Compare commits

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146 Commits
Author SHA1 Message Date
yolain 1616dd6602 Upgrade v1.3.1 to ComfyRegistry 2025-06-29 11:43:22 +08:00
yolain 282eedfea6 Rewrite drawNodeWidget and fix the GroupNode preview issue 2025-06-28 18:37:56 +08:00
yolain 17b163e234 Fix typo in EN tooltip for Nodes Map sidebar icon #816 2025-06-26 16:43:19 +08:00
Laegel 501d97bb5c chore: Now able to store metadata in ImageChooser (#813) 2025-06-23 16:22:23 +08:00
WathomeBo de92038f88 Update util.py (#809)
补充了用于选择lora模型的 setLoraName
2025-06-17 12:19:42 +08:00
Thomas Ward 530333d72d Update logic.py: properly handle overwrite mode (#807)
In low-level `OPEN` logic at the system, there are two modes of opening files for writing: `WRITE` which clobbers existing file data, and `APPEND` which allows appending of data.

In the current code, using `if not overwrite: pass` does nothing to define if you're actually appending or overwriting the file in your selection, and instead you should define the file open mode based on analysis of whether you have `overwrite` set to True or not.

This code patch does this.

(discovered as a result of helping someone via the ComfyUI discord)
2025-06-17 12:19:27 +08:00
yolain 041f49540c Forced override of drawNodeWidget for nodes containing hidden widget on the official theme #801 2025-06-14 14:22:54 +08:00
MakinoHaruka 71c7865d2d locale typo (#797) 2025-06-05 10:55:11 +08:00
yolain c7fbf05970 Implement error handling for all frontend hijack attempts. If EasyUse fails (e.g., due to official frontend changes), fall back to the native callback function. 2025-06-04 23:28:45 +08:00
yolain 2986a01469 When using the easy theme to draw node components, the draw method removed from front-end v1.21.3 is supplemented #793 2025-06-03 13:27:18 +08:00
yolain fa7c5d8b4d Fix ImagePreviewWidget can not display image in v1.21.3 frontend 2025-06-01 15:35:52 +08:00
Mike KinneyandMike Kinney 1d8db7510b Update XY Plot Labels (#792)
* Add lora weight to XY title axis. Trim lora desc.

* Add weights to lora names in xyPlots. Re-add because original lost in git merge mistake.

* Only add common label, if it's not an axis type.

* Remove bad comment.

---------

Co-authored-by: Mike Kinney <mike.kinney@valorepartners.com>
2025-06-01 13:15:55 +08:00
yolain 7ef0612ce7 Fix stepping changes not working in new front-end versions #789 2025-05-27 18:04:15 +08:00
yolain 7ff4790493 Fix update node height only if the node is preSamplingcustom listening for scheduler changes #788 2025-05-27 12:26:39 +08:00
yolain 640ef31625 Fix uniform width didn't work when sizes were inconsistent 2025-05-26 13:24:09 +08:00
yolain e4ac947d96 Fix precision issues with nodes related to float numbers #779 2025-05-22 11:06:52 +08:00
yolain d287e28e5c Fix fluxLoader using widget options instead of getting ckpt_names globally #772 2025-05-19 12:42:36 +08:00
yolain f33c17f762 Fix fluxLoader duplicate fetching of node information #772 2025-05-19 11:02:56 +08:00
yolain e07b8cc7bf Fix widgets being hidden in connections 2025-05-18 13:34:42 +08:00
yolain 6abe07bb79 Merge pull request #766 from mekinney/bugfix-xyplot-optional-lora
Use previously generated model/clip for next loaded lora
2025-05-15 16:27:31 +08:00
Mike Kinney 7fbd03bda7 Merge branch 'main' into bugfix-xyplot-optional-lora 2025-05-14 07:20:08 -07:00
Mike Kinney 9cc2ac02da Use previously generated model/clip for next loaded lora 2025-05-14 06:27:36 -07:00
Mike Kinney 2f2a3035a2 Merge pull request #3 from mekinney/bug-xyplot-save-model-and-clip-when-processing-lora-stack-in-xyplot
Update clip and model when adding loras
2025-05-13 16:52:23 -07:00
Mike Kinney 5d8f0a3b0a Update clip and model when adding loras 2025-05-13 16:49:49 -07:00
Mike Kinney 8aadd72494 Merge pull request #2 from mekinney/Change-Load-LORA-formatting-to-2-digits
Updated formatting for load lora for strength displays to 3 digits
2025-05-13 07:05:24 -07:00
Mike Kinney fceec754a4 Updated formatting for load lora for strength displays to 3 digits 2025-05-13 07:03:59 -07:00
Mike Kinney 419b7c985c Merge pull request #1 from mekinney/XYPlot-Footer
Add core XYPlot Footer
2025-05-13 06:51:23 -07:00
Mike Kinney ce62fc73da Add core XYPlot Footer 2025-05-13 06:35:45 -07:00
yolain 4f31641da3 Adding text truncation to widgets of type text 2025-05-13 12:35:31 +08:00
yolain deec62ab76 Set the minimum height of the initial display when imageChooser is paused. #755 2025-05-12 11:43:44 +08:00
yolain 5c8cdb58c7 Add easy seedList node (It's useful for in loops) 2025-05-11 00:43:27 +08:00
yolain d820842e39 Upgrade v1.3.0 to ComfyRegistry 2025-05-10 00:02:13 +08:00
yolain 2f78a523b3 Fix easy imageConcat match image size bug 2025-05-10 00:01:03 +08:00
yolain b2a8666423 Fix easy humanSegmentation not being selected 2025-05-09 16:10:33 +08:00
yolain 2c02a471d0 Fix latest commit #758 2025-05-09 07:46:20 +08:00
yolain ea521e0303 Set loop nodes maximum number of inputs or outputs to 20 2025-05-09 00:50:13 +08:00
yolain 9b5daac023 Fix cannot redefine property: value 2025-05-08 15:17:56 +08:00
yolain 0de83f88dc Force default web version to v2 2025-05-06 16:15:06 +08:00
yolain 342ce8ccad Fix last commit 2025-05-06 14:04:42 +08:00
yolain b7881d84b1 Add uniform width method to easy makeImageForICLora 2025-05-06 14:01:11 +08:00
yolain 0f5ad38384 Add apikey_override to easy joycaption2API 2025-05-06 12:56:07 +08:00
yolain a3f487c822 Merge pull request #752 from yolain/wildcardsPromptMatrix
Add output_limit to `easy wildcardsMatrix`
2025-04-30 18:03:08 +08:00
yolain d0f496adc1 Add output_limit to easy wildcardsMatrix 2025-04-30 18:01:14 +08:00
yolain 665861ff35 Merge wildcardsPromptMatrix Node from Rosmeowtis/main 2025-04-29 12:09:00 +08:00
yolain 61568e021c Update wildcardsPromptMatrix Node #743 2025-04-29 12:03:54 +08:00
yolain a2edc37d89 Merge pull request #743 from Rosmeowtis/main
Add wildcardsPromptMatrix Node
2025-04-29 11:37:02 +08:00
yolain 1c4cb43f7b Fix line are removed at the end of a connection on easy related nodes #748 2025-04-28 19:11:42 +08:00
yolain 66143b0e20 Merge pull request #746 from Hapseleg/Pipe-info-fix
missing vars
2025-04-27 11:03:03 +08:00
Hapseleg f0da5e25c9 missing vars 2025-04-26 20:03:18 +02:00
rosmeowtis ebf25b585f update descriptions to conform to reality 2025-04-25 18:10:35 +08:00
rosmeowtis fb8968d438 wildcardsPromptMatrix node will treat offset in cycle 2025-04-25 18:06:07 +08:00
rosmeowtis 15cfeedf7b Add wildcardsPromptMatrix Node:
1. wildcard-replaced prompt will be returned in order rather than randomly
2. will return the amount of probilities and amount of probilities each option or wildcard
3. the prompt can be selected by offset argument, the order of probilities is fixed
4. even if the offset exceeds the total, it will not stop, but will always return to the last probility, requiring additional nodes to control.
2025-04-25 03:07:49 +08:00
yolain 50ae13a993 Fix hidden item judgment needs to be delayed when first loading the page #741 2025-04-24 14:36:56 +08:00
yolain aedf917067 Remove getModelsThumbnail API #702 2025-04-22 13:48:14 +08:00
yolain 69ac5e52a0 EasyUse still works when layerDiffuse-related diffusers error 2025-04-21 19:56:17 +08:00
yolain 368f7e508d EasyUse still works when brushnet-related diffusers error 2025-04-21 11:00:38 +08:00
yolain 44f0676323 Fix an issue where some widgets' associated input sockets fail to display in the new release #734 2025-04-16 22:21:20 +08:00
yolain 98273b37f2 Fix Easy KSamplers preview&choose bug #733 2025-04-16 18:39:28 +08:00
yolain eff718c13f Upgrade v1.2.9 to ComfyRegistry 2025-04-15 14:20:58 +08:00
yolain 615a2abcfe Fix ImageChooser causes workflow processing to cancel #732 2025-04-15 13:28:53 +08:00
yolain 2b4b38ce03 Fix brushnet tensor(640) error 2025-04-13 02:11:55 +08:00
yolain dbbd2ffef3 Fix missing output optional_clip when Apply Lora Stack is disabled #729 2025-04-13 01:50:34 +08:00
yolain b1a875b151 Fix last commit bug 2025-04-08 00:59:38 +08:00
yolain 6a39ea1188 Fix widgets not hidden in v1.6.0 frontend 2025-04-08 00:49:37 +08:00
yolain 69aac075e8 Compatible drawNodeShape with stable front-end version 2025-04-06 15:53:48 +08:00
yolain e1dc9250b9 Fix missing strokeStyle on nodes during restart resulting in misconnections. 2025-04-06 15:46:59 +08:00
yolain 8b9c577f55 Fix outer border color should be red when node doesn't exist 2025-04-06 13:31:48 +08:00
yolain 6d8c266b04 Fix missing progressBar in latest frontend version 2025-04-06 12:48:41 +08:00
yolain 9292f22862 Removed global changes to the control widget, ComfyUI frontend was fixed this issue #714 2025-03-30 12:59:50 +08:00
yolain 10e9629ca3 Fix the context menu to miss Add Reroute #713 2025-03-29 07:23:35 +08:00
yolain 4f694195a2 Fix samplers can't display output image 2025-03-27 15:22:02 +08:00
yolain ff6c0f0e39 Fix image chooser can not select images #706 2025-03-26 11:37:42 +08:00
yolain a6e8783605 Fix save image simple doesn't show preview #708 2025-03-26 10:39:26 +08:00
yolain 3e84b8cd77 Fix contextMenu monkey patching to affect custom scripts (pysssss) nodes 2025-03-17 09:36:49 +08:00
yolain 9e70cc0090 Merge pull request #697 from Naix2012/main
Update prompt.py
2025-03-16 12:02:43 +08:00
Naix2012 7dddd2d6e5 Update prompt.py 2025-03-16 01:16:43 +08:00
yolain 63a1ca5ec6 Merge pull request #693 from ComfyNodePRs/update-publish-yaml
Update Github Action for Publishing to Comfy Registry
2025-03-14 15:06:39 +08:00
yolain 0104f7f6a9 Upgrade v1.2.8 to ComfyRegistry 2025-03-10 11:10:54 +08:00
yolain 6b1f5cbf69 Modify some front-end style displays 2025-03-10 11:01:58 +08:00
yolain f888e3d75d Merge pull request #685 from facok/main
fix: wildcards, improve text encoding handling to prevent Chinese character garb…
2025-03-08 15:31:49 +08:00
facok 16631d21d9 fix: improve text encoding handling to prevent Chinese character garbling
ISO-8859-1 encoding can forcibly read any byte (it maps each byte directly to its corresponding character). This means it won't throw any decoding errors, but it will incorrectly interpret UTF-8 encoded Chinese characters as other characters, resulting in garbled text (mojibake).
ISO-8859-1编码可以强制读取任何字节(它会把每个字节都映射到对应的字符)
这意味着它不会抛出解码错误,但会把UTF-8编码的中文字符错误解释为其他字符
导致中文显示为乱码
2025-03-07 17:39:53 +08:00
yolain ccb4ba08fc Fix the issue that the output images does not replace the preview images after the kSamplers has finished sampling due to ComfyUI Frontend adjustment 2025-03-06 15:42:49 +08:00
yolain 0daf114fe8 Add refine_foreground for ben2 2025-02-24 14:41:22 +08:00
yolain 4e9c9c897c Fix ben2 using the wrong model 2025-02-24 14:24:32 +08:00
yolain 31fde1ae34 Add locale files 2025-02-23 15:08:17 +08:00
yolain aadbb0b389 Fix human segmentation not working in latest ComfyUI-frontend #668 2025-02-20 12:38:44 +08:00
yolain 52a8e7faf3 Fix some chinese translation errors 2025-02-18 22:55:30 +08:00
yolain 3893873085 Fix stylesSelector unable to get selections in ComfyUI_frontend latest version #658 2025-02-14 12:43:36 +08:00
yolain 037080ac39 Add option None to ckpt_name of easy fullLoader and easy fluxLoader #652. 2025-02-13 18:09:40 +08:00
yolain 4738313b64 Fix encodeURIComponent URI malformed when special characters appear in the model name 2025-02-12 13:05:43 +08:00
yolain e842c3bd06 Merge pull request #657 from newideas99/fix-clip-vision-urls
Fix CLIP vision model URLs and improve download error handling
2025-02-11 11:53:13 +08:00
newideas99 fa73da5a00 Update version to 1.2.8 2025-02-10 22:21:55 -05:00
Jacob Ferrari ffe26e8571 Fix CLIP vision model URLs and improve download error handling
- Update CLIP vision model URLs for IPAdapter and DynamiCrafter
- Improve error handling for model downloads with clearer error messages
- Add changelog entry for v1.2.8
2025-02-11 02:14:27 +00:00
yolain 123917da9a Upgrade v1.2.7 to ComfyRegistry 2025-02-10 17:57:35 +08:00
yolain d4fb74df19 Fix cannot import name 'applyKolorsUnet'#655 2025-02-09 19:31:29 +08:00
yolain 3175716585 Fix xyplot affect all pipe #649 2025-02-08 16:03:38 +08:00
yolain bc19ed63fc Fix some bug 2025-02-08 15:51:47 +08:00
yolain 6cfb0585da Add missing nodes widgets and modify nodes map tree 2025-02-08 14:14:20 +08:00
yolain daf10e96f8 Optimize recursive tree fetching of node maps 2025-02-07 19:54:35 +08:00
yolain 94882b7da7 Fix bug when nodes missing 2025-02-07 19:10:50 +08:00
yolain 0b64d4c297 Update nodes map to support search by node id #648 from yolain/Nodes-Map-250207
Merge pull request
2025-02-07 14:15:41 +08:00
yolain 7bacb16c89 Update Nodes map 2025-02-07 13:56:29 +08:00
yolain 45d5c08bbb Supplementary Chinese translation 2025-02-05 22:22:15 +08:00
yolain 7866b053a3 Add localized directories to support Chinese 2025-02-05 17:54:42 +08:00
yolain 68c96e0a2e Update part of litegraph code to support hidden advanced widget #645 2025-02-05 11:21:08 +08:00
yolain 862cde4bcd Fix Model Thumbnails Residue 2025-02-04 19:50:54 +08:00
yolain ca1fa507d0 Fix Node color mismatch 2025-02-04 19:09:57 +08:00
yolain b05af806d7 Add remove_background model to cache 2025-02-04 16:55:30 +08:00
yolain 1bf3b2d7a4 Add ben2 on easy imageRemBg 2025-02-04 16:32:16 +08:00
yolain 756f60a01a Fix bizyair bug 2025-02-04 16:16:50 +08:00
yolain 06ed9f33a3 Add peft to requirements.txt and repair_dependency_list.txt 2025-02-04 15:31:26 +08:00
yolain 9ad997ccab Modify some third-party API request nodes and add joyCaption2 BizyAIR node 2025-02-04 15:11:31 +08:00
yolain bd149ca8de Set sd3_api to deprecated 2025-02-04 12:51:29 +08:00
yolain 01ab8f4ac2 Renamed api.py to routes.py 2025-02-04 12:32:51 +08:00
yolain 48d06c4485 Fix indexAnything not working in the loop in the last commit. 2025-02-03 15:38:18 +08:00
yolain 05b9182196 Fix lengthAnything and indexAnything to support list type 2025-02-03 14:36:19 +08:00
yolain 991a62fc51 Merge pull request #638 from anton-averich/patch-1
fix: requirements.txt
2025-02-02 19:39:49 +08:00
yolain 46f0126339 Merge pull request #639 from yolain/modify_the_dir
Fix human segmentation bug
2025-02-02 19:37:52 +08:00
yolain f961596092 Fix human segmentation bug 2025-02-02 19:36:09 +08:00
Anton Averich a157b55835 fix: requirements.txt
Add missing matplotlib (macOS)
2025-01-31 14:53:53 +01:00
yolain 2b160cc789 Merge pull request #636 from yolain/modify_the_dir
Fix issue caused by IDE automated patching of some paths #635
2025-01-31 11:15:14 +08:00
yolain 4d9f791cf7 Fix issue caused by IDE automated patching of some paths #635 2025-01-31 11:14:07 +08:00
yolain 3515268de5 Merge pull request #632 from yolain/modify_the_dir
Changes in files structure
2025-01-30 14:08:03 +08:00
yolain a80845f641 Update litegraph 2025-01-27 01:50:45 +08:00
yolain 39fa6ef37a Changes in document structure 2025-01-26 18:12:06 +08:00
yolain 7a65c2f5d7 Fix easy loadImagesForLoop issue when converting any widgets to inputs #627 2025-01-24 20:43:07 +08:00
yolain 65937a75eb Updated easy prompt 2025-01-21 23:52:41 +08:00
snomiao 17e022a7aa chore(publish): update GitHub Actions workflow for node publishing
- Add permissions for issue writing
- Update action version to v1 for publish-node-action
- Add condition to run job only for 'yolain' repository owner
2025-01-20 21:28:03 +00:00
yolain 138fb519e7 Fix fullLoader connect vae_override bug 2025-01-20 18:30:35 +08:00
yolain fec464b015 Model Thumbnail Improvement: Cache the image when moved into the model_name #409 2025-01-20 13:49:39 +08:00
yolain 9b9c1b3cc7 Update Readme 2025-01-19 13:05:30 +08:00
yolain 17379c5156 Fix show Loader settings names 2025-01-18 19:11:41 +08:00
yolain 4eb433281c Removed dynamiCrafter and set some obsolete nodes to deprecated 2025-01-18 00:23:28 +08:00
yolain e17a81d335 Force hide model thumbnails when moving to canvas 2025-01-17 23:48:57 +08:00
yolain 68a286ae4a Fix models thumbnails brightness 2025-01-17 23:04:50 +08:00
yolain 60fb13e068 New ways to display models thumbnails : Merge #622 from yolain/models-thumbnails
Support diffusion_models(unet), checkpoints, loras
2025-01-17 22:49:42 +08:00
yolain f52dd53ed0 Fix the bug that no subcategory path can be displayed when nested subdirectories are used. 2025-01-17 22:42:25 +08:00
yolain 2aae0affd2 Fix some bug 2025-01-17 22:30:57 +08:00
yolain 765462549c New way to display models thumbnail preview images 2025-01-17 22:17:56 +08:00
yolain bf21bbfd93 Fix easy fluxLoader not caching models 2025-01-16 12:30:31 +08:00
yolain 3700d010ba Fix last commit bug 2025-01-16 12:14:26 +08:00
yolain 286e6ba336 Fix modifying ckpt_name and vae_name to default values when override connections are made #619 2025-01-16 11:56:24 +08:00
yolain 3a8fcbbcb9 Fix lora not used in xyplot simple when plotting positive prompt #613 2025-01-14 12:47:02 +08:00
yolain 570ea601ce Fix Chinese display in easy styleSelector #617 and add prompt preview popup for custom styles #506. 2025-01-14 11:56:29 +08:00
yolain be8306b17a Merge pull request #611 from t00350320/main
HumanParsing add 'CUDAExecutionProvider'
2025-01-11 02:17:15 +08:00
t00350320 5ec744927b HumanParsing add 'CUDAExecutionProvider' 2025-01-10 16:05:00 +08:00
148 changed files with 25508 additions and 16322 deletions
+6 -2
View File
@@ -7,15 +7,19 @@ on:
paths:
- "pyproject.toml"
permissions:
issues: write
jobs:
publish-node:
name: Publish Custom Node to registry
runs-on: ubuntu-latest
if: ${{ github.repository_owner == 'yolain' }}
steps:
- name: Check out code
uses: actions/checkout@v4
- name: Publish Custom Node
uses: Comfy-Org/publish-node-action@main
uses: Comfy-Org/publish-node-action@v1
with:
## Add your own personal access token to your Github Repository secrets and reference it here.
personal_access_token: ${{ secrets.REGISTRY_ACCESS_TOKEN }}
personal_access_token: ${{ secrets.REGISTRY_ACCESS_TOKEN }}
+4 -1
View File
@@ -15,4 +15,7 @@ docs/**
.idea/
mmb-preset.custom.txt
config.yaml
node.tar.gz
node.tar.gz
.cursorrules
tools/ComfyUI-Easy-Use.json
+46 -9
View File
@@ -2,7 +2,7 @@
<div align="center">
<a href="https://space.bilibili.com/1840885116">视频介绍</a> |
文档 (康明孙) |
<a href="https://docs.easyuse.yolain.com">文档</a> |
<a href="https://github.com/yolain/ComfyUI-Yolain-Workflows">工作流合集</a> |
<a href="#%EF%B8%8F-donation">捐助</a>
<br><br>
@@ -52,6 +52,32 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
## 📜 更新日志
**v1.3.0**
- 将循环节点设置为最大输入和输出数量为20
- 添加 `uniform width` 方式到 `easy makeImageForICLora`
- 增加 `wildcardsPromptMatrix` 通配符提示词矩阵,由 [Rosmeowtis](https://github.com/Rosmeowtis) 贡献
**v1.2.9**
- 修复 Imagechooser 会导致工作流处理取消
- 修复 brushnet tensor(640) 错误
- 修复v1.6.0前端之后无法隐藏小部件的bug
- 修复图像选择器无法选择图像
- 修复ContextMenu Monkey修补以影响自定义脚本(PYSSSS)节点
**v1.2.8**
- 修复了一些BUG (😹)
- 增加了多语言目录
**v1.2.7**
- 优化管理节点组显示
- 在 `easy imageRemBg` 上添加 `ben2`
- 添加 joyCaption2 API版节点( https://github.com/siliconflow/BizyAir )
- 使用一种新的方式在 loader 中显示模型缩略图(支持 diffusion_models、lors、checkpoints)
**v1.2.6**
- 修复了在缺少自定义节点时缺少 “红色框框” 样式的问题。
@@ -151,7 +177,8 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
- 增加 `easy imageCount` - 图像数量
- 增加 `easy textSwitch` - 文字切换
**v1.1.5**
<details>
<summary><b>v1.1.5</b></summary>
- 重写 `easy cleanGPUUsed` - 可强制清理comfyUI的模型显存占用
- 增加 `easy humanSegmentation` - 多类分割、人像分割
@@ -160,8 +187,10 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
- 增加 `easy ipadapterApplyFromParams`
- 增加 `easy imageInterrogator` - 图像反推
- 增加 `easy stableDiffusion3API` - 简易的Stable Diffusion 3 多账号API节点
</details>
**v1.1.4**
<details>
<summary><b>v1.1.4</b></summary>
- 增加 `easy imageChooser` - 从[cg-image-picker](https://github.com/chrisgoringe/cg-image-picker)简化的图片选择器
- 增加 `easy preSamplingCustom` - 自定义预采样,可支持cosXL-edit
@@ -169,8 +198,10 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
- 增加 在Loaders上右键菜单可查看 checkpoints、lora 信息
- 修复 `easy preSamplingNoiseIn`、`easy latentNoisy`、`east Unsampler` 以兼容ComfyUI Revision>=2098 [0542088e] 以上版本
- 修复 FooocusInpaint修改ModelPatcher计算权重引发的问题,理应在生成model后重置ModelPatcher为默认值
</details>
**v1.1.3**
<details>
<summary><b>v1.1.3</b></summary>
- `easy ipadapterApply` 增加 **COMPOSITION** 预置项
- 增加 对[ResAdapter](https://huggingface.co/jiaxiangc/res-adapter) lora模型 的加载支持
@@ -179,6 +210,7 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
- 增加 `easy promptConcat`
- `easy wildcards` 增加 **multiline_mode**属性
- 增加 当节点需要下载模型时,若huggingface连接超时,会切换至镜像地址下载模型
</details>
<details>
<summary><b>v1.1.2</b></summary>
@@ -199,7 +231,7 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
</details>
<details>
<summary><b>v1.1.1/b></summary>
<summary><b>v1.1.1</b></summary>
- 修复首次添加含seed的节点且当前模式为control_before_generate时,seed为0的问题
- `easy preSamplingAdvanced` 增加 **return_with_leftover_noise**
@@ -472,18 +504,23 @@ git clone https://github.com/yolain/ComfyUI-Easy-Use
[ComfyUI_ExtraModels](https://github.com/city96/ComfyUI_ExtraModels) - DiT架构相关节点(Pixart、混元DiT等)
## ☕️ Donation
## 免责声明
本开源项目及其内容按 “原样 ”提供,不作任何明示或暗示的保证,包括但不限于适销性、特定用途适用性和非侵权保证。在任何情况下,作者或其他版权所有者均不对因本软件或本软件的使用或其他交易而产生、引起或与之相关的任何索赔、损害或其他责任承担责任,无论是合同诉讼、侵权诉讼还是其他诉讼。
用户应自行负责确保在使用本软件或发布由本软件生成的内容时,遵守所在司法管辖区的所有适用法律和法规。作者和版权所有者不对用户在其各自所在地违反法律或法规的行为负责。
## ☕️ 投喂
**Comfyui-Easy-Use** 是一个 GPL 许可的开源项目。为了项目取得更好、可持续的发展,我希望能够获得更多的支持。 如果我的自定义节点为您的一天增添了价值,请考虑喝杯咖啡来进一步补充能量! 💖感谢您的支持,每一杯咖啡都是我创作的动力!
- [BiliBili充电](https://space.bilibili.com/1840885116)
- [爱发电](https://afdian.com/a/yolain)
- [Wechat/Alipay](https://github.com/user-attachments/assets/803469bd-ed6a-4fab-932d-50e5088a2d03)
感谢您的捐助,我将用这些费用来租用 GPU 或购买其他 GPT 服务,以便更好地调试和完善 ComfyUI-Easy-Use 功能
## 🌟Stargazers
## 🌟大富大贵的人儿
My gratitude extends to the generous souls who bestow a star. Your support is much appreciated!
我对那些慷慨的赐予一颗星的人表示感谢。非常感谢您的支持!
[![Stargazers repo roster for @yolain/ComfyUI-Easy-Use](https://reporoster.com/stars/yolain/ComfyUI-Easy-Use)](https://github.com/yolain/ComfyUI-Easy-Use/stargazers)
+49 -13
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@@ -2,7 +2,7 @@
<div align="center">
<a href="https://space.bilibili.com/1840885116">Video Tutorial</a> |
Docs (Cooming Soon) |
<a href="https://docs.easyuse.yolain.com">Docs</a> |
<a href="https://github.com/yolain/ComfyUI-Yolain-Workflows">Workflow Collection</a> |
<a href="#%EF%B8%8F-donation">Donation</a>
<br><br>
@@ -47,6 +47,38 @@ Double-click install.bat to install the required dependencies
## 📜 Changelog
**v1.3.1**
- Rewrite drawNodeWidget and fix the GroupNode preview issue.
- Updated some features of XYPlot by [mekinney](https://github.com/mekinney)
- Add `easy seedList` node (It's useful for in loops)
**v1.3.0**
- Set loop nodes maximum number of inputs and outputs to 20
- Add `uniform width` method to `easy makeImageForICLora`
- Add `wildcardsPromptMatrix` Node by [Rosmeowtis](https://github.com/Rosmeowtis)
**v1.2.9**
- Fix ImageChooser causes workflow processing to cancel
- Fix brushnet tensor(640) error
- Fix widgets not hidden after v1.6.0 frontend
- Fix image chooser can not select images
- Fix contextMenu monkey patching to affect custom scripts (pysssss) nodes
**v1.2.8**
- Added the multi-language catalog
- Fix CLIP vision model download URLs for IPAdapter and DynamiCrafter
- Improve error handling for model downloads with clearer error messages and better handling of download failures
**v1.2.7**
- Optimize display of the node maps
- Added `ben2` on `easy imageRemBg`
- Using a new way to display the models thumbnails in the loaders (supported diffusion_models、lors、checkpoints)
**v1.2.6**
- Fix missing the "Red Rect" styles when you are missing custom nodes.
@@ -141,7 +173,8 @@ Double-click install.bat to install the required dependencies
- Added `easy imageCount` - Get Image Count
- Added `easy textSwitch` - Text Switch
**v1.1.5**
<details>
<summary><b>v1.1.5</b></summary>
- Rewrite `easy cleanGPUUsed` - the memory usage of the comfyUI can to be cleared
- Added `easy humanSegmentation` - Human Part Segmentation
@@ -150,16 +183,19 @@ Double-click install.bat to install the required dependencies
- Added `easy ipadapterApplyFromParams`
- Added `easy imageInterrogator` - Image To Prompt
- Added `easy stableDiffusion3API` - Easy Stable Diffusion 3 Multiple accounts API Node
</details>
**v1.1.4**
<details>
<summary><b>v1.1.4</b></summary>
- Added `easy preSamplingCustom` - Custom-PreSampling, can be supported cosXL-edit
- Added `easy ipadapterStyleComposition`
- Added the right-click menu to view checkpoints and lora information in all Loaders
- Fixed `easy preSamplingNoiseIn`、`easy latentNoisy`、`east Unsampler` compatible with ComfyUI Revision>=2098 [0542088e] or later
</details>
**v1.1.3**
<details>
<summary><b>v1.1.3</b></summary>
- `easy ipadapterApply` Added **COMPOSITION** preset
- Supported [ResAdapter](https://huggingface.co/jiaxiangc/res-adapter) when load ResAdapter lora
@@ -167,6 +203,7 @@ Double-click install.bat to install the required dependencies
- Added `easy promptReplace`
- Added `easy promptConcat`
- `easy wildcards` Added **multiline_mode**
</details>
<details>
<summary><b>v1.1.2</b></summary>
@@ -325,7 +362,6 @@ Double-click install.bat to install the required dependencies
- `easy XYInputs ModelMergeBlocks` Values can be imported from CSV files
- Fixed `easy pipeToBasicPipe` Bug
- Removed `easy imageRemBg`
- Remove the introductory diagram and workflow files from the package to reduce the package size
- Replaced the font file used in the generation of XY diagrams
@@ -456,6 +492,12 @@ Disclaimer: Opened source was not easy. I have a lot of respect for the contribu
[ComfyUI_ExtraModels](https://github.com/city96/ComfyUI_ExtraModels) - DiT custom nodes
## Disclaimer
This software is provided “as is,” without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, and non-infringement. In no event shall the authors or copyright holders be liable for any claim, damages, or other liability, whether in an action of contract, tort, or otherwise, arising from, out of, or in connection with the software or the use or other dealings in the software.
Users are solely responsible for ensuring that their use of this software complies with all applicable laws and regulations in the jurisdiction where they use the software or publish content generated by it. The authors and copyright holders are not responsible for any violations of laws or regulations by users in their respective locations.
## ☕️ Donation
**Comfyui-Easy-Use** is an GPL-licensed open source project. In order to achieve better and sustainable development of the project, i expect to gain more backers. <br>
@@ -463,16 +505,10 @@ If my custom nodes has added value to your day, consider indulging in a coffee t
💖You can support me in any of the following ways:
- [BiliBili](https://space.bilibili.com/1840885116)
- [Afdian](https://afdian.com/a/yolain)
- [Wechat / Alipay](https://github.com/user-attachments/assets/803469bd-ed6a-4fab-932d-50e5088a2d03)
- 🪙 Wallet Address:
- ETH: 0x01f7CEd3245CaB3891A0ec8f528178db352EaC74
- USDT(tron): TP3AnJXkAzfebL2GKmFAvQvXgsxzivweV6
(This is a newly created wallet, and if it receives sponsorship, I'll use it to rent GPUs or other GPT services for better debugging and refinement of ComfyUI-Easy-Use features.)
## 🌟Stargazers
My gratitude extends to the generous souls who bestow a star. Your support is much appreciated!
[![Stargazers repo roster for @yolain/ComfyUI-Easy-Use](https://reporoster.com/stars/yolain/ComfyUI-Easy-Use)](https://github.com/yolain/ComfyUI-Easy-Use/stargazers)
[![Stargazers repo roster for @yolain/ComfyUI-Easy-Use](https://reporoster.com/stars/yolain/ComfyUI-Easy-Use)](https://github.com/yolain/ComfyUI-Easy-Use/stargazers)
+11 -30
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@@ -1,30 +1,26 @@
__version__ = "1.2.6"
__version__ = "1.3.1"
import yaml
import json
import os
import folder_paths
import importlib
from pathlib import Path
node_list = [
"server",
"api",
"easyNodes",
"image",
"logic"
]
cwd_path = os.path.dirname(os.path.realpath(__file__))
comfy_path = folder_paths.base_path
NODE_CLASS_MAPPINGS = {}
NODE_DISPLAY_NAME_MAPPINGS = {}
for module_name in node_list:
imported_module = importlib.import_module(".py.{}".format(module_name), __name__)
importlib.import_module('.py.routes', __name__)
importlib.import_module('.py.server', __name__)
nodes_list = ["util", "seed", "prompt", "loaders", "adapter", "inpaint", "preSampling", "samplers", "fix", "pipe", "xyplot", "image", "logic", "api", "deprecated"]
# locale = {}
for module_name in nodes_list:
imported_module = importlib.import_module(".py.nodes.{}".format(module_name), __name__)
NODE_CLASS_MAPPINGS = {**NODE_CLASS_MAPPINGS, **imported_module.NODE_CLASS_MAPPINGS}
NODE_DISPLAY_NAME_MAPPINGS = {**NODE_DISPLAY_NAME_MAPPINGS, **imported_module.NODE_DISPLAY_NAME_MAPPINGS}
cwd_path = os.path.dirname(os.path.realpath(__file__))
comfy_path = folder_paths.base_path
#Wildcards
from .py.libs.wildcards import read_wildcard_dict
wildcards_path = os.path.join(os.path.dirname(__file__), "wildcards")
@@ -66,22 +62,7 @@ if not os.path.exists(example_path):
json.dump(data, f, indent=4, ensure_ascii=False)
# Model thumbnails
from .py.libs.add_resources import add_static_resource
from .py.libs.model import easyModelManager
model_config = easyModelManager().models_config
for model in model_config:
paths = folder_paths.get_folder_paths(model)
for path in paths:
if not Path(path).exists():
continue
add_static_resource(path, path, limit=True)
# get comfyui revision
from .py.libs.utils import compare_revision
new_frontend_revision = 2546
web_default_version = 'v2' if compare_revision(new_frontend_revision) else 'v1'
web_default_version = 'v2'
# web directory
config_path = os.path.join(cwd_path, "config.yaml")
if os.path.isfile(config_path):
+30
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@@ -0,0 +1,30 @@
{
"settingsCategories": {
"Hotkeys": "Hotkeys",
"Nodes": "Nodes",
"NodesMap": "NodesMap"
},
"nodeCategories": {
"Util": "Util",
"Seed": "Seed",
"Prompt": "Prompt",
"Loaders": "Loaders",
"Adapter": "Adapter",
"Inpaint": "Inpaint",
"PreSampling": "PreSampling",
"Sampler": "Sampler",
"Fix": "Fix",
"Pipe": "Pipe",
"XY Inputs": "XY Inputs",
"Image": "Image",
"Segmentation": "Segmentation",
"\uD83D\uDEAB Deprecated": "\uD83D\uDEAB Deprecated",
"Type": "Type",
"Math": "Math",
"Switch": "Switch",
"Index Switch": "Index Switch",
"While Loop": "While Loop",
"For Loop": "For Loop",
"LoadImage": "Load Image"
}
}
File diff suppressed because it is too large Load Diff
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@@ -0,0 +1,67 @@
{
"EasyUse_Hotkeys_AddGroup": {
"name": "Enable Shift+g to add the selected nodes to a group",
"tooltip": "From v1.2.39, you can use Ctrl+g instead"
},
"EasyUse_Hotkeys_cleanVRAMUsed": {
"name": "Enable Shift+r to unload model and node cache"
},
"EasyUse_Hotkeys_toggleNodesMap": {
"name": "Enable Shift+m to toggle nodes map"
},
"EasyUse_Hotkeys_AlignSelectedNodes": {
"name": "Enable Shift+Up/Down/Left/Right and Shift+Ctrl+Alt+Left/Right to align selected nodes",
"tooltip": "Shift+Up/Down/Left/Right can align selected nodes, Shift+Ctrl+Alt+Left/Right can distribute nodes horizontally/vertically"
},
"EasyUse_Hotkeys_NormalizeSelectedNodes": {
"name": "Enable Shift+Ctrl+Left/Right to normalize selected nodes",
"tooltip": "Enable Shift+Ctrl+Left to normalize width and Shift+Ctrl+Right to normalize height"
},
"EasyUse_Hotkeys_NodesTemplate": {
"name": "Enable Alt+1~9 to paste node templates into the workflow"
},
"EasyUse_Hotkeys_JumpNearestNodes": {
"name": "Enable Up/Down/Left/Right to jump to the nearest node"
},
"EasyUse_ContextMenu_SubDirectories": {
"name": "Enable automatic nesting of subdirectories in the context menu"
},
"EasyUse_ContextMenu_ModelsThumbnails": {
"name": "Enable model preview thumbnails"
},
"EasyUse_ContextMenu_NodesSort": {
"name": "Enable A~Z sorting of new nodes in the context menu"
},
"EasyUse_ContextMenu_QuickOptions": {
"name": "Use three quick buttons in the context menu",
"options": {
"At the forefront": "At the forefront",
"At the end": "At the end",
"Disable": "Disable"
}
},
"EasyUse_Nodes_Runtime": {
"name": "Enable node runtime display"
},
"EasyUse_Nodes_ChainGetSet": {
"name": "Enable chaining of get and set points with the parent node"
},
"EasyUse_NodesMap_Sorting": {
"name": "Manage nodes group sorting mode",
"tooltip": "Automatically sort by default. If set to manual, groups can be drag and dropped and the order will be saved.",
"options": {
"Auto sorting": "Auto sorting",
"Manual drag&drop sorting": "Manual drag&drop sorting"
}
},
"EasyUse_NodesMap_DisplayNodeID": {
"name": "Enable node ID display"
},
"EasyUse_NodesMap_DisplayGroupOnly": {
"name": "Show groups only"
},
"EasyUse_NodesMap_Enable": {
"name": "Enable Group Map",
"tooltip": "You need to refresh the page to update successfully"
}
}
+30
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@@ -0,0 +1,30 @@
{
"settingsCategories": {
"Hotkeys": "Raccourcis",
"Nodes": "Nœuds",
"NodesMap": "Carte des nœuds"
},
"nodeCategories": {
"Util": "Utilitaire",
"Seed": "Graine",
"Prompt": "Prompt",
"Loaders": "Chargeurs",
"Adapter": "Adaptateur",
"Inpaint": "Retouche",
"PreSampling": "Pré-échantillonnage",
"Sampler": "Échantillonneur",
"Fix": "Correction",
"Pipe": "Pipeline",
"XY Inputs": "Entrées XY",
"Image": "Image",
"Segmentation": "Segmentation",
"\uD83D\uDEAB Deprecated": "\uD83D\uDEAB Obsolète",
"Type": "Type",
"Math": "Mathématiques",
"Switch": "Interrupteur",
"Index Switch": "Interrupteur d'index",
"While Loop": "Boucle While",
"For Loop": "Boucle For",
"LoadImage": "Charger l'image"
}
}
+67
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@@ -0,0 +1,67 @@
{
"EasyUse_Hotkeys_AddGroup": {
"name": "Activer Shift+g pour ajouter les nœuds sélectionnés à un groupe",
"tooltip": "Depuis la v1.2.39, vous pouvez utiliser Ctrl+g à la place"
},
"EasyUse_Hotkeys_cleanVRAMUsed": {
"name": "Activer Shift+r pour décharger le cache du modèle et des nœuds"
},
"EasyUse_Hotkeys_toggleNodesMap": {
"name": "Activer Shift+m pour basculer la carte des nœuds"
},
"EasyUse_Hotkeys_AlignSelectedNodes": {
"name": "Activer Shift+Up/Down/Left/Right et Shift+Ctrl+Alt+Left/Right pour aligner les nœuds sélectionnés",
"tooltip": "Shift+Up/Down/Left/Right peut aligner les nœuds sélectionnés, Shift+Ctrl+Alt+Left/Right peut les répartir horizontalement/verticalement"
},
"EasyUse_Hotkeys_NormalizeSelectedNodes": {
"name": "Activer Shift+Ctrl+Left/Right pour normaliser les nœuds sélectionnés",
"tooltip": "Activer Shift+Ctrl+Left pour normaliser la largeur et Shift+Ctrl+Right pour normaliser la hauteur"
},
"EasyUse_Hotkeys_NodesTemplate": {
"name": "Activer Alt+1~9 pour coller les modèles de nœuds dans le workflow"
},
"EasyUse_Hotkeys_JumpNearestNodes": {
"name": "Activer Up/Down/Left/Right pour passer au nœud le plus proche"
},
"EasyUse_ContextMenu_SubDirectories": {
"name": "Activer l'imbrication automatique des sous-répertoires dans le menu contextuel"
},
"EasyUse_ContextMenu_ModelsThumbnails": {
"name": "Activer les vignettes d'aperçu du modèle"
},
"EasyUse_ContextMenu_NodesSort": {
"name": "Activer le tri A~Z des nouveaux nœuds dans le menu contextuel"
},
"EasyUse_ContextMenu_QuickOptions": {
"name": "Utiliser trois boutons rapides dans le menu contextuel",
"options": {
"At the forefront": "À l'avant-plan",
"At the end": "À la fin",
"Disable": "Désactiver"
}
},
"EasyUse_Nodes_Runtime": {
"name": "Activer l'affichage du temps d'exécution des nœuds"
},
"EasyUse_Nodes_ChainGetSet": {
"name": "Activer le chaînage des points get et set avec le nœud parent"
},
"EasyUse_NodesMap_Sorting": {
"name": "Gérer le mode de tri des groupes de nœuds",
"tooltip": "Tri automatique par défaut. Si défini sur manuel, les groupes peuvent être glissés-déposés et l'ordre sera sauvegardé.",
"options": {
"Auto sorting": "Tri automatique",
"Manual drag&drop sorting": "Tri manuel par glisser-déposer"
}
},
"EasyUse_NodesMap_DisplayNodeID": {
"name": "Activer l'affichage de l'ID du nœud"
},
"EasyUse_NodesMap_DisplayGroupOnly": {
"name": "Afficher uniquement les groupes"
},
"EasyUse_NodesMap_Enable": {
"name": "Activer la carte des groupes",
"tooltip": "Vous devez actualiser la page pour mettre à jour"
}
}
+30
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@@ -0,0 +1,30 @@
{
"settingsCategories": {
"Hotkeys": "ショートカットキー",
"Nodes": "ノード",
"NodesMap": "ノードマップ"
},
"nodeCategories": {
"Util": "ユーティリティ",
"Seed": "シード",
"Prompt": "プロンプト",
"Loaders": "ローダー",
"Adapter": "アダプター",
"Inpaint": "インペイント",
"PreSampling": "プリサンプリング",
"Sampler": "サンプラー",
"Fix": "フィックス",
"Pipe": "パイプ",
"XY Inputs": "XY入力",
"Image": "画像",
"Segmentation": "セグメンテーション",
"\uD83D\uDEAB Deprecated": "🚫 非推奨",
"Type": "タイプ",
"Math": "数学",
"Switch": "スイッチ",
"Index Switch": "インデックススイッチ",
"While Loop": "Whileループ",
"For Loop": "Forループ",
"LoadImage": "画像読み込み"
}
}
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@@ -0,0 +1,67 @@
{
"EasyUse_Hotkeys_AddGroup": {
"name": "Shift+gを使用して選択したノードをグループに追加する",
"tooltip": "v1.2.39以降、Ctrl+gが使用できます"
},
"EasyUse_Hotkeys_cleanVRAMUsed": {
"name": "Shift+rを使用してモデルおよびノードキャッシュをアンロードする"
},
"EasyUse_Hotkeys_toggleNodesMap": {
"name": "Shift+mを使用してノードマップを表示/非表示にします"
},
"EasyUse_Hotkeys_AlignSelectedNodes": {
"name": "Shift+上/下/左/右およびShift+Ctrl+Alt+左/右を使用して選択したノードを整列する",
"tooltip": "Shift+上/下/左/右で選択したノードを整列し、Shift+Ctrl+Alt+左/右で水平方向/垂直方向に分布させる"
},
"EasyUse_Hotkeys_NormalizeSelectedNodes": {
"name": "Shift+Ctrl+左/右を使用して選択したノードのサイズを正規化する",
"tooltip": "Shift+Ctrl+左で幅を、Shift+Ctrl+右で高さを正規化する"
},
"EasyUse_Hotkeys_NodesTemplate": {
"name": "Alt+1~9を使用してワークフローにノードテンプレートを貼り付ける"
},
"EasyUse_Hotkeys_JumpNearestNodes": {
"name": "上/下/左/右を使用して最も近いノードにジャンプする"
},
"EasyUse_ContextMenu_SubDirectories": {
"name": "コンテキストメニューでサブディレクトリを自動でネストする"
},
"EasyUse_ContextMenu_ModelsThumbnails": {
"name": "モデルプレビューサムネイルを有効にする"
},
"EasyUse_ContextMenu_NodesSort": {
"name": "コンテキストメニューで新規ノードをA~Z順に並べ替える"
},
"EasyUse_ContextMenu_QuickOptions": {
"name": "コンテキストメニューで3つのクイックボタンを使用する",
"options": {
"At the forefront": "最前面に",
"At the end": "最後に",
"Disable": "無効"
}
},
"EasyUse_Nodes_Runtime": {
"name": "ノードの実行時間表示を有効にする"
},
"EasyUse_Nodes_ChainGetSet": {
"name": "親ノードと取得/設定ポイントを連結することを有効にする"
},
"EasyUse_NodesMap_Sorting": {
"name": "ノードグループの並べ替えモードを管理する",
"tooltip": "デフォルトで自動的に並べ替えます。マニュアルに設定した場合、グループをドラッグアンドドロップで並べ替え、順序が保存されます。",
"options": {
"Auto sorting": "自動並べ替え",
"Manual drag&drop sorting": "手動ドラッグアンドドロップによる並べ替え"
}
},
"EasyUse_NodesMap_DisplayNodeID": {
"name": "ノードIDの表示を有効にする"
},
"EasyUse_NodesMap_DisplayGroupOnly": {
"name": "グループのみ表示する"
},
"EasyUse_NodesMap_Enable": {
"name": "グループマップを有効にする",
"tooltip": "ページを更新する必要があります"
}
}
+30
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@@ -0,0 +1,30 @@
{
"settingsCategories": {
"Hotkeys": "단축키",
"Nodes": "노드",
"NodesMap": "노드 맵"
},
"nodeCategories": {
"Util": "유틸",
"Seed": "시드",
"Prompt": "프롬프트",
"Loaders": "로더",
"Adapter": "어댑터",
"Inpaint": "인페인트",
"PreSampling": "사전 샘플링",
"Sampler": "샘플러",
"Fix": "픽스",
"Pipe": "파이프",
"XY Inputs": "XY 입력",
"Image": "이미지",
"Segmentation": "분할",
"\uD83D\uDEAB Deprecated": "\uD83D\uDEAB 사용 중단",
"Type": "유형",
"Math": "수학",
"Switch": "스위치",
"Index Switch": "인덱스 스위치",
"While Loop": "while 루프",
"For Loop": "for 루프",
"LoadImage": "이미지 로드"
}
}
+67
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@@ -0,0 +1,67 @@
{
"EasyUse_Hotkeys_AddGroup": {
"name": "Shift+g 를 사용하여 선택된 노드를 그룹에 추가합니다",
"tooltip": "v1.2.39부터는 Ctrl+g 를 사용할 수 있습니다"
},
"EasyUse_Hotkeys_cleanVRAMUsed": {
"name": "Shift+r 를 사용하여 모델 및 노드 캐시를 언로드합니다"
},
"EasyUse_Hotkeys_toggleNodesMap": {
"name": "Shift+m 를 사용하여 노드 맵을 전환합니다"
},
"EasyUse_Hotkeys_AlignSelectedNodes": {
"name": "Shift+Up/Down/Left/Right 와 Shift+Ctrl+Alt+Left/Right 를 사용하여 선택된 노드를 정렬합니다",
"tooltip": "Shift+Up/Down/Left/Right 는 선택된 노드를 정렬하며, Shift+Ctrl+Alt+Left/Right 는 노드를 수평/수직으로 분배합니다"
},
"EasyUse_Hotkeys_NormalizeSelectedNodes": {
"name": "Shift+Ctrl+Left/Right 를 사용하여 선택된 노드를 정규화합니다",
"tooltip": "Shift+Ctrl+Left 는 너비를, Shift+Ctrl+Right 는 높이를 정규화합니다"
},
"EasyUse_Hotkeys_NodesTemplate": {
"name": "Alt+1~9 를 사용하여 워크플로우에 노드 템플릿을 붙여넣습니다"
},
"EasyUse_Hotkeys_JumpNearestNodes": {
"name": "Up/Down/Left/Right 를 사용하여 가장 가까운 노드로 이동합니다"
},
"EasyUse_ContextMenu_SubDirectories": {
"name": "컨텍스트 메뉴에서 자동으로 하위 디렉토리를 중첩합니다"
},
"EasyUse_ContextMenu_ModelsThumbnails": {
"name": "모델 미리보기 썸네일을 활성화합니다"
},
"EasyUse_ContextMenu_NodesSort": {
"name": "컨텍스트 메뉴에서 새로운 노드를 A~Z 순으로 정렬합니다"
},
"EasyUse_ContextMenu_QuickOptions": {
"name": "컨텍스트 메뉴에 3개의 빠른 옵션 버튼을 사용합니다",
"options": {
"At the forefront": "앞쪽에",
"At the end": "뒤쪽에",
"Disable": "비활성화"
}
},
"EasyUse_Nodes_Runtime": {
"name": "노드 실행 시간 표시를 활성화합니다"
},
"EasyUse_Nodes_ChainGetSet": {
"name": "부모 노드와 연결된 get/ set 포인트 체이닝을 활성화합니다"
},
"EasyUse_NodesMap_Sorting": {
"name": "노드 그룹 정렬 모드를 관리합니다",
"tooltip": "기본값은 자동 정렬입니다. 수동으로 설정하면 그룹을 드래그 앤 드롭할 수 있으며 순서가 저장됩니다.",
"options": {
"Auto sorting": "자동 정렬",
"Manual drag&drop sorting": "수동 드래그 앤 드롭 정렬"
}
},
"EasyUse_NodesMap_DisplayNodeID": {
"name": "노드 ID 표시를 활성화합니다"
},
"EasyUse_NodesMap_DisplayGroupOnly": {
"name": "그룹만 표시합니다"
},
"EasyUse_NodesMap_Enable": {
"name": "그룹 맵을 활성화합니다",
"tooltip": "업데이트를 위해 페이지를 새로고침해야 합니다"
}
}
+30
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@@ -0,0 +1,30 @@
{
"settingsCategories": {
"Hotkeys": "Горячие клавиши",
"Nodes": "Узлы",
"NodesMap": "Карта узлов"
},
"nodeCategories": {
"Util": "Утилиты",
"Seed": "Сид",
"Prompt": "Подсказка",
"Loaders": "Загрузчики",
"Adapter": "Адаптер",
"Inpaint": "Ретушь",
"PreSampling": "Предвыборка",
"Sampler": "Сэмплер",
"Fix": "Исправление",
"Pipe": "Конвейер",
"XY Inputs": "Ввод XY",
"Image": "Изображение",
"Segmentation": "Сегментация",
"\uD83D\uDEAB Deprecated": "\uD83D\uDEAB Устарело",
"Type": "Тип",
"Math": "Математика",
"Switch": "Переключатель",
"Index Switch": "Переключатель индексов",
"While Loop": "Цикл while",
"For Loop": "Цикл for",
"LoadImage": "Загрузка изображения"
}
}
+67
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@@ -0,0 +1,67 @@
{
"EasyUse_Hotkeys_AddGroup": {
"name": "Включить Shift+g для добавления выделенных узлов в группу",
"tooltip": "Начиная с версии v1.2.39, можно использовать Ctrl+g"
},
"EasyUse_Hotkeys_cleanVRAMUsed": {
"name": "Включить Shift+r для выгрузки модели и кэша узлов"
},
"EasyUse_Hotkeys_toggleNodesMap": {
"name": "Включить Shift+m для переключения карты узлов"
},
"EasyUse_Hotkeys_AlignSelectedNodes": {
"name": "Включить Shift+Стрелки для выравнивания выделенных узлов и Shift+Ctrl+Alt+Стрелки для распределения узлов по горизонтали/вертикали",
"tooltip": "Shift+Стрелки выравнивают выделенные узлы, Shift+Ctrl+Alt+Стрелки распределяют узлы по горизонтали/вертикали"
},
"EasyUse_Hotkeys_NormalizeSelectedNodes": {
"name": "Включить Shift+Ctrl+Стрелки для нормализации выделенных узлов",
"tooltip": "Включить Shift+Ctrl+Лево для нормализации ширины и Shift+Ctrl+Право для нормализации высоты"
},
"EasyUse_Hotkeys_NodesTemplate": {
"name": "Включить Alt+1~9 для вставки шаблонов узлов в рабочий процесс"
},
"EasyUse_Hotkeys_JumpNearestNodes": {
"name": "Включить Стрелки для перехода к ближайшему узлу"
},
"EasyUse_ContextMenu_SubDirectories": {
"name": "Включить автоматическое вложение подкаталогов в контекстном меню"
},
"EasyUse_ContextMenu_ModelsThumbnails": {
"name": "Включить превью миниатюр моделей"
},
"EasyUse_ContextMenu_NodesSort": {
"name": "Включить A~Z сортировку новых узлов в контекстном меню"
},
"EasyUse_ContextMenu_QuickOptions": {
"name": "Использовать три быстрых кнопки в контекстном меню",
"options": {
"At the forefront": "В начале",
"At the end": "В конце",
"Disable": "Отключено"
}
},
"EasyUse_Nodes_Runtime": {
"name": "Включить отображение времени выполнения узлов"
},
"EasyUse_Nodes_ChainGetSet": {
"name": "Включить связывание точек получения и установки с родительским узлом"
},
"EasyUse_NodesMap_Sorting": {
"name": "Управление режимом сортировки групп узлов",
"tooltip": "По умолчанию автоматическая сортировка. При ручном режиме группы можно перемещать методом перетаскивания, и порядок будет сохранён.",
"options": {
"Auto sorting": "Автоматическая сортировка",
"Manual drag&drop sorting": "Ручная сортировка перетаскиванием"
}
},
"EasyUse_NodesMap_DisplayNodeID": {
"name": "Включить отображение ID узлов"
},
"EasyUse_NodesMap_DisplayGroupOnly": {
"name": "Показывать только группы"
},
"EasyUse_NodesMap_Enable": {
"name": "Включить карту групп",
"tooltip": "Необходимо обновить страницу для успешного обновления"
}
}
+31
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{
"settingsCategories": {
"Hotkeys": "快捷键",
"Nodes": "节点相关",
"NodesMap": "管理节点组"
},
"nodeCategories": {
"Util": "工具",
"Seed": "随机种",
"Prompt": "提示词",
"Loaders": "模型加载器",
"Adapter": "模型适配器",
"Inpaint": "内补重绘",
"PreSampling": "预采样参数",
"Sampler": "采样器",
"Fix": "修复相关",
"Pipe": "节点束",
"XY Inputs": "XY图表输入项",
"Image": "图像",
"Segmentation": "分割",
"Logic": "逻辑",
"\uD83D\uDEAB Deprecated": "\uD83D\uDEAB 已弃用",
"Type": "类型",
"Math": "数学计算",
"Switch": "开关",
"Index Switch": "索引开关",
"While Loop": "While循环",
"For Loop": "For循环",
"LoadImage": "加载图像"
}
}
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+67
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{
"EasyUse_Hotkeys_AddGroup": {
"name": "启用 Shift+g 键将选中的节点添加一个组",
"tooltip": "从v1.2.39开始,可以使用Ctrl+g代替"
},
"EasyUse_Hotkeys_cleanVRAMUsed": {
"name": "启用 Shift+r 键卸载模型和节点缓存"
},
"EasyUse_Hotkeys_toggleNodesMap": {
"name": "启用 Shift+m 键显隐管理节点组"
},
"EasyUse_Hotkeys_AlignSelectedNodes": {
"name": "启用 Shift+上/下/左/右 和 Shift+Ctrl+Alt+左/右 键对齐选中的节点",
"tooltip": "Shift+上/下/左/右 可以对齐选中的节点, Shift+Ctrl+Alt+左/右 可以水平/垂直分布节点"
},
"EasyUse_Hotkeys_NormalizeSelectedNodes": {
"name": "启用 Shift+Ctrl+左/右 键规范化选中的节点",
"tooltip": "启用 Shift+Ctrl+左 键规范化宽度和 Shift+Ctrl+右 键规范化高度"
},
"EasyUse_Hotkeys_NodesTemplate": {
"name": "启用 Alt+1~9 从节点模板粘贴到工作流中"
},
"EasyUse_Hotkeys_JumpNearestNodes": {
"name": "启用 上/下/左/右 键跳转到最近的前后节点"
},
"EasyUse_ContextMenu_SubDirectories": {
"name": "启用上下文菜单自动嵌套子目录"
},
"EasyUse_ContextMenu_ModelsThumbnails": {
"name": "启动模型预览图显示"
},
"EasyUse_ContextMenu_NodesSort": {
"name": "启用右键菜单中新建节点A~Z排序"
},
"EasyUse_ContextMenu_QuickOptions": {
"name": "在右键菜单中使用三个快捷按钮",
"options": {
"At the forefront": "在最前面",
"At the end": "在最后面",
"Disable": "禁用"
}
},
"EasyUse_Nodes_Runtime": {
"name": "启动节点运行时间显示"
},
"EasyUse_Nodes_ChainGetSet": {
"name": "启用将获取点和设置点与父节点链在一起"
},
"EasyUse_NodesMap_Sorting": {
"name": "管理节点组排序模式",
"tooltip": "默认自动排序,如果设置为手动,组可以拖放并保存排序结果。",
"options": {
"Auto sorting": "自动排序",
"Manual drag&drop sorting": "手动拖拽排序"
}
},
"EasyUse_NodesMap_DisplayNodeID": {
"name": "启用节点ID显示"
},
"EasyUse_NodesMap_DisplayGroupOnly": {
"name": "仅显示组"
},
"EasyUse_NodesMap_Enable": {
"name": "启用管理节点组",
"tooltip": "您需要刷新页面以成功更新"
}
}
+1 -4
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@@ -31,7 +31,4 @@ add_folder_path_and_extensions("mediapipe", [os.path.join(model_path, "mediapipe
add_folder_path_and_extensions("inpaint", [os.path.join(model_path, "inpaint")], folder_paths.supported_pt_extensions)
add_folder_path_and_extensions("prompt_generator", [os.path.join(model_path, "prompt_generator")], folder_paths.supported_pt_extensions)
add_folder_path_and_extensions("t5", [os.path.join(model_path, "t5")], folder_paths.supported_pt_extensions)
add_folder_path_and_extensions("llm", [os.path.join(model_path, "LLM")], folder_paths.supported_pt_extensions)
add_folder_path_and_extensions("checkpoints_thumb", [os.path.join(model_path, "checkpoints")], image_suffixs)
add_folder_path_and_extensions("loras_thumb", [os.path.join(model_path, "loras")], image_suffixs)
add_folder_path_and_extensions("llm", [os.path.join(model_path, "LLM")], folder_paths.supported_pt_extensions)
+6
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@@ -0,0 +1,6 @@
from .libs.loader import easyLoader
from .libs.sampler import easySampler
sampler = easySampler()
easyCache = easyLoader()
+22 -3
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@@ -193,6 +193,9 @@ REMBG_MODELS = {
},
"RMBG-2.0": {
"model_url": "briaai/RMBG-2.0"
},
"BEN2": {
"model_url": "https://huggingface.co/PramaLLC/BEN2/resolve/main/BEN2_Base.pth"
}
}
@@ -333,7 +336,7 @@ IPADAPTER_CLIPVISION_MODELS = {
"model_url": "https://huggingface.co/openai/clip-vit-large-patch14-336/resolve/main/pytorch_model.bin"
},
"clip-vit-h-14-laion2B-s32B-b79K":{
"model_url": "https://huggingface.co/laion/CLIP-ViT-H-14-laion2B-s32B-b79K/resolve/main/open_clip_pytorch_model.safetensors"
"model_url": "https://huggingface.co/laion/CLIP-ViT-H-14-laion2B-s32B-b79K/resolve/main/open_clip_model.safetensors"
},
"sigclip_vision_patch14_384":{
"model_url": "https://huggingface.co/Comfy-Org/sigclip_vision_384/resolve/main/sigclip_vision_patch14_384.safetensors"
@@ -347,7 +350,7 @@ DYNAMICRAFTER_MODELS = {
"model_url": "https://huggingface.co/ExponentialML/DynamiCrafterUNet/resolve/main/dynamicrafter_unet_512.safetensors",
"vae_url": "https://huggingface.co/stabilityai/sd-vae-ft-mse-original/resolve/main/vae-ft-mse-840000-ema-pruned.safetensors",
"clip_url": "https://huggingface.co/stabilityai/stable-diffusion-2-1/resolve/main/text_encoder/model.safetensors",
"clip_vision_url": "https://huggingface.co/laion/CLIP-ViT-H-14-laion2B-s32B-b79K/resolve/main/open_clip_pytorch_model.safetensors",
"clip_vision_url": "https://huggingface.co/laion/CLIP-ViT-H-14-laion2B-s32B-b79K/resolve/main/open_clip_model.safetensors",
},
"dynamicrafter_unet_512_interp (2.98GB)": {
"model_url": "https://huggingface.co/ExponentialML/DynamiCrafterUNet/resolve/main/dynamicrafter_unet_512_interp.safetensors"
@@ -376,4 +379,20 @@ MEDIAPIPE_MODELS = {
"selfie_multiclass_256x256": {
"model_url": "https://huggingface.co/yolain/selfie_multiclass_256x256/resolve/main/selfie_multiclass_256x256.tflite"
}
}
}
#prompt template
PROMPT_TEMPLATE = {
"prefix": ["Detailed photo of", "Amateur photo of", "Flicker 2008 photo of", "Fantastic artwork of",
"Vintage photograph of", "Unreal 5 render of", "Surrealist painting of",
"Professional advertising design of"],
"subject": ["a man", "a woman", "a young man", "a young woman", "a handsome man", "a beautiful woman", "a monster", "a toy", "a product", "a buddha", "a dog", "a cat"],
"action": ["looking at viewer", "looking away", "looking up", "looking down", "looking back", "open mouth", "half-closed mouth", "closed mouth", "open eyes", "half-closed eyes", "closed eyes", "wink", "standing", "sitting", "lying", "walking", "running", "adjusting hair", "waving", "hand on hip", "crossed arms", "smile", "sad", "angry", "sleepy", "tired", "expressionless"],
"clothes": ["underwear", "clothed", "casual", "dress", "swimsuit", "uniform", "bikini", "one-piece swimsuit", "shirt", "blouse", "sweater", "hoodie", "jeans", "pants", "shorts", "skirt", "vest", "coat", "trenchoat", "jacket", "short dress", "long dress", "off-shoulder", "backless", "hairbow", "hair ribbon", "hair tie", "hairband", "cap", "beanie", "bucket hat", "sun hat", "straw hat", "rice hat", "witch hat", "crown", "chain necklace", "tooth necklace", "choker", "pendant", "bracelet", "watch", "ring", "earring", "anklet", "belt", "scarf", "gloves", "mittens", "socks", "stockings", "tights", "leggings", "boots", "sneakers", "heels", "sandals", "flip-flops", "slippers", "loafers", "mules", "oxfords", "brogues", "derbies", "monk shoes", "chelsea boots", "combat boots", "riding boots", "rain boots", "wedge heels", "platform heels", "stilettos", "block heels", "kitten heels", "moccasins", "espadrilles", "pumps", "flats", "ballet flats", "mary janes", "slingbacks", "peep-toe", "mule sandals", "gladiator sandals", "thong sandals", "slide sandals", "espadrille sandals", "wedge sandals", "platform sandals", "ankle boots", "knee-high boots", "over-the-knee boots", "thigh-high boots", "wellington boots", "chukka boots", "desert boots", "chelsea boots", "hiking boots", "work boots", "snow boots", "rain boots", "riding boots", "cowboy boots", "combat boots", "biker boots", "duck boots", "military boots", "western boots", "ankle strap heels", "block heels", "chunky heels", "cone heels", "kitten heels", "platform heels", "pumps", "slingback heels", "stiletto heels", "wedge heels", "mules", "slingbacks", "slides", "thong sandals", "gladiator sandals", "espadrilles", "wedge sandals", "platform sandals", "ankle boots", "knee-high boots", "over-the-knee boots", "thigh-high boots", "wellington boots", "chukka boots", "desert boots", "chelsea boots", "hiking boots", "work boots", "snow boots", "rain boots", "riding boots", "cowboy boots", "combat boots", "biker boots", "duck boots", "military boots", "western boots", "ankle strap heels", "block heels" ],
"environment": ["sunshine from window", "neon night, city", "sunset over sea", "golden time", "sci-fi RGB glowing, cyberpunk", "natural lighting", "warm atmosphere, at home, bedroom", "magic lit", "evil, gothic, in a cave", "light and shadow", "shadow from window", "soft studio lighting", "home atmosphere, cozy bedroom illumination", "neon, Wong Kar-wai, warm", "moonlight through curtains", "stormy sky lighting", "underwater glow, deep sea", "foggy forest at dawn", "golden hour in a meadow", "rainbow reflections, neon", "cozy candlelight", "apocalyptic, smoky atmosphere", "red glow, emergency lights", "mystical glow, enchanted forest", "campfire light", "harsh, industrial lighting", "sunrise in the mountains", "evening glow in the desert", "moonlight in a dark alley", "golden glow at a fairground", "midnight in the forest", "purple and pink hues at twilight", "foggy morning, muted light", "candle-lit room, rustic vibe", "fluorescent office lighting", "lightning flash in storm", "night, cozy warm light from fireplace", "ethereal glow, magical forest", "dusky evening on a beach", "afternoon light filtering through trees", "blue neon light, urban street", "red and blue police lights in rain", "aurora borealis glow, arctic landscape", "sunrise through foggy mountains", "golden hour on a city skyline", "mysterious twilight, heavy mist", "early morning rays, forest clearing", "colorful lantern light at festival", "soft glow through stained glass", "harsh spotlight in dark room", "mellow evening glow on a lake", "crystal reflections in a cave", "vibrant autumn lighting in a forest", "gentle snowfall at dusk", "hazy light of a winter morning", "soft, diffused foggy glow", "underwater luminescence", "rain-soaked reflections in city lights", "golden sunlight streaming through trees", "fireflies lighting up a summer night", "glowing embers from a forge", "dim candlelight in a gothic castle", "midnight sky with bright starlight", "warm sunset in a rural village", "flickering light in a haunted house", "desert sunset with mirage-like glow", "golden beams piercing through storm clouds"],
"background": ["cars and people", "a cozy bed and a lamp", "a forest clearing with mist", "a bustling marketplace", "a quiet beach at dusk", "an old, cobblestone street", "a futuristic cityscape", "a tranquil lake with mountains", "a mysterious cave entrance", "bookshelves and plants in the background", "an ancient temple in ruins", "tall skyscrapers and neon signs", "a starry sky over a desert", "a bustling café", "rolling hills and farmland", "a modern living room with a fireplace", "an abandoned warehouse", "a picturesque mountain range", "a starry night sky", "the interior of a futuristic spaceship", "the cluttered workshop of an inventor", "the glowing embers of a bonfire", "a misty lake surrounded by trees", "an ornate palace hall", "a busy street market", "a vast desert landscape", "a peaceful library corner", "bustling train station", "a mystical, enchanted forest", "an underwater reef with colorful fish", "a quiet rural village", "a sandy beach with palm trees", "a vibrant coral reef, teeming with life", "snow-capped mountains in distance", "a stormy ocean, waves crashing", "a rustic barn in open fields", "a futuristic lab with glowing screens", "a dark, abandoned castle", "the ruins of an ancient civilization", "a bustling urban street in rain", "an elegant grand ballroom", "a sprawling field of wildflowers", "a dense jungle with sunlight filtering through", "a dimly lit, vintage bar", "an ice cave with sparkling crystals", "a serene riverbank at sunset", "a narrow alley with graffiti walls", "a peaceful zen garden with koi pond", "a high-tech control room", "a quiet mountain village at dawn", "a lighthouse on a rocky coast", "a rainy street with flickering lights", "a frozen lake with ice formations", "an abandoned theme park", "a small fishing village on a pier", "rolling sand dunes in a desert", "a dense forest with towering redwoods", "a snowy cabin in the mountains", "a mystical cave with bioluminescent plants", "a castle courtyard under moonlight", "a bustling open-air night market", "an old train station with steam", "a tranquil waterfall surrounded by trees", "a vineyard in the countryside", "a quaint medieval village", "a bustling harbor with boats", "a high-tech futuristic mall", "a lush tropical rainforest"],
"nsfw": ["nude", "breast", "small breast", "middle breast", "large breast", "nipples", "clothes lift", "pussy juice trail", "pussy juice puddle", "small testicles", "medium testicles", "large testicles", "disembodied penis", "cum on body", "cum inside", "cum outside", "fingering", "handjob", "fellatio", "licking penis", "paizuri", "doggystyle", "cowgirl", "reversed cowgirl", "piledriver", "suspended congress", "full nelson",],
}
NEW_SCHEDULERS = ['align_your_steps', 'gits']
-334
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@@ -1,334 +0,0 @@
#credit to ExponentialML for this module
#from https://github.com/ExponentialML/ComfyUI_Native_DynamiCrafter
import os
import torch
import comfy
from einops import rearrange
from comfy import model_base, model_management
from .lvdm.modules.networks.openaimodel3d import UNetModel as DynamiCrafterUNetModel
from .utils.model_utils import DynamiCrafterBase, DYNAMICRAFTER_CONFIG, load_image_proj_dict, load_dynamicrafter_dict, get_image_proj_model
class DynamiCrafter:
def __init__(self):
self.model_patcher = None
# There is probably a better way to do this, but with the apply_model callback, this seems necessary.
# The model gets wrapped around a CFG Denoiser class, and handles the conditioning parts there.
# We cannot access it, so we must find the conditioning according to how ComfyUI handles it.
def get_conditioning_pair(self, c_crossattn, use_cfg: bool):
if not use_cfg:
return c_crossattn
conditioning_group = []
for i in range(c_crossattn.shape[0]):
# Get the positive and negative conditioning.
positive_idx = i + 1
negative_idx = i
if positive_idx >= c_crossattn.shape[0]:
break
if not torch.equal(c_crossattn[[positive_idx]], c_crossattn[[negative_idx]]):
conditioning_group = [
c_crossattn[[positive_idx]],
c_crossattn[[negative_idx]]
]
break
if len(conditioning_group) == 0:
raise ValueError("Could not get the appropriate conditioning group.")
return torch.cat(conditioning_group)
# apply_model, {"input": input_x, "timestep": timestep_, "c": c, "cond_or_uncond": cond_or_uncond}
def _forward(self, *args):
transformer_options = self.model_patcher.model_options['transformer_options']
conditioning = transformer_options['conditioning']
apply_model = args[0]
# forward_dict
fd = args[1]
x, t, model_in_kwargs, _ = fd['input'], fd['timestep'], fd['c'], fd['cond_or_uncond']
c_crossattn = model_in_kwargs.pop("c_crossattn")
c_concat = conditioning['c_concat']
num_video_frames = conditioning['num_video_frames']
fs = conditioning['fs']
original_num_frames = num_video_frames
# Better way to determine if we're using CFG
# The cond batch will always be num_frames >= 2 since we're doing video,
# so we need get this condition differently here.
if x.shape[0] > num_video_frames:
num_video_frames *= 2
batch_size = 2
use_cfg = True
else:
use_cfg = False
batch_size = 1
if use_cfg:
c_concat = torch.cat([c_concat] * 2)
self.validate_forwardable_latent(x, c_concat, num_video_frames, use_cfg)
x_in, c_concat = map(lambda xc: rearrange(xc, '(b t) c h w -> b c t h w', b=batch_size), (x, c_concat))
# We always assume video, so there will always be batched conditionings.
c_crossattn = self.get_conditioning_pair(c_crossattn, use_cfg)
c_crossattn = c_crossattn[:2] if use_cfg else c_crossattn[:1]
context_in = c_crossattn
img_embs = conditioning['image_emb']
if use_cfg:
img_emb_uncond = conditioning['image_emb_uncond']
img_embs = torch.cat([img_embs, img_emb_uncond])
fs = torch.cat([fs] * x_in.shape[0])
outs = []
for i in range(batch_size):
model_in_kwargs['transformer_options']['cond_idx'] = i
x_out = apply_model(
x_in[[i]],
t=torch.cat([t[:1]]),
context_in=context_in[[i]],
c_crossattn=c_crossattn,
cc_concat=c_concat[[i]], # "cc" is to handle naming conflict with apply_model wrapper.
# We want to handle this in the UNet forward.
num_video_frames=num_video_frames // 2 if batch_size > 1 else num_video_frames,
img_emb=img_embs[[i]],
fs=fs[[i]],
**model_in_kwargs
)
outs.append(x_out)
x_out = torch.cat(list(reversed(outs)))
x_out = rearrange(x_out, 'b c t h w -> (b t) c h w')
return x_out
def assign_forward_args(
self,
model,
c_concat,
image_emb,
image_emb_uncond,
fs,
frames,
):
model.model_options['transformer_options']['conditioning'] = {
"c_concat": c_concat,
"image_emb": image_emb,
'image_emb_uncond': image_emb_uncond,
"fs": fs,
"num_video_frames": frames,
}
def validate_forwardable_latent(self, latent, c_concat, num_video_frames, use_cfg):
check_no_cfg = latent.shape[0] != num_video_frames
check_with_cfg = latent.shape[0] != (num_video_frames * 2)
latent_batch_size = latent.shape[0] if not use_cfg else latent.shape[0] // 2
num_frames = num_video_frames if not use_cfg else num_video_frames // 2
if all([check_no_cfg, check_with_cfg]):
raise ValueError(
"Please make sure your latent inputs match the number of frames in the DynamiCrafter Processor."
f"Got a latent batch size of ({latent_batch_size}) with number of frames being ({num_frames})."
)
latent_h, latent_w = latent.shape[-2:]
c_concat_h, c_concat_w = c_concat.shape[-2:]
if not all([latent_h == c_concat_h, latent_w == c_concat_w]):
raise ValueError(
"Please make sure that your input latent and image frames are the same height and width.",
f"Image Size: {c_concat_w * 8}, {c_concat_h * 8}, Latent Size: {latent_h * 8}, {latent_w * 8}"
)
def process_image_conditioning(
self,
model,
clip_vision,
vae,
image_proj_model,
images,
use_interpolate,
fps: int,
frames: int,
scale_latents: bool
):
self.model_patcher = model
encoded_latent = vae.encode(images[:, :, :, :3])
encoded_image = clip_vision.encode_image(images[:1])['last_hidden_state']
image_emb = image_proj_model(encoded_image)
encoded_image_uncond = clip_vision.encode_image(torch.zeros_like(images)[:1])['last_hidden_state']
image_emb_uncond = image_proj_model(encoded_image_uncond)
c_concat = encoded_latent
if scale_latents:
vae_process_input = vae.process_input
vae.process_input = lambda image: (image - .5) * 2
c_concat = vae.encode(images[:, :, :, :3])
vae.process_input = vae_process_input
c_concat = model.model.process_latent_in(c_concat) * 1.3
else:
c_concat = model.model.process_latent_in(c_concat)
fs = torch.tensor([fps], dtype=torch.long, device=model_management.intermediate_device())
model.set_model_unet_function_wrapper(self._forward)
used_interpolate_processing = False
if use_interpolate and frames > 16:
raise ValueError(
"When using interpolation mode, the maximum amount of frames are 16."
"If you're doing long video generation, consider using the last frame\
from the first generation for the next one (autoregressive)."
)
if encoded_latent.shape[0] == 1:
c_concat = torch.cat([c_concat] * frames, dim=0)[:frames]
if use_interpolate:
mask = torch.zeros_like(c_concat)
mask[:1] = c_concat[:1]
c_concat = mask
used_interpolate_processing = True
else:
if use_interpolate and c_concat.shape[0] in [2, 3]:
input_frame_count = c_concat.shape[0]
# We're just padding to the same type an size of the concat
masked_frames = torch.zeros_like(torch.cat([c_concat[:1]] * frames))[:frames]
# Start frame
masked_frames[:1] = c_concat[:1]
end_frame_idx = -1
# TODO
speed = 1.0
if speed < 1.0:
possible_speeds = list(torch.linspace(0, 1.0, c_concat.shape[0]))
speed_from_frames = enumerate(possible_speeds)
speed_idx = min(speed_from_frames, key=lambda n: n[1] - speed)[0]
end_frame_idx = speed_idx
# End frame
masked_frames[-1:] = c_concat[[end_frame_idx]]
# Possible middle frame, but not working at the moment.
if input_frame_count == 3:
middle_idx = masked_frames.shape[0] // 2
middle_idx_frame = c_concat.shape[0] // 2
masked_frames[[middle_idx]] = c_concat[[middle_idx_frame]]
c_concat = masked_frames
used_interpolate_processing = True
print(f"Using interpolation mode with {input_frame_count} frames.")
if c_concat.shape[0] < frames and not used_interpolate_processing:
print(
"Multiple images found, but interpolation mode is unset. Using the first frame as condition.",
)
c_concat = torch.cat([c_concat[:1]] * frames)
c_concat = c_concat[:frames]
if encoded_latent.shape[0] == 1:
encoded_latent = torch.cat([encoded_latent] * frames)[:frames]
if encoded_latent.shape[0] < frames and encoded_latent.shape[0] != 1:
encoded_latent = torch.cat(
[encoded_latent] + [encoded_latent[-1:]] * abs(encoded_latent.shape[0] - frames)
)[:frames]
# We could store this as a state in this Node Class Instance, but to prevent any weird edge cases,
# this should always be passed through the 'stateless' way, and let ComfyUI handle the transformer_options state.
self.assign_forward_args(model, c_concat, image_emb, image_emb_uncond, fs, frames)
return (model, {"samples": torch.zeros_like(c_concat)}, {"samples": encoded_latent},)
# Loader for the DynamiCrafter model.
def load_model_sicts(self, model_path: str):
model_state_dict = comfy.utils.load_torch_file(model_path)
dynamicrafter_dict = load_dynamicrafter_dict(model_state_dict)
image_proj_dict = load_image_proj_dict(model_state_dict)
return dynamicrafter_dict, image_proj_dict
def get_prediction_type(self, is_eps: bool, model_config):
if not is_eps and "image_cross_attention_scale_learnable" in model_config.unet_config.keys():
model_config.unet_config["image_cross_attention_scale_learnable"] = False
return model_base.ModelType.EPS if is_eps else model_base.ModelType.V_PREDICTION
def handle_model_management(self, dynamicrafter_dict: dict, model_config):
parameters = comfy.utils.calculate_parameters(dynamicrafter_dict, "model.diffusion_model.")
load_device = model_management.get_torch_device()
unet_dtype = model_management.unet_dtype(
model_params=parameters,
supported_dtypes=model_config.supported_inference_dtypes
)
manual_cast_dtype = model_management.unet_manual_cast(
unet_dtype,
load_device,
model_config.supported_inference_dtypes
)
model_config.set_inference_dtype(unet_dtype, manual_cast_dtype)
inital_load_device = model_management.unet_inital_load_device(parameters, unet_dtype)
offload_device = model_management.unet_offload_device()
return load_device, inital_load_device
def check_leftover_keys(self, state_dict: dict):
left_over = state_dict.keys()
if len(left_over) > 0:
print("left over keys:", left_over)
def load_dynamicrafter(self, model_path):
if os.path.exists(model_path):
dynamicrafter_dict, image_proj_dict = self.load_model_sicts(model_path)
model_config = DynamiCrafterBase(DYNAMICRAFTER_CONFIG)
dynamicrafter_dict, is_eps = model_config.process_dict_version(state_dict=dynamicrafter_dict)
MODEL_TYPE = self.get_prediction_type(is_eps, model_config)
load_device, inital_load_device = self.handle_model_management(dynamicrafter_dict, model_config)
model = model_base.BaseModel(
model_config,
model_type=MODEL_TYPE,
device=inital_load_device,
unet_model=DynamiCrafterUNetModel
)
image_proj_model = get_image_proj_model(image_proj_dict)
model.load_model_weights(dynamicrafter_dict, "model.diffusion_model.")
self.check_leftover_keys(dynamicrafter_dict)
model_patcher = comfy.model_patcher.ModelPatcher(
model,
load_device=load_device,
offload_device=model_management.unet_offload_device(),
current_device=inital_load_device
)
return (model_patcher, image_proj_model,)
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# adopted from
# https://github.com/openai/improved-diffusion/blob/main/improved_diffusion/gaussian_diffusion.py
# and
# https://github.com/lucidrains/denoising-diffusion-pytorch/blob/7706bdfc6f527f58d33f84b7b522e61e6e3164b3/denoising_diffusion_pytorch/denoising_diffusion_pytorch.py
# and
# https://github.com/openai/guided-diffusion/blob/0ba878e517b276c45d1195eb29f6f5f72659a05b/guided_diffusion/nn.py
#
# thanks!
import torch.nn as nn
import comfy.ops
ops = comfy.ops.disable_weight_init
from ..utils.utils import instantiate_from_config
def disabled_train(self, mode=True):
"""Overwrite model.train with this function to make sure train/eval mode
does not change anymore."""
return self
def zero_module(module):
"""
Zero out the parameters of a module and return it.
"""
for p in module.parameters():
p.detach().zero_()
return module
def scale_module(module, scale):
"""
Scale the parameters of a module and return it.
"""
for p in module.parameters():
p.detach().mul_(scale)
return module
def conv_nd(dims, *args, **kwargs):
"""
Create a 1D, 2D, or 3D convolution module.
"""
if dims == 1:
return nn.Conv1d(*args, **kwargs)
elif dims == 2:
return ops.Conv2d(*args, **kwargs)
elif dims == 3:
return ops.Conv3d(*args, **kwargs)
raise ValueError(f"unsupported dimensions: {dims}")
def linear(*args, **kwargs):
"""
Create a linear module.
"""
return ops.Linear(*args, **kwargs)
def avg_pool_nd(dims, *args, **kwargs):
"""
Create a 1D, 2D, or 3D average pooling module.
"""
if dims == 1:
return nn.AvgPool1d(*args, **kwargs)
elif dims == 2:
return nn.AvgPool2d(*args, **kwargs)
elif dims == 3:
return nn.AvgPool3d(*args, **kwargs)
raise ValueError(f"unsupported dimensions: {dims}")
def nonlinearity(type='silu'):
if type == 'silu':
return nn.SiLU()
elif type == 'leaky_relu':
return nn.LeakyReLU()
class GroupNormSpecific(ops.GroupNorm):
def forward(self, x):
return super().forward(x.float()).type(x.dtype)
def normalization(channels, num_groups=32, dtype=None, device=None):
"""
Make a standard normalization layer.
:param channels: number of input channels.
:return: an nn.Module for normalization.
"""
return GroupNormSpecific(num_groups, channels, dtype=dtype, device=device)
class HybridConditioner(nn.Module):
def __init__(self, c_concat_config, c_crossattn_config):
super().__init__()
self.concat_conditioner = instantiate_from_config(c_concat_config)
self.crossattn_conditioner = instantiate_from_config(c_crossattn_config)
def forward(self, c_concat, c_crossattn):
c_concat = self.concat_conditioner(c_concat)
c_crossattn = self.crossattn_conditioner(c_crossattn)
return {'c_concat': [c_concat], 'c_crossattn': [c_crossattn]}
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import math
from inspect import isfunction
import torch
from torch import nn
import torch.distributed as dist
def gather_data(data, return_np=True):
''' gather data from multiple processes to one list '''
data_list = [torch.zeros_like(data) for _ in range(dist.get_world_size())]
dist.all_gather(data_list, data) # gather not supported with NCCL
if return_np:
data_list = [data.cpu().numpy() for data in data_list]
return data_list
def autocast(f):
def do_autocast(*args, **kwargs):
with torch.cuda.amp.autocast(enabled=True,
dtype=torch.get_autocast_gpu_dtype(),
cache_enabled=torch.is_autocast_cache_enabled()):
return f(*args, **kwargs)
return do_autocast
def extract_into_tensor(a, t, x_shape):
b, *_ = t.shape
out = a.gather(-1, t)
return out.reshape(b, *((1,) * (len(x_shape) - 1)))
def noise_like(shape, device, repeat=False):
repeat_noise = lambda: torch.randn((1, *shape[1:]), device=device).repeat(shape[0], *((1,) * (len(shape) - 1)))
noise = lambda: torch.randn(shape, device=device)
return repeat_noise() if repeat else noise()
def default(val, d):
if exists(val):
return val
return d() if isfunction(d) else d
def exists(val):
return val is not None
def identity(*args, **kwargs):
return nn.Identity()
def uniq(arr):
return{el: True for el in arr}.keys()
def mean_flat(tensor):
"""
Take the mean over all non-batch dimensions.
"""
return tensor.mean(dim=list(range(1, len(tensor.shape))))
def ismap(x):
if not isinstance(x, torch.Tensor):
return False
return (len(x.shape) == 4) and (x.shape[1] > 3)
def isimage(x):
if not isinstance(x,torch.Tensor):
return False
return (len(x.shape) == 4) and (x.shape[1] == 3 or x.shape[1] == 1)
def max_neg_value(t):
return -torch.finfo(t.dtype).max
def shape_to_str(x):
shape_str = "x".join([str(x) for x in x.shape])
return shape_str
def init_(tensor):
dim = tensor.shape[-1]
std = 1 / math.sqrt(dim)
tensor.uniform_(-std, std)
return tensor
ckpt = torch.utils.checkpoint.checkpoint
def checkpoint(func, inputs, params, flag):
"""
Evaluate a function without caching intermediate activations, allowing for
reduced memory at the expense of extra compute in the backward pass.
:param func: the function to evaluate.
:param inputs: the argument sequence to pass to `func`.
:param params: a sequence of parameters `func` depends on but does not
explicitly take as arguments.
:param flag: if False, disable gradient checkpointing.
"""
if flag:
return ckpt(func, *inputs, use_reentrant=False)
else:
return func(*inputs)
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import torch
import numpy as np
class AbstractDistribution:
def sample(self):
raise NotImplementedError()
def mode(self):
raise NotImplementedError()
class DiracDistribution(AbstractDistribution):
def __init__(self, value):
self.value = value
def sample(self):
return self.value
def mode(self):
return self.value
class DiagonalGaussianDistribution(object):
def __init__(self, parameters, deterministic=False):
self.parameters = parameters
self.mean, self.logvar = torch.chunk(parameters, 2, dim=1)
self.logvar = torch.clamp(self.logvar, -30.0, 20.0)
self.deterministic = deterministic
self.std = torch.exp(0.5 * self.logvar)
self.var = torch.exp(self.logvar)
if self.deterministic:
self.var = self.std = torch.zeros_like(self.mean).to(device=self.parameters.device)
def sample(self, noise=None):
if noise is None:
noise = torch.randn(self.mean.shape)
x = self.mean + self.std * noise.to(device=self.parameters.device)
return x
def kl(self, other=None):
if self.deterministic:
return torch.Tensor([0.])
else:
if other is None:
return 0.5 * torch.sum(torch.pow(self.mean, 2)
+ self.var - 1.0 - self.logvar,
dim=[1, 2, 3])
else:
return 0.5 * torch.sum(
torch.pow(self.mean - other.mean, 2) / other.var
+ self.var / other.var - 1.0 - self.logvar + other.logvar,
dim=[1, 2, 3])
def nll(self, sample, dims=[1,2,3]):
if self.deterministic:
return torch.Tensor([0.])
logtwopi = np.log(2.0 * np.pi)
return 0.5 * torch.sum(
logtwopi + self.logvar + torch.pow(sample - self.mean, 2) / self.var,
dim=dims)
def mode(self):
return self.mean
def normal_kl(mean1, logvar1, mean2, logvar2):
"""
source: https://github.com/openai/guided-diffusion/blob/27c20a8fab9cb472df5d6bdd6c8d11c8f430b924/guided_diffusion/losses.py#L12
Compute the KL divergence between two gaussians.
Shapes are automatically broadcasted, so batches can be compared to
scalars, among other use cases.
"""
tensor = None
for obj in (mean1, logvar1, mean2, logvar2):
if isinstance(obj, torch.Tensor):
tensor = obj
break
assert tensor is not None, "at least one argument must be a Tensor"
# Force variances to be Tensors. Broadcasting helps convert scalars to
# Tensors, but it does not work for torch.exp().
logvar1, logvar2 = [
x if isinstance(x, torch.Tensor) else torch.tensor(x).to(tensor)
for x in (logvar1, logvar2)
]
return 0.5 * (
-1.0
+ logvar2
- logvar1
+ torch.exp(logvar1 - logvar2)
+ ((mean1 - mean2) ** 2) * torch.exp(-logvar2)
)
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import torch
from torch import nn
class LitEma(nn.Module):
def __init__(self, model, decay=0.9999, use_num_upates=True):
super().__init__()
if decay < 0.0 or decay > 1.0:
raise ValueError('Decay must be between 0 and 1')
self.m_name2s_name = {}
self.register_buffer('decay', torch.tensor(decay, dtype=torch.float32))
self.register_buffer('num_updates', torch.tensor(0,dtype=torch.int) if use_num_upates
else torch.tensor(-1,dtype=torch.int))
for name, p in model.named_parameters():
if p.requires_grad:
#remove as '.'-character is not allowed in buffers
s_name = name.replace('.','')
self.m_name2s_name.update({name:s_name})
self.register_buffer(s_name,p.clone().detach().data)
self.collected_params = []
def forward(self,model):
decay = self.decay
if self.num_updates >= 0:
self.num_updates += 1
decay = min(self.decay,(1 + self.num_updates) / (10 + self.num_updates))
one_minus_decay = 1.0 - decay
with torch.no_grad():
m_param = dict(model.named_parameters())
shadow_params = dict(self.named_buffers())
for key in m_param:
if m_param[key].requires_grad:
sname = self.m_name2s_name[key]
shadow_params[sname] = shadow_params[sname].type_as(m_param[key])
shadow_params[sname].sub_(one_minus_decay * (shadow_params[sname] - m_param[key]))
else:
assert not key in self.m_name2s_name
def copy_to(self, model):
m_param = dict(model.named_parameters())
shadow_params = dict(self.named_buffers())
for key in m_param:
if m_param[key].requires_grad:
m_param[key].data.copy_(shadow_params[self.m_name2s_name[key]].data)
else:
assert not key in self.m_name2s_name
def store(self, parameters):
"""
Save the current parameters for restoring later.
Args:
parameters: Iterable of `torch.nn.Parameter`; the parameters to be
temporarily stored.
"""
self.collected_params = [param.clone() for param in parameters]
def restore(self, parameters):
"""
Restore the parameters stored with the `store` method.
Useful to validate the model with EMA parameters without affecting the
original optimization process. Store the parameters before the
`copy_to` method. After validation (or model saving), use this to
restore the former parameters.
Args:
parameters: Iterable of `torch.nn.Parameter`; the parameters to be
updated with the stored parameters.
"""
for c_param, param in zip(self.collected_params, parameters):
param.data.copy_(c_param.data)
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import os
from contextlib import contextmanager
import torch
import numpy as np
from einops import rearrange
import torch.nn.functional as F
import pytorch_lightning as pl
from ...modules.networks.ae_modules import Encoder, Decoder
from ...distributions import DiagonalGaussianDistribution
from utils.utils import instantiate_from_config
class AutoencoderKL(pl.LightningModule):
def __init__(self,
ddconfig,
lossconfig,
embed_dim,
ckpt_path=None,
ignore_keys=[],
image_key="image",
colorize_nlabels=None,
monitor=None,
test=False,
logdir=None,
input_dim=4,
test_args=None,
):
super().__init__()
self.image_key = image_key
self.encoder = Encoder(**ddconfig)
self.decoder = Decoder(**ddconfig)
self.loss = instantiate_from_config(lossconfig)
assert ddconfig["double_z"]
self.quant_conv = torch.nn.Conv2d(2*ddconfig["z_channels"], 2*embed_dim, 1)
self.post_quant_conv = torch.nn.Conv2d(embed_dim, ddconfig["z_channels"], 1)
self.embed_dim = embed_dim
self.input_dim = input_dim
self.test = test
self.test_args = test_args
self.logdir = logdir
if colorize_nlabels is not None:
assert type(colorize_nlabels)==int
self.register_buffer("colorize", torch.randn(3, colorize_nlabels, 1, 1))
if monitor is not None:
self.monitor = monitor
if ckpt_path is not None:
self.init_from_ckpt(ckpt_path, ignore_keys=ignore_keys)
if self.test:
self.init_test()
def init_test(self,):
self.test = True
save_dir = os.path.join(self.logdir, "test")
if 'ckpt' in self.test_args:
ckpt_name = os.path.basename(self.test_args.ckpt).split('.ckpt')[0] + f'_epoch{self._cur_epoch}'
self.root = os.path.join(save_dir, ckpt_name)
else:
self.root = save_dir
if 'test_subdir' in self.test_args:
self.root = os.path.join(save_dir, self.test_args.test_subdir)
self.root_zs = os.path.join(self.root, "zs")
self.root_dec = os.path.join(self.root, "reconstructions")
self.root_inputs = os.path.join(self.root, "inputs")
os.makedirs(self.root, exist_ok=True)
if self.test_args.save_z:
os.makedirs(self.root_zs, exist_ok=True)
if self.test_args.save_reconstruction:
os.makedirs(self.root_dec, exist_ok=True)
if self.test_args.save_input:
os.makedirs(self.root_inputs, exist_ok=True)
assert(self.test_args is not None)
self.test_maximum = getattr(self.test_args, 'test_maximum', None)
self.count = 0
self.eval_metrics = {}
self.decodes = []
self.save_decode_samples = 2048
def init_from_ckpt(self, path, ignore_keys=list()):
sd = torch.load(path, map_location="cpu")
try:
self._cur_epoch = sd['epoch']
sd = sd["state_dict"]
except:
self._cur_epoch = 'null'
keys = list(sd.keys())
for k in keys:
for ik in ignore_keys:
if k.startswith(ik):
print("Deleting key {} from state_dict.".format(k))
del sd[k]
self.load_state_dict(sd, strict=False)
# self.load_state_dict(sd, strict=True)
print(f"Restored from {path}")
def encode(self, x, **kwargs):
h = self.encoder(x)
moments = self.quant_conv(h)
posterior = DiagonalGaussianDistribution(moments)
return posterior
def decode(self, z, **kwargs):
z = self.post_quant_conv(z)
dec = self.decoder(z)
return dec
def forward(self, input, sample_posterior=True):
posterior = self.encode(input)
if sample_posterior:
z = posterior.sample()
else:
z = posterior.mode()
dec = self.decode(z)
return dec, posterior
def get_input(self, batch, k):
x = batch[k]
if x.dim() == 5 and self.input_dim == 4:
b,c,t,h,w = x.shape
self.b = b
self.t = t
x = rearrange(x, 'b c t h w -> (b t) c h w')
return x
def training_step(self, batch, batch_idx, optimizer_idx):
inputs = self.get_input(batch, self.image_key)
reconstructions, posterior = self(inputs)
if optimizer_idx == 0:
# train encoder+decoder+logvar
aeloss, log_dict_ae = self.loss(inputs, reconstructions, posterior, optimizer_idx, self.global_step,
last_layer=self.get_last_layer(), split="train")
self.log("aeloss", aeloss, prog_bar=True, logger=True, on_step=True, on_epoch=True)
self.log_dict(log_dict_ae, prog_bar=False, logger=True, on_step=True, on_epoch=False)
return aeloss
if optimizer_idx == 1:
# train the discriminator
discloss, log_dict_disc = self.loss(inputs, reconstructions, posterior, optimizer_idx, self.global_step,
last_layer=self.get_last_layer(), split="train")
self.log("discloss", discloss, prog_bar=True, logger=True, on_step=True, on_epoch=True)
self.log_dict(log_dict_disc, prog_bar=False, logger=True, on_step=True, on_epoch=False)
return discloss
def validation_step(self, batch, batch_idx):
inputs = self.get_input(batch, self.image_key)
reconstructions, posterior = self(inputs)
aeloss, log_dict_ae = self.loss(inputs, reconstructions, posterior, 0, self.global_step,
last_layer=self.get_last_layer(), split="val")
discloss, log_dict_disc = self.loss(inputs, reconstructions, posterior, 1, self.global_step,
last_layer=self.get_last_layer(), split="val")
self.log("val/rec_loss", log_dict_ae["val/rec_loss"])
self.log_dict(log_dict_ae)
self.log_dict(log_dict_disc)
return self.log_dict
def configure_optimizers(self):
lr = self.learning_rate
opt_ae = torch.optim.Adam(list(self.encoder.parameters())+
list(self.decoder.parameters())+
list(self.quant_conv.parameters())+
list(self.post_quant_conv.parameters()),
lr=lr, betas=(0.5, 0.9))
opt_disc = torch.optim.Adam(self.loss.discriminator.parameters(),
lr=lr, betas=(0.5, 0.9))
return [opt_ae, opt_disc], []
def get_last_layer(self):
return self.decoder.conv_out.weight
@torch.no_grad()
def log_images(self, batch, only_inputs=False, **kwargs):
log = dict()
x = self.get_input(batch, self.image_key)
x = x.to(self.device)
if not only_inputs:
xrec, posterior = self(x)
if x.shape[1] > 3:
# colorize with random projection
assert xrec.shape[1] > 3
x = self.to_rgb(x)
xrec = self.to_rgb(xrec)
log["samples"] = self.decode(torch.randn_like(posterior.sample()))
log["reconstructions"] = xrec
log["inputs"] = x
return log
def to_rgb(self, x):
assert self.image_key == "segmentation"
if not hasattr(self, "colorize"):
self.register_buffer("colorize", torch.randn(3, x.shape[1], 1, 1).to(x))
x = F.conv2d(x, weight=self.colorize)
x = 2.*(x-x.min())/(x.max()-x.min()) - 1.
return x
class IdentityFirstStage(torch.nn.Module):
def __init__(self, *args, vq_interface=False, **kwargs):
self.vq_interface = vq_interface # TODO: Should be true by default but check to not break older stuff
super().__init__()
def encode(self, x, *args, **kwargs):
return x
def decode(self, x, *args, **kwargs):
return x
def quantize(self, x, *args, **kwargs):
if self.vq_interface:
return x, None, [None, None, None]
return x
def forward(self, x, *args, **kwargs):
return x
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@@ -1,762 +0,0 @@
"""
wild mixture of
https://github.com/openai/improved-diffusion/blob/e94489283bb876ac1477d5dd7709bbbd2d9902ce/improved_diffusion/gaussian_diffusion.py
https://github.com/lucidrains/denoising-diffusion-pytorch/blob/7706bdfc6f527f58d33f84b7b522e61e6e3164b3/denoising_diffusion_pytorch/denoising_diffusion_pytorch.py
https://github.com/CompVis/taming-transformers
-- merci
"""
from functools import partial
from contextlib import contextmanager
import numpy as np
from tqdm import tqdm
from einops import rearrange, repeat
import logging
mainlogger = logging.getLogger('mainlogger')
import torch
import torch.nn as nn
from torchvision.utils import make_grid
from ...utils.utils import instantiate_from_config
from ..ema import LitEma
from ..distributions import DiagonalGaussianDistribution
from ..models.utils_diffusion import make_beta_schedule, rescale_zero_terminal_snr
from ..basics import disabled_train
from ..common import (
extract_into_tensor,
noise_like,
exists,
default
)
__conditioning_keys__ = {'concat': 'c_concat',
'crossattn': 'c_crossattn',
'adm': 'y'}
class DDPM(nn.Module):
# classic DDPM with Gaussian diffusion, in image space
def __init__(self,
unet_config,
timesteps=1000,
beta_schedule="linear",
loss_type="l2",
ckpt_path=None,
ignore_keys=[],
load_only_unet=False,
monitor=None,
use_ema=True,
first_stage_key="image",
image_size=256,
channels=3,
log_every_t=100,
clip_denoised=True,
linear_start=1e-4,
linear_end=2e-2,
cosine_s=8e-3,
given_betas=None,
original_elbo_weight=0.,
v_posterior=0., # weight for choosing posterior variance as sigma = (1-v) * beta_tilde + v * beta
l_simple_weight=1.,
conditioning_key=None,
parameterization="eps", # all assuming fixed variance schedules
scheduler_config=None,
use_positional_encodings=False,
learn_logvar=False,
logvar_init=0.,
rescale_betas_zero_snr=False,
):
super().__init__()
assert parameterization in ["eps", "x0", "v"], 'currently only supporting "eps" and "x0" and "v"'
self.parameterization = parameterization
mainlogger.info(f"{self.__class__.__name__}: Running in {self.parameterization}-prediction mode")
self.cond_stage_model = None
self.clip_denoised = clip_denoised
self.log_every_t = log_every_t
self.first_stage_key = first_stage_key
self.channels = channels
self.temporal_length = unet_config.params.temporal_length
self.image_size = image_size # try conv?
if isinstance(self.image_size, int):
self.image_size = [self.image_size, self.image_size]
self.use_positional_encodings = use_positional_encodings
self.model = DiffusionWrapper(unet_config, conditioning_key)
#count_params(self.model, verbose=True)
self.use_ema = use_ema
self.rescale_betas_zero_snr = rescale_betas_zero_snr
if self.use_ema:
self.model_ema = LitEma(self.model)
mainlogger.info(f"Keeping EMAs of {len(list(self.model_ema.buffers()))}.")
self.use_scheduler = scheduler_config is not None
if self.use_scheduler:
self.scheduler_config = scheduler_config
self.v_posterior = v_posterior
self.original_elbo_weight = original_elbo_weight
self.l_simple_weight = l_simple_weight
if monitor is not None:
self.monitor = monitor
if ckpt_path is not None:
self.init_from_ckpt(ckpt_path, ignore_keys=ignore_keys, only_model=load_only_unet)
self.register_schedule(given_betas=given_betas, beta_schedule=beta_schedule, timesteps=timesteps,
linear_start=linear_start, linear_end=linear_end, cosine_s=cosine_s)
self.loss_type = loss_type
self.learn_logvar = learn_logvar
self.logvar = torch.full(fill_value=logvar_init, size=(self.num_timesteps,))
if self.learn_logvar:
self.logvar = nn.Parameter(self.logvar, requires_grad=True)
def register_schedule(self, given_betas=None, beta_schedule="linear", timesteps=1000,
linear_start=1e-4, linear_end=2e-2, cosine_s=8e-3):
if exists(given_betas):
betas = given_betas
else:
betas = make_beta_schedule(beta_schedule, timesteps, linear_start=linear_start, linear_end=linear_end,
cosine_s=cosine_s)
if self.rescale_betas_zero_snr:
betas = rescale_zero_terminal_snr(betas)
alphas = 1. - betas
alphas_cumprod = np.cumprod(alphas, axis=0)
alphas_cumprod_prev = np.append(1., alphas_cumprod[:-1])
timesteps, = betas.shape
self.num_timesteps = int(timesteps)
self.linear_start = linear_start
self.linear_end = linear_end
assert alphas_cumprod.shape[0] == self.num_timesteps, 'alphas have to be defined for each timestep'
to_torch = partial(torch.tensor, dtype=torch.float32)
self.register_buffer('betas', to_torch(betas))
self.register_buffer('alphas_cumprod', to_torch(alphas_cumprod))
self.register_buffer('alphas_cumprod_prev', to_torch(alphas_cumprod_prev))
# calculations for diffusion q(x_t | x_{t-1}) and others
self.register_buffer('sqrt_alphas_cumprod', to_torch(np.sqrt(alphas_cumprod)))
self.register_buffer('sqrt_one_minus_alphas_cumprod', to_torch(np.sqrt(1. - alphas_cumprod)))
self.register_buffer('log_one_minus_alphas_cumprod', to_torch(np.log(1. - alphas_cumprod)))
if self.parameterization != 'v':
self.register_buffer('sqrt_recip_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod)))
self.register_buffer('sqrt_recipm1_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod - 1)))
else:
self.register_buffer('sqrt_recip_alphas_cumprod', torch.zeros_like(to_torch(alphas_cumprod)))
self.register_buffer('sqrt_recipm1_alphas_cumprod', torch.zeros_like(to_torch(alphas_cumprod)))
# calculations for posterior q(x_{t-1} | x_t, x_0)
posterior_variance = (1 - self.v_posterior) * betas * (1. - alphas_cumprod_prev) / (
1. - alphas_cumprod) + self.v_posterior * betas
# above: equal to 1. / (1. / (1. - alpha_cumprod_tm1) + alpha_t / beta_t)
self.register_buffer('posterior_variance', to_torch(posterior_variance))
# below: log calculation clipped because the posterior variance is 0 at the beginning of the diffusion chain
self.register_buffer('posterior_log_variance_clipped', to_torch(np.log(np.maximum(posterior_variance, 1e-20))))
self.register_buffer('posterior_mean_coef1', to_torch(
betas * np.sqrt(alphas_cumprod_prev) / (1. - alphas_cumprod)))
self.register_buffer('posterior_mean_coef2', to_torch(
(1. - alphas_cumprod_prev) * np.sqrt(alphas) / (1. - alphas_cumprod)))
if self.parameterization == "eps":
lvlb_weights = self.betas ** 2 / (
2 * self.posterior_variance * to_torch(alphas) * (1 - self.alphas_cumprod))
elif self.parameterization == "x0":
lvlb_weights = 0.5 * np.sqrt(torch.Tensor(alphas_cumprod)) / (2. * 1 - torch.Tensor(alphas_cumprod))
elif self.parameterization == "v":
lvlb_weights = torch.ones_like(self.betas ** 2 / (
2 * self.posterior_variance * to_torch(alphas) * (1 - self.alphas_cumprod)))
else:
raise NotImplementedError("mu not supported")
# TODO how to choose this term
lvlb_weights[0] = lvlb_weights[1]
self.register_buffer('lvlb_weights', lvlb_weights, persistent=False)
assert not torch.isnan(self.lvlb_weights).all()
@contextmanager
def ema_scope(self, context=None):
if self.use_ema:
self.model_ema.store(self.model.parameters())
self.model_ema.copy_to(self.model)
if context is not None:
mainlogger.info(f"{context}: Switched to EMA weights")
try:
yield None
finally:
if self.use_ema:
self.model_ema.restore(self.model.parameters())
if context is not None:
mainlogger.info(f"{context}: Restored training weights")
def init_from_ckpt(self, path, ignore_keys=list(), only_model=False):
sd = torch.load(path, map_location="cpu")
if "state_dict" in list(sd.keys()):
sd = sd["state_dict"]
keys = list(sd.keys())
for k in keys:
for ik in ignore_keys:
if k.startswith(ik):
mainlogger.info("Deleting key {} from state_dict.".format(k))
del sd[k]
missing, unexpected = self.load_state_dict(sd, strict=False) if not only_model else self.model.load_state_dict(
sd, strict=False)
mainlogger.info(f"Restored from {path} with {len(missing)} missing and {len(unexpected)} unexpected keys")
if len(missing) > 0:
mainlogger.info(f"Missing Keys: {missing}")
if len(unexpected) > 0:
mainlogger.info(f"Unexpected Keys: {unexpected}")
def q_mean_variance(self, x_start, t):
"""
Get the distribution q(x_t | x_0).
:param x_start: the [N x C x ...] tensor of noiseless inputs.
:param t: the number of diffusion steps (minus 1). Here, 0 means one step.
:return: A tuple (mean, variance, log_variance), all of x_start's shape.
"""
mean = (extract_into_tensor(self.sqrt_alphas_cumprod, t, x_start.shape) * x_start)
variance = extract_into_tensor(1.0 - self.alphas_cumprod, t, x_start.shape)
log_variance = extract_into_tensor(self.log_one_minus_alphas_cumprod, t, x_start.shape)
return mean, variance, log_variance
def predict_start_from_noise(self, x_t, t, noise):
return (
extract_into_tensor(self.sqrt_recip_alphas_cumprod, t, x_t.shape) * x_t -
extract_into_tensor(self.sqrt_recipm1_alphas_cumprod, t, x_t.shape) * noise
)
def predict_start_from_z_and_v(self, x_t, t, v):
# self.register_buffer('sqrt_alphas_cumprod', to_torch(np.sqrt(alphas_cumprod)))
# self.register_buffer('sqrt_one_minus_alphas_cumprod', to_torch(np.sqrt(1. - alphas_cumprod)))
return (
extract_into_tensor(self.sqrt_alphas_cumprod, t, x_t.shape) * x_t -
extract_into_tensor(self.sqrt_one_minus_alphas_cumprod, t, x_t.shape) * v
)
def predict_eps_from_z_and_v(self, x_t, t, v):
return (
extract_into_tensor(self.sqrt_alphas_cumprod, t, x_t.shape) * v +
extract_into_tensor(self.sqrt_one_minus_alphas_cumprod, t, x_t.shape) * x_t
)
def q_posterior(self, x_start, x_t, t):
posterior_mean = (
extract_into_tensor(self.posterior_mean_coef1, t, x_t.shape) * x_start +
extract_into_tensor(self.posterior_mean_coef2, t, x_t.shape) * x_t
)
posterior_variance = extract_into_tensor(self.posterior_variance, t, x_t.shape)
posterior_log_variance_clipped = extract_into_tensor(self.posterior_log_variance_clipped, t, x_t.shape)
return posterior_mean, posterior_variance, posterior_log_variance_clipped
def p_mean_variance(self, x, t, clip_denoised: bool):
model_out = self.model(x, t)
if self.parameterization == "eps":
x_recon = self.predict_start_from_noise(x, t=t, noise=model_out)
elif self.parameterization == "x0":
x_recon = model_out
if clip_denoised:
x_recon.clamp_(-1., 1.)
model_mean, posterior_variance, posterior_log_variance = self.q_posterior(x_start=x_recon, x_t=x, t=t)
return model_mean, posterior_variance, posterior_log_variance
@torch.no_grad()
def p_sample(self, x, t, clip_denoised=True, repeat_noise=False):
b, *_, device = *x.shape, x.device
model_mean, _, model_log_variance = self.p_mean_variance(x=x, t=t, clip_denoised=clip_denoised)
noise = noise_like(x.shape, device, repeat_noise)
# no noise when t == 0
nonzero_mask = (1 - (t == 0).float()).reshape(b, *((1,) * (len(x.shape) - 1)))
return model_mean + nonzero_mask * (0.5 * model_log_variance).exp() * noise
@torch.no_grad()
def p_sample_loop(self, shape, return_intermediates=False):
device = self.betas.device
b = shape[0]
img = torch.randn(shape, device=device)
intermediates = [img]
for i in tqdm(reversed(range(0, self.num_timesteps)), desc='Sampling t', total=self.num_timesteps):
img = self.p_sample(img, torch.full((b,), i, device=device, dtype=torch.long),
clip_denoised=self.clip_denoised)
if i % self.log_every_t == 0 or i == self.num_timesteps - 1:
intermediates.append(img)
if return_intermediates:
return img, intermediates
return img
@torch.no_grad()
def sample(self, batch_size=16, return_intermediates=False):
image_size = self.image_size
channels = self.channels
return self.p_sample_loop((batch_size, channels, image_size, image_size),
return_intermediates=return_intermediates)
def q_sample(self, x_start, t, noise=None):
noise = default(noise, lambda: torch.randn_like(x_start))
return (extract_into_tensor(self.sqrt_alphas_cumprod, t, x_start.shape) * x_start +
extract_into_tensor(self.sqrt_one_minus_alphas_cumprod, t, x_start.shape) * noise)
def get_v(self, x, noise, t):
return (
extract_into_tensor(self.sqrt_alphas_cumprod, t, x.shape) * noise -
extract_into_tensor(self.sqrt_one_minus_alphas_cumprod, t, x.shape) * x
)
def get_input(self, batch, k):
x = batch[k]
x = x.to(memory_format=torch.contiguous_format).float()
return x
def _get_rows_from_list(self, samples):
n_imgs_per_row = len(samples)
denoise_grid = rearrange(samples, 'n b c h w -> b n c h w')
denoise_grid = rearrange(denoise_grid, 'b n c h w -> (b n) c h w')
denoise_grid = make_grid(denoise_grid, nrow=n_imgs_per_row)
return denoise_grid
@torch.no_grad()
def log_images(self, batch, N=8, n_row=2, sample=True, return_keys=None, **kwargs):
log = dict()
x = self.get_input(batch, self.first_stage_key)
N = min(x.shape[0], N)
n_row = min(x.shape[0], n_row)
x = x.to(self.device)[:N]
log["inputs"] = x
# get diffusion row
diffusion_row = list()
x_start = x[:n_row]
for t in range(self.num_timesteps):
if t % self.log_every_t == 0 or t == self.num_timesteps - 1:
t = repeat(torch.tensor([t]), '1 -> b', b=n_row)
t = t.to(self.device).long()
noise = torch.randn_like(x_start)
x_noisy = self.q_sample(x_start=x_start, t=t, noise=noise)
diffusion_row.append(x_noisy)
log["diffusion_row"] = self._get_rows_from_list(diffusion_row)
if sample:
# get denoise row
with self.ema_scope("Plotting"):
samples, denoise_row = self.sample(batch_size=N, return_intermediates=True)
log["samples"] = samples
log["denoise_row"] = self._get_rows_from_list(denoise_row)
if return_keys:
if np.intersect1d(list(log.keys()), return_keys).shape[0] == 0:
return log
else:
return {key: log[key] for key in return_keys}
return log
class LatentDiffusion(DDPM):
"""main class"""
def __init__(self,
first_stage_config,
cond_stage_config,
num_timesteps_cond=None,
cond_stage_key="caption",
cond_stage_trainable=False,
cond_stage_forward=None,
conditioning_key=None,
uncond_prob=0.2,
uncond_type="empty_seq",
scale_factor=1.0,
scale_by_std=False,
encoder_type="2d",
only_model=False,
noise_strength=0,
use_dynamic_rescale=False,
base_scale=0.7,
turning_step=400,
loop_video=False,
fps_condition_type='fs',
perframe_ae=False,
*args, **kwargs):
self.num_timesteps_cond = default(num_timesteps_cond, 1)
self.scale_by_std = scale_by_std
assert self.num_timesteps_cond <= kwargs['timesteps']
# for backwards compatibility after implementation of DiffusionWrapper
ckpt_path = kwargs.pop("ckpt_path", None)
ignore_keys = kwargs.pop("ignore_keys", [])
conditioning_key = default(conditioning_key, 'crossattn')
super().__init__(conditioning_key=conditioning_key, *args, **kwargs)
self.cond_stage_trainable = cond_stage_trainable
self.cond_stage_key = cond_stage_key
self.noise_strength = noise_strength
self.use_dynamic_rescale = use_dynamic_rescale
self.loop_video = loop_video
self.fps_condition_type = fps_condition_type
self.perframe_ae = perframe_ae
try:
self.num_downs = len(first_stage_config.params.ddconfig.ch_mult) - 1
except:
self.num_downs = 0
if not scale_by_std:
self.scale_factor = scale_factor
else:
self.register_buffer('scale_factor', torch.tensor(scale_factor))
if use_dynamic_rescale:
scale_arr1 = np.linspace(1.0, base_scale, turning_step)
scale_arr2 = np.full(self.num_timesteps, base_scale)
scale_arr = np.concatenate((scale_arr1, scale_arr2))
to_torch = partial(torch.tensor, dtype=torch.float32)
self.register_buffer('scale_arr', to_torch(scale_arr))
self.instantiate_first_stage(first_stage_config)
self.instantiate_cond_stage(cond_stage_config)
self.first_stage_config = first_stage_config
self.cond_stage_config = cond_stage_config
self.clip_denoised = False
self.cond_stage_forward = cond_stage_forward
self.encoder_type = encoder_type
assert(encoder_type in ["2d", "3d"])
self.uncond_prob = uncond_prob
self.classifier_free_guidance = True if uncond_prob > 0 else False
assert(uncond_type in ["zero_embed", "empty_seq"])
self.uncond_type = uncond_type
self.restarted_from_ckpt = False
if ckpt_path is not None:
self.init_from_ckpt(ckpt_path, ignore_keys, only_model=only_model)
self.restarted_from_ckpt = True
def make_cond_schedule(self, ):
self.cond_ids = torch.full(size=(self.num_timesteps,), fill_value=self.num_timesteps - 1, dtype=torch.long)
ids = torch.round(torch.linspace(0, self.num_timesteps - 1, self.num_timesteps_cond)).long()
self.cond_ids[:self.num_timesteps_cond] = ids
def instantiate_first_stage(self, config):
model = instantiate_from_config(config)
self.first_stage_model = model.eval()
self.first_stage_model.train = disabled_train
for param in self.first_stage_model.parameters():
param.requires_grad = False
def instantiate_cond_stage(self, config):
if not self.cond_stage_trainable:
model = instantiate_from_config(config)
self.cond_stage_model = model.eval()
self.cond_stage_model.train = disabled_train
for param in self.cond_stage_model.parameters():
param.requires_grad = False
else:
model = instantiate_from_config(config)
self.cond_stage_model = model
def get_learned_conditioning(self, c):
if self.cond_stage_forward is None:
if hasattr(self.cond_stage_model, 'encode') and callable(self.cond_stage_model.encode):
c = self.cond_stage_model.encode(c)
if isinstance(c, DiagonalGaussianDistribution):
c = c.mode()
else:
c = self.cond_stage_model(c)
else:
assert hasattr(self.cond_stage_model, self.cond_stage_forward)
c = getattr(self.cond_stage_model, self.cond_stage_forward)(c)
return c
def get_first_stage_encoding(self, encoder_posterior, noise=None):
if isinstance(encoder_posterior, DiagonalGaussianDistribution):
z = encoder_posterior.sample(noise=noise)
elif isinstance(encoder_posterior, torch.Tensor):
z = encoder_posterior
else:
raise NotImplementedError(f"encoder_posterior of type '{type(encoder_posterior)}' not yet implemented")
return self.scale_factor * z
@torch.no_grad()
def encode_first_stage(self, x):
if self.encoder_type == "2d" and x.dim() == 5:
b, _, t, _, _ = x.shape
x = rearrange(x, 'b c t h w -> (b t) c h w')
reshape_back = True
else:
reshape_back = False
## consume more GPU memory but faster
if not self.perframe_ae:
encoder_posterior = self.first_stage_model.encode(x)
results = self.get_first_stage_encoding(encoder_posterior).detach()
else: ## consume less GPU memory but slower
results = []
for index in range(x.shape[0]):
frame_batch = self.first_stage_model.encode(x[index:index+1,:,:,:])
frame_result = self.get_first_stage_encoding(frame_batch).detach()
results.append(frame_result)
results = torch.cat(results, dim=0)
if reshape_back:
results = rearrange(results, '(b t) c h w -> b c t h w', b=b,t=t)
return results
def decode_core(self, z, **kwargs):
if self.encoder_type == "2d" and z.dim() == 5:
b, _, t, _, _ = z.shape
z = rearrange(z, 'b c t h w -> (b t) c h w')
reshape_back = True
else:
reshape_back = False
if not self.perframe_ae:
z = 1. / self.scale_factor * z
results = self.first_stage_model.decode(z, **kwargs)
else:
results = []
for index in range(z.shape[0]):
frame_z = 1. / self.scale_factor * z[index:index+1,:,:,:]
frame_result = self.first_stage_model.decode(frame_z, **kwargs)
results.append(frame_result)
results = torch.cat(results, dim=0)
if reshape_back:
results = rearrange(results, '(b t) c h w -> b c t h w', b=b,t=t)
return results
@torch.no_grad()
def decode_first_stage(self, z, **kwargs):
return self.decode_core(z, **kwargs)
# same as above but without decorator
def differentiable_decode_first_stage(self, z, **kwargs):
return self.decode_core(z, **kwargs)
def forward(self, x, c, **kwargs):
t = torch.randint(0, self.num_timesteps, (x.shape[0],), device=self.device).long()
if self.use_dynamic_rescale:
x = x * extract_into_tensor(self.scale_arr, t, x.shape)
return self.p_losses(x, c, t, **kwargs)
def apply_model(self, x_noisy, t, cond, **kwargs):
if isinstance(cond, dict):
# hybrid case, cond is exptected to be a dict
pass
else:
if not isinstance(cond, list):
cond = [cond]
key = 'c_concat' if self.model.conditioning_key == 'concat' else 'c_crossattn'
cond = {key: cond}
x_recon = self.model(x_noisy, t, **cond, **kwargs)
if isinstance(x_recon, tuple):
return x_recon[0]
else:
return x_recon
def _get_denoise_row_from_list(self, samples, desc=''):
denoise_row = []
for zd in tqdm(samples, desc=desc):
denoise_row.append(self.decode_first_stage(zd.to(self.device)))
n_log_timesteps = len(denoise_row)
denoise_row = torch.stack(denoise_row) # n_log_timesteps, b, C, H, W
if denoise_row.dim() == 5:
denoise_grid = rearrange(denoise_row, 'n b c h w -> b n c h w')
denoise_grid = rearrange(denoise_grid, 'b n c h w -> (b n) c h w')
denoise_grid = make_grid(denoise_grid, nrow=n_log_timesteps)
elif denoise_row.dim() == 6:
# video, grid_size=[n_log_timesteps*bs, t]
video_length = denoise_row.shape[3]
denoise_grid = rearrange(denoise_row, 'n b c t h w -> b n c t h w')
denoise_grid = rearrange(denoise_grid, 'b n c t h w -> (b n) c t h w')
denoise_grid = rearrange(denoise_grid, 'n c t h w -> (n t) c h w')
denoise_grid = make_grid(denoise_grid, nrow=video_length)
else:
raise ValueError
return denoise_grid
def p_mean_variance(self, x, c, t, clip_denoised: bool, return_x0=False, score_corrector=None, corrector_kwargs=None, **kwargs):
t_in = t
model_out = self.apply_model(x, t_in, c, **kwargs)
if score_corrector is not None:
assert self.parameterization == "eps"
model_out = score_corrector.modify_score(self, model_out, x, t, c, **corrector_kwargs)
if self.parameterization == "eps":
x_recon = self.predict_start_from_noise(x, t=t, noise=model_out)
elif self.parameterization == "x0":
x_recon = model_out
else:
raise NotImplementedError()
if clip_denoised:
x_recon.clamp_(-1., 1.)
model_mean, posterior_variance, posterior_log_variance = self.q_posterior(x_start=x_recon, x_t=x, t=t)
if return_x0:
return model_mean, posterior_variance, posterior_log_variance, x_recon
else:
return model_mean, posterior_variance, posterior_log_variance
@torch.no_grad()
def p_sample(self, x, c, t, clip_denoised=False, repeat_noise=False, return_x0=False, \
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None, **kwargs):
b, *_, device = *x.shape, x.device
outputs = self.p_mean_variance(x=x, c=c, t=t, clip_denoised=clip_denoised, return_x0=return_x0, \
score_corrector=score_corrector, corrector_kwargs=corrector_kwargs, **kwargs)
if return_x0:
model_mean, _, model_log_variance, x0 = outputs
else:
model_mean, _, model_log_variance = outputs
noise = noise_like(x.shape, device, repeat_noise) * temperature
if noise_dropout > 0.:
noise = torch.nn.functional.dropout(noise, p=noise_dropout)
# no noise when t == 0
nonzero_mask = (1 - (t == 0).float()).reshape(b, *((1,) * (len(x.shape) - 1)))
if return_x0:
return model_mean + nonzero_mask * (0.5 * model_log_variance).exp() * noise, x0
else:
return model_mean + nonzero_mask * (0.5 * model_log_variance).exp() * noise
@torch.no_grad()
def p_sample_loop(self, cond, shape, return_intermediates=False, x_T=None, verbose=True, callback=None, \
timesteps=None, mask=None, x0=None, img_callback=None, start_T=None, log_every_t=None, **kwargs):
if not log_every_t:
log_every_t = self.log_every_t
device = self.betas.device
b = shape[0]
# sample an initial noise
if x_T is None:
img = torch.randn(shape, device=device)
else:
img = x_T
intermediates = [img]
if timesteps is None:
timesteps = self.num_timesteps
if start_T is not None:
timesteps = min(timesteps, start_T)
iterator = tqdm(reversed(range(0, timesteps)), desc='Sampling t', total=timesteps) if verbose else reversed(range(0, timesteps))
if mask is not None:
assert x0 is not None
assert x0.shape[2:3] == mask.shape[2:3] # spatial size has to match
for i in iterator:
ts = torch.full((b,), i, device=device, dtype=torch.long)
if self.shorten_cond_schedule:
assert self.model.conditioning_key != 'hybrid'
tc = self.cond_ids[ts].to(cond.device)
cond = self.q_sample(x_start=cond, t=tc, noise=torch.randn_like(cond))
img = self.p_sample(img, cond, ts, clip_denoised=self.clip_denoised, **kwargs)
if mask is not None:
img_orig = self.q_sample(x0, ts)
img = img_orig * mask + (1. - mask) * img
if i % log_every_t == 0 or i == timesteps - 1:
intermediates.append(img)
if callback: callback(i)
if img_callback: img_callback(img, i)
if return_intermediates:
return img, intermediates
return img
class LatentVisualDiffusion(LatentDiffusion):
def __init__(self, img_cond_stage_config, image_proj_stage_config, freeze_embedder=True, *args, **kwargs):
super().__init__(*args, **kwargs)
self._init_embedder(img_cond_stage_config, freeze_embedder)
self.image_proj_model = instantiate_from_config(image_proj_stage_config)
def _init_embedder(self, config, freeze=True):
embedder = instantiate_from_config(config)
if freeze:
self.embedder = embedder.eval()
self.embedder.train = disabled_train
for param in self.embedder.parameters():
param.requires_grad = False
class DiffusionWrapper(nn.Module):
def __init__(self, diff_model_config, conditioning_key):
super().__init__()
self.diffusion_model = instantiate_from_config(diff_model_config)
self.conditioning_key = conditioning_key
def forward(self, x, t, c_concat: list = None, c_crossattn: list = None,
c_adm=None, s=None, mask=None, **kwargs):
# temporal_context = fps is foNone
if self.conditioning_key is None:
out = self.diffusion_model(x, t)
elif self.conditioning_key == 'concat':
xc = torch.cat([x] + c_concat, dim=1)
out = self.diffusion_model(xc, t, **kwargs)
elif self.conditioning_key == 'crossattn':
cc = torch.cat(c_crossattn, 1)
out = self.diffusion_model(x, t, context=cc, **kwargs)
elif self.conditioning_key == 'hybrid':
## it is just right [b,c,t,h,w]: concatenate in channel dim
xc = torch.cat([x] + c_concat, dim=1)
cc = torch.cat(c_crossattn, 1)
out = self.diffusion_model(xc, t, context=cc, **kwargs)
elif self.conditioning_key == 'resblockcond':
cc = c_crossattn[0]
out = self.diffusion_model(x, t, context=cc)
elif self.conditioning_key == 'adm':
cc = c_crossattn[0]
out = self.diffusion_model(x, t, y=cc)
elif self.conditioning_key == 'hybrid-adm':
assert c_adm is not None
xc = torch.cat([x] + c_concat, dim=1)
cc = torch.cat(c_crossattn, 1)
out = self.diffusion_model(xc, t, context=cc, y=c_adm, **kwargs)
elif self.conditioning_key == 'hybrid-time':
assert s is not None
xc = torch.cat([x] + c_concat, dim=1)
cc = torch.cat(c_crossattn, 1)
out = self.diffusion_model(xc, t, context=cc, s=s)
elif self.conditioning_key == 'concat-time-mask':
# assert s is not None
xc = torch.cat([x] + c_concat, dim=1)
out = self.diffusion_model(xc, t, context=None, s=s, mask=mask)
elif self.conditioning_key == 'concat-adm-mask':
# assert s is not None
if c_concat is not None:
xc = torch.cat([x] + c_concat, dim=1)
else:
xc = x
out = self.diffusion_model(xc, t, context=None, y=s, mask=mask)
elif self.conditioning_key == 'hybrid-adm-mask':
cc = torch.cat(c_crossattn, 1)
if c_concat is not None:
xc = torch.cat([x] + c_concat, dim=1)
else:
xc = x
out = self.diffusion_model(xc, t, context=cc, y=s, mask=mask)
elif self.conditioning_key == 'hybrid-time-adm': # adm means y, e.g., class index
# assert s is not None
assert c_adm is not None
xc = torch.cat([x] + c_concat, dim=1)
cc = torch.cat(c_crossattn, 1)
out = self.diffusion_model(xc, t, context=cc, s=s, y=c_adm)
elif self.conditioning_key == 'crossattn-adm':
assert c_adm is not None
cc = torch.cat(c_crossattn, 1)
out = self.diffusion_model(x, t, context=cc, y=c_adm)
else:
raise NotImplementedError()
return out
@@ -1,317 +0,0 @@
import numpy as np
from tqdm import tqdm
import torch
from ..models.utils_diffusion import make_ddim_sampling_parameters, make_ddim_timesteps, rescale_noise_cfg
from ..common import noise_like
from ..common import extract_into_tensor
import copy
class DDIMSampler(object):
def __init__(self, model, schedule="linear", **kwargs):
super().__init__()
self.model = model
self.ddpm_num_timesteps = model.num_timesteps
self.schedule = schedule
self.counter = 0
def register_buffer(self, name, attr):
if type(attr) == torch.Tensor:
if attr.device != torch.device("cuda"):
attr = attr.to(torch.device("cuda"))
setattr(self, name, attr)
def make_schedule(self, ddim_num_steps, ddim_discretize="uniform", ddim_eta=0., verbose=True):
self.ddim_timesteps = make_ddim_timesteps(ddim_discr_method=ddim_discretize, num_ddim_timesteps=ddim_num_steps,
num_ddpm_timesteps=self.ddpm_num_timesteps,verbose=verbose)
alphas_cumprod = self.model.alphas_cumprod
assert alphas_cumprod.shape[0] == self.ddpm_num_timesteps, 'alphas have to be defined for each timestep'
to_torch = lambda x: x.clone().detach().to(torch.float32).to(self.model.device)
if self.model.use_dynamic_rescale:
self.ddim_scale_arr = self.model.scale_arr[self.ddim_timesteps]
self.ddim_scale_arr_prev = torch.cat([self.ddim_scale_arr[0:1], self.ddim_scale_arr[:-1]])
self.register_buffer('betas', to_torch(self.model.betas))
self.register_buffer('alphas_cumprod', to_torch(alphas_cumprod))
self.register_buffer('alphas_cumprod_prev', to_torch(self.model.alphas_cumprod_prev))
# calculations for diffusion q(x_t | x_{t-1}) and others
self.register_buffer('sqrt_alphas_cumprod', to_torch(np.sqrt(alphas_cumprod.cpu())))
self.register_buffer('sqrt_one_minus_alphas_cumprod', to_torch(np.sqrt(1. - alphas_cumprod.cpu())))
self.register_buffer('log_one_minus_alphas_cumprod', to_torch(np.log(1. - alphas_cumprod.cpu())))
self.register_buffer('sqrt_recip_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod.cpu())))
self.register_buffer('sqrt_recipm1_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod.cpu() - 1)))
# ddim sampling parameters
ddim_sigmas, ddim_alphas, ddim_alphas_prev = make_ddim_sampling_parameters(alphacums=alphas_cumprod.cpu(),
ddim_timesteps=self.ddim_timesteps,
eta=ddim_eta,verbose=verbose)
self.register_buffer('ddim_sigmas', ddim_sigmas)
self.register_buffer('ddim_alphas', ddim_alphas)
self.register_buffer('ddim_alphas_prev', ddim_alphas_prev)
self.register_buffer('ddim_sqrt_one_minus_alphas', np.sqrt(1. - ddim_alphas))
sigmas_for_original_sampling_steps = ddim_eta * torch.sqrt(
(1 - self.alphas_cumprod_prev) / (1 - self.alphas_cumprod) * (
1 - self.alphas_cumprod / self.alphas_cumprod_prev))
self.register_buffer('ddim_sigmas_for_original_num_steps', sigmas_for_original_sampling_steps)
@torch.no_grad()
def sample(self,
S,
batch_size,
shape,
conditioning=None,
callback=None,
normals_sequence=None,
img_callback=None,
quantize_x0=False,
eta=0.,
mask=None,
x0=None,
temperature=1.,
noise_dropout=0.,
score_corrector=None,
corrector_kwargs=None,
verbose=True,
schedule_verbose=False,
x_T=None,
log_every_t=100,
unconditional_guidance_scale=1.,
unconditional_conditioning=None,
precision=None,
fs=None,
timestep_spacing='uniform', #uniform_trailing for starting from last timestep
guidance_rescale=0.0,
**kwargs
):
# check condition bs
if conditioning is not None:
if isinstance(conditioning, dict):
try:
cbs = conditioning[list(conditioning.keys())[0]].shape[0]
except:
cbs = conditioning[list(conditioning.keys())[0]][0].shape[0]
if cbs != batch_size:
print(f"Warning: Got {cbs} conditionings but batch-size is {batch_size}")
else:
if conditioning.shape[0] != batch_size:
print(f"Warning: Got {conditioning.shape[0]} conditionings but batch-size is {batch_size}")
self.make_schedule(ddim_num_steps=S, ddim_discretize=timestep_spacing, ddim_eta=eta, verbose=schedule_verbose)
# make shape
if len(shape) == 3:
C, H, W = shape
size = (batch_size, C, H, W)
elif len(shape) == 4:
C, T, H, W = shape
size = (batch_size, C, T, H, W)
samples, intermediates = self.ddim_sampling(conditioning, size,
callback=callback,
img_callback=img_callback,
quantize_denoised=quantize_x0,
mask=mask, x0=x0,
ddim_use_original_steps=False,
noise_dropout=noise_dropout,
temperature=temperature,
score_corrector=score_corrector,
corrector_kwargs=corrector_kwargs,
x_T=x_T,
log_every_t=log_every_t,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning,
verbose=verbose,
precision=precision,
fs=fs,
guidance_rescale=guidance_rescale,
**kwargs)
return samples, intermediates
@torch.no_grad()
def ddim_sampling(self, cond, shape,
x_T=None, ddim_use_original_steps=False,
callback=None, timesteps=None, quantize_denoised=False,
mask=None, x0=None, img_callback=None, log_every_t=100,
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None,
unconditional_guidance_scale=1., unconditional_conditioning=None, verbose=True,precision=None,fs=None,guidance_rescale=0.0,
**kwargs):
device = self.model.betas.device
b = shape[0]
if x_T is None:
img = torch.randn(shape, device=device)
else:
img = x_T
if precision is not None:
if precision == 16:
img = img.to(dtype=torch.float16)
if timesteps is None:
timesteps = self.ddpm_num_timesteps if ddim_use_original_steps else self.ddim_timesteps
elif timesteps is not None and not ddim_use_original_steps:
subset_end = int(min(timesteps / self.ddim_timesteps.shape[0], 1) * self.ddim_timesteps.shape[0]) - 1
timesteps = self.ddim_timesteps[:subset_end]
intermediates = {'x_inter': [img], 'pred_x0': [img]}
time_range = reversed(range(0,timesteps)) if ddim_use_original_steps else np.flip(timesteps)
total_steps = timesteps if ddim_use_original_steps else timesteps.shape[0]
if verbose:
iterator = tqdm(time_range, desc='DDIM Sampler', total=total_steps)
else:
iterator = time_range
clean_cond = kwargs.pop("clean_cond", False)
# cond_copy, unconditional_conditioning_copy = copy.deepcopy(cond), copy.deepcopy(unconditional_conditioning)
for i, step in enumerate(iterator):
index = total_steps - i - 1
ts = torch.full((b,), step, device=device, dtype=torch.long)
## use mask to blend noised original latent (img_orig) & new sampled latent (img)
if mask is not None:
assert x0 is not None
if clean_cond:
img_orig = x0
else:
img_orig = self.model.q_sample(x0, ts) # TODO: deterministic forward pass? <ddim inversion>
img = img_orig * mask + (1. - mask) * img # keep original & modify use img
outs = self.p_sample_ddim(img, cond, ts, index=index, use_original_steps=ddim_use_original_steps,
quantize_denoised=quantize_denoised, temperature=temperature,
noise_dropout=noise_dropout, score_corrector=score_corrector,
corrector_kwargs=corrector_kwargs,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning,
mask=mask,x0=x0,fs=fs,guidance_rescale=guidance_rescale,
**kwargs)
img, pred_x0 = outs
if callback: callback(i)
if img_callback: img_callback(pred_x0, i)
if index % log_every_t == 0 or index == total_steps - 1:
intermediates['x_inter'].append(img)
intermediates['pred_x0'].append(pred_x0)
return img, intermediates
@torch.no_grad()
def p_sample_ddim(self, x, c, t, index, repeat_noise=False, use_original_steps=False, quantize_denoised=False,
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None,
unconditional_guidance_scale=1., unconditional_conditioning=None,
uc_type=None, conditional_guidance_scale_temporal=None,mask=None,x0=None,guidance_rescale=0.0,**kwargs):
b, *_, device = *x.shape, x.device
if x.dim() == 5:
is_video = True
else:
is_video = False
if unconditional_conditioning is None or unconditional_guidance_scale == 1.:
model_output = self.model.apply_model(x, t, c, **kwargs) # unet denoiser
else:
### do_classifier_free_guidance
if isinstance(c, torch.Tensor) or isinstance(c, dict):
e_t_cond = self.model.apply_model(x, t, c, **kwargs)
e_t_uncond = self.model.apply_model(x, t, unconditional_conditioning, **kwargs)
else:
raise NotImplementedError
model_output = e_t_uncond + unconditional_guidance_scale * (e_t_cond - e_t_uncond)
if guidance_rescale > 0.0:
model_output = rescale_noise_cfg(model_output, e_t_cond, guidance_rescale=guidance_rescale)
if self.model.parameterization == "v":
e_t = self.model.predict_eps_from_z_and_v(x, t, model_output)
else:
e_t = model_output
if score_corrector is not None:
assert self.model.parameterization == "eps", 'not implemented'
e_t = score_corrector.modify_score(self.model, e_t, x, t, c, **corrector_kwargs)
alphas = self.model.alphas_cumprod if use_original_steps else self.ddim_alphas
alphas_prev = self.model.alphas_cumprod_prev if use_original_steps else self.ddim_alphas_prev
sqrt_one_minus_alphas = self.model.sqrt_one_minus_alphas_cumprod if use_original_steps else self.ddim_sqrt_one_minus_alphas
# sigmas = self.model.ddim_sigmas_for_original_num_steps if use_original_steps else self.ddim_sigmas
sigmas = self.ddim_sigmas_for_original_num_steps if use_original_steps else self.ddim_sigmas
# select parameters corresponding to the currently considered timestep
if is_video:
size = (b, 1, 1, 1, 1)
else:
size = (b, 1, 1, 1)
a_t = torch.full(size, alphas[index], device=device)
a_prev = torch.full(size, alphas_prev[index], device=device)
sigma_t = torch.full(size, sigmas[index], device=device)
sqrt_one_minus_at = torch.full(size, sqrt_one_minus_alphas[index],device=device)
# current prediction for x_0
if self.model.parameterization != "v":
pred_x0 = (x - sqrt_one_minus_at * e_t) / a_t.sqrt()
else:
pred_x0 = self.model.predict_start_from_z_and_v(x, t, model_output)
if self.model.use_dynamic_rescale:
scale_t = torch.full(size, self.ddim_scale_arr[index], device=device)
prev_scale_t = torch.full(size, self.ddim_scale_arr_prev[index], device=device)
rescale = (prev_scale_t / scale_t)
pred_x0 *= rescale
if quantize_denoised:
pred_x0, _, *_ = self.model.first_stage_model.quantize(pred_x0)
# direction pointing to x_t
dir_xt = (1. - a_prev - sigma_t**2).sqrt() * e_t
noise = sigma_t * noise_like(x.shape, device, repeat_noise) * temperature
if noise_dropout > 0.:
noise = torch.nn.functional.dropout(noise, p=noise_dropout)
x_prev = a_prev.sqrt() * pred_x0 + dir_xt + noise
return x_prev, pred_x0
@torch.no_grad()
def decode(self, x_latent, cond, t_start, unconditional_guidance_scale=1.0, unconditional_conditioning=None,
use_original_steps=False, callback=None):
timesteps = np.arange(self.ddpm_num_timesteps) if use_original_steps else self.ddim_timesteps
timesteps = timesteps[:t_start]
time_range = np.flip(timesteps)
total_steps = timesteps.shape[0]
print(f"Running DDIM Sampling with {total_steps} timesteps")
iterator = tqdm(time_range, desc='Decoding image', total=total_steps)
x_dec = x_latent
for i, step in enumerate(iterator):
index = total_steps - i - 1
ts = torch.full((x_latent.shape[0],), step, device=x_latent.device, dtype=torch.long)
x_dec, _ = self.p_sample_ddim(x_dec, cond, ts, index=index, use_original_steps=use_original_steps,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning)
if callback: callback(i)
return x_dec
@torch.no_grad()
def stochastic_encode(self, x0, t, use_original_steps=False, noise=None):
# fast, but does not allow for exact reconstruction
# t serves as an index to gather the correct alphas
if use_original_steps:
sqrt_alphas_cumprod = self.sqrt_alphas_cumprod
sqrt_one_minus_alphas_cumprod = self.sqrt_one_minus_alphas_cumprod
else:
sqrt_alphas_cumprod = torch.sqrt(self.ddim_alphas)
sqrt_one_minus_alphas_cumprod = self.ddim_sqrt_one_minus_alphas
if noise is None:
noise = torch.randn_like(x0)
return (extract_into_tensor(sqrt_alphas_cumprod, t, x0.shape) * x0 +
extract_into_tensor(sqrt_one_minus_alphas_cumprod, t, x0.shape) * noise)
@@ -1,323 +0,0 @@
import numpy as np
from tqdm import tqdm
import torch
from ...models.utils_diffusion import make_ddim_sampling_parameters, make_ddim_timesteps, rescale_noise_cfg
from ..common import noise_like
from ..common import extract_into_tensor
import copy
class DDIMSampler(object):
def __init__(self, model, schedule="linear", **kwargs):
super().__init__()
self.model = model
self.ddpm_num_timesteps = model.num_timesteps
self.schedule = schedule
self.counter = 0
def register_buffer(self, name, attr):
if type(attr) == torch.Tensor:
if attr.device != torch.device("cuda"):
attr = attr.to(torch.device("cuda"))
setattr(self, name, attr)
def make_schedule(self, ddim_num_steps, ddim_discretize="uniform", ddim_eta=0., verbose=True):
self.ddim_timesteps = make_ddim_timesteps(ddim_discr_method=ddim_discretize, num_ddim_timesteps=ddim_num_steps,
num_ddpm_timesteps=self.ddpm_num_timesteps,verbose=verbose)
alphas_cumprod = self.model.alphas_cumprod
assert alphas_cumprod.shape[0] == self.ddpm_num_timesteps, 'alphas have to be defined for each timestep'
to_torch = lambda x: x.clone().detach().to(torch.float32).to(self.model.device)
if self.model.use_dynamic_rescale:
self.ddim_scale_arr = self.model.scale_arr[self.ddim_timesteps]
self.ddim_scale_arr_prev = torch.cat([self.ddim_scale_arr[0:1], self.ddim_scale_arr[:-1]])
self.register_buffer('betas', to_torch(self.model.betas))
self.register_buffer('alphas_cumprod', to_torch(alphas_cumprod))
self.register_buffer('alphas_cumprod_prev', to_torch(self.model.alphas_cumprod_prev))
# calculations for diffusion q(x_t | x_{t-1}) and others
self.register_buffer('sqrt_alphas_cumprod', to_torch(np.sqrt(alphas_cumprod.cpu())))
self.register_buffer('sqrt_one_minus_alphas_cumprod', to_torch(np.sqrt(1. - alphas_cumprod.cpu())))
self.register_buffer('log_one_minus_alphas_cumprod', to_torch(np.log(1. - alphas_cumprod.cpu())))
self.register_buffer('sqrt_recip_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod.cpu())))
self.register_buffer('sqrt_recipm1_alphas_cumprod', to_torch(np.sqrt(1. / alphas_cumprod.cpu() - 1)))
# ddim sampling parameters
ddim_sigmas, ddim_alphas, ddim_alphas_prev = make_ddim_sampling_parameters(alphacums=alphas_cumprod.cpu(),
ddim_timesteps=self.ddim_timesteps,
eta=ddim_eta,verbose=verbose)
self.register_buffer('ddim_sigmas', ddim_sigmas)
self.register_buffer('ddim_alphas', ddim_alphas)
self.register_buffer('ddim_alphas_prev', ddim_alphas_prev)
self.register_buffer('ddim_sqrt_one_minus_alphas', np.sqrt(1. - ddim_alphas))
sigmas_for_original_sampling_steps = ddim_eta * torch.sqrt(
(1 - self.alphas_cumprod_prev) / (1 - self.alphas_cumprod) * (
1 - self.alphas_cumprod / self.alphas_cumprod_prev))
self.register_buffer('ddim_sigmas_for_original_num_steps', sigmas_for_original_sampling_steps)
@torch.no_grad()
def sample(self,
S,
batch_size,
shape,
conditioning=None,
callback=None,
normals_sequence=None,
img_callback=None,
quantize_x0=False,
eta=0.,
mask=None,
x0=None,
temperature=1.,
noise_dropout=0.,
score_corrector=None,
corrector_kwargs=None,
verbose=True,
schedule_verbose=False,
x_T=None,
log_every_t=100,
unconditional_guidance_scale=1.,
unconditional_conditioning=None,
precision=None,
fs=None,
timestep_spacing='uniform', #uniform_trailing for starting from last timestep
guidance_rescale=0.0,
# this has to come in the same format as the conditioning, # e.g. as encoded tokens, ...
**kwargs
):
# check condition bs
if conditioning is not None:
if isinstance(conditioning, dict):
try:
cbs = conditioning[list(conditioning.keys())[0]].shape[0]
except:
cbs = conditioning[list(conditioning.keys())[0]][0].shape[0]
if cbs != batch_size:
print(f"Warning: Got {cbs} conditionings but batch-size is {batch_size}")
else:
if conditioning.shape[0] != batch_size:
print(f"Warning: Got {conditioning.shape[0]} conditionings but batch-size is {batch_size}")
# print('==> timestep_spacing: ', timestep_spacing, guidance_rescale)
self.make_schedule(ddim_num_steps=S, ddim_discretize=timestep_spacing, ddim_eta=eta, verbose=schedule_verbose)
# make shape
if len(shape) == 3:
C, H, W = shape
size = (batch_size, C, H, W)
elif len(shape) == 4:
C, T, H, W = shape
size = (batch_size, C, T, H, W)
# print(f'Data shape for DDIM sampling is {size}, eta {eta}')
samples, intermediates = self.ddim_sampling(conditioning, size,
callback=callback,
img_callback=img_callback,
quantize_denoised=quantize_x0,
mask=mask, x0=x0,
ddim_use_original_steps=False,
noise_dropout=noise_dropout,
temperature=temperature,
score_corrector=score_corrector,
corrector_kwargs=corrector_kwargs,
x_T=x_T,
log_every_t=log_every_t,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning,
verbose=verbose,
precision=precision,
fs=fs,
guidance_rescale=guidance_rescale,
**kwargs)
return samples, intermediates
@torch.no_grad()
def ddim_sampling(self, cond, shape,
x_T=None, ddim_use_original_steps=False,
callback=None, timesteps=None, quantize_denoised=False,
mask=None, x0=None, img_callback=None, log_every_t=100,
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None,
unconditional_guidance_scale=1., unconditional_conditioning=None, verbose=True,precision=None,fs=None,guidance_rescale=0.0,
**kwargs):
device = self.model.betas.device
b = shape[0]
if x_T is None:
img = torch.randn(shape, device=device)
else:
img = x_T
if precision is not None:
if precision == 16:
img = img.to(dtype=torch.float16)
if timesteps is None:
timesteps = self.ddpm_num_timesteps if ddim_use_original_steps else self.ddim_timesteps
elif timesteps is not None and not ddim_use_original_steps:
subset_end = int(min(timesteps / self.ddim_timesteps.shape[0], 1) * self.ddim_timesteps.shape[0]) - 1
timesteps = self.ddim_timesteps[:subset_end]
intermediates = {'x_inter': [img], 'pred_x0': [img]}
time_range = reversed(range(0,timesteps)) if ddim_use_original_steps else np.flip(timesteps)
total_steps = timesteps if ddim_use_original_steps else timesteps.shape[0]
if verbose:
iterator = tqdm(time_range, desc='DDIM Sampler', total=total_steps)
else:
iterator = time_range
clean_cond = kwargs.pop("clean_cond", False)
# cond_copy, unconditional_conditioning_copy = copy.deepcopy(cond), copy.deepcopy(unconditional_conditioning)
for i, step in enumerate(iterator):
index = total_steps - i - 1
ts = torch.full((b,), step, device=device, dtype=torch.long)
## use mask to blend noised original latent (img_orig) & new sampled latent (img)
if mask is not None:
assert x0 is not None
if clean_cond:
img_orig = x0
else:
img_orig = self.model.q_sample(x0, ts) # TODO: deterministic forward pass? <ddim inversion>
img = img_orig * mask + (1. - mask) * img # keep original & modify use img
outs = self.p_sample_ddim(img, cond, ts, index=index, use_original_steps=ddim_use_original_steps,
quantize_denoised=quantize_denoised, temperature=temperature,
noise_dropout=noise_dropout, score_corrector=score_corrector,
corrector_kwargs=corrector_kwargs,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning,
mask=mask,x0=x0,fs=fs,guidance_rescale=guidance_rescale,
**kwargs)
img, pred_x0 = outs
if callback: callback(i)
if img_callback: img_callback(pred_x0, i)
if index % log_every_t == 0 or index == total_steps - 1:
intermediates['x_inter'].append(img)
intermediates['pred_x0'].append(pred_x0)
return img, intermediates
@torch.no_grad()
def p_sample_ddim(self, x, c, t, index, repeat_noise=False, use_original_steps=False, quantize_denoised=False,
temperature=1., noise_dropout=0., score_corrector=None, corrector_kwargs=None,
unconditional_guidance_scale=1., unconditional_conditioning=None,
uc_type=None, cfg_img=None,mask=None,x0=None,guidance_rescale=0.0, **kwargs):
b, *_, device = *x.shape, x.device
if x.dim() == 5:
is_video = True
else:
is_video = False
if cfg_img is None:
cfg_img = unconditional_guidance_scale
unconditional_conditioning_img_nonetext = kwargs['unconditional_conditioning_img_nonetext']
if unconditional_conditioning is None or unconditional_guidance_scale == 1.:
model_output = self.model.apply_model(x, t, c, **kwargs) # unet denoiser
else:
### with unconditional condition
e_t_cond = self.model.apply_model(x, t, c, **kwargs)
e_t_uncond = self.model.apply_model(x, t, unconditional_conditioning, **kwargs)
e_t_uncond_img = self.model.apply_model(x, t, unconditional_conditioning_img_nonetext, **kwargs)
# text cfg
model_output = e_t_uncond + cfg_img * (e_t_uncond_img - e_t_uncond) + unconditional_guidance_scale * (e_t_cond - e_t_uncond_img)
if guidance_rescale > 0.0:
model_output = rescale_noise_cfg(model_output, e_t_cond, guidance_rescale=guidance_rescale)
if self.model.parameterization == "v":
e_t = self.model.predict_eps_from_z_and_v(x, t, model_output)
else:
e_t = model_output
if score_corrector is not None:
assert self.model.parameterization == "eps", 'not implemented'
e_t = score_corrector.modify_score(self.model, e_t, x, t, c, **corrector_kwargs)
alphas = self.model.alphas_cumprod if use_original_steps else self.ddim_alphas
alphas_prev = self.model.alphas_cumprod_prev if use_original_steps else self.ddim_alphas_prev
sqrt_one_minus_alphas = self.model.sqrt_one_minus_alphas_cumprod if use_original_steps else self.ddim_sqrt_one_minus_alphas
sigmas = self.ddim_sigmas_for_original_num_steps if use_original_steps else self.ddim_sigmas
# select parameters corresponding to the currently considered timestep
if is_video:
size = (b, 1, 1, 1, 1)
else:
size = (b, 1, 1, 1)
a_t = torch.full(size, alphas[index], device=device)
a_prev = torch.full(size, alphas_prev[index], device=device)
sigma_t = torch.full(size, sigmas[index], device=device)
sqrt_one_minus_at = torch.full(size, sqrt_one_minus_alphas[index],device=device)
# current prediction for x_0
if self.model.parameterization != "v":
pred_x0 = (x - sqrt_one_minus_at * e_t) / a_t.sqrt()
else:
pred_x0 = self.model.predict_start_from_z_and_v(x, t, model_output)
if self.model.use_dynamic_rescale:
scale_t = torch.full(size, self.ddim_scale_arr[index], device=device)
prev_scale_t = torch.full(size, self.ddim_scale_arr_prev[index], device=device)
rescale = (prev_scale_t / scale_t)
pred_x0 *= rescale
if quantize_denoised:
pred_x0, _, *_ = self.model.first_stage_model.quantize(pred_x0)
# direction pointing to x_t
dir_xt = (1. - a_prev - sigma_t**2).sqrt() * e_t
noise = sigma_t * noise_like(x.shape, device, repeat_noise) * temperature
if noise_dropout > 0.:
noise = torch.nn.functional.dropout(noise, p=noise_dropout)
x_prev = a_prev.sqrt() * pred_x0 + dir_xt + noise
return x_prev, pred_x0
@torch.no_grad()
def decode(self, x_latent, cond, t_start, unconditional_guidance_scale=1.0, unconditional_conditioning=None,
use_original_steps=False, callback=None):
timesteps = np.arange(self.ddpm_num_timesteps) if use_original_steps else self.ddim_timesteps
timesteps = timesteps[:t_start]
time_range = np.flip(timesteps)
total_steps = timesteps.shape[0]
print(f"Running DDIM Sampling with {total_steps} timesteps")
iterator = tqdm(time_range, desc='Decoding image', total=total_steps)
x_dec = x_latent
for i, step in enumerate(iterator):
index = total_steps - i - 1
ts = torch.full((x_latent.shape[0],), step, device=x_latent.device, dtype=torch.long)
x_dec, _ = self.p_sample_ddim(x_dec, cond, ts, index=index, use_original_steps=use_original_steps,
unconditional_guidance_scale=unconditional_guidance_scale,
unconditional_conditioning=unconditional_conditioning)
if callback: callback(i)
return x_dec
@torch.no_grad()
def stochastic_encode(self, x0, t, use_original_steps=False, noise=None):
# fast, but does not allow for exact reconstruction
# t serves as an index to gather the correct alphas
if use_original_steps:
sqrt_alphas_cumprod = self.sqrt_alphas_cumprod
sqrt_one_minus_alphas_cumprod = self.sqrt_one_minus_alphas_cumprod
else:
sqrt_alphas_cumprod = torch.sqrt(self.ddim_alphas)
sqrt_one_minus_alphas_cumprod = self.ddim_sqrt_one_minus_alphas
if noise is None:
noise = torch.randn_like(x0)
return (extract_into_tensor(sqrt_alphas_cumprod, t, x0.shape) * x0 +
extract_into_tensor(sqrt_one_minus_alphas_cumprod, t, x0.shape) * noise)
@@ -1 +0,0 @@
from .sampler import UniPCSampler
@@ -1,79 +0,0 @@
"""SAMPLING ONLY."""
import torch
from .uni_pc import NoiseScheduleVP, model_wrapper, UniPC
class UniPCSampler(object):
def __init__(self, model, **kwargs):
super().__init__()
self.model = model
to_torch = lambda x: x.clone().detach().to(torch.float32).to(model.device)
self.register_buffer('alphas_cumprod', to_torch(model.alphas_cumprod))
def register_buffer(self, name, attr):
if type(attr) == torch.Tensor:
if attr.device != torch.device("cuda"):
attr = attr.to(torch.device("cuda"))
setattr(self, name, attr)
@torch.no_grad()
def sample(self,
S,
batch_size,
shape,
conditioning=None,
callback=None,
normals_sequence=None,
img_callback=None,
quantize_x0=False,
eta=0.,
mask=None,
x0=None,
temperature=1.,
noise_dropout=0.,
score_corrector=None,
corrector_kwargs=None,
verbose=True,
x_T=None,
log_every_t=100,
unconditional_guidance_scale=1.,
unconditional_conditioning=None,
# this has to come in the same format as the conditioning, # e.g. as encoded tokens, ...
**kwargs
):
if conditioning is not None:
if isinstance(conditioning, dict):
cbs = conditioning[list(conditioning.keys())[0]].shape[0]
if cbs != batch_size:
print(f"Warning: Got {cbs} conditionings but batch-size is {batch_size}")
else:
if conditioning.shape[0] != batch_size:
print(f"Warning: Got {conditioning.shape[0]} conditionings but batch-size is {batch_size}")
# sampling
C, F, H, W = shape
size = (batch_size, C, H, W)
device = self.model.betas.device
if x_T is None:
img = torch.randn(size, device=device)
else:
img = x_T
ns = NoiseScheduleVP('discrete', alphas_cumprod=self.alphas_cumprod)
model_fn = model_wrapper(
lambda x, t, c: self.model.apply_model(x, t, c),
ns,
model_type="noise",
guidance_type="classifier-free",
condition=conditioning,
unconditional_condition=unconditional_conditioning,
guidance_scale=unconditional_guidance_scale,
)
uni_pc = UniPC(model_fn, ns, predict_x0=True, thresholding=False)
x = uni_pc.sample(img, steps=S, skip_type="time_uniform", method="multistep", order=3, lower_order_final=True)
return x.to(device), None
@@ -1,808 +0,0 @@
import torch
import torch.nn.functional as F
import math
class NoiseScheduleVP:
def __init__(
self,
schedule='discrete',
betas=None,
alphas_cumprod=None,
continuous_beta_0=0.1,
continuous_beta_1=20.,
):
"""Create a wrapper class for the forward SDE (VP type).
***
Update: We support discrete-time diffusion models by implementing a picewise linear interpolation for log_alpha_t.
We recommend to use schedule='discrete' for the discrete-time diffusion models, especially for high-resolution images.
***
The forward SDE ensures that the condition distribution q_{t|0}(x_t | x_0) = N ( alpha_t * x_0, sigma_t^2 * I ).
We further define lambda_t = log(alpha_t) - log(sigma_t), which is the half-logSNR (described in the DPM-Solver paper).
Therefore, we implement the functions for computing alpha_t, sigma_t and lambda_t. For t in [0, T], we have:
log_alpha_t = self.marginal_log_mean_coeff(t)
sigma_t = self.marginal_std(t)
lambda_t = self.marginal_lambda(t)
Moreover, as lambda(t) is an invertible function, we also support its inverse function:
t = self.inverse_lambda(lambda_t)
===============================================================
We support both discrete-time DPMs (trained on n = 0, 1, ..., N-1) and continuous-time DPMs (trained on t in [t_0, T]).
1. For discrete-time DPMs:
For discrete-time DPMs trained on n = 0, 1, ..., N-1, we convert the discrete steps to continuous time steps by:
t_i = (i + 1) / N
e.g. for N = 1000, we have t_0 = 1e-3 and T = t_{N-1} = 1.
We solve the corresponding diffusion ODE from time T = 1 to time t_0 = 1e-3.
Args:
betas: A `torch.Tensor`. The beta array for the discrete-time DPM. (See the original DDPM paper for details)
alphas_cumprod: A `torch.Tensor`. The cumprod alphas for the discrete-time DPM. (See the original DDPM paper for details)
Note that we always have alphas_cumprod = cumprod(betas). Therefore, we only need to set one of `betas` and `alphas_cumprod`.
**Important**: Please pay special attention for the args for `alphas_cumprod`:
The `alphas_cumprod` is the \hat{alpha_n} arrays in the notations of DDPM. Specifically, DDPMs assume that
q_{t_n | 0}(x_{t_n} | x_0) = N ( \sqrt{\hat{alpha_n}} * x_0, (1 - \hat{alpha_n}) * I ).
Therefore, the notation \hat{alpha_n} is different from the notation alpha_t in DPM-Solver. In fact, we have
alpha_{t_n} = \sqrt{\hat{alpha_n}},
and
log(alpha_{t_n}) = 0.5 * log(\hat{alpha_n}).
2. For continuous-time DPMs:
We support two types of VPSDEs: linear (DDPM) and cosine (improved-DDPM). The hyperparameters for the noise
schedule are the default settings in DDPM and improved-DDPM:
Args:
beta_min: A `float` number. The smallest beta for the linear schedule.
beta_max: A `float` number. The largest beta for the linear schedule.
cosine_s: A `float` number. The hyperparameter in the cosine schedule.
cosine_beta_max: A `float` number. The hyperparameter in the cosine schedule.
T: A `float` number. The ending time of the forward process.
===============================================================
Args:
schedule: A `str`. The noise schedule of the forward SDE. 'discrete' for discrete-time DPMs,
'linear' or 'cosine' for continuous-time DPMs.
Returns:
A wrapper object of the forward SDE (VP type).
===============================================================
Example:
# For discrete-time DPMs, given betas (the beta array for n = 0, 1, ..., N - 1):
>>> ns = NoiseScheduleVP('discrete', betas=betas)
# For discrete-time DPMs, given alphas_cumprod (the \hat{alpha_n} array for n = 0, 1, ..., N - 1):
>>> ns = NoiseScheduleVP('discrete', alphas_cumprod=alphas_cumprod)
# For continuous-time DPMs (VPSDE), linear schedule:
>>> ns = NoiseScheduleVP('linear', continuous_beta_0=0.1, continuous_beta_1=20.)
"""
if schedule not in ['discrete', 'linear', 'cosine']:
raise ValueError("Unsupported noise schedule {}. The schedule needs to be 'discrete' or 'linear' or 'cosine'".format(schedule))
self.schedule = schedule
if schedule == 'discrete':
if betas is not None:
log_alphas = 0.5 * torch.log(1 - betas).cumsum(dim=0)
else:
assert alphas_cumprod is not None
log_alphas = 0.5 * torch.log(alphas_cumprod)
self.total_N = len(log_alphas)
self.T = 1.
self.t_array = torch.linspace(0., 1., self.total_N + 1)[1:].reshape((1, -1))
self.log_alpha_array = log_alphas.reshape((1, -1,))
else:
self.total_N = 1000
self.beta_0 = continuous_beta_0
self.beta_1 = continuous_beta_1
self.cosine_s = 0.008
self.cosine_beta_max = 999.
self.cosine_t_max = math.atan(self.cosine_beta_max * (1. + self.cosine_s) / math.pi) * 2. * (1. + self.cosine_s) / math.pi - self.cosine_s
self.cosine_log_alpha_0 = math.log(math.cos(self.cosine_s / (1. + self.cosine_s) * math.pi / 2.))
self.schedule = schedule
if schedule == 'cosine':
# For the cosine schedule, T = 1 will have numerical issues. So we manually set the ending time T.
# Note that T = 0.9946 may be not the optimal setting. However, we find it works well.
self.T = 0.9946
else:
self.T = 1.
def marginal_log_mean_coeff(self, t):
"""
Compute log(alpha_t) of a given continuous-time label t in [0, T].
"""
if self.schedule == 'discrete':
return interpolate_fn(t.reshape((-1, 1)), self.t_array.to(t.device), self.log_alpha_array.to(t.device)).reshape((-1))
elif self.schedule == 'linear':
return -0.25 * t ** 2 * (self.beta_1 - self.beta_0) - 0.5 * t * self.beta_0
elif self.schedule == 'cosine':
log_alpha_fn = lambda s: torch.log(torch.cos((s + self.cosine_s) / (1. + self.cosine_s) * math.pi / 2.))
log_alpha_t = log_alpha_fn(t) - self.cosine_log_alpha_0
return log_alpha_t
def marginal_alpha(self, t):
"""
Compute alpha_t of a given continuous-time label t in [0, T].
"""
return torch.exp(self.marginal_log_mean_coeff(t))
def marginal_std(self, t):
"""
Compute sigma_t of a given continuous-time label t in [0, T].
"""
return torch.sqrt(1. - torch.exp(2. * self.marginal_log_mean_coeff(t)))
def marginal_lambda(self, t):
"""
Compute lambda_t = log(alpha_t) - log(sigma_t) of a given continuous-time label t in [0, T].
"""
log_mean_coeff = self.marginal_log_mean_coeff(t)
log_std = 0.5 * torch.log(1. - torch.exp(2. * log_mean_coeff))
return log_mean_coeff - log_std
def inverse_lambda(self, lamb):
"""
Compute the continuous-time label t in [0, T] of a given half-logSNR lambda_t.
"""
if self.schedule == 'linear':
tmp = 2. * (self.beta_1 - self.beta_0) * torch.logaddexp(-2. * lamb, torch.zeros((1,)).to(lamb))
Delta = self.beta_0**2 + tmp
return tmp / (torch.sqrt(Delta) + self.beta_0) / (self.beta_1 - self.beta_0)
elif self.schedule == 'discrete':
log_alpha = -0.5 * torch.logaddexp(torch.zeros((1,)).to(lamb.device), -2. * lamb)
t = interpolate_fn(log_alpha.reshape((-1, 1)), torch.flip(self.log_alpha_array.to(lamb.device), [1]), torch.flip(self.t_array.to(lamb.device), [1]))
return t.reshape((-1,))
else:
log_alpha = -0.5 * torch.logaddexp(-2. * lamb, torch.zeros((1,)).to(lamb))
t_fn = lambda log_alpha_t: torch.arccos(torch.exp(log_alpha_t + self.cosine_log_alpha_0)) * 2. * (1. + self.cosine_s) / math.pi - self.cosine_s
t = t_fn(log_alpha)
return t
def model_wrapper(
model,
noise_schedule,
model_type="noise",
model_kwargs={},
guidance_type="uncond",
condition=None,
unconditional_condition=None,
guidance_scale=1.,
classifier_fn=None,
classifier_kwargs={},
):
"""Create a wrapper function for the noise prediction model.
DPM-Solver needs to solve the continuous-time diffusion ODEs. For DPMs trained on discrete-time labels, we need to
firstly wrap the model function to a noise prediction model that accepts the continuous time as the input.
We support four types of the diffusion model by setting `model_type`:
1. "noise": noise prediction model. (Trained by predicting noise).
2. "x_start": data prediction model. (Trained by predicting the data x_0 at time 0).
3. "v": velocity prediction model. (Trained by predicting the velocity).
The "v" prediction is derivation detailed in Appendix D of [1], and is used in Imagen-Video [2].
[1] Salimans, Tim, and Jonathan Ho. "Progressive distillation for fast sampling of diffusion models."
arXiv preprint arXiv:2202.00512 (2022).
[2] Ho, Jonathan, et al. "Imagen Video: High Definition Video Generation with Diffusion Models."
arXiv preprint arXiv:2210.02303 (2022).
4. "score": marginal score function. (Trained by denoising score matching).
Note that the score function and the noise prediction model follows a simple relationship:
```
noise(x_t, t) = -sigma_t * score(x_t, t)
```
We support three types of guided sampling by DPMs by setting `guidance_type`:
1. "uncond": unconditional sampling by DPMs.
The input `model` has the following format:
``
model(x, t_input, **model_kwargs) -> noise | x_start | v | score
``
2. "classifier": classifier guidance sampling [3] by DPMs and another classifier.
The input `model` has the following format:
``
model(x, t_input, **model_kwargs) -> noise | x_start | v | score
``
The input `classifier_fn` has the following format:
``
classifier_fn(x, t_input, cond, **classifier_kwargs) -> logits(x, t_input, cond)
``
[3] P. Dhariwal and A. Q. Nichol, "Diffusion models beat GANs on image synthesis,"
in Advances in Neural Information Processing Systems, vol. 34, 2021, pp. 8780-8794.
3. "classifier-free": classifier-free guidance sampling by conditional DPMs.
The input `model` has the following format:
``
model(x, t_input, cond, **model_kwargs) -> noise | x_start | v | score
``
And if cond == `unconditional_condition`, the model output is the unconditional DPM output.
[4] Ho, Jonathan, and Tim Salimans. "Classifier-free diffusion guidance."
arXiv preprint arXiv:2207.12598 (2022).
The `t_input` is the time label of the model, which may be discrete-time labels (i.e. 0 to 999)
or continuous-time labels (i.e. epsilon to T).
We wrap the model function to accept only `x` and `t_continuous` as inputs, and outputs the predicted noise:
``
def model_fn(x, t_continuous) -> noise:
t_input = get_model_input_time(t_continuous)
return noise_pred(model, x, t_input, **model_kwargs)
``
where `t_continuous` is the continuous time labels (i.e. epsilon to T). And we use `model_fn` for DPM-Solver.
===============================================================
Args:
model: A diffusion model with the corresponding format described above.
noise_schedule: A noise schedule object, such as NoiseScheduleVP.
model_type: A `str`. The parameterization type of the diffusion model.
"noise" or "x_start" or "v" or "score".
model_kwargs: A `dict`. A dict for the other inputs of the model function.
guidance_type: A `str`. The type of the guidance for sampling.
"uncond" or "classifier" or "classifier-free".
condition: A pytorch tensor. The condition for the guided sampling.
Only used for "classifier" or "classifier-free" guidance type.
unconditional_condition: A pytorch tensor. The condition for the unconditional sampling.
Only used for "classifier-free" guidance type.
guidance_scale: A `float`. The scale for the guided sampling.
classifier_fn: A classifier function. Only used for the classifier guidance.
classifier_kwargs: A `dict`. A dict for the other inputs of the classifier function.
Returns:
A noise prediction model that accepts the noised data and the continuous time as the inputs.
"""
def get_model_input_time(t_continuous):
"""
Convert the continuous-time `t_continuous` (in [epsilon, T]) to the model input time.
For discrete-time DPMs, we convert `t_continuous` in [1 / N, 1] to `t_input` in [0, 1000 * (N - 1) / N].
For continuous-time DPMs, we just use `t_continuous`.
"""
if noise_schedule.schedule == 'discrete':
return (t_continuous - 1. / noise_schedule.total_N) * 1000.
else:
return t_continuous
def noise_pred_fn(x, t_continuous, cond=None):
if t_continuous.reshape((-1,)).shape[0] == 1:
t_continuous = t_continuous.expand((x.shape[0]))
t_input = get_model_input_time(t_continuous)
if cond is None:
output = model(x, t_input, None, **model_kwargs)
else:
output = model(x, t_input, cond, **model_kwargs)
if model_type == "noise":
return output
elif model_type == "x_start":
alpha_t, sigma_t = noise_schedule.marginal_alpha(t_continuous), noise_schedule.marginal_std(t_continuous)
dims = x.dim()
return (x - expand_dims(alpha_t, dims) * output) / expand_dims(sigma_t, dims)
elif model_type == "v":
alpha_t, sigma_t = noise_schedule.marginal_alpha(t_continuous), noise_schedule.marginal_std(t_continuous)
dims = x.dim()
return expand_dims(alpha_t, dims) * output + expand_dims(sigma_t, dims) * x
elif model_type == "score":
sigma_t = noise_schedule.marginal_std(t_continuous)
dims = x.dim()
return -expand_dims(sigma_t, dims) * output
def cond_grad_fn(x, t_input):
"""
Compute the gradient of the classifier, i.e. nabla_{x} log p_t(cond | x_t).
"""
with torch.enable_grad():
x_in = x.detach().requires_grad_(True)
log_prob = classifier_fn(x_in, t_input, condition, **classifier_kwargs)
return torch.autograd.grad(log_prob.sum(), x_in)[0]
def model_fn(x, t_continuous):
"""
The noise predicition model function that is used for DPM-Solver.
"""
if t_continuous.reshape((-1,)).shape[0] == 1:
t_continuous = t_continuous.expand((x.shape[0]))
if guidance_type == "uncond":
return noise_pred_fn(x, t_continuous)
elif guidance_type == "classifier":
assert classifier_fn is not None
t_input = get_model_input_time(t_continuous)
cond_grad = cond_grad_fn(x, t_input)
sigma_t = noise_schedule.marginal_std(t_continuous)
noise = noise_pred_fn(x, t_continuous)
return noise - guidance_scale * expand_dims(sigma_t, dims=cond_grad.dim()) * cond_grad
elif guidance_type == "classifier-free":
if guidance_scale == 1. or unconditional_condition is None:
return noise_pred_fn(x, t_continuous, cond=condition)
else:
x_in = torch.cat([x] * 2)
t_in = torch.cat([t_continuous] * 2)
c_in = torch.cat([unconditional_condition, condition])
noise_uncond, noise = noise_pred_fn(x_in, t_in, cond=c_in).chunk(2)
return noise_uncond + guidance_scale * (noise - noise_uncond)
assert model_type in ["noise", "x_start", "v"]
assert guidance_type in ["uncond", "classifier", "classifier-free"]
return model_fn
class UniPC:
def __init__(
self,
model_fn,
noise_schedule,
predict_x0=True,
thresholding=False,
max_val=1.,
variant='bh1'
):
"""Construct a UniPC.
We support both data_prediction and noise_prediction.
"""
self.model = model_fn
self.noise_schedule = noise_schedule
self.variant = variant
self.predict_x0 = predict_x0
self.thresholding = thresholding
self.max_val = max_val
def dynamic_thresholding_fn(self, x0, t=None):
"""
The dynamic thresholding method.
"""
dims = x0.dim()
p = self.dynamic_thresholding_ratio
s = torch.quantile(torch.abs(x0).reshape((x0.shape[0], -1)), p, dim=1)
s = expand_dims(torch.maximum(s, self.thresholding_max_val * torch.ones_like(s).to(s.device)), dims)
x0 = torch.clamp(x0, -s, s) / s
return x0
def noise_prediction_fn(self, x, t):
"""
Return the noise prediction model.
"""
return self.model(x, t)
def data_prediction_fn(self, x, t):
"""
Return the data prediction model (with thresholding).
"""
noise = self.noise_prediction_fn(x, t)
dims = x.dim()
alpha_t, sigma_t = self.noise_schedule.marginal_alpha(t), self.noise_schedule.marginal_std(t)
x0 = (x - expand_dims(sigma_t, dims) * noise) / expand_dims(alpha_t, dims)
if self.thresholding:
p = 0.995 # A hyperparameter in the paper of "Imagen" [1].
s = torch.quantile(torch.abs(x0).reshape((x0.shape[0], -1)), p, dim=1)
s = expand_dims(torch.maximum(s, self.max_val * torch.ones_like(s).to(s.device)), dims)
x0 = torch.clamp(x0, -s, s) / s
return x0
def model_fn(self, x, t):
"""
Convert the model to the noise prediction model or the data prediction model.
"""
if self.predict_x0:
return self.data_prediction_fn(x, t)
else:
return self.noise_prediction_fn(x, t)
def get_time_steps(self, skip_type, t_T, t_0, N, device):
"""Compute the intermediate time steps for sampling.
"""
if skip_type == 'logSNR':
lambda_T = self.noise_schedule.marginal_lambda(torch.tensor(t_T).to(device))
lambda_0 = self.noise_schedule.marginal_lambda(torch.tensor(t_0).to(device))
logSNR_steps = torch.linspace(lambda_T.cpu().item(), lambda_0.cpu().item(), N + 1).to(device)
return self.noise_schedule.inverse_lambda(logSNR_steps)
elif skip_type == 'time_uniform':
return torch.linspace(t_T, t_0, N + 1).to(device)
elif skip_type == 'time_quadratic':
t_order = 2
t = torch.linspace(t_T**(1. / t_order), t_0**(1. / t_order), N + 1).pow(t_order).to(device)
return t
else:
raise ValueError("Unsupported skip_type {}, need to be 'logSNR' or 'time_uniform' or 'time_quadratic'".format(skip_type))
def get_orders_and_timesteps_for_singlestep_solver(self, steps, order, skip_type, t_T, t_0, device):
"""
Get the order of each step for sampling by the singlestep DPM-Solver.
"""
if order == 3:
K = steps // 3 + 1
if steps % 3 == 0:
orders = [3,] * (K - 2) + [2, 1]
elif steps % 3 == 1:
orders = [3,] * (K - 1) + [1]
else:
orders = [3,] * (K - 1) + [2]
elif order == 2:
if steps % 2 == 0:
K = steps // 2
orders = [2,] * K
else:
K = steps // 2 + 1
orders = [2,] * (K - 1) + [1]
elif order == 1:
K = steps
orders = [1,] * steps
else:
raise ValueError("'order' must be '1' or '2' or '3'.")
if skip_type == 'logSNR':
# To reproduce the results in DPM-Solver paper
timesteps_outer = self.get_time_steps(skip_type, t_T, t_0, K, device)
else:
timesteps_outer = self.get_time_steps(skip_type, t_T, t_0, steps, device)[torch.cumsum(torch.tensor([0,] + orders), 0).to(device)]
return timesteps_outer, orders
def denoise_to_zero_fn(self, x, s):
"""
Denoise at the final step, which is equivalent to solve the ODE from lambda_s to infty by first-order discretization.
"""
return self.data_prediction_fn(x, s)
def multistep_uni_pc_update(self, x, model_prev_list, t_prev_list, t, order, **kwargs):
if len(t.shape) == 0:
t = t.view(-1)
if 'bh' in self.variant:
return self.multistep_uni_pc_bh_update(x, model_prev_list, t_prev_list, t, order, **kwargs)
else:
assert self.variant == 'vary_coeff'
return self.multistep_uni_pc_vary_update(x, model_prev_list, t_prev_list, t, order, **kwargs)
def multistep_uni_pc_vary_update(self, x, model_prev_list, t_prev_list, t, order, use_corrector=True):
print(f'using unified predictor-corrector with order {order} (solver type: vary coeff)')
ns = self.noise_schedule
assert order <= len(model_prev_list)
# first compute rks
t_prev_0 = t_prev_list[-1]
lambda_prev_0 = ns.marginal_lambda(t_prev_0)
lambda_t = ns.marginal_lambda(t)
model_prev_0 = model_prev_list[-1]
sigma_prev_0, sigma_t = ns.marginal_std(t_prev_0), ns.marginal_std(t)
log_alpha_t = ns.marginal_log_mean_coeff(t)
alpha_t = torch.exp(log_alpha_t)
h = lambda_t - lambda_prev_0
rks = []
D1s = []
for i in range(1, order):
t_prev_i = t_prev_list[-(i + 1)]
model_prev_i = model_prev_list[-(i + 1)]
lambda_prev_i = ns.marginal_lambda(t_prev_i)
rk = (lambda_prev_i - lambda_prev_0) / h
rks.append(rk)
D1s.append((model_prev_i - model_prev_0) / rk)
rks.append(1.)
rks = torch.tensor(rks, device=x.device)
K = len(rks)
# build C matrix
C = []
col = torch.ones_like(rks)
for k in range(1, K + 1):
C.append(col)
col = col * rks / (k + 1)
C = torch.stack(C, dim=1)
if len(D1s) > 0:
D1s = torch.stack(D1s, dim=1) # (B, K)
C_inv_p = torch.linalg.inv(C[:-1, :-1])
A_p = C_inv_p
if use_corrector:
print('using corrector')
C_inv = torch.linalg.inv(C)
A_c = C_inv
hh = -h if self.predict_x0 else h
h_phi_1 = torch.expm1(hh)
h_phi_ks = []
factorial_k = 1
h_phi_k = h_phi_1
for k in range(1, K + 2):
h_phi_ks.append(h_phi_k)
h_phi_k = h_phi_k / hh - 1 / factorial_k
factorial_k *= (k + 1)
model_t = None
if self.predict_x0:
x_t_ = (
sigma_t / sigma_prev_0 * x
- alpha_t * h_phi_1 * model_prev_0
)
# now predictor
x_t = x_t_
if len(D1s) > 0:
# compute the residuals for predictor
for k in range(K - 1):
x_t = x_t - alpha_t * h_phi_ks[k + 1] * torch.einsum('bkchw,k->bchw', D1s, A_p[k])
# now corrector
if use_corrector:
model_t = self.model_fn(x_t, t)
D1_t = (model_t - model_prev_0)
x_t = x_t_
k = 0
for k in range(K - 1):
x_t = x_t - alpha_t * h_phi_ks[k + 1] * torch.einsum('bkchw,k->bchw', D1s, A_c[k][:-1])
x_t = x_t - alpha_t * h_phi_ks[K] * (D1_t * A_c[k][-1])
else:
log_alpha_prev_0, log_alpha_t = ns.marginal_log_mean_coeff(t_prev_0), ns.marginal_log_mean_coeff(t)
x_t_ = (
(torch.exp(log_alpha_t - log_alpha_prev_0)) * x
- (sigma_t * h_phi_1) * model_prev_0
)
# now predictor
x_t = x_t_
if len(D1s) > 0:
# compute the residuals for predictor
for k in range(K - 1):
x_t = x_t - sigma_t * h_phi_ks[k + 1] * torch.einsum('bkchw,k->bchw', D1s, A_p[k])
# now corrector
if use_corrector:
model_t = self.model_fn(x_t, t)
D1_t = (model_t - model_prev_0)
x_t = x_t_
k = 0
for k in range(K - 1):
x_t = x_t - sigma_t * h_phi_ks[k + 1] * torch.einsum('bkchw,k->bchw', D1s, A_c[k][:-1])
x_t = x_t - sigma_t * h_phi_ks[K] * (D1_t * A_c[k][-1])
return x_t, model_t
def multistep_uni_pc_bh_update(self, x, model_prev_list, t_prev_list, t, order, x_t=None, use_corrector=True):
print(f'using unified predictor-corrector with order {order} (solver type: B(h))')
ns = self.noise_schedule
assert order <= len(model_prev_list)
dims = x.dim()
# first compute rks
t_prev_0 = t_prev_list[-1]
lambda_prev_0 = ns.marginal_lambda(t_prev_0)
lambda_t = ns.marginal_lambda(t)
model_prev_0 = model_prev_list[-1]
sigma_prev_0, sigma_t = ns.marginal_std(t_prev_0), ns.marginal_std(t)
log_alpha_prev_0, log_alpha_t = ns.marginal_log_mean_coeff(t_prev_0), ns.marginal_log_mean_coeff(t)
alpha_t = torch.exp(log_alpha_t)
h = lambda_t - lambda_prev_0
rks = []
D1s = []
for i in range(1, order):
t_prev_i = t_prev_list[-(i + 1)]
model_prev_i = model_prev_list[-(i + 1)]
lambda_prev_i = ns.marginal_lambda(t_prev_i)
rk = ((lambda_prev_i - lambda_prev_0) / h)[0]
rks.append(rk)
D1s.append((model_prev_i - model_prev_0) / rk)
rks.append(1.)
rks = torch.tensor(rks, device=x.device)
R = []
b = []
hh = -h[0] if self.predict_x0 else h[0]
h_phi_1 = torch.expm1(hh) # h\phi_1(h) = e^h - 1
h_phi_k = h_phi_1 / hh - 1
factorial_i = 1
if self.variant == 'bh1':
B_h = hh
elif self.variant == 'bh2':
B_h = torch.expm1(hh)
else:
raise NotImplementedError()
for i in range(1, order + 1):
R.append(torch.pow(rks, i - 1))
b.append(h_phi_k * factorial_i / B_h)
factorial_i *= (i + 1)
h_phi_k = h_phi_k / hh - 1 / factorial_i
R = torch.stack(R)
b = torch.tensor(b, device=x.device)
# now predictor
use_predictor = len(D1s) > 0 and x_t is None
if len(D1s) > 0:
D1s = torch.stack(D1s, dim=1) # (B, K)
if x_t is None:
# for order 2, we use a simplified version
if order == 2:
rhos_p = torch.tensor([0.5], device=b.device)
else:
rhos_p = torch.linalg.solve(R[:-1, :-1], b[:-1])
else:
D1s = None
if use_corrector:
print('using corrector')
# for order 1, we use a simplified version
if order == 1:
rhos_c = torch.tensor([0.5], device=b.device)
else:
rhos_c = torch.linalg.solve(R, b)
model_t = None
if self.predict_x0:
x_t_ = (
expand_dims(sigma_t / sigma_prev_0, dims) * x
- expand_dims(alpha_t * h_phi_1, dims)* model_prev_0
)
if x_t is None:
if use_predictor:
pred_res = torch.einsum('k,bkchw->bchw', rhos_p, D1s)
else:
pred_res = 0
x_t = x_t_ - expand_dims(alpha_t * B_h, dims) * pred_res
if use_corrector:
model_t = self.model_fn(x_t, t)
if D1s is not None:
corr_res = torch.einsum('k,bkchw->bchw', rhos_c[:-1], D1s)
else:
corr_res = 0
D1_t = (model_t - model_prev_0)
x_t = x_t_ - expand_dims(alpha_t * B_h, dims) * (corr_res + rhos_c[-1] * D1_t)
else:
x_t_ = (
expand_dims(torch.exp(log_alpha_t - log_alpha_prev_0), dims) * x
- expand_dims(sigma_t * h_phi_1, dims) * model_prev_0
)
if x_t is None:
if use_predictor:
pred_res = torch.einsum('k,bkchw->bchw', rhos_p, D1s)
else:
pred_res = 0
x_t = x_t_ - expand_dims(sigma_t * B_h, dims) * pred_res
if use_corrector:
model_t = self.model_fn(x_t, t)
if D1s is not None:
corr_res = torch.einsum('k,bkchw->bchw', rhos_c[:-1], D1s)
else:
corr_res = 0
D1_t = (model_t - model_prev_0)
x_t = x_t_ - expand_dims(sigma_t * B_h, dims) * (corr_res + rhos_c[-1] * D1_t)
return x_t, model_t
def sample(self, x, steps=20, t_start=None, t_end=None, order=3, skip_type='time_uniform',
method='singlestep', lower_order_final=True, denoise_to_zero=False, solver_type='dpm_solver',
atol=0.0078, rtol=0.05, corrector=False,
):
t_0 = 1. / self.noise_schedule.total_N if t_end is None else t_end
t_T = self.noise_schedule.T if t_start is None else t_start
device = x.device
if method == 'multistep':
assert steps >= order
timesteps = self.get_time_steps(skip_type=skip_type, t_T=t_T, t_0=t_0, N=steps, device=device)
assert timesteps.shape[0] - 1 == steps
with torch.no_grad():
vec_t = timesteps[0].expand((x.shape[0]))
model_prev_list = [self.model_fn(x, vec_t)]
t_prev_list = [vec_t]
# Init the first `order` values by lower order multistep DPM-Solver.
for init_order in range(1, order):
vec_t = timesteps[init_order].expand(x.shape[0])
x, model_x = self.multistep_uni_pc_update(x, model_prev_list, t_prev_list, vec_t, init_order, use_corrector=True)
if model_x is None:
model_x = self.model_fn(x, vec_t)
model_prev_list.append(model_x)
t_prev_list.append(vec_t)
for step in range(order, steps + 1):
vec_t = timesteps[step].expand(x.shape[0])
if lower_order_final:
step_order = min(order, steps + 1 - step)
else:
step_order = order
print('this step order:', step_order)
if step == steps:
print('do not run corrector at the last step')
use_corrector = False
else:
use_corrector = True
x, model_x = self.multistep_uni_pc_update(x, model_prev_list, t_prev_list, vec_t, step_order, use_corrector=use_corrector)
for i in range(order - 1):
t_prev_list[i] = t_prev_list[i + 1]
model_prev_list[i] = model_prev_list[i + 1]
t_prev_list[-1] = vec_t
# We do not need to evaluate the final model value.
if step < steps:
if model_x is None:
model_x = self.model_fn(x, vec_t)
model_prev_list[-1] = model_x
else:
raise NotImplementedError()
if denoise_to_zero:
x = self.denoise_to_zero_fn(x, torch.ones((x.shape[0],)).to(device) * t_0)
return x
#############################################################
# other utility functions
#############################################################
def interpolate_fn(x, xp, yp):
"""
A piecewise linear function y = f(x), using xp and yp as keypoints.
We implement f(x) in a differentiable way (i.e. applicable for autograd).
The function f(x) is well-defined for all x-axis. (For x beyond the bounds of xp, we use the outmost points of xp to define the linear function.)
Args:
x: PyTorch tensor with shape [N, C], where N is the batch size, C is the number of channels (we use C = 1 for DPM-Solver).
xp: PyTorch tensor with shape [C, K], where K is the number of keypoints.
yp: PyTorch tensor with shape [C, K].
Returns:
The function values f(x), with shape [N, C].
"""
N, K = x.shape[0], xp.shape[1]
all_x = torch.cat([x.unsqueeze(2), xp.unsqueeze(0).repeat((N, 1, 1))], dim=2)
sorted_all_x, x_indices = torch.sort(all_x, dim=2)
x_idx = torch.argmin(x_indices, dim=2)
cand_start_idx = x_idx - 1
start_idx = torch.where(
torch.eq(x_idx, 0),
torch.tensor(1, device=x.device),
torch.where(
torch.eq(x_idx, K), torch.tensor(K - 2, device=x.device), cand_start_idx,
),
)
end_idx = torch.where(torch.eq(start_idx, cand_start_idx), start_idx + 2, start_idx + 1)
start_x = torch.gather(sorted_all_x, dim=2, index=start_idx.unsqueeze(2)).squeeze(2)
end_x = torch.gather(sorted_all_x, dim=2, index=end_idx.unsqueeze(2)).squeeze(2)
start_idx2 = torch.where(
torch.eq(x_idx, 0),
torch.tensor(0, device=x.device),
torch.where(
torch.eq(x_idx, K), torch.tensor(K - 2, device=x.device), cand_start_idx,
),
)
y_positions_expanded = yp.unsqueeze(0).expand(N, -1, -1)
start_y = torch.gather(y_positions_expanded, dim=2, index=start_idx2.unsqueeze(2)).squeeze(2)
end_y = torch.gather(y_positions_expanded, dim=2, index=(start_idx2 + 1).unsqueeze(2)).squeeze(2)
cand = start_y + (x - start_x) * (end_y - start_y) / (end_x - start_x)
return cand
def expand_dims(v, dims):
"""
Expand the tensor `v` to the dim `dims`.
Args:
`v`: a PyTorch tensor with shape [N].
`dim`: a `int`.
Returns:
a PyTorch tensor with shape [N, 1, 1, ..., 1] and the total dimension is `dims`.
"""
return v[(...,) + (None,)*(dims - 1)]
@@ -1,158 +0,0 @@
import math
import numpy as np
import torch
import torch.nn.functional as F
from einops import repeat
def timestep_embedding(timesteps, dim, max_period=10000, repeat_only=False, dtype=None):
"""
Create sinusoidal timestep embeddings.
:param timesteps: a 1-D Tensor of N indices, one per batch element.
These may be fractional.
:param dim: the dimension of the output.
:param max_period: controls the minimum frequency of the embeddings.
:return: an [N x dim] Tensor of positional embeddings.
"""
if not repeat_only:
half = dim // 2
freqs = torch.exp(
-math.log(max_period) * torch.arange(start=0, end=half, dtype=dtype) / half
).to(device=timesteps.device)
args = timesteps[:, None].float() * freqs[None]
embedding = torch.cat([torch.cos(args), torch.sin(args)], dim=-1)
if dim % 2:
embedding = torch.cat([embedding, torch.zeros_like(embedding[:, :1])], dim=-1)
else:
embedding = repeat(timesteps, 'b -> b d', d=dim)
return embedding.to(dtype)
def make_beta_schedule(schedule, n_timestep, linear_start=1e-4, linear_end=2e-2, cosine_s=8e-3):
if schedule == "linear":
betas = (
torch.linspace(linear_start ** 0.5, linear_end ** 0.5, n_timestep, dtype=torch.float64) ** 2
)
elif schedule == "cosine":
timesteps = (
torch.arange(n_timestep + 1, dtype=torch.float64) / n_timestep + cosine_s
)
alphas = timesteps / (1 + cosine_s) * np.pi / 2
alphas = torch.cos(alphas).pow(2)
alphas = alphas / alphas[0]
betas = 1 - alphas[1:] / alphas[:-1]
betas = np.clip(betas, a_min=0, a_max=0.999)
elif schedule == "sqrt_linear":
betas = torch.linspace(linear_start, linear_end, n_timestep, dtype=torch.float64)
elif schedule == "sqrt":
betas = torch.linspace(linear_start, linear_end, n_timestep, dtype=torch.float64) ** 0.5
else:
raise ValueError(f"schedule '{schedule}' unknown.")
return betas.numpy()
def make_ddim_timesteps(ddim_discr_method, num_ddim_timesteps, num_ddpm_timesteps, verbose=True):
if ddim_discr_method == 'uniform':
c = num_ddpm_timesteps // num_ddim_timesteps
ddim_timesteps = np.asarray(list(range(0, num_ddpm_timesteps, c)))
steps_out = ddim_timesteps + 1
elif ddim_discr_method == 'uniform_trailing':
c = num_ddpm_timesteps / num_ddim_timesteps
ddim_timesteps = np.flip(np.round(np.arange(num_ddpm_timesteps, 0, -c))).astype(np.int64)
steps_out = ddim_timesteps - 1
elif ddim_discr_method == 'quad':
ddim_timesteps = ((np.linspace(0, np.sqrt(num_ddpm_timesteps * .8), num_ddim_timesteps)) ** 2).astype(int)
steps_out = ddim_timesteps + 1
else:
raise NotImplementedError(f'There is no ddim discretization method called "{ddim_discr_method}"')
# assert ddim_timesteps.shape[0] == num_ddim_timesteps
# add one to get the final alpha values right (the ones from first scale to data during sampling)
# steps_out = ddim_timesteps + 1
if verbose:
print(f'Selected timesteps for ddim sampler: {steps_out}')
return steps_out
def make_ddim_sampling_parameters(alphacums, ddim_timesteps, eta, verbose=True):
# select alphas for computing the variance schedule
# print(f'ddim_timesteps={ddim_timesteps}, len_alphacums={len(alphacums)}')
alphas = alphacums[ddim_timesteps]
alphas_prev = np.asarray([alphacums[0]] + alphacums[ddim_timesteps[:-1]].tolist())
# according the the formula provided in https://arxiv.org/abs/2010.02502
sigmas = eta * np.sqrt((1 - alphas_prev) / (1 - alphas) * (1 - alphas / alphas_prev))
if verbose:
print(f'Selected alphas for ddim sampler: a_t: {alphas}; a_(t-1): {alphas_prev}')
print(f'For the chosen value of eta, which is {eta}, '
f'this results in the following sigma_t schedule for ddim sampler {sigmas}')
return sigmas, alphas, alphas_prev
def betas_for_alpha_bar(num_diffusion_timesteps, alpha_bar, max_beta=0.999):
"""
Create a beta schedule that discretizes the given alpha_t_bar function,
which defines the cumulative product of (1-beta) over time from t = [0,1].
:param num_diffusion_timesteps: the number of betas to produce.
:param alpha_bar: a lambda that takes an argument t from 0 to 1 and
produces the cumulative product of (1-beta) up to that
part of the diffusion process.
:param max_beta: the maximum beta to use; use values lower than 1 to
prevent singularities.
"""
betas = []
for i in range(num_diffusion_timesteps):
t1 = i / num_diffusion_timesteps
t2 = (i + 1) / num_diffusion_timesteps
betas.append(min(1 - alpha_bar(t2) / alpha_bar(t1), max_beta))
return np.array(betas)
def rescale_zero_terminal_snr(betas):
"""
Rescales betas to have zero terminal SNR Based on https://arxiv.org/pdf/2305.08891.pdf (Algorithm 1)
Args:
betas (`numpy.ndarray`):
the betas that the scheduler is being initialized with.
Returns:
`numpy.ndarray`: rescaled betas with zero terminal SNR
"""
# Convert betas to alphas_bar_sqrt
alphas = 1.0 - betas
alphas_cumprod = np.cumprod(alphas, axis=0)
alphas_bar_sqrt = np.sqrt(alphas_cumprod)
# Store old values.
alphas_bar_sqrt_0 = alphas_bar_sqrt[0].copy()
alphas_bar_sqrt_T = alphas_bar_sqrt[-1].copy()
# Shift so the last timestep is zero.
alphas_bar_sqrt -= alphas_bar_sqrt_T
# Scale so the first timestep is back to the old value.
alphas_bar_sqrt *= alphas_bar_sqrt_0 / (alphas_bar_sqrt_0 - alphas_bar_sqrt_T)
# Convert alphas_bar_sqrt to betas
alphas_bar = alphas_bar_sqrt**2 # Revert sqrt
alphas = alphas_bar[1:] / alphas_bar[:-1] # Revert cumprod
alphas = np.concatenate([alphas_bar[0:1], alphas])
betas = 1 - alphas
return betas
def rescale_noise_cfg(noise_cfg, noise_pred_text, guidance_rescale=0.0):
"""
Rescale `noise_cfg` according to `guidance_rescale`. Based on findings of [Common Diffusion Noise Schedules and
Sample Steps are Flawed](https://arxiv.org/pdf/2305.08891.pdf). See Section 3.4
"""
std_text = noise_pred_text.std(dim=list(range(1, noise_pred_text.ndim)), keepdim=True)
std_cfg = noise_cfg.std(dim=list(range(1, noise_cfg.ndim)), keepdim=True)
# rescale the results from guidance (fixes overexposure)
noise_pred_rescaled = noise_cfg * (std_text / std_cfg)
# mix with the original results from guidance by factor guidance_rescale to avoid "plain looking" images
noise_cfg = guidance_rescale * noise_pred_rescaled + (1 - guidance_rescale) * noise_cfg
return noise_cfg
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@@ -1,809 +0,0 @@
import torch
from torch import nn, einsum
import torch.nn.functional as F
from einops import rearrange, repeat
from functools import partial
from ..common import (
checkpoint,
exists,
default,
)
from ..basics import zero_module
import comfy.ops
ops = comfy.ops.disable_weight_init
from comfy import model_management
from comfy.ldm.modules.attention import optimized_attention, optimized_attention_masked
if model_management.xformers_enabled():
import xformers
import xformers.ops
XFORMERS_IS_AVAILBLE = True
else:
XFORMERS_IS_AVAILBLE = False
class RelativePosition(nn.Module):
""" https://github.com/evelinehong/Transformer_Relative_Position_PyTorch/blob/master/relative_position.py """
def __init__(self, num_units, max_relative_position):
super().__init__()
self.num_units = num_units
self.max_relative_position = max_relative_position
self.embeddings_table = nn.Parameter(torch.Tensor(max_relative_position * 2 + 1, num_units))
nn.init.xavier_uniform_(self.embeddings_table)
def forward(self, length_q, length_k):
device = self.embeddings_table.device
range_vec_q = torch.arange(length_q, device=device)
range_vec_k = torch.arange(length_k, device=device)
distance_mat = range_vec_k[None, :] - range_vec_q[:, None]
distance_mat_clipped = torch.clamp(distance_mat, -self.max_relative_position, self.max_relative_position)
final_mat = distance_mat_clipped + self.max_relative_position
final_mat = final_mat.long()
embeddings = self.embeddings_table[final_mat]
return embeddings
# TODO Add native Comfy optimized attention.
class CrossAttention(nn.Module):
def __init__(
self,
query_dim,
context_dim=None,
heads=8,
dim_head=64,
dropout=0.,
relative_position=False,
temporal_length=None,
video_length=None,
image_cross_attention=False,
image_cross_attention_scale=1.0,
image_cross_attention_scale_learnable=False,
text_context_len=77,
device=None,
dtype=None,
operations=ops
):
super().__init__()
inner_dim = dim_head * heads
context_dim = default(context_dim, query_dim)
self.scale = dim_head**-0.5
self.heads = heads
self.dim_head = dim_head
self.to_q = operations.Linear(query_dim, inner_dim, bias=False, device=device, dtype=dtype)
self.to_k = operations.Linear(context_dim, inner_dim, bias=False, device=device, dtype=dtype)
self.to_v = operations.Linear(context_dim, inner_dim, bias=False, device=device, dtype=dtype)
self.to_out = nn.Sequential(
operations.Linear(inner_dim, query_dim, device=device, dtype=dtype),
nn.Dropout(dropout)
)
self.relative_position = relative_position
if self.relative_position:
assert(temporal_length is not None)
self.relative_position_k = RelativePosition(num_units=dim_head, max_relative_position=temporal_length)
self.relative_position_v = RelativePosition(num_units=dim_head, max_relative_position=temporal_length)
else:
## only used for spatial attention, while NOT for temporal attention
if XFORMERS_IS_AVAILBLE and temporal_length is None:
self.forward = self.efficient_forward
else:
self.forward = self.comfy_efficient_forward
self.video_length = video_length
self.image_cross_attention = image_cross_attention
self.image_cross_attention_scale = image_cross_attention_scale
self.text_context_len = text_context_len
self.image_cross_attention_scale_learnable = image_cross_attention_scale_learnable
if self.image_cross_attention:
self.to_k_ip = operations.Linear(context_dim, inner_dim, bias=False, device=device, dtype=dtype)
self.to_v_ip = operations.Linear(context_dim, inner_dim, bias=False, device=device, dtype=dtype)
if image_cross_attention_scale_learnable:
self.register_parameter('alpha', nn.Parameter(torch.tensor(0.)) )
def comfy_efficient_forward(self, x, context=None, mask=None, *args, **kwargs):
spatial_self_attn = (context is None)
k_ip, v_ip, out_ip = None, None, None
h = self.heads
q = self.to_q(x)
context = default(context, x)
if self.image_cross_attention and not spatial_self_attn:
context, context_image = context[:,:self.text_context_len,:], context[:,self.text_context_len:,:]
k = self.to_k(context)
v = self.to_v(context)
k_ip = self.to_k_ip(context_image)
v_ip = self.to_v_ip(context_image)
else:
if not spatial_self_attn:
context = context[:,:self.text_context_len,:]
k = self.to_k(context)
v = self.to_v(context)
out = optimized_attention(q, k, v, h)
if exists(mask):
## feasible for causal attention mask only
out = optimized_attention_masked(q, k, v, h)
## for image cross-attention
if k_ip is not None:
q = rearrange(q, 'b n (h d) -> (b h) n d', h=h)
k_ip, v_ip = map(lambda t: rearrange(t, 'b n (h d) -> (b h) n d', h=h), (k_ip, v_ip))
sim_ip = torch.einsum('b i d, b j d -> b i j', q, k_ip) * self.scale
del k_ip
sim_ip = sim_ip.softmax(dim=-1)
out_ip = torch.einsum('b i j, b j d -> b i d', sim_ip, v_ip)
out_ip = rearrange(out_ip, '(b h) n d -> b n (h d)', h=h)
if out_ip is not None:
if self.image_cross_attention_scale_learnable:
out = out + self.image_cross_attention_scale * out_ip * (torch.tanh(self.alpha)+1)
else:
out = out + self.image_cross_attention_scale * out_ip
return self.to_out(out)
def forward(self, x, context=None, mask=None):
spatial_self_attn = (context is None)
k_ip, v_ip, out_ip = None, None, None
h = self.heads
q = self.to_q(x)
context = default(context, x)
if self.image_cross_attention and not spatial_self_attn:
context, context_image = context[:,:self.text_context_len,:], context[:,self.text_context_len:,:]
k = self.to_k(context)
v = self.to_v(context)
k_ip = self.to_k_ip(context_image)
v_ip = self.to_v_ip(context_image)
else:
# Assumed Spatial Attention (b c h w)
if not spatial_self_attn:
context = context[:,:self.text_context_len,:]
k = self.to_k(context)
v = self.to_v(context)
q, k, v = map(lambda t: rearrange(t, 'b n (h d) -> (b h) n d', h=h), (q, k, v))
sim = torch.einsum('b i d, b j d -> b i j', q, k) * self.scale
if self.relative_position:
len_q, len_k, len_v = q.shape[1], k.shape[1], v.shape[1]
k2 = self.relative_position_k(len_q, len_k)
sim2 = einsum('b t d, t s d -> b t s', q, k2) * self.scale # TODO check
sim += sim2
del k
if exists(mask):
## feasible for causal attention mask only
max_neg_value = -torch.finfo(sim.dtype).max
mask = repeat(mask, 'b i j -> (b h) i j', h=h)
sim.masked_fill_(~(mask>0.5), max_neg_value)
# attention, what we cannot get enough of
sim = sim.softmax(dim=-1)
out = torch.einsum('b i j, b j d -> b i d', sim, v)
if self.relative_position:
v2 = self.relative_position_v(len_q, len_v)
out2 = einsum('b t s, t s d -> b t d', sim, v2) # TODO check
out += out2
out = rearrange(out, '(b h) n d -> b n (h d)', h=h)
## for image cross-attention
if k_ip is not None:
k_ip, v_ip = map(lambda t: rearrange(t, 'b n (h d) -> (b h) n d', h=h), (k_ip, v_ip))
sim_ip = torch.einsum('b i d, b j d -> b i j', q, k_ip) * self.scale
del k_ip
sim_ip = sim_ip.softmax(dim=-1)
out_ip = torch.einsum('b i j, b j d -> b i d', sim_ip, v_ip)
out_ip = rearrange(out_ip, '(b h) n d -> b n (h d)', h=h)
if out_ip is not None:
if self.image_cross_attention_scale_learnable:
out = out + self.image_cross_attention_scale * out_ip * (torch.tanh(self.alpha)+1)
else:
out = out + self.image_cross_attention_scale * out_ip
return self.to_out(out)
def efficient_forward(self, x, context=None, mask=None):
spatial_self_attn = (context is None)
k_ip, v_ip, out_ip = None, None, None
q = self.to_q(x)
context = default(context, x)
if self.image_cross_attention and not spatial_self_attn:
context, context_image = context[:,:self.text_context_len,:], context[:,self.text_context_len:,:]
k = self.to_k(context)
v = self.to_v(context)
k_ip = self.to_k_ip(context_image)
v_ip = self.to_v_ip(context_image)
else:
if not spatial_self_attn:
context = context[:,:self.text_context_len,:]
k = self.to_k(context)
v = self.to_v(context)
b, _, _ = q.shape
q, k, v = map(
lambda t: t.unsqueeze(3)
.reshape(b, t.shape[1], self.heads, self.dim_head)
.permute(0, 2, 1, 3)
.reshape(b * self.heads, t.shape[1], self.dim_head)
.contiguous(),
(q, k, v),
)
# actually compute the attention, what we cannot get enough of
out = xformers.ops.memory_efficient_attention(q, k, v, attn_bias=None, op=None)
## for image cross-attention
if k_ip is not None:
k_ip, v_ip = map(
lambda t: t.unsqueeze(3)
.reshape(b, t.shape[1], self.heads, self.dim_head)
.permute(0, 2, 1, 3)
.reshape(b * self.heads, t.shape[1], self.dim_head)
.contiguous(),
(k_ip, v_ip),
)
out_ip = xformers.ops.memory_efficient_attention(q, k_ip, v_ip, attn_bias=None, op=None)
out_ip = (
out_ip.unsqueeze(0)
.reshape(b, self.heads, out.shape[1], self.dim_head)
.permute(0, 2, 1, 3)
.reshape(b, out.shape[1], self.heads * self.dim_head)
)
if exists(mask):
raise NotImplementedError
out = (
out.unsqueeze(0)
.reshape(b, self.heads, out.shape[1], self.dim_head)
.permute(0, 2, 1, 3)
.reshape(b, out.shape[1], self.heads * self.dim_head)
)
if out_ip is not None:
if self.image_cross_attention_scale_learnable:
out = out + self.image_cross_attention_scale * out_ip * (torch.tanh(self.alpha)+1)
else:
out = out + self.image_cross_attention_scale * out_ip
return self.to_out(out)
class BasicTransformerBlock(nn.Module):
def __init__(
self,
dim,
n_heads,
d_head,
dropout=0.,
context_dim=None,
gated_ff=True,
checkpoint=True,
disable_self_attn=False,
attention_cls=None,
video_length=None,
inner_dim=None,
image_cross_attention=False,
image_cross_attention_scale=1.0,
image_cross_attention_scale_learnable=False,
switch_temporal_ca_to_sa=False,
text_context_len=77,
ff_in=None,
device=None,
dtype=None,
operations=ops
):
super().__init__()
attn_cls = CrossAttention if attention_cls is None else attention_cls
self.ff_in = ff_in or inner_dim is not None
if self.ff_in:
self.norm_in = operations.LayerNorm(dim, dtype=dtype, device=device)
self.ff_in = FeedForward(
dim,
dim_out=inner_dim,
dropout=dropout,
glu=gated_ff,
dtype=dtype,
device=device,
operations=operations
)
if inner_dim is None:
inner_dim = dim
self.is_res = inner_dim == dim
self.disable_self_attn = disable_self_attn
self.attn1 = attn_cls(query_dim=dim, heads=n_heads, dim_head=d_head, dropout=dropout,
context_dim=None, device=device, dtype=dtype if self.disable_self_attn else None)
self.ff = FeedForward(dim, dropout=dropout, glu=gated_ff, device=device, dtype=dtype)
self.attn2 = attn_cls(
query_dim=dim,
context_dim=context_dim,
heads=n_heads,
dim_head=d_head,
dropout=dropout,
video_length=video_length,
image_cross_attention=image_cross_attention,
image_cross_attention_scale=image_cross_attention_scale,
image_cross_attention_scale_learnable=image_cross_attention_scale_learnable,
text_context_len=text_context_len,
device=device,
dtype=dtype
)
self.image_cross_attention = image_cross_attention
self.norm1 = operations.LayerNorm(dim, device=device, dtype=dtype)
self.norm2 = operations.LayerNorm(dim, device=device, dtype=dtype)
self.norm3 = operations.LayerNorm(dim, device=device, dtype=dtype)
self.n_heads = n_heads
self.d_head = d_head
self.checkpoint = checkpoint
self.switch_temporal_ca_to_sa = switch_temporal_ca_to_sa
def forward(self, x, context=None, mask=None, **kwargs):
## implementation tricks: because checkpointing doesn't support non-tensor (e.g. None or scalar) arguments
input_tuple = (x,) ## should not be (x), otherwise *input_tuple will decouple x into multiple arguments
if context is not None:
input_tuple = (x, context)
if mask is not None:
forward_mask = partial(self._forward, mask=mask)
return checkpoint(forward_mask, (x,), self.parameters(), self.checkpoint)
return checkpoint(self._forward, input_tuple, self.parameters(), self.checkpoint)
def _forward(self, x, context=None, mask=None, transformer_options={}):
extra_options = {}
block = transformer_options.get("block", None)
block_index = transformer_options.get("block_index", 0)
transformer_patches = {}
transformer_patches_replace = {}
for k in transformer_options:
if k == "patches":
transformer_patches = transformer_options[k]
elif k == "patches_replace":
transformer_patches_replace = transformer_options[k]
else:
extra_options[k] = transformer_options[k]
extra_options["n_heads"] = self.n_heads
extra_options["dim_head"] = self.d_head
if self.ff_in:
x_skip = x
x = self.ff_in(self.norm_in(x))
if self.is_res:
x += x_skip
n = self.norm1(x)
if self.disable_self_attn:
context_attn1 = context
else:
context_attn1 = None
value_attn1 = None
if "attn1_patch" in transformer_patches:
patch = transformer_patches["attn1_patch"]
if context_attn1 is None:
context_attn1 = n
value_attn1 = context_attn1
for p in patch:
n, context_attn1, value_attn1 = p(n, context_attn1, value_attn1, extra_options)
if block is not None:
transformer_block = (block[0], block[1], block_index)
else:
transformer_block = None
attn1_replace_patch = transformer_patches_replace.get("attn1", {})
block_attn1 = transformer_block
if block_attn1 not in attn1_replace_patch:
block_attn1 = block
if block_attn1 in attn1_replace_patch:
if context_attn1 is None:
context_attn1 = n
value_attn1 = n
n = self.attn1.to_q(n)
context_attn1 = self.attn1.to_k(context_attn1)
value_attn1 = self.attn1.to_v(value_attn1)
n = attn1_replace_patch[block_attn1](n, context_attn1, value_attn1, extra_options)
n = self.attn1.to_out(n)
else:
n = self.attn1(n, context=context_attn1, value=value_attn1)
if "attn1_output_patch" in transformer_patches:
patch = transformer_patches["attn1_output_patch"]
for p in patch:
n = p(n, extra_options)
x += n
if "middle_patch" in transformer_patches:
patch = transformer_patches["middle_patch"]
for p in patch:
x = p(x, extra_options)
if self.attn2 is not None:
n = self.norm2(x)
if self.switch_temporal_ca_to_sa:
context_attn2 = n
else:
context_attn2 = context
value_attn2 = None
if "attn2_patch" in transformer_patches:
patch = transformer_patches["attn2_patch"]
value_attn2 = context_attn2
for p in patch:
n, context_attn2, value_attn2 = p(n, context_attn2, value_attn2, extra_options)
attn2_replace_patch = transformer_patches_replace.get("attn2", {})
block_attn2 = transformer_block
if block_attn2 not in attn2_replace_patch:
block_attn2 = block
if block_attn2 in attn2_replace_patch:
if value_attn2 is None:
value_attn2 = context_attn2
n = self.attn2.to_q(n)
context_attn2 = self.attn2.to_k(context_attn2)
value_attn2 = self.attn2.to_v(value_attn2)
n = attn2_replace_patch[block_attn2](n, context_attn2, value_attn2, extra_options)
n = self.attn2.to_out(n)
else:
n = self.attn2(n, context=context_attn2, value=value_attn2)
if "attn2_output_patch" in transformer_patches:
patch = transformer_patches["attn2_output_patch"]
for p in patch:
n = p(n, extra_options)
x += n
if self.is_res:
x_skip = x
x = self.ff(self.norm3(x))
if self.is_res:
x += x_skip
return x
class SpatialTransformer(nn.Module):
"""
Transformer block for image-like data in spatial axis.
First, project the input (aka embedding)
and reshape to b, t, d.
Then apply standard transformer action.
Finally, reshape to image
NEW: use_linear for more efficiency instead of the 1x1 convs
"""
def __init__(
self,
in_channels,
n_heads,
d_head,
depth=1,
dropout=0.,
context_dim=None,
use_checkpoint=True,
disable_self_attn=False,
use_linear=False,
video_length=None,
image_cross_attention=False,
image_cross_attention_scale_learnable=False,
device=None,
dtype=None,
operations=ops
):
super().__init__()
self.in_channels = in_channels
inner_dim = n_heads * d_head
self.norm = operations.GroupNorm(num_groups=32, num_channels=in_channels, eps=1e-6, affine=True, device=device, dtype=dtype)
if not use_linear:
self.proj_in = opeations.Conv2d(in_channels, inner_dim, kernel_size=1, stride=1, padding=0, device=device, dtype=dtype)
else:
self.proj_in = operations.Linear(in_channels, inner_dim, device=device, dtype=dtype)
attention_cls = None
self.transformer_blocks = nn.ModuleList([
BasicTransformerBlock(
inner_dim,
n_heads,
d_head,
dropout=dropout,
context_dim=context_dim,
disable_self_attn=disable_self_attn,
checkpoint=use_checkpoint,
attention_cls=attention_cls,
video_length=video_length,
image_cross_attention=image_cross_attention,
image_cross_attention_scale_learnable=image_cross_attention_scale_learnable,
device=device,
dtype=dtype
) for d in range(depth)
])
if not use_linear:
self.proj_out = zero_module(operations.Conv2d(inner_dim, in_channels, kernel_size=1, stride=1, padding=0, device=device, dtype=dtype))
else:
self.proj_out = zero_module(operations.Linear(inner_dim, in_channels, device=device, dtype=dtype))
self.use_linear = use_linear
def forward(self, x, context=None, transformer_options={}, **kwargs):
b, c, h, w = x.shape
x_in = x
x = self.norm(x)
if not self.use_linear:
x = self.proj_in(x)
x = rearrange(x, 'b c h w -> b (h w) c').contiguous()
if self.use_linear:
x = self.proj_in(x)
for i, block in enumerate(self.transformer_blocks):
transformer_options['block_index'] = i
x = block(x, context=context, **kwargs)
if self.use_linear:
x = self.proj_out(x)
x = rearrange(x, 'b (h w) c -> b c h w', h=h, w=w).contiguous()
if not self.use_linear:
x = self.proj_out(x)
return x + x_in
class TemporalTransformer(nn.Module):
"""
Transformer block for image-like data in temporal axis.
First, reshape to b, t, d.
Then apply standard transformer action.
Finally, reshape to image
"""
def __init__(
self,
in_channels,
n_heads,
d_head,
depth=1,
dropout=0.,
context_dim=None,
use_checkpoint=True,
use_linear=False,
only_self_att=True,
causal_attention=False,
causal_block_size=1,
relative_position=False,
temporal_length=None,
device=None,
dtype=None,
operations=ops
):
super().__init__()
self.only_self_att = only_self_att
self.relative_position = relative_position
self.causal_attention = causal_attention
self.causal_block_size = causal_block_size
if only_self_att:
context_dim = None
self.in_channels = in_channels
inner_dim = n_heads * d_head
self.norm = operations.GroupNorm(num_groups=32, num_channels=in_channels, eps=1e-6, affine=True, device=device, dtype=dtype)
self.proj_in = nn.Conv1d(in_channels, inner_dim, kernel_size=1, stride=1, padding=0).to(device, dtype)
if not use_linear:
self.proj_in = nn.Conv1d(in_channels, inner_dim, kernel_size=1, stride=1, padding=0).to(device, dtype)
else:
self.proj_in = operations.Linear(in_channels, inner_dim, device=device, dtype=dtype)
if relative_position:
assert(temporal_length is not None)
attention_cls = partial(CrossAttention, relative_position=True, temporal_length=temporal_length, device=device, dtype=dtype)
else:
attention_cls = partial(CrossAttention, temporal_length=temporal_length, device=device, dtype=dtype)
if self.causal_attention:
assert(temporal_length is not None)
self.mask = torch.tril(torch.ones([1, temporal_length, temporal_length]))
if self.only_self_att:
context_dim = None
self.transformer_blocks = nn.ModuleList([
BasicTransformerBlock(
inner_dim,
n_heads,
d_head,
dropout=dropout,
context_dim=context_dim,
attention_cls=attention_cls,
checkpoint=use_checkpoint,
device=device,
dtype=dtype
) for d in range(depth)
])
if not use_linear:
self.proj_out = zero_module(nn.Conv1d(inner_dim, in_channels, kernel_size=1, stride=1, padding=0).to(device, dtype))
else:
self.proj_out = zero_module(operations.Linear(inner_dim, in_channels, device=device, dtype=dtype))
self.use_linear = use_linear
def forward(self, x, context=None):
b, c, t, h, w = x.shape
x_in = x
x = self.norm(x)
x = rearrange(x, 'b c t h w -> (b h w) c t').contiguous()
if not self.use_linear:
x = self.proj_in(x)
x = rearrange(x, 'bhw c t -> bhw t c').contiguous()
if self.use_linear:
x = self.proj_in(x)
temp_mask = None
if self.causal_attention:
# slice the from mask map
temp_mask = self.mask[:,:t,:t].to(x.device)
if temp_mask is not None:
mask = temp_mask.to(x.device)
mask = repeat(mask, 'l i j -> (l bhw) i j', bhw=b*h*w)
else:
mask = None
if self.only_self_att:
## note: if no context is given, cross-attention defaults to self-attention
for i, block in enumerate(self.transformer_blocks):
x = block(x, mask=mask)
x = rearrange(x, '(b hw) t c -> b hw t c', b=b).contiguous()
else:
x = rearrange(x, '(b hw) t c -> b hw t c', b=b).contiguous()
context = rearrange(context, '(b t) l con -> b t l con', t=t).contiguous()
for i, block in enumerate(self.transformer_blocks):
# calculate each batch one by one (since number in shape could not greater then 65,535 for some package)
for j in range(b):
context_j = repeat(
context[j],
't l con -> (t r) l con', r=(h * w) // t, t=t).contiguous()
## note: causal mask will not applied in cross-attention case
x[j] = block(x[j], context=context_j)
if self.use_linear:
x = self.proj_out(x)
x = rearrange(x, 'b (h w) t c -> b c t h w', h=h, w=w).contiguous()
if not self.use_linear:
x = rearrange(x, 'b hw t c -> (b hw) c t').contiguous()
x = self.proj_out(x)
x = rearrange(x, '(b h w) c t -> b c t h w', b=b, h=h, w=w).contiguous()
return x + x_in
class GEGLU(nn.Module):
def __init__(self, dim_in, dim_out, device=None, dtype=None, operations=ops):
super().__init__()
self.proj = operations.Linear(dim_in, dim_out * 2, device=device, dtype=dtype)
def forward(self, x):
x, gate = self.proj(x).chunk(2, dim=-1)
return x * F.gelu(gate)
class FeedForward(nn.Module):
def __init__(self, dim, dim_out=None, mult=4, glu=False, dropout=0., device=None, dtype=None, operations=ops):
super().__init__()
inner_dim = int(dim * mult)
dim_out = default(dim_out, dim)
project_in = nn.Sequential(
operations.Linear(dim, inner_dim, device=device, dtype=dtype),
nn.GELU()
) if not glu else GEGLU(dim, inner_dim)
self.net = nn.Sequential(
project_in,
nn.Dropout(dropout),
operations.Linear(inner_dim, dim_out, device=device, dtype=dtype)
)
def forward(self, x):
return self.net(x)
class LinearAttention(nn.Module):
def __init__(self, dim, heads=4, dim_head=32, device=None, dtype=None, operations=ops):
super().__init__()
self.heads = heads
hidden_dim = dim_head * heads
self.to_qkv = operations.Conv2d(dim, hidden_dim * 3, 1, bias = False, device=device, dtype=dtype)
self.to_out = operations.Conv2d(hidden_dim, dim, 1, device=device, dtype=dtype)
def forward(self, x):
b, c, h, w = x.shape
qkv = self.to_qkv(x)
q, k, v = rearrange(qkv, 'b (qkv heads c) h w -> qkv b heads c (h w)', heads = self.heads, qkv=3)
k = k.softmax(dim=-1)
context = torch.einsum('bhdn,bhen->bhde', k, v)
out = torch.einsum('bhde,bhdn->bhen', context, q)
out = rearrange(out, 'b heads c (h w) -> b (heads c) h w', heads=self.heads, h=h, w=w)
return self.to_out(out)
class SpatialSelfAttention(nn.Module):
def __init__(self, in_channels, device=None, dtype=None, operations=ops):
super().__init__()
self.in_channels = in_channels
self.norm = operations.GroupNorm(
num_groups=32,
num_channels=in_channels,
eps=1e-6,
affine=True,
device=device,
dtype=dtype
)
self.q = operations.Conv2d(
in_channels,
in_channels,
kernel_size=1,
stride=1,
padding=0,
device=device,
dtype=dtype
)
self.k = operations.Conv2d(
in_channels,
in_channels,
kernel_size=1,
stride=1,
padding=0,
device=device,
dtype=dtype
)
self.v = operations.Conv2d(
in_channels,
in_channels,
kernel_size=1,
stride=1,
padding=0,
device=device,
dtype=dtype
)
self.proj_out = operations.Conv2d(
in_channels,
in_channels,
kernel_size=1,
stride=1,
padding=0,
device=device,
dtype=dtype
)
def forward(self, x):
h_ = x
h_ = self.norm(h_)
q = self.q(h_)
k = self.k(h_)
v = self.v(h_)
# compute attention
b,c,h,w = q.shape
q = rearrange(q, 'b c h w -> b (h w) c')
k = rearrange(k, 'b c h w -> b c (h w)')
w_ = torch.einsum('bij,bjk->bik', q, k)
w_ = w_ * (int(c)**(-0.5))
w_ = torch.nn.functional.softmax(w_, dim=2)
# attend to values
v = rearrange(v, 'b c h w -> b c (h w)')
w_ = rearrange(w_, 'b i j -> b j i')
h_ = torch.einsum('bij,bjk->bik', v, w_)
h_ = rearrange(h_, 'b c (h w) -> b c h w', h=h)
h_ = self.proj_out(h_)
return x+h_
@@ -1,389 +0,0 @@
import torch
import torch.nn as nn
import kornia
import open_clip
from torch.utils.checkpoint import checkpoint
from transformers import T5Tokenizer, T5EncoderModel, CLIPTokenizer, CLIPTextModel
from ..common import autocast
from utils.utils import count_params
class AbstractEncoder(nn.Module):
def __init__(self):
super().__init__()
def encode(self, *args, **kwargs):
raise NotImplementedError
class IdentityEncoder(AbstractEncoder):
def encode(self, x):
return x
class ClassEmbedder(nn.Module):
def __init__(self, embed_dim, n_classes=1000, key='class', ucg_rate=0.1):
super().__init__()
self.key = key
self.embedding = nn.Embedding(n_classes, embed_dim)
self.n_classes = n_classes
self.ucg_rate = ucg_rate
def forward(self, batch, key=None, disable_dropout=False):
if key is None:
key = self.key
# this is for use in crossattn
c = batch[key][:, None]
if self.ucg_rate > 0. and not disable_dropout:
mask = 1. - torch.bernoulli(torch.ones_like(c) * self.ucg_rate)
c = mask * c + (1 - mask) * torch.ones_like(c) * (self.n_classes - 1)
c = c.long()
c = self.embedding(c)
return c
def get_unconditional_conditioning(self, bs, device="cuda"):
uc_class = self.n_classes - 1 # 1000 classes --> 0 ... 999, one extra class for ucg (class 1000)
uc = torch.ones((bs,), device=device) * uc_class
uc = {self.key: uc}
return uc
def disabled_train(self, mode=True):
"""Overwrite model.train with this function to make sure train/eval mode
does not change anymore."""
return self
class FrozenT5Embedder(AbstractEncoder):
"""Uses the T5 transformer encoder for text"""
def __init__(self, version="google/t5-v1_1-large", device="cuda", max_length=77,
freeze=True): # others are google/t5-v1_1-xl and google/t5-v1_1-xxl
super().__init__()
self.tokenizer = T5Tokenizer.from_pretrained(version)
self.transformer = T5EncoderModel.from_pretrained(version)
self.device = device
self.max_length = max_length # TODO: typical value?
if freeze:
self.freeze()
def freeze(self):
self.transformer = self.transformer.eval()
# self.train = disabled_train
for param in self.parameters():
param.requires_grad = False
def forward(self, text):
batch_encoding = self.tokenizer(text, truncation=True, max_length=self.max_length, return_length=True,
return_overflowing_tokens=False, padding="max_length", return_tensors="pt")
tokens = batch_encoding["input_ids"].to(self.device)
outputs = self.transformer(input_ids=tokens)
z = outputs.last_hidden_state
return z
def encode(self, text):
return self(text)
class FrozenCLIPEmbedder(AbstractEncoder):
"""Uses the CLIP transformer encoder for text (from huggingface)"""
LAYERS = [
"last",
"pooled",
"hidden"
]
def __init__(self, version="openai/clip-vit-large-patch14", device="cuda", max_length=77,
freeze=True, layer="last", layer_idx=None): # clip-vit-base-patch32
super().__init__()
assert layer in self.LAYERS
self.tokenizer = CLIPTokenizer.from_pretrained(version)
self.transformer = CLIPTextModel.from_pretrained(version)
self.device = device
self.max_length = max_length
if freeze:
self.freeze()
self.layer = layer
self.layer_idx = layer_idx
if layer == "hidden":
assert layer_idx is not None
assert 0 <= abs(layer_idx) <= 12
def freeze(self):
self.transformer = self.transformer.eval()
# self.train = disabled_train
for param in self.parameters():
param.requires_grad = False
def forward(self, text):
batch_encoding = self.tokenizer(text, truncation=True, max_length=self.max_length, return_length=True,
return_overflowing_tokens=False, padding="max_length", return_tensors="pt")
tokens = batch_encoding["input_ids"].to(self.device)
outputs = self.transformer(input_ids=tokens, output_hidden_states=self.layer == "hidden")
if self.layer == "last":
z = outputs.last_hidden_state
elif self.layer == "pooled":
z = outputs.pooler_output[:, None, :]
else:
z = outputs.hidden_states[self.layer_idx]
return z
def encode(self, text):
return self(text)
class ClipImageEmbedder(nn.Module):
def __init__(
self,
model,
jit=False,
device='cuda' if torch.cuda.is_available() else 'cpu',
antialias=True,
ucg_rate=0.
):
super().__init__()
from clip import load as load_clip
self.model, _ = load_clip(name=model, device=device, jit=jit)
self.antialias = antialias
self.register_buffer('mean', torch.Tensor([0.48145466, 0.4578275, 0.40821073]), persistent=False)
self.register_buffer('std', torch.Tensor([0.26862954, 0.26130258, 0.27577711]), persistent=False)
self.ucg_rate = ucg_rate
def preprocess(self, x):
# normalize to [0,1]
x = kornia.geometry.resize(x, (224, 224),
interpolation='bicubic', align_corners=True,
antialias=self.antialias)
x = (x + 1.) / 2.
# re-normalize according to clip
x = kornia.enhance.normalize(x, self.mean, self.std)
return x
def forward(self, x, no_dropout=False):
# x is assumed to be in range [-1,1]
out = self.model.encode_image(self.preprocess(x))
out = out.to(x.dtype)
if self.ucg_rate > 0. and not no_dropout:
out = torch.bernoulli((1. - self.ucg_rate) * torch.ones(out.shape[0], device=out.device))[:, None] * out
return out
class FrozenOpenCLIPEmbedder(AbstractEncoder):
"""
Uses the OpenCLIP transformer encoder for text
"""
LAYERS = [
# "pooled",
"last",
"penultimate"
]
def __init__(self, arch="ViT-H-14", version="laion2b_s32b_b79k", device="cuda", max_length=77,
freeze=True, layer="last"):
super().__init__()
assert layer in self.LAYERS
model, _, _ = open_clip.create_model_and_transforms(arch, device=torch.device('cpu'), pretrained=version)
del model.visual
self.model = model
self.device = device
self.max_length = max_length
if freeze:
self.freeze()
self.layer = layer
if self.layer == "last":
self.layer_idx = 0
elif self.layer == "penultimate":
self.layer_idx = 1
else:
raise NotImplementedError()
def freeze(self):
self.model = self.model.eval()
for param in self.parameters():
param.requires_grad = False
def forward(self, text):
tokens = open_clip.tokenize(text) ## all clip models use 77 as context length
z = self.encode_with_transformer(tokens.to(self.device))
return z
def encode_with_transformer(self, text):
x = self.model.token_embedding(text) # [batch_size, n_ctx, d_model]
x = x + self.model.positional_embedding
x = x.permute(1, 0, 2) # NLD -> LND
x = self.text_transformer_forward(x, attn_mask=self.model.attn_mask)
x = x.permute(1, 0, 2) # LND -> NLD
x = self.model.ln_final(x)
return x
def text_transformer_forward(self, x: torch.Tensor, attn_mask=None):
for i, r in enumerate(self.model.transformer.resblocks):
if i == len(self.model.transformer.resblocks) - self.layer_idx:
break
if self.model.transformer.grad_checkpointing and not torch.jit.is_scripting():
x = checkpoint(r, x, attn_mask)
else:
x = r(x, attn_mask=attn_mask)
return x
def encode(self, text):
return self(text)
class FrozenOpenCLIPImageEmbedder(AbstractEncoder):
"""
Uses the OpenCLIP vision transformer encoder for images
"""
def __init__(self, arch="ViT-H-14", version="laion2b_s32b_b79k", device="cuda", max_length=77,
freeze=True, layer="pooled", antialias=True, ucg_rate=0.):
super().__init__()
model, _, _ = open_clip.create_model_and_transforms(arch, device=torch.device('cpu'),
pretrained=version, )
del model.transformer
self.model = model
# self.mapper = torch.nn.Linear(1280, 1024)
self.device = device
self.max_length = max_length
if freeze:
self.freeze()
self.layer = layer
if self.layer == "penultimate":
raise NotImplementedError()
self.layer_idx = 1
self.antialias = antialias
self.register_buffer('mean', torch.Tensor([0.48145466, 0.4578275, 0.40821073]), persistent=False)
self.register_buffer('std', torch.Tensor([0.26862954, 0.26130258, 0.27577711]), persistent=False)
self.ucg_rate = ucg_rate
def preprocess(self, x):
# normalize to [0,1]
x = kornia.geometry.resize(x, (224, 224),
interpolation='bicubic', align_corners=True,
antialias=self.antialias)
x = (x + 1.) / 2.
# renormalize according to clip
x = kornia.enhance.normalize(x, self.mean, self.std)
return x
def freeze(self):
self.model = self.model.eval()
for param in self.model.parameters():
param.requires_grad = False
@autocast
def forward(self, image, no_dropout=False):
z = self.encode_with_vision_transformer(image)
if self.ucg_rate > 0. and not no_dropout:
z = torch.bernoulli((1. - self.ucg_rate) * torch.ones(z.shape[0], device=z.device))[:, None] * z
return z
def encode_with_vision_transformer(self, img):
img = self.preprocess(img)
x = self.model.visual(img)
return x
def encode(self, text):
return self(text)
class FrozenOpenCLIPImageEmbedderV2(AbstractEncoder):
"""
Uses the OpenCLIP vision transformer encoder for images
"""
def __init__(self, arch="ViT-H-14", version="laion2b_s32b_b79k", device="cuda",
freeze=True, layer="pooled", antialias=True):
super().__init__()
model, _, _ = open_clip.create_model_and_transforms(arch, device=torch.device('cpu'),
pretrained=version, )
del model.transformer
self.model = model
self.device = device
if freeze:
self.freeze()
self.layer = layer
if self.layer == "penultimate":
raise NotImplementedError()
self.layer_idx = 1
self.antialias = antialias
self.register_buffer('mean', torch.Tensor([0.48145466, 0.4578275, 0.40821073]), persistent=False)
self.register_buffer('std', torch.Tensor([0.26862954, 0.26130258, 0.27577711]), persistent=False)
def preprocess(self, x):
# normalize to [0,1]
x = kornia.geometry.resize(x, (224, 224),
interpolation='bicubic', align_corners=True,
antialias=self.antialias)
x = (x + 1.) / 2.
# renormalize according to clip
x = kornia.enhance.normalize(x, self.mean, self.std)
return x
def freeze(self):
self.model = self.model.eval()
for param in self.model.parameters():
param.requires_grad = False
def forward(self, image, no_dropout=False):
## image: b c h w
z = self.encode_with_vision_transformer(image)
return z
def encode_with_vision_transformer(self, x):
x = self.preprocess(x)
# to patches - whether to use dual patchnorm - https://arxiv.org/abs/2302.01327v1
if self.model.visual.input_patchnorm:
# einops - rearrange(x, 'b c (h p1) (w p2) -> b (h w) (c p1 p2)')
x = x.reshape(x.shape[0], x.shape[1], self.model.visual.grid_size[0], self.model.visual.patch_size[0], self.model.visual.grid_size[1], self.model.visual.patch_size[1])
x = x.permute(0, 2, 4, 1, 3, 5)
x = x.reshape(x.shape[0], self.model.visual.grid_size[0] * self.model.visual.grid_size[1], -1)
x = self.model.visual.patchnorm_pre_ln(x)
x = self.model.visual.conv1(x)
else:
x = self.model.visual.conv1(x) # shape = [*, width, grid, grid]
x = x.reshape(x.shape[0], x.shape[1], -1) # shape = [*, width, grid ** 2]
x = x.permute(0, 2, 1) # shape = [*, grid ** 2, width]
# class embeddings and positional embeddings
x = torch.cat(
[self.model.visual.class_embedding.to(x.dtype) + torch.zeros(x.shape[0], 1, x.shape[-1], dtype=x.dtype, device=x.device),
x], dim=1) # shape = [*, grid ** 2 + 1, width]
x = x + self.model.visual.positional_embedding.to(x.dtype)
# a patch_dropout of 0. would mean it is disabled and this function would do nothing but return what was passed in
x = self.model.visual.patch_dropout(x)
x = self.model.visual.ln_pre(x)
x = x.permute(1, 0, 2) # NLD -> LND
x = self.model.visual.transformer(x)
x = x.permute(1, 0, 2) # LND -> NLD
return x
class FrozenCLIPT5Encoder(AbstractEncoder):
def __init__(self, clip_version="openai/clip-vit-large-patch14", t5_version="google/t5-v1_1-xl", device="cuda",
clip_max_length=77, t5_max_length=77):
super().__init__()
self.clip_encoder = FrozenCLIPEmbedder(clip_version, device, max_length=clip_max_length)
self.t5_encoder = FrozenT5Embedder(t5_version, device, max_length=t5_max_length)
print(f"{self.clip_encoder.__class__.__name__} has {count_params(self.clip_encoder) * 1.e-6:.2f} M parameters, "
f"{self.t5_encoder.__class__.__name__} comes with {count_params(self.t5_encoder) * 1.e-6:.2f} M params.")
def encode(self, text):
return self(text)
def forward(self, text):
clip_z = self.clip_encoder.encode(text)
t5_z = self.t5_encoder.encode(text)
return [clip_z, t5_z]
@@ -1,145 +0,0 @@
# modified from https://github.com/mlfoundations/open_flamingo/blob/main/open_flamingo/src/helpers.py
# and https://github.com/lucidrains/imagen-pytorch/blob/main/imagen_pytorch/imagen_pytorch.py
# and https://github.com/tencent-ailab/IP-Adapter/blob/main/ip_adapter/resampler.py
import math
import torch
import torch.nn as nn
class ImageProjModel(nn.Module):
"""Projection Model"""
def __init__(self, cross_attention_dim=1024, clip_embeddings_dim=1024, clip_extra_context_tokens=4):
super().__init__()
self.cross_attention_dim = cross_attention_dim
self.clip_extra_context_tokens = clip_extra_context_tokens
self.proj = nn.Linear(clip_embeddings_dim, self.clip_extra_context_tokens * cross_attention_dim)
self.norm = nn.LayerNorm(cross_attention_dim)
def forward(self, image_embeds):
#embeds = image_embeds
embeds = image_embeds.type(list(self.proj.parameters())[0].dtype)
clip_extra_context_tokens = self.proj(embeds).reshape(-1, self.clip_extra_context_tokens, self.cross_attention_dim)
clip_extra_context_tokens = self.norm(clip_extra_context_tokens)
return clip_extra_context_tokens
# FFN
def FeedForward(dim, mult=4):
inner_dim = int(dim * mult)
return nn.Sequential(
nn.LayerNorm(dim),
nn.Linear(dim, inner_dim, bias=False),
nn.GELU(),
nn.Linear(inner_dim, dim, bias=False),
)
def reshape_tensor(x, heads):
bs, length, width = x.shape
#(bs, length, width) --> (bs, length, n_heads, dim_per_head)
x = x.view(bs, length, heads, -1)
# (bs, length, n_heads, dim_per_head) --> (bs, n_heads, length, dim_per_head)
x = x.transpose(1, 2)
# (bs, n_heads, length, dim_per_head) --> (bs*n_heads, length, dim_per_head)
x = x.reshape(bs, heads, length, -1)
return x
class PerceiverAttention(nn.Module):
def __init__(self, *, dim, dim_head=64, heads=8):
super().__init__()
self.scale = dim_head**-0.5
self.dim_head = dim_head
self.heads = heads
inner_dim = dim_head * heads
self.norm1 = nn.LayerNorm(dim)
self.norm2 = nn.LayerNorm(dim)
self.to_q = nn.Linear(dim, inner_dim, bias=False)
self.to_kv = nn.Linear(dim, inner_dim * 2, bias=False)
self.to_out = nn.Linear(inner_dim, dim, bias=False)
def forward(self, x, latents):
"""
Args:
x (torch.Tensor): image features
shape (b, n1, D)
latent (torch.Tensor): latent features
shape (b, n2, D)
"""
x = self.norm1(x)
latents = self.norm2(latents)
b, l, _ = latents.shape
q = self.to_q(latents)
kv_input = torch.cat((x, latents), dim=-2)
k, v = self.to_kv(kv_input).chunk(2, dim=-1)
q = reshape_tensor(q, self.heads)
k = reshape_tensor(k, self.heads)
v = reshape_tensor(v, self.heads)
# attention
scale = 1 / math.sqrt(math.sqrt(self.dim_head))
weight = (q * scale) @ (k * scale).transpose(-2, -1) # More stable with f16 than dividing afterwards
weight = torch.softmax(weight.float(), dim=-1).type(weight.dtype)
out = weight @ v
out = out.permute(0, 2, 1, 3).reshape(b, l, -1)
return self.to_out(out)
class Resampler(nn.Module):
def __init__(
self,
dim=1024,
depth=8,
dim_head=64,
heads=16,
num_queries=8,
embedding_dim=768,
output_dim=1024,
ff_mult=4,
video_length=None, # using frame-wise version or not
):
super().__init__()
## queries for a single frame / image
self.num_queries = num_queries
self.video_length = video_length
## <num_queries> queries for each frame
if video_length is not None:
num_queries = num_queries * video_length
self.latents = nn.Parameter(torch.randn(1, num_queries, dim) / dim**0.5)
self.proj_in = nn.Linear(embedding_dim, dim)
self.proj_out = nn.Linear(dim, output_dim)
self.norm_out = nn.LayerNorm(output_dim)
self.layers = nn.ModuleList([])
for _ in range(depth):
self.layers.append(
nn.ModuleList(
[
PerceiverAttention(dim=dim, dim_head=dim_head, heads=heads),
FeedForward(dim=dim, mult=ff_mult),
]
)
)
def forward(self, x):
latents = self.latents.repeat(x.size(0), 1, 1) ## B (T L) C
x = self.proj_in(x)
for attn, ff in self.layers:
latents = attn(x, latents) + latents
latents = ff(latents) + latents
latents = self.proj_out(latents)
latents = self.norm_out(latents) # B L C or B (T L) C
return latents
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@@ -1,822 +0,0 @@
from functools import partial
from abc import abstractmethod
import torch
import torch.nn as nn
from einops import rearrange
import torch.nn.functional as F
from ...models.utils_diffusion import timestep_embedding
from ...common import checkpoint
from ...basics import (
zero_module,
conv_nd,
linear,
avg_pool_nd,
normalization
)
from ...modules.attention import SpatialTransformer, TemporalTransformer
import comfy.ops
import logging
ops = comfy.ops.disable_weight_init
class TimestepBlock(nn.Module):
"""
Any module where forward() takes timestep embeddings as a second argument.
"""
@abstractmethod
def forward(self, x, emb):
"""
Apply the module to `x` given `emb` timestep embeddings.
"""
#This is needed because accelerate makes a copy of transformer_options which breaks "transformer_index"
def forward_timestep_embed(ts, x, emb, context=None, batch_size=None, transformer_options={}):
for layer in ts:
if isinstance(layer, TimestepBlock):
x = layer(x, emb, batch_size=batch_size)
elif isinstance(layer, SpatialTransformer):
x = layer(x, context)
if "transformer_index" in transformer_options:
transformer_options["transformer_index"] += 1
elif isinstance(layer, TemporalTransformer):
x = rearrange(x, '(b f) c h w -> b c f h w', b=batch_size)
x = layer(x, context)
if "transformer_index" in transformer_options:
transformer_options["transformer_index"] += 1
x = rearrange(x, 'b c f h w -> (b f) c h w')
else:
x = layer(x)
return x
class TimestepEmbedSequential(nn.Sequential, TimestepBlock):
"""
A sequential module that passes timestep embeddings to the children that
support it as an extra input.
"""
def forward(self, *args, **kwargs):
return forward_timestep_embed(self, *args, **kwargs)
class Downsample(nn.Module):
"""
A downsampling layer with an optional convolution.
:param channels: channels in the inputs and outputs.
:param use_conv: a bool determining if a convolution is applied.
:param dims: determines if the signal is 1D, 2D, or 3D. If 3D, then
downsampling occurs in the inner-two dimensions.
"""
def __init__(self, channels, use_conv, dims=2, out_channels=None, padding=1, dtype=None, device=None, operations=ops):
super().__init__()
self.channels = channels
self.out_channels = out_channels or channels
self.use_conv = use_conv
self.dims = dims
stride = 2 if dims != 3 else (1, 2, 2)
if use_conv:
self.op = operations.conv_nd(
dims, self.channels, self.out_channels, 3, stride=stride, padding=padding
)
else:
assert self.channels == self.out_channels
self.op = avg_pool_nd(dims, kernel_size=stride, stride=stride)
def forward(self, x):
assert x.shape[1] == self.channels
return self.op(x)
class Upsample(nn.Module):
"""
An upsampling layer with an optional convolution.
:param channels: channels in the inputs and outputs.
:param use_conv: a bool determining if a convolution is applied.
:param dims: determines if the signal is 1D, 2D, or 3D. If 3D, then
upsampling occurs in the inner-two dimensions.
"""
def __init__(self, channels, use_conv, dims=2, out_channels=None, padding=1, dtype=None, device=None, operations=ops):
super().__init__()
self.channels = channels
self.out_channels = out_channels or channels
self.use_conv = use_conv
self.dims = dims
if use_conv:
self.conv = operations.conv_nd(dims, self.channels, self.out_channels, 3, padding=padding, dtype=dtype, device=device)
def forward(self, x):
assert x.shape[1] == self.channels
if self.dims == 3:
x = F.interpolate(x, (x.shape[2], x.shape[3] * 2, x.shape[4] * 2), mode='nearest')
else:
x = F.interpolate(x, scale_factor=2, mode='nearest')
if self.use_conv:
x = self.conv(x)
return x
class ResBlock(TimestepBlock):
"""
A residual block that can optionally change the number of channels.
:param channels: the number of input channels.
:param emb_channels: the number of timestep embedding channels.
:param dropout: the rate of dropout.
:param out_channels: if specified, the number of out channels.
:param use_conv: if True and out_channels is specified, use a spatial
convolution instead of a smaller 1x1 convolution to change the
channels in the skip connection.
:param dims: determines if the signal is 1D, 2D, or 3D.
:param up: if True, use this block for upsampling.
:param down: if True, use this block for downsampling.
:param use_temporal_conv: if True, use the temporal convolution.
:param use_image_dataset: if True, the temporal parameters will not be optimized.
"""
def __init__(
self,
channels,
emb_channels,
dropout,
out_channels=None,
use_scale_shift_norm=False,
dims=2,
use_checkpoint=False,
use_conv=False,
up=False,
down=False,
kernel_size=3,
use_temporal_conv=False,
tempspatial_aware=False,
dtype=None,
device=None,
operations=ops
):
super().__init__()
self.channels = channels
self.emb_channels = emb_channels
self.dropout = dropout
self.out_channels = out_channels or channels
self.use_conv = use_conv
self.use_checkpoint = use_checkpoint
self.use_scale_shift_norm = use_scale_shift_norm
self.use_temporal_conv = use_temporal_conv
if isinstance(kernel_size, list):
padding =[k // 2 for k in kernel_size]
else:
padding = kernel_size // 2
# operations used in normalization function
self.in_layers = nn.Sequential(
normalization(channels, dtype=dtype, device=device),
nn.SiLU(),
operations.conv_nd(dims, channels, self.out_channels, 3, padding=1, dtype=dtype, device=device),
)
self.updown = up or down
if up:
self.h_upd = Upsample(channels, False, dims, dtype=dtype, device=device)
self.x_upd = Upsample(channels, False, dims, dtype=dtype, device=device)
elif down:
self.h_upd = Downsample(channels, False, dims, dtype=dtype, device=device)
self.x_upd = Downsample(channels, False, dims, dtype=dtype, device=device)
else:
self.h_upd = self.x_upd = nn.Identity()
self.emb_layers = nn.Sequential(
nn.SiLU(),
operations.Linear(
emb_channels,
2 * self.out_channels if use_scale_shift_norm else self.out_channels,
dtype=dtype,
device=device
),
)
self.out_layers = nn.Sequential(
normalization(self.out_channels, dtype=dtype, device=device),
nn.SiLU(),
nn.Dropout(p=dropout),
zero_module(operations.Conv2d(self.out_channels, self.out_channels, 3, padding=1, dtype=dtype, device=device)),
)
if self.out_channels == channels:
self.skip_connection = nn.Identity()
elif use_conv:
self.skip_connection = operations.conv_nd(dims, channels, self.out_channels, 3, padding=1, dtype=dtype, device=device)
else:
self.skip_connection = operations.conv_nd(dims, channels, self.out_channels, 1, dtype=dtype, device=device)
if self.use_temporal_conv:
self.temopral_conv = TemporalConvBlock(
self.out_channels,
self.out_channels,
dropout=0.1,
spatial_aware=tempspatial_aware,
dtype=dtype,
device=device
)
def forward(self, x, emb, batch_size=None):
"""
Apply the block to a Tensor, conditioned on a timestep embedding.
:param x: an [N x C x ...] Tensor of features.
:param emb: an [N x emb_channels] Tensor of timestep embeddings.
:return: an [N x C x ...] Tensor of outputs.
"""
input_tuple = (x, emb)
if batch_size:
forward_batchsize = partial(self._forward, batch_size=batch_size)
return checkpoint(forward_batchsize, input_tuple, self.parameters(), self.use_checkpoint)
return checkpoint(self._forward, input_tuple, self.parameters(), self.use_checkpoint)
def _forward(self, x, emb, batch_size=None):
if self.updown:
in_rest, in_conv = self.in_layers[:-1], self.in_layers[-1]
h = in_rest(x)
h = self.h_upd(h)
x = self.x_upd(x)
h = in_conv(h)
else:
h = self.in_layers(x)
emb_out = self.emb_layers(emb).type(h.dtype)
while len(emb_out.shape) < len(h.shape):
emb_out = emb_out[..., None]
if self.use_scale_shift_norm:
out_norm, out_rest = self.out_layers[0], self.out_layers[1:]
scale, shift = torch.chunk(emb_out, 2, dim=1)
h = out_norm(h) * (1 + scale) + shift
h = out_rest(h)
else:
h = h + emb_out
h = self.out_layers(h)
h = self.skip_connection(x) + h
if self.use_temporal_conv and batch_size:
h = rearrange(h, '(b t) c h w -> b c t h w', b=batch_size)
h = self.temopral_conv(h)
h = rearrange(h, 'b c t h w -> (b t) c h w')
return h
class TemporalConvBlock(nn.Module):
"""
Adapted from modelscope: https://github.com/modelscope/modelscope/blob/master/modelscope/models/multi_modal/video_synthesis/unet_sd.py
"""
def __init__(
self,
in_channels,
out_channels=None,
dropout=0.0,
spatial_aware=False,
dtype=None,
device=None,
operations=ops
):
super(TemporalConvBlock, self).__init__()
if out_channels is None:
out_channels = in_channels
self.in_channels = in_channels
self.out_channels = out_channels
th_kernel_shape = (3, 1, 1) if not spatial_aware else (3, 3, 1)
th_padding_shape = (1, 0, 0) if not spatial_aware else (1, 1, 0)
tw_kernel_shape = (3, 1, 1) if not spatial_aware else (3, 1, 3)
tw_padding_shape = (1, 0, 0) if not spatial_aware else (1, 0, 1)
# conv layers
self.conv1 = nn.Sequential(
operations.GroupNorm(32, in_channels, device=device, dtype=dtype), nn.SiLU(),
operations.Conv3d(in_channels, out_channels, th_kernel_shape, padding=th_padding_shape, device=device, dtype=dtype))
self.conv2 = nn.Sequential(
operations.GroupNorm(32, out_channels, device=device, dtype=dtype), nn.SiLU(), nn.Dropout(dropout),
operations.Conv3d(out_channels, in_channels, tw_kernel_shape, padding=tw_padding_shape, device=device, dtype=dtype))
self.conv3 = nn.Sequential(
operations.GroupNorm(32, out_channels, device=device, dtype=dtype), nn.SiLU(), nn.Dropout(dropout),
operations.Conv3d(out_channels, in_channels, th_kernel_shape, padding=th_padding_shape, device=device, dtype=dtype))
self.conv4 = nn.Sequential(
operations.GroupNorm(32, out_channels, device=device, dtype=dtype), nn.SiLU(), nn.Dropout(dropout),
operations.Conv3d(out_channels, in_channels, tw_kernel_shape, padding=tw_padding_shape, device=device, dtype=dtype))
# zero out the last layer params,so the conv block is identity
nn.init.zeros_(self.conv4[-1].weight)
nn.init.zeros_(self.conv4[-1].bias)
def forward(self, x):
identity = x
x = self.conv1(x)
x = self.conv2(x)
x = self.conv3(x)
x = self.conv4(x)
return identity + x
def context_processor(context, t, img_emb=None, temporal_size=16, concat_only=False, disable_concat=False):
if disable_concat:
return context
## repeat t times for context [(b t) 77 768] & time embedding
## check if we use per-frame image conditioning
if img_emb is not None:
context = torch.cat([context, img_emb.to(context.device, context.dtype)], dim=1)
if concat_only:
return context
b, l_context, _ = context.shape
if l_context == 77 + t * temporal_size:
context_text, context_img = context[:,:77,:], context[:,77:,:]
context_text = context_text.repeat_interleave(repeats=t, dim=0)
context_img = rearrange(context_img, 'b (t l) c -> (b t) l c', t=t)
context = torch.cat([context_text, context_img], dim=1)
else:
context = context.repeat_interleave(repeats=t, dim=0)
return context
def apply_control(h, control, name, cond_idx=None):
if control is not None and name in control and len(control[name]) > 0:
frames = h.shape[0]
ctrl = control[name].pop()
if ctrl is not None:
try:
if cond_idx is not None and ctrl.shape[0] > frames:
ctrl_frames_list = list(range(ctrl.shape[0]))
ctrl_frames = len(ctrl_frames_list)
idxs = (
ctrl_frames_list[ctrl_frames // 2:] if cond_idx == 0 else \
ctrl_frames_list[:ctrl_frames // 2]
)
ctrl = ctrl[idxs]
h += ctrl
except Exception as e:
if h.shape != ctrl.shape:
logging.warning(
"warning control could not be applied {} {}".format(h.shape, ctrl.shape)
)
logging.warning(e)
return h
class UNetModel(nn.Module):
"""
The full UNet model with attention and timestep embedding.
:param in_channels: in_channels in the input Tensor.
:param model_channels: base channel count for the model.
:param out_channels: channels in the output Tensor.
:param num_res_blocks: number of residual blocks per downsample.
:param attention_resolutions: a collection of downsample rates at which
attention will take place. May be a set, list, or tuple.
For example, if this contains 4, then at 4x downsampling, attention
will be used.
:param dropout: the dropout probability.
:param channel_mult: channel multiplier for each level of the UNet.
:param conv_resample: if True, use learned convolutions for upsampling and
downsampling.
:param dims: determines if the signal is 1D, 2D, or 3D.
:param num_classes: if specified (as an int), then this model will be
class-conditional with `num_classes` classes.
:param use_checkpoint: use gradient checkpointing to reduce memory usage.
:param num_heads: the number of attention heads in each attention layer.
:param num_heads_channels: if specified, ignore num_heads and instead use
a fixed channel width per attention head.
:param num_heads_upsample: works with num_heads to set a different number
of heads for upsampling. Deprecated.
:param use_scale_shift_norm: use a FiLM-like conditioning mechanism.
:param resblock_updown: use residual blocks for up/downsampling.
:param use_new_attention_order: use a different attention pattern for potentially
increased efficiency.
"""
def __init__(self,
in_channels,
model_channels,
out_channels,
num_res_blocks,
attention_resolutions,
dropout=0.0,
channel_mult=(1, 2, 4, 8),
conv_resample=True,
dims=2,
context_dim=None,
use_scale_shift_norm=False,
resblock_updown=False,
num_heads=-1,
num_head_channels=-1,
transformer_depth=1,
use_linear=False,
use_checkpoint=False,
temporal_conv=False,
tempspatial_aware=False,
temporal_attention=True,
use_relative_position=True,
use_causal_attention=False,
temporal_length=None,
use_fp16=False,
addition_attention=False,
temporal_selfatt_only=True,
image_cross_attention=False,
image_cross_attention_scale_learnable=False,
default_fs=4,
fs_condition=False,
device=None,
dtype=torch.float16,
operations=ops
):
super(UNetModel, self).__init__()
if num_heads == -1:
assert num_head_channels != -1, 'Either num_heads or num_head_channels has to be set'
if num_head_channels == -1:
assert num_heads != -1, 'Either num_heads or num_head_channels has to be set'
self.in_channels = in_channels
self.model_channels = model_channels
self.out_channels = out_channels
self.num_res_blocks = num_res_blocks
self.attention_resolutions = attention_resolutions
self.dropout = dropout
self.channel_mult = channel_mult
self.conv_resample = conv_resample
self.temporal_attention = temporal_attention
time_embed_dim = model_channels * 4
self.use_checkpoint = use_checkpoint
temporal_self_att_only = True
self.addition_attention = addition_attention
self.temporal_length = temporal_length
self.image_cross_attention = image_cross_attention
self.image_cross_attention_scale_learnable = image_cross_attention_scale_learnable
self.default_fs = default_fs
self.fs_condition = fs_condition
self.device = device
#self.dtype = dtype
self.dtype = torch.float32
## Time embedding blocks
self.time_embed = nn.Sequential(
linear(model_channels, time_embed_dim, device=device, dtype=self.dtype),
nn.SiLU(),
linear(time_embed_dim, time_embed_dim, device=device, dtype=self.dtype),
)
if fs_condition:
self.fps_embedding = nn.Sequential(
linear(model_channels, time_embed_dim, device=device, dtype=self.dtype),
nn.SiLU(),
linear(time_embed_dim, time_embed_dim, device=device, dtype=self.dtype),
)
nn.init.zeros_(self.fps_embedding[-1].weight)
nn.init.zeros_(self.fps_embedding[-1].bias)
## Input Block
self.input_blocks = nn.ModuleList(
[
TimestepEmbedSequential(
operations.conv_nd(
dims,
in_channels,
model_channels,
3,
padding=1,
device=device,
dtype=self.dtype
))
]
)
if self.addition_attention:
self.init_attn=TimestepEmbedSequential(
TemporalTransformer(
model_channels,
n_heads=8,
d_head=num_head_channels,
depth=transformer_depth,
context_dim=context_dim,
use_checkpoint=use_checkpoint, only_self_att=temporal_selfatt_only,
causal_attention=False, relative_position=use_relative_position,
temporal_length=temporal_length,
device=device,
dtype=self.dtype
))
input_block_chans = [model_channels]
ch = model_channels
ds = 1
for level, mult in enumerate(channel_mult):
for _ in range(num_res_blocks):
layers = [
ResBlock(ch, time_embed_dim, dropout,
out_channels=mult * model_channels, dims=dims, use_checkpoint=use_checkpoint,
use_scale_shift_norm=use_scale_shift_norm, tempspatial_aware=tempspatial_aware,
use_temporal_conv=temporal_conv,
device=device,
dtype=self.dtype
)
]
ch = mult * model_channels
if ds in attention_resolutions:
if num_head_channels == -1:
dim_head = ch // num_heads
else:
num_heads = ch // num_head_channels
dim_head = num_head_channels
layers.append(
SpatialTransformer(ch, num_heads, dim_head,
depth=transformer_depth, context_dim=context_dim, use_linear=use_linear,
use_checkpoint=use_checkpoint, disable_self_attn=False,
video_length=temporal_length, image_cross_attention=self.image_cross_attention,
image_cross_attention_scale_learnable=self.image_cross_attention_scale_learnable,
device=device,
dtype=self.dtype
)
)
if self.temporal_attention:
layers.append(
TemporalTransformer(ch, num_heads, dim_head,
depth=transformer_depth, context_dim=context_dim, use_linear=use_linear,
use_checkpoint=use_checkpoint, only_self_att=temporal_self_att_only,
causal_attention=use_causal_attention, relative_position=use_relative_position,
temporal_length=temporal_length,
device=device,
dtype=self.dtype
)
)
self.input_blocks.append(TimestepEmbedSequential(*layers))
input_block_chans.append(ch)
if level != len(channel_mult) - 1:
out_ch = ch
self.input_blocks.append(
TimestepEmbedSequential(
ResBlock(ch, time_embed_dim, dropout,
out_channels=out_ch, dims=dims, use_checkpoint=use_checkpoint,
use_scale_shift_norm=use_scale_shift_norm,
down=True,
device=device,
dtype=self.dtype
)
if resblock_updown
else Downsample(
ch,
conv_resample,
dims=dims,
out_channels=out_ch,
device=device,
dtype=self.dtype
)
)
)
ch = out_ch
input_block_chans.append(ch)
ds *= 2
if num_head_channels == -1:
dim_head = ch // num_heads
else:
num_heads = ch // num_head_channels
dim_head = num_head_channels
layers = [
ResBlock(ch, time_embed_dim, dropout,
dims=dims, use_checkpoint=use_checkpoint,
use_scale_shift_norm=use_scale_shift_norm, tempspatial_aware=tempspatial_aware,
use_temporal_conv=temporal_conv,
device=device,
dtype=self.dtype
),
SpatialTransformer(ch, num_heads, dim_head,
depth=transformer_depth, context_dim=context_dim, use_linear=use_linear,
use_checkpoint=use_checkpoint, disable_self_attn=False, video_length=temporal_length,
image_cross_attention=self.image_cross_attention,image_cross_attention_scale_learnable=self.image_cross_attention_scale_learnable,
device=device,
dtype=self.dtype
)
]
if self.temporal_attention:
layers.append(
TemporalTransformer(ch, num_heads, dim_head,
depth=transformer_depth, context_dim=context_dim, use_linear=use_linear,
use_checkpoint=use_checkpoint, only_self_att=temporal_self_att_only,
causal_attention=use_causal_attention, relative_position=use_relative_position,
temporal_length=temporal_length,
device=device,
dtype=self.dtype
)
)
layers.append(
ResBlock(ch, time_embed_dim, dropout,
dims=dims, use_checkpoint=use_checkpoint,
use_scale_shift_norm=use_scale_shift_norm, tempspatial_aware=tempspatial_aware,
use_temporal_conv=temporal_conv,
device=device,
dtype=self.dtype
)
)
## Middle Block
self.middle_block = TimestepEmbedSequential(*layers)
## Output Block
self.output_blocks = nn.ModuleList([])
for level, mult in list(enumerate(channel_mult))[::-1]:
for i in range(num_res_blocks + 1):
ich = input_block_chans.pop()
layers = [
ResBlock(ch + ich, time_embed_dim, dropout,
out_channels=mult * model_channels, dims=dims, use_checkpoint=use_checkpoint,
use_scale_shift_norm=use_scale_shift_norm, tempspatial_aware=tempspatial_aware,
use_temporal_conv=temporal_conv,
device=device,
dtype=self.dtype
)
]
ch = model_channels * mult
if ds in attention_resolutions:
if num_head_channels == -1:
dim_head = ch // num_heads
else:
num_heads = ch // num_head_channels
dim_head = num_head_channels
layers.append(
SpatialTransformer(ch, num_heads, dim_head,
depth=transformer_depth, context_dim=context_dim, use_linear=use_linear,
use_checkpoint=use_checkpoint, disable_self_attn=False, video_length=temporal_length,
image_cross_attention=self.image_cross_attention,image_cross_attention_scale_learnable=self.image_cross_attention_scale_learnable,
device=device,
dtype=self.dtype
)
)
if self.temporal_attention:
layers.append(
TemporalTransformer(ch, num_heads, dim_head,
depth=transformer_depth, context_dim=context_dim, use_linear=use_linear,
use_checkpoint=use_checkpoint, only_self_att=temporal_self_att_only,
causal_attention=use_causal_attention, relative_position=use_relative_position,
temporal_length=temporal_length,
device=device,
dtype=self.dtype
)
)
if level and i == num_res_blocks:
out_ch = ch
layers.append(
ResBlock(ch, time_embed_dim, dropout,
out_channels=out_ch, dims=dims, use_checkpoint=use_checkpoint,
use_scale_shift_norm=use_scale_shift_norm,
up=True,
device=device,
dtype=self.dtype
)
if resblock_updown
else Upsample(ch, conv_resample, dims=dims, out_channels=out_ch)
)
ds //= 2
self.output_blocks.append(TimestepEmbedSequential(*layers))
self.out = nn.Sequential(
normalization(ch, device=device, dtype=self.dtype),
nn.SiLU(),
zero_module(
operations.conv_nd(
dims,
model_channels,
out_channels,
3,
padding=1,
device=device,
dtype=self.dtype
)
),
)
# TODO Add Transformer options to leverage the usage of patches.
def forward(
self,
x,
timesteps,
context=None,
context_in=None,
cc_concat=None,
num_video_frames=16,
features_adapter=None,
fs=None,
img_emb=None,
control=None,
transformer_options={},
cond_idx=None,
**kwargs
):
if any([fs is None, img_emb is None, cc_concat is None]):
raise ValueError("One or more of the required inputs for UNet Forward is None.")
cond_idx = transformer_options.get("cond_idx", None)
transformer_options['original_shape'] = list(x.shape)
transformer_options['transformer_index'] = 0
transformer_patches = transformer_options.get("patches", {})
# In ComfyUI, the frames are always with the batch, so we deconstruct it here.
# This is mandatory as this is a video based model.
# We usually denote "f" as frames, but will use "t" (time) to be consistent with DynamiCrafter.
b,_,t,_,_ = x.shape
context = context_in
cc_concat = cc_concat.to(x.device, x.dtype)
x = torch.cat([x, cc_concat], dim=1)
fs = fs.to(x.device, x.dtype)
timestep = timesteps
context = context_processor(context, num_video_frames, img_emb=img_emb)
t_emb = timestep_embedding(timestep, self.model_channels, repeat_only=False, dtype=self.dtype)
emb = self.time_embed(t_emb)
emb = emb.repeat_interleave(repeats=t, dim=0)
## always in shape (b t) c h w, except for temporal layer
x = rearrange(x, 'b c t h w -> (b t) c h w')
## combine emb
if self.fs_condition:
if fs is None:
fs = torch.tensor(
[self.default_fs] * b, dtype=torch.long, device=x.device)
fs_emb = timestep_embedding(fs, self.model_channels, repeat_only=False, dtype=self.dtype).type(x.dtype)
fs_embed = self.fps_embedding(fs_emb)
fs_embed = fs_embed.repeat_interleave(repeats=t, dim=0)
emb = emb + fs_embed
h = x.type(self.dtype)
adapter_idx = 0
hs = []
for id, module in enumerate(self.input_blocks):
transformer_options["block"] = ("input", id)
#h = module(h, emb, context=context, batch_size=b)
h = forward_timestep_embed(
module,
h,
emb,
context=context,
batch_size=b,
transformer_options=transformer_options
)
h = apply_control(h, control, 'input', cond_idx)
if "input_block_patch" in transformer_patches:
patch = transformer_patches["input_block_patch"]
for p in patch:
h = p(h, transformer_options)
if id ==0 and self.addition_attention:
h = forward_timestep_embed(
self.init_attn,
h,
emb,
context=context,
batch_size=b,
transformer_options=transformer_options
)
## plug-in adapter features
if ((id+1)%3 == 0) and features_adapter is not None:
h = h + features_adapter[adapter_idx]
adapter_idx += 1
hs.append(h)
if "input_block_patch_after_skip" in transformer_patches:
patch = transformer_patches["input_block_patch_after_skip"]
for p in patch:
h = p(h, transformer_options)
if features_adapter is not None:
assert len(features_adapter)==adapter_idx, 'Wrong features_adapter'
transformer_options["block"] = ("middle", 0)
h = forward_timestep_embed(
self.middle_block,
h,
emb,
context=context,
batch_size=b,
transformer_options=transformer_options
)
h = apply_control(h, control, 'middle', cond_idx)
for id, module in enumerate(self.output_blocks):
transformer_options["block"] = ("output", id)
hsp = hs.pop()
hsp = apply_control(hsp, control, 'output', cond_idx)
if "output_block_patch" in transformer_patches:
patch = transformer_patches["output_block_patch"]
for p in patch:
h, hsp = p(h, hsp, transformer_options)
h = torch.cat([h, hsp], dim=1)
del hsp
h = forward_timestep_embed(
module,
h,
emb,
context=context,
batch_size=b,
transformer_options=transformer_options
)
h = h.type(x.dtype)
h = self.out(h)
# We output with the tensor unfolded framewise, then reshape them to batched using ComfyUI nodes.
h = rearrange(h, '(b t) c h w -> b c t h w', t=num_video_frames)
return h
@@ -1,639 +0,0 @@
"""shout-out to https://github.com/lucidrains/x-transformers/tree/main/x_transformers"""
from functools import partial
from inspect import isfunction
from collections import namedtuple
from einops import rearrange, repeat
import torch
from torch import nn, einsum
import torch.nn.functional as F
# constants
DEFAULT_DIM_HEAD = 64
Intermediates = namedtuple('Intermediates', [
'pre_softmax_attn',
'post_softmax_attn'
])
LayerIntermediates = namedtuple('Intermediates', [
'hiddens',
'attn_intermediates'
])
class AbsolutePositionalEmbedding(nn.Module):
def __init__(self, dim, max_seq_len):
super().__init__()
self.emb = nn.Embedding(max_seq_len, dim)
self.init_()
def init_(self):
nn.init.normal_(self.emb.weight, std=0.02)
def forward(self, x):
n = torch.arange(x.shape[1], device=x.device)
return self.emb(n)[None, :, :]
class FixedPositionalEmbedding(nn.Module):
def __init__(self, dim):
super().__init__()
inv_freq = 1. / (10000 ** (torch.arange(0, dim, 2).float() / dim))
self.register_buffer('inv_freq', inv_freq)
def forward(self, x, seq_dim=1, offset=0):
t = torch.arange(x.shape[seq_dim], device=x.device).type_as(self.inv_freq) + offset
sinusoid_inp = torch.einsum('i , j -> i j', t, self.inv_freq)
emb = torch.cat((sinusoid_inp.sin(), sinusoid_inp.cos()), dim=-1)
return emb[None, :, :]
# helpers
def exists(val):
return val is not None
def default(val, d):
if exists(val):
return val
return d() if isfunction(d) else d
def always(val):
def inner(*args, **kwargs):
return val
return inner
def not_equals(val):
def inner(x):
return x != val
return inner
def equals(val):
def inner(x):
return x == val
return inner
def max_neg_value(tensor):
return -torch.finfo(tensor.dtype).max
# keyword argument helpers
def pick_and_pop(keys, d):
values = list(map(lambda key: d.pop(key), keys))
return dict(zip(keys, values))
def group_dict_by_key(cond, d):
return_val = [dict(), dict()]
for key in d.keys():
match = bool(cond(key))
ind = int(not match)
return_val[ind][key] = d[key]
return (*return_val,)
def string_begins_with(prefix, str):
return str.startswith(prefix)
def group_by_key_prefix(prefix, d):
return group_dict_by_key(partial(string_begins_with, prefix), d)
def groupby_prefix_and_trim(prefix, d):
kwargs_with_prefix, kwargs = group_dict_by_key(partial(string_begins_with, prefix), d)
kwargs_without_prefix = dict(map(lambda x: (x[0][len(prefix):], x[1]), tuple(kwargs_with_prefix.items())))
return kwargs_without_prefix, kwargs
# classes
class Scale(nn.Module):
def __init__(self, value, fn):
super().__init__()
self.value = value
self.fn = fn
def forward(self, x, **kwargs):
x, *rest = self.fn(x, **kwargs)
return (x * self.value, *rest)
class Rezero(nn.Module):
def __init__(self, fn):
super().__init__()
self.fn = fn
self.g = nn.Parameter(torch.zeros(1))
def forward(self, x, **kwargs):
x, *rest = self.fn(x, **kwargs)
return (x * self.g, *rest)
class ScaleNorm(nn.Module):
def __init__(self, dim, eps=1e-5):
super().__init__()
self.scale = dim ** -0.5
self.eps = eps
self.g = nn.Parameter(torch.ones(1))
def forward(self, x):
norm = torch.norm(x, dim=-1, keepdim=True) * self.scale
return x / norm.clamp(min=self.eps) * self.g
class RMSNorm(nn.Module):
def __init__(self, dim, eps=1e-8):
super().__init__()
self.scale = dim ** -0.5
self.eps = eps
self.g = nn.Parameter(torch.ones(dim))
def forward(self, x):
norm = torch.norm(x, dim=-1, keepdim=True) * self.scale
return x / norm.clamp(min=self.eps) * self.g
class Residual(nn.Module):
def forward(self, x, residual):
return x + residual
class GRUGating(nn.Module):
def __init__(self, dim):
super().__init__()
self.gru = nn.GRUCell(dim, dim)
def forward(self, x, residual):
gated_output = self.gru(
rearrange(x, 'b n d -> (b n) d'),
rearrange(residual, 'b n d -> (b n) d')
)
return gated_output.reshape_as(x)
# feedforward
class GEGLU(nn.Module):
def __init__(self, dim_in, dim_out):
super().__init__()
self.proj = nn.Linear(dim_in, dim_out * 2)
def forward(self, x):
x, gate = self.proj(x).chunk(2, dim=-1)
return x * F.gelu(gate)
class FeedForward(nn.Module):
def __init__(self, dim, dim_out=None, mult=4, glu=False, dropout=0.):
super().__init__()
inner_dim = int(dim * mult)
dim_out = default(dim_out, dim)
project_in = nn.Sequential(
nn.Linear(dim, inner_dim),
nn.GELU()
) if not glu else GEGLU(dim, inner_dim)
self.net = nn.Sequential(
project_in,
nn.Dropout(dropout),
nn.Linear(inner_dim, dim_out)
)
def forward(self, x):
return self.net(x)
# attention.
class Attention(nn.Module):
def __init__(
self,
dim,
dim_head=DEFAULT_DIM_HEAD,
heads=8,
causal=False,
mask=None,
talking_heads=False,
sparse_topk=None,
use_entmax15=False,
num_mem_kv=0,
dropout=0.,
on_attn=False
):
super().__init__()
if use_entmax15:
raise NotImplementedError("Check out entmax activation instead of softmax activation!")
self.scale = dim_head ** -0.5
self.heads = heads
self.causal = causal
self.mask = mask
inner_dim = dim_head * heads
self.to_q = nn.Linear(dim, inner_dim, bias=False)
self.to_k = nn.Linear(dim, inner_dim, bias=False)
self.to_v = nn.Linear(dim, inner_dim, bias=False)
self.dropout = nn.Dropout(dropout)
# talking heads
self.talking_heads = talking_heads
if talking_heads:
self.pre_softmax_proj = nn.Parameter(torch.randn(heads, heads))
self.post_softmax_proj = nn.Parameter(torch.randn(heads, heads))
# explicit topk sparse attention
self.sparse_topk = sparse_topk
# entmax
#self.attn_fn = entmax15 if use_entmax15 else F.softmax
self.attn_fn = F.softmax
# add memory key / values
self.num_mem_kv = num_mem_kv
if num_mem_kv > 0:
self.mem_k = nn.Parameter(torch.randn(heads, num_mem_kv, dim_head))
self.mem_v = nn.Parameter(torch.randn(heads, num_mem_kv, dim_head))
# attention on attention
self.attn_on_attn = on_attn
self.to_out = nn.Sequential(nn.Linear(inner_dim, dim * 2), nn.GLU()) if on_attn else nn.Linear(inner_dim, dim)
def forward(
self,
x,
context=None,
mask=None,
context_mask=None,
rel_pos=None,
sinusoidal_emb=None,
prev_attn=None,
mem=None
):
b, n, _, h, talking_heads, device = *x.shape, self.heads, self.talking_heads, x.device
kv_input = default(context, x)
q_input = x
k_input = kv_input
v_input = kv_input
if exists(mem):
k_input = torch.cat((mem, k_input), dim=-2)
v_input = torch.cat((mem, v_input), dim=-2)
if exists(sinusoidal_emb):
# in shortformer, the query would start at a position offset depending on the past cached memory
offset = k_input.shape[-2] - q_input.shape[-2]
q_input = q_input + sinusoidal_emb(q_input, offset=offset)
k_input = k_input + sinusoidal_emb(k_input)
q = self.to_q(q_input)
k = self.to_k(k_input)
v = self.to_v(v_input)
q, k, v = map(lambda t: rearrange(t, 'b n (h d) -> b h n d', h=h), (q, k, v))
input_mask = None
if any(map(exists, (mask, context_mask))):
q_mask = default(mask, lambda: torch.ones((b, n), device=device).bool())
k_mask = q_mask if not exists(context) else context_mask
k_mask = default(k_mask, lambda: torch.ones((b, k.shape[-2]), device=device).bool())
q_mask = rearrange(q_mask, 'b i -> b () i ()')
k_mask = rearrange(k_mask, 'b j -> b () () j')
input_mask = q_mask * k_mask
if self.num_mem_kv > 0:
mem_k, mem_v = map(lambda t: repeat(t, 'h n d -> b h n d', b=b), (self.mem_k, self.mem_v))
k = torch.cat((mem_k, k), dim=-2)
v = torch.cat((mem_v, v), dim=-2)
if exists(input_mask):
input_mask = F.pad(input_mask, (self.num_mem_kv, 0), value=True)
dots = einsum('b h i d, b h j d -> b h i j', q, k) * self.scale
mask_value = max_neg_value(dots)
if exists(prev_attn):
dots = dots + prev_attn
pre_softmax_attn = dots
if talking_heads:
dots = einsum('b h i j, h k -> b k i j', dots, self.pre_softmax_proj).contiguous()
if exists(rel_pos):
dots = rel_pos(dots)
if exists(input_mask):
dots.masked_fill_(~input_mask, mask_value)
del input_mask
if self.causal:
i, j = dots.shape[-2:]
r = torch.arange(i, device=device)
mask = rearrange(r, 'i -> () () i ()') < rearrange(r, 'j -> () () () j')
mask = F.pad(mask, (j - i, 0), value=False)
dots.masked_fill_(mask, mask_value)
del mask
if exists(self.sparse_topk) and self.sparse_topk < dots.shape[-1]:
top, _ = dots.topk(self.sparse_topk, dim=-1)
vk = top[..., -1].unsqueeze(-1).expand_as(dots)
mask = dots < vk
dots.masked_fill_(mask, mask_value)
del mask
attn = self.attn_fn(dots, dim=-1)
post_softmax_attn = attn
attn = self.dropout(attn)
if talking_heads:
attn = einsum('b h i j, h k -> b k i j', attn, self.post_softmax_proj).contiguous()
out = einsum('b h i j, b h j d -> b h i d', attn, v)
out = rearrange(out, 'b h n d -> b n (h d)')
intermediates = Intermediates(
pre_softmax_attn=pre_softmax_attn,
post_softmax_attn=post_softmax_attn
)
return self.to_out(out), intermediates
class AttentionLayers(nn.Module):
def __init__(
self,
dim,
depth,
heads=8,
causal=False,
cross_attend=False,
only_cross=False,
use_scalenorm=False,
use_rmsnorm=False,
use_rezero=False,
rel_pos_num_buckets=32,
rel_pos_max_distance=128,
position_infused_attn=False,
custom_layers=None,
sandwich_coef=None,
par_ratio=None,
residual_attn=False,
cross_residual_attn=False,
macaron=False,
pre_norm=True,
gate_residual=False,
**kwargs
):
super().__init__()
ff_kwargs, kwargs = groupby_prefix_and_trim('ff_', kwargs)
attn_kwargs, _ = groupby_prefix_and_trim('attn_', kwargs)
dim_head = attn_kwargs.get('dim_head', DEFAULT_DIM_HEAD)
self.dim = dim
self.depth = depth
self.layers = nn.ModuleList([])
self.has_pos_emb = position_infused_attn
self.pia_pos_emb = FixedPositionalEmbedding(dim) if position_infused_attn else None
self.rotary_pos_emb = always(None)
assert rel_pos_num_buckets <= rel_pos_max_distance, 'number of relative position buckets must be less than the relative position max distance'
self.rel_pos = None
self.pre_norm = pre_norm
self.residual_attn = residual_attn
self.cross_residual_attn = cross_residual_attn
norm_class = ScaleNorm if use_scalenorm else nn.LayerNorm
norm_class = RMSNorm if use_rmsnorm else norm_class
norm_fn = partial(norm_class, dim)
norm_fn = nn.Identity if use_rezero else norm_fn
branch_fn = Rezero if use_rezero else None
if cross_attend and not only_cross:
default_block = ('a', 'c', 'f')
elif cross_attend and only_cross:
default_block = ('c', 'f')
else:
default_block = ('a', 'f')
if macaron:
default_block = ('f',) + default_block
if exists(custom_layers):
layer_types = custom_layers
elif exists(par_ratio):
par_depth = depth * len(default_block)
assert 1 < par_ratio <= par_depth, 'par ratio out of range'
default_block = tuple(filter(not_equals('f'), default_block))
par_attn = par_depth // par_ratio
depth_cut = par_depth * 2 // 3 # 2 / 3 attention layer cutoff suggested by PAR paper
par_width = (depth_cut + depth_cut // par_attn) // par_attn
assert len(default_block) <= par_width, 'default block is too large for par_ratio'
par_block = default_block + ('f',) * (par_width - len(default_block))
par_head = par_block * par_attn
layer_types = par_head + ('f',) * (par_depth - len(par_head))
elif exists(sandwich_coef):
assert sandwich_coef > 0 and sandwich_coef <= depth, 'sandwich coefficient should be less than the depth'
layer_types = ('a',) * sandwich_coef + default_block * (depth - sandwich_coef) + ('f',) * sandwich_coef
else:
layer_types = default_block * depth
self.layer_types = layer_types
self.num_attn_layers = len(list(filter(equals('a'), layer_types)))
for layer_type in self.layer_types:
if layer_type == 'a':
layer = Attention(dim, heads=heads, causal=causal, **attn_kwargs)
elif layer_type == 'c':
layer = Attention(dim, heads=heads, **attn_kwargs)
elif layer_type == 'f':
layer = FeedForward(dim, **ff_kwargs)
layer = layer if not macaron else Scale(0.5, layer)
else:
raise Exception(f'invalid layer type {layer_type}')
if isinstance(layer, Attention) and exists(branch_fn):
layer = branch_fn(layer)
if gate_residual:
residual_fn = GRUGating(dim)
else:
residual_fn = Residual()
self.layers.append(nn.ModuleList([
norm_fn(),
layer,
residual_fn
]))
def forward(
self,
x,
context=None,
mask=None,
context_mask=None,
mems=None,
return_hiddens=False
):
hiddens = []
intermediates = []
prev_attn = None
prev_cross_attn = None
mems = mems.copy() if exists(mems) else [None] * self.num_attn_layers
for ind, (layer_type, (norm, block, residual_fn)) in enumerate(zip(self.layer_types, self.layers)):
is_last = ind == (len(self.layers) - 1)
if layer_type == 'a':
hiddens.append(x)
layer_mem = mems.pop(0)
residual = x
if self.pre_norm:
x = norm(x)
if layer_type == 'a':
out, inter = block(x, mask=mask, sinusoidal_emb=self.pia_pos_emb, rel_pos=self.rel_pos,
prev_attn=prev_attn, mem=layer_mem)
elif layer_type == 'c':
out, inter = block(x, context=context, mask=mask, context_mask=context_mask, prev_attn=prev_cross_attn)
elif layer_type == 'f':
out = block(x)
x = residual_fn(out, residual)
if layer_type in ('a', 'c'):
intermediates.append(inter)
if layer_type == 'a' and self.residual_attn:
prev_attn = inter.pre_softmax_attn
elif layer_type == 'c' and self.cross_residual_attn:
prev_cross_attn = inter.pre_softmax_attn
if not self.pre_norm and not is_last:
x = norm(x)
if return_hiddens:
intermediates = LayerIntermediates(
hiddens=hiddens,
attn_intermediates=intermediates
)
return x, intermediates
return x
class Encoder(AttentionLayers):
def __init__(self, **kwargs):
assert 'causal' not in kwargs, 'cannot set causality on encoder'
super().__init__(causal=False, **kwargs)
class TransformerWrapper(nn.Module):
def __init__(
self,
*,
num_tokens,
max_seq_len,
attn_layers,
emb_dim=None,
max_mem_len=0.,
emb_dropout=0.,
num_memory_tokens=None,
tie_embedding=False,
use_pos_emb=True
):
super().__init__()
assert isinstance(attn_layers, AttentionLayers), 'attention layers must be one of Encoder or Decoder'
dim = attn_layers.dim
emb_dim = default(emb_dim, dim)
self.max_seq_len = max_seq_len
self.max_mem_len = max_mem_len
self.num_tokens = num_tokens
self.token_emb = nn.Embedding(num_tokens, emb_dim)
self.pos_emb = AbsolutePositionalEmbedding(emb_dim, max_seq_len) if (
use_pos_emb and not attn_layers.has_pos_emb) else always(0)
self.emb_dropout = nn.Dropout(emb_dropout)
self.project_emb = nn.Linear(emb_dim, dim) if emb_dim != dim else nn.Identity()
self.attn_layers = attn_layers
self.norm = nn.LayerNorm(dim)
self.init_()
self.to_logits = nn.Linear(dim, num_tokens) if not tie_embedding else lambda t: t @ self.token_emb.weight.t()
# memory tokens (like [cls]) from Memory Transformers paper
num_memory_tokens = default(num_memory_tokens, 0)
self.num_memory_tokens = num_memory_tokens
if num_memory_tokens > 0:
self.memory_tokens = nn.Parameter(torch.randn(num_memory_tokens, dim))
# let funnel encoder know number of memory tokens, if specified
if hasattr(attn_layers, 'num_memory_tokens'):
attn_layers.num_memory_tokens = num_memory_tokens
def init_(self):
nn.init.normal_(self.token_emb.weight, std=0.02)
def forward(
self,
x,
return_embeddings=False,
mask=None,
return_mems=False,
return_attn=False,
mems=None,
**kwargs
):
b, n, device, num_mem = *x.shape, x.device, self.num_memory_tokens
x = self.token_emb(x)
x += self.pos_emb(x)
x = self.emb_dropout(x)
x = self.project_emb(x)
if num_mem > 0:
mem = repeat(self.memory_tokens, 'n d -> b n d', b=b)
x = torch.cat((mem, x), dim=1)
# auto-handle masking after appending memory tokens
if exists(mask):
mask = F.pad(mask, (num_mem, 0), value=True)
x, intermediates = self.attn_layers(x, mask=mask, mems=mems, return_hiddens=True, **kwargs)
x = self.norm(x)
mem, x = x[:, :num_mem], x[:, num_mem:]
out = self.to_logits(x) if not return_embeddings else x
if return_mems:
hiddens = intermediates.hiddens
new_mems = list(map(lambda pair: torch.cat(pair, dim=-2), zip(mems, hiddens))) if exists(mems) else hiddens
new_mems = list(map(lambda t: t[..., -self.max_mem_len:, :].detach(), new_mems))
return out, new_mems
if return_attn:
attn_maps = list(map(lambda t: t.post_softmax_attn, intermediates.attn_intermediates))
return out, attn_maps
return out
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@@ -1,146 +0,0 @@
import torch
from collections import OrderedDict
from comfy import model_base
from comfy import utils
from comfy import diffusers_convert
try:
import comfy.text_encoders.sd2_clip
except ImportError:
from comfy import sd2_clip
from comfy import supported_models_base
from comfy import latent_formats
from ..lvdm.modules.encoders.resampler import Resampler
DYNAMICRAFTER_CONFIG = {
'in_channels': 8,
'out_channels': 4,
'model_channels': 320,
'attention_resolutions': [4, 2, 1],
'num_res_blocks': 2,
'channel_mult': [1, 2, 4, 4],
'num_head_channels': 64,
'transformer_depth': 1,
'context_dim': 1024,
'use_linear': True,
'use_checkpoint': False,
'temporal_conv': True,
'temporal_attention': True,
'temporal_selfatt_only': True,
'use_relative_position': False,
'use_causal_attention': False,
'temporal_length': 16,
'addition_attention': True,
'image_cross_attention': True,
'image_cross_attention_scale_learnable': True,
'default_fs': 3,
'fs_condition': True
}
IMAGE_PROJ_CONFIG = {
"dim": 1024,
"depth": 4,
"dim_head": 64,
"heads": 12,
"num_queries": 16,
"embedding_dim": 1280,
"output_dim": 1024,
"ff_mult": 4,
"video_length": 16
}
def process_list_or_str(target_key_or_keys, k):
if isinstance(target_key_or_keys, list):
return any([list_k in k for list_k in target_key_or_keys])
else:
return target_key_or_keys in k
def simple_state_dict_loader(state_dict: dict, target_key: str, target_dict: dict = None):
out_dict = {}
if target_dict is None:
for k, v in state_dict.items():
if process_list_or_str(target_key, k):
out_dict[k] = v
else:
for k, v in target_dict.items():
out_dict[k] = state_dict[k]
return out_dict
def load_image_proj_dict(state_dict: dict):
return simple_state_dict_loader(state_dict, 'image_proj')
def load_dynamicrafter_dict(state_dict: dict):
return simple_state_dict_loader(state_dict, 'model.diffusion_model')
def load_vae_dict(state_dict: dict):
return simple_state_dict_loader(state_dict, 'first_stage_model')
def get_base_model(state_dict: dict, version_checker=False):
is_256_model = False
for k in state_dict.keys():
if "framestride_embed" in k:
is_256_model = True
break
def get_image_proj_model(state_dict: dict):
state_dict = {k.replace('image_proj_model.', ''): v for k, v in state_dict.items()}
#target_dict = Resampler().state_dict()
ImageProjModel = Resampler(**IMAGE_PROJ_CONFIG)
ImageProjModel.load_state_dict(state_dict)
print("Image Projection Model loaded successfully")
#del target_dict
return ImageProjModel
class DynamiCrafterBase(supported_models_base.BASE):
unet_config = {}
unet_extra_config = {}
latent_format = latent_formats.SD15
def process_clip_state_dict(self, state_dict):
replace_prefix = {}
replace_prefix["conditioner.embedders.0.model."] = "clip_h." #SD2 in sgm format
replace_prefix["cond_stage_model.model."] = "clip_h."
state_dict = utils.state_dict_prefix_replace(state_dict, replace_prefix, filter_keys=True)
state_dict = utils.clip_text_transformers_convert(state_dict, "clip_h.", "clip_h.transformer.")
return state_dict
def process_clip_state_dict_for_saving(self, state_dict):
replace_prefix = {}
replace_prefix["clip_h"] = "cond_stage_model.model"
state_dict = utils.state_dict_prefix_replace(state_dict, replace_prefix)
state_dict = diffusers_convert.convert_text_enc_state_dict_v20(state_dict)
return state_dict
def clip_target(self):
return supported_models_base.ClipTarget(sd2_clip.SD2Tokenizer, sd2_clip.SD2ClipModel)
def process_dict_version(self, state_dict: dict):
processed_dict = OrderedDict()
is_eps = False
for k in list(state_dict.keys()):
if "framestride_embed" in k:
new_key = k.replace("framestride_embed", "fps_embedding")
processed_dict[new_key] = state_dict[k]
is_eps = True
continue
processed_dict[k] = state_dict[k]
return processed_dict, is_eps
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@@ -1,82 +0,0 @@
import importlib
import numpy as np
import cv2
import torch
import torch.distributed as dist
MODEL_EXTS = ['ckpt', 'safetensors', 'bin']
def get_models_directory(directory: list):
files_list = list(filter(lambda f: f.split(".")[-1] in MODEL_EXTS, directory))
return files_list
def count_params(model, verbose=False):
total_params = sum(p.numel() for p in model.parameters())
if verbose:
print(f"{model.__class__.__name__} has {total_params*1.e-6:.2f} M params.")
return total_params
def check_istarget(name, para_list):
"""
name: full name of source para
para_list: partial name of target para
"""
istarget=False
for para in para_list:
if para in name:
return True
return istarget
def instantiate_from_config(config):
if not "target" in config:
if config == '__is_first_stage__':
return None
elif config == "__is_unconditional__":
return None
raise KeyError("Expected key `target` to instantiate.")
return get_obj_from_str(config["target"])(**config.get("params", dict()))
def get_obj_from_str(string, reload=False):
module, cls = string.rsplit(".", 1)
if reload:
module_imp = importlib.import_module(module)
importlib.reload(module_imp)
return getattr(importlib.import_module(module, package=None), cls)
def load_npz_from_dir(data_dir):
data = [np.load(os.path.join(data_dir, data_name))['arr_0'] for data_name in os.listdir(data_dir)]
data = np.concatenate(data, axis=0)
return data
def load_npz_from_paths(data_paths):
data = [np.load(data_path)['arr_0'] for data_path in data_paths]
data = np.concatenate(data, axis=0)
return data
def resize_numpy_image(image, max_resolution=512 * 512, resize_short_edge=None):
h, w = image.shape[:2]
if resize_short_edge is not None:
k = resize_short_edge / min(h, w)
else:
k = max_resolution / (h * w)
k = k**0.5
h = int(np.round(h * k / 64)) * 64
w = int(np.round(w * k / 64)) * 64
image = cv2.resize(image, (w, h), interpolation=cv2.INTER_LANCZOS4)
return image
def setup_dist(args):
if dist.is_initialized():
return
torch.cuda.set_device(args.local_rank)
torch.distributed.init_process_group(
'nccl',
init_method='env://'
)
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import yaml
import pathlib
import base64
import io
import json
import os
import pickle
import zlib
import urllib.parse
import urllib.request
import urllib.error
from enum import Enum
from functools import singledispatch
from typing import Any, List, Union
import numpy as np
import torch
from PIL import Image
root_path = pathlib.Path(__file__).parent.parent.parent.parent
config_path = os.path.join(root_path, 'config.yaml')
class BizyAIRAPI:
def __init__(self):
self.base_url = 'https://bizyair-api.siliconflow.cn/x/v1'
self.api_key = None
def getAPIKey(self):
if self.api_key is None:
if os.path.isfile(config_path):
with open(config_path, 'r') as f:
data = yaml.load(f, Loader=yaml.FullLoader)
if 'BIZYAIR_API_KEY' not in data:
raise Exception("Please add BIZYAIR_API_KEY to config.yaml")
self.api_key = data['BIZYAIR_API_KEY']
else:
raise Exception("Please add config.yaml to root path")
return self.api_key
def send_post_request(self, url, payload, headers):
try:
data = json.dumps(payload).encode("utf-8")
req = urllib.request.Request(url, data=data, headers=headers, method="POST")
with urllib.request.urlopen(req) as response:
response_data = response.read().decode("utf-8")
return response_data
except urllib.error.URLError as e:
if "Unauthorized" in str(e):
raise Exception(
"Key is invalid, please refer to https://cloud.siliconflow.cn to get the API key.\n"
"If you have the key, please click the 'BizyAir Key' button at the bottom right to set the key."
)
else:
raise Exception(
f"Failed to connect to the server: {e}, if you have no key, "
)
# joycaptionTwo
def joyCaption2(self, payload, image, apikey_override=None):
if apikey_override is not None:
api_key = apikey_override
else:
api_key = self.getAPIKey()
url = f"{self.base_url}/supernode/joycaption2"
auth = f"Bearer {api_key}"
headers = {
"accept": "application/json",
"content-type": "application/json",
"authorization": auth,
}
input_image = encode_data(image, disable_image_marker=True)
payload["image"] = input_image
ret: str = self.send_post_request(url=url, payload=payload, headers=headers)
ret = json.loads(ret)
try:
if "result" in ret:
ret = json.loads(ret["result"])
except Exception as e:
raise Exception(f"Unexpected response: {ret} {e=}")
if ret["type"] == "error":
raise Exception(ret["message"])
msg = ret["data"]
if msg["type"] not in ("comfyair", "bizyair",):
raise Exception(f"Unexpected response type: {msg}")
caption = msg["data"]
return caption
bizyairAPI = BizyAIRAPI()
BIZYAIR_DEBUG = True
# Marker to identify base64-encoded tensors
TENSOR_MARKER = "TENSOR:"
IMAGE_MARKER = "IMAGE:"
class TaskStatus(Enum):
PENDING = "pending"
PROCESSING = "processing"
COMPLETED = "completed"
def convert_image_to_rgb(image: Image.Image) -> Image.Image:
if image.mode != "RGB":
return image.convert("RGB")
return image
def encode_image_to_base64(
image: Image.Image, format: str = "png", quality: int = 100, lossless=False
) -> str:
image = convert_image_to_rgb(image)
with io.BytesIO() as output:
image.save(output, format=format, quality=quality, lossless=lossless)
output.seek(0)
img_bytes = output.getvalue()
if BIZYAIR_DEBUG:
print(f"encode_image_to_base64: {format_bytes(len(img_bytes))}")
return base64.b64encode(img_bytes).decode("utf-8")
def decode_base64_to_np(img_data: str, format: str = "png") -> np.ndarray:
img_bytes = base64.b64decode(img_data)
if BIZYAIR_DEBUG:
print(f"decode_base64_to_np: {format_bytes(len(img_bytes))}")
with io.BytesIO(img_bytes) as input_buffer:
img = Image.open(input_buffer)
# https://github.com/comfyanonymous/ComfyUI/blob/a178e25912b01abf436eba1cfaab316ba02d272d/nodes.py#L1511
img = img.convert("RGB")
return np.array(img)
def decode_base64_to_image(img_data: str) -> Image.Image:
img_bytes = base64.b64decode(img_data)
with io.BytesIO(img_bytes) as input_buffer:
img = Image.open(input_buffer)
if BIZYAIR_DEBUG:
format_info = img.format.upper() if img.format else "Unknown"
print(f"decode image format: {format_info}")
return img
def format_bytes(num_bytes: int) -> str:
"""
Converts a number of bytes to a human-readable string with units (B, KB, or MB).
:param num_bytes: The number of bytes to convert.
:return: A string representing the number of bytes in a human-readable format.
"""
if num_bytes < 1024:
return f"{num_bytes} B"
elif num_bytes < 1024 * 1024:
return f"{num_bytes / 1024:.2f} KB"
else:
return f"{num_bytes / (1024 * 1024):.2f} MB"
def _legacy_encode_comfy_image(image: torch.Tensor, image_format="png") -> str:
input_image = image.cpu().detach().numpy()
i = 255.0 * input_image[0]
input_image = np.clip(i, 0, 255).astype(np.uint8)
base64ed_image = encode_image_to_base64(
Image.fromarray(input_image), format=image_format
)
return base64ed_image
def _legacy_decode_comfy_image(
img_data: Union[List, str], image_format="png"
) -> torch.tensor:
if isinstance(img_data, List):
decoded_imgs = [decode_comfy_image(x, old_version=True) for x in img_data]
combined_imgs = torch.cat(decoded_imgs, dim=0)
return combined_imgs
out = decode_base64_to_np(img_data, format=image_format)
out = np.array(out).astype(np.float32) / 255.0
output = torch.from_numpy(out)[None,]
return output
def _new_encode_comfy_image(images: torch.Tensor, image_format="WEBP", **kwargs) -> str:
"""https://docs.comfy.org/essentials/custom_node_snippets#save-an-image-batch
Encode a batch of images to base64 strings.
Args:
images (torch.Tensor): A batch of images.
image_format (str, optional): The format of the images. Defaults to "WEBP".
Returns:
str: A JSON string containing the base64-encoded images.
"""
results = {}
for batch_number, image in enumerate(images):
i = 255.0 * image.cpu().numpy()
img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
base64ed_image = encode_image_to_base64(img, format=image_format, **kwargs)
results[batch_number] = base64ed_image
return json.dumps(results)
def _new_decode_comfy_image(img_datas: str, image_format="WEBP") -> torch.tensor:
"""
Decode a batch of base64-encoded images.
Args:
img_datas (str): A JSON string containing the base64-encoded images.
image_format (str, optional): The format of the images. Defaults to "WEBP".
Returns:
torch.Tensor: A tensor containing the decoded images.
"""
img_datas = json.loads(img_datas)
decoded_imgs = []
for img_data in img_datas.values():
decoded_image = decode_base64_to_np(img_data, format=image_format)
decoded_image = np.array(decoded_image).astype(np.float32) / 255.0
decoded_imgs.append(torch.from_numpy(decoded_image)[None,])
return torch.cat(decoded_imgs, dim=0)
def encode_comfy_image(
image: torch.Tensor, image_format="WEBP", old_version=False, lossless=False
) -> str:
if old_version:
return _legacy_encode_comfy_image(image, image_format)
return _new_encode_comfy_image(image, image_format, lossless=lossless)
def decode_comfy_image(
img_data: Union[List, str], image_format="WEBP", old_version=False
) -> torch.tensor:
if old_version:
return _legacy_decode_comfy_image(img_data, image_format)
return _new_decode_comfy_image(img_data, image_format)
def tensor_to_base64(tensor: torch.Tensor, compress=True) -> str:
tensor_np = tensor.cpu().detach().numpy()
tensor_bytes = pickle.dumps(tensor_np)
if compress:
tensor_bytes = zlib.compress(tensor_bytes)
tensor_b64 = base64.b64encode(tensor_bytes).decode("utf-8")
return tensor_b64
def base64_to_tensor(tensor_b64: str, compress=True) -> torch.Tensor:
tensor_bytes = base64.b64decode(tensor_b64)
if compress:
tensor_bytes = zlib.decompress(tensor_bytes)
tensor_np = pickle.loads(tensor_bytes)
tensor = torch.from_numpy(tensor_np)
return tensor
@singledispatch
def decode_data(input, old_version=False):
raise NotImplementedError(f"Unsupported type: {type(input)}")
@decode_data.register(int)
@decode_data.register(float)
@decode_data.register(bool)
@decode_data.register(type(None))
def _(input, **kwargs):
return input
@decode_data.register(dict)
def _(input, **kwargs):
return {k: decode_data(v, **kwargs) for k, v in input.items()}
@decode_data.register(list)
def _(input, **kwargs):
return [decode_data(x, **kwargs) for x in input]
@decode_data.register(str)
def _(input: str, **kwargs):
if input.startswith(TENSOR_MARKER):
tensor_b64 = input[len(TENSOR_MARKER) :]
return base64_to_tensor(tensor_b64)
elif input.startswith(IMAGE_MARKER):
tensor_b64 = input[len(IMAGE_MARKER) :]
old_version = kwargs.get("old_version", False)
return decode_comfy_image(tensor_b64, old_version=old_version)
return input
@singledispatch
def encode_data(output, disable_image_marker=False, old_version=False):
raise NotImplementedError(f"Unsupported type: {type(output)}")
@encode_data.register(dict)
def _(output, **kwargs):
return {k: encode_data(v, **kwargs) for k, v in output.items()}
@encode_data.register(list)
def _(output, **kwargs):
return [encode_data(x, **kwargs) for x in output]
def is_image_tensor(tensor) -> bool:
"""https://docs.comfy.org/essentials/custom_node_datatypes#image
Check if the given tensor is in the format of an IMAGE (shape [B, H, W, C] where C=3).
`Args`:
tensor (torch.Tensor): The tensor to check.
`Returns`:
bool: True if the tensor is in the IMAGE format, False otherwise.
"""
try:
if not isinstance(tensor, torch.Tensor):
return False
if len(tensor.shape) != 4:
return False
B, H, W, C = tensor.shape
if C != 3:
return False
return True
except:
return False
@encode_data.register(torch.Tensor)
def _(output, **kwargs):
if is_image_tensor(output) and not kwargs.get("disable_image_marker", False):
old_version = kwargs.get("old_version", False)
lossless = kwargs.get("lossless", True)
return IMAGE_MARKER + encode_comfy_image(
output, image_format="WEBP", old_version=old_version, lossless=lossless
)
return TENSOR_MARKER + tensor_to_base64(output)
@encode_data.register(int)
@encode_data.register(float)
@encode_data.register(bool)
@encode_data.register(type(None))
def _(output, **kwargs):
return output
@encode_data.register(str)
def _(output, **kwargs):
return output
+1 -1
View File
@@ -5,7 +5,7 @@ import requests
import pathlib
from aiohttp import web
root_path = pathlib.Path(__file__).parent.parent.parent
root_path = pathlib.Path(__file__).parent.parent.parent.parent
config_path = os.path.join(root_path,'config.yaml')
class FluxAIAPI:
def __init__(self):
@@ -5,21 +5,21 @@ import requests
import pathlib
from aiohttp import web
from server import PromptServer
from .image import tensor2pil, pil2tensor, image2base64, pil2byte
from .log import log_node_error
from ..image import tensor2pil, pil2tensor, image2base64, pil2byte
from ..log import log_node_error
root_path = pathlib.Path(__file__).parent.parent.parent
root_path = pathlib.Path(__file__).parent.parent.parent.parent
config_path = os.path.join(root_path,'config.yaml')
default_key = [{'name':'Default', 'key':''}]
class StabilityAPI:
def __init__(self):
self.api_url = "https://api.stability.ai"
self.api_keys = None
self.api_current = 0
self.user_info = {}
self.getAPIKeys()
def getErrors(self, code):
errors = {
@@ -154,7 +154,6 @@ class StabilityAPI:
stableAPI = StabilityAPI()
@PromptServer.instance.routes.get("/easyuse/stability/api_keys")
async def get_stability_api_keys(request):
stableAPI.getAPIKeys()
+2 -2
View File
@@ -14,9 +14,9 @@ class easyControlnet:
return (positive, negative)
# kolors controlnet patch
from ..kolors.loader import is_kolors_model, applyKolorsUnet
from ..modules.kolors.loader import is_kolors_model, applyKolorsUnet
if is_kolors_model(model):
from ..kolors.model_patch import patch_controlnet
from ..modules.kolors.model_patch import patch_controlnet
if control_net is None:
with applyKolorsUnet():
control_net = easyCache.load_controlnet(control_net_name, scale_soft_weights, use_cache)
+29 -1
View File
@@ -125,7 +125,35 @@ class ResizeMode(Enum):
return 2
assert False, "NOTREACHED"
# credit by https://github.com/chflame163/ComfyUI_LayerStyle/blob/main/py/imagefunc.py#L591C1-L617C22
def fit_resize_image(image: Image, target_width: int, target_height: int, fit: str, resize_sampler: str,
background_color: str = '#000000') -> Image:
image = image.convert('RGB')
orig_width, orig_height = image.size
if image is not None:
if fit == 'letterbox':
if orig_width / orig_height > target_width / target_height: # 更宽,上下留黑
fit_width = target_width
fit_height = int(target_width / orig_width * orig_height)
else: # 更瘦,左右留黑
fit_height = target_height
fit_width = int(target_height / orig_height * orig_width)
fit_image = image.resize((fit_width, fit_height), resize_sampler)
ret_image = Image.new('RGB', size=(target_width, target_height), color=background_color)
ret_image.paste(fit_image, box=((target_width - fit_width) // 2, (target_height - fit_height) // 2))
elif fit == 'crop':
if orig_width / orig_height > target_width / target_height: # 更宽,裁左右
fit_width = int(orig_height * target_width / target_height)
fit_image = image.crop(
((orig_width - fit_width) // 2, 0, (orig_width - fit_width) // 2 + fit_width, orig_height))
else: # 更瘦,裁上下
fit_height = int(orig_width * target_height / target_width)
fit_image = image.crop(
(0, (orig_height - fit_height) // 2, orig_width, (orig_height - fit_height) // 2 + fit_height))
ret_image = fit_image.resize((target_width, target_height), resize_sampler)
else:
ret_image = image.resize((target_width, target_height), resize_sampler)
return ret_image
# CLIP反推
import comfy.utils
+15 -55
View File
@@ -8,16 +8,16 @@ from comfy.model_patcher import ModelPatcher
from nodes import NODE_CLASS_MAPPINGS
from collections import defaultdict
from .log import log_node_info, log_node_error
from ..dit.pixArt.loader import load_pixart
from ..modules.dit.pixArt.loader import load_pixart
stable_diffusion_loaders = ["easy fullLoader", "easy a1111Loader", "easy comfyLoader", "easy hunyuanDiTLoader","easy zero123Loader", "easy svdLoader"]
diffusion_loaders = ["easy fullLoader", "easy a1111Loader", "easy fluxLoader", "easy comfyLoader", "easy hunyuanDiTLoader", "easy zero123Loader", "easy svdLoader"]
stable_cascade_loaders = ["easy cascadeLoader"]
dit_loaders = ['easy pixArtLoader']
controlnet_loaders = ["easy controlnetLoader", "easy controlnetLoaderADV"]
controlnet_loaders = ["easy controlnetLoader", "easy controlnetLoaderADV", "easy controlnetLoader++"]
instant_loaders = ["easy instantIDApply", "easy instantIDApplyADV"]
cascade_vae_node = ["easy preSamplingCascade", "easy fullCascadeKSampler"]
model_merge_node = ["easy XYInputs: ModelMergeBlocks"]
lora_widget = ["easy fullLoader", "easy a1111Loader", "easy comfyLoader"]
lora_widget = ["easy fullLoader", "easy a1111Loader", "easy comfyLoader", "easy fluxLoader"]
class easyLoader:
def __init__(self):
@@ -33,7 +33,7 @@ class easyLoader:
"t5": defaultdict(tuple),
"chatglm3": defaultdict(tuple),
}
self.memory_threshold = self.determine_memory_threshold(0.7)
self.memory_threshold = self.determine_memory_threshold(1)
self.lora_name_cache = []
def clean_values(self, values: str):
@@ -101,7 +101,7 @@ class easyLoader:
setting = f'{lora_name};{entry["inputs"]["lora_model_strength"]};{entry["inputs"]["lora_clip_strength"]}'
desired_lora_settings.add(setting)
if class_type in stable_diffusion_loaders:
if class_type in diffusion_loaders:
desired_ckpt_names.add(self.get_input_value(entry, "ckpt_name", prompt))
desired_vae_names.add(self.get_input_value(entry, "vae_name"))
@@ -240,7 +240,7 @@ class easyLoader:
else:
model_options = {}
if re.search("nf4", ckpt_name):
from ..bitsandbytes_NF4 import OPS
from ..modules.bitsandbytes_NF4 import OPS
model_options = {"custom_operations": OPS}
loaded_ckpt = comfy.sd.load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=output_clip, output_clipvision=output_clipvision, embedding_directory=folder_paths.get_folder_paths("embeddings"), model_options=model_options)
@@ -351,7 +351,7 @@ class easyLoader:
lora_path = None
if lora_path is not None:
log_node_info("Load LORA",f"{lora_name}: {model_strength}, {clip_strength}, LBW={lbw}, A={lbw_a}, B={lbw_b}")
log_node_info("Load LORA",f"{lora_name}: model={model_strength:.3f}, clip={clip_strength:.3f}, LBW={lbw}, A={lbw_a}, B={lbw_b}")
if lbw:
lbw = lora["lbw"]
lbw_a = lora["lbw_a"]
@@ -391,7 +391,7 @@ class easyLoader:
# PixArt
if type is not None and type == 'PixArt':
from ..dit.pixArt.loader import load_pixart_lora
from ..modules.dit.pixArt.loader import load_pixart_lora
model = load_pixart_lora(model, _lora, lora_path, model_strength)
else:
model, clip = comfy.sd.load_lora_for_models(model, clip, _lora, model_strength, clip_strength)
@@ -432,10 +432,13 @@ class easyLoader:
clip_vision = None
lora_stack = []
# Check for model override
can_load_lora = True
# 判断是否存在 模型或Lora叠加xyplot, 若存在优先缓存第一个模型
# Determine whether there is a model or Lora overlapping xyplot, and if there is, prioritize caching the first model.
xy_model_id = next((x for x in prompt if str(prompt[x]["class_type"]) in ["easy XYInputs: ModelMergeBlocks",
"easy XYInputs: Checkpoint"]), None)
# This will find nodes that aren't actively connected to anything, and skip loading lora's for them.
xy_lora_id = next((x for x in prompt if str(prompt[x]["class_type"]) == "easy XYInputs: Lora"), None)
if xy_lora_id is not None:
can_load_lora = False
@@ -461,6 +464,7 @@ class easyLoader:
if optional_lora_stack is not None and can_load_lora:
for lora in optional_lora_stack:
# This is a subtle bit of code because it uses the model created by the last call, and passes it to the next call.
lora = {"lora_name": lora[0], "model": model, "clip": clip, "model_strength": lora[1],
"clip_strength": lora[2]}
model, clip = self.load_lora(lora)
@@ -489,7 +493,7 @@ class easyLoader:
log_node_info("Load Kolors UNet", f"{unet_name} cached")
return self.loaded_objects["unet"][unet_name][0]
else:
from ..kolors.loader import applyKolorsUnet
from ..modules.kolors.loader import applyKolorsUnet
with applyKolorsUnet():
unet_path = folder_paths.get_full_path("unet", unet_name)
sd = comfy.utils.load_torch_file(unet_path)
@@ -503,7 +507,7 @@ class easyLoader:
return model
def load_chatglm3(self, chatglm3_name):
from ..kolors.loader import load_chatglm3
from ..modules.kolors.loader import load_chatglm3
if chatglm3_name in self.loaded_objects["chatglm3"]:
log_node_info("Load ChatGLM3", f"{chatglm3_name} cached")
return self.loaded_objects["chatglm3"][chatglm3_name][0]
@@ -531,50 +535,6 @@ class easyLoader:
self.eviction_based_on_memory()
return model
def load_dit_clip(self, clip_name, **kwargs):
if clip_name in self.loaded_objects["clip"]:
return self.loaded_objects["clip"][clip_name][0]
clip_path = folder_paths.get_full_path("clip", clip_name)
sd = comfy.utils.load_torch_file(clip_path)
prefix = "bert."
state_dict = {}
for key in sd:
nkey = key
if key.startswith(prefix):
nkey = key[len(prefix):]
state_dict[nkey] = sd[key]
m, e = model.load_sd(state_dict)
if len(m) > 0 or len(e) > 0:
print(f"{clip_name}: clip missing {len(m)} keys ({len(e)} extra)")
self.add_to_cache("clip", clip_name, model)
self.eviction_based_on_memory()
return model
def load_dit_t5(self, t5_name, **kwargs):
if t5_name in self.loaded_objects["t5"]:
return self.loaded_objects["t5"][t5_name][0]
model_type = kwargs['model_type'] if "model_type" in kwargs else 'HyDiT'
if model_type == 'HyDiT':
del kwargs['model_type']
model = EXM_HyDiT_Tenc_Temp(model_class="mT5", **kwargs)
t5_path = folder_paths.get_full_path("t5", t5_name)
sd = comfy.utils.load_torch_file(t5_path)
m, e = model.load_sd(sd)
if len(m) > 0 or len(e) > 0:
print(f"{t5_name}: mT5 missing {len(m)} keys ({len(e)} extra)")
self.add_to_cache("t5", t5_name, model)
self.eviction_based_on_memory()
return model
def load_t5_from_sd3_clip(self, sd3_clip, padding):
try:
from comfy.text_encoders.sd3_clip import SD3Tokenizer, SD3ClipModel
+1 -1
View File
@@ -7,7 +7,7 @@ import latent_preview
from nodes import MAX_RESOLUTION
from PIL import Image
from typing import Dict, List, Optional, Tuple, Union, Any
from ..brushnet.model_patch import add_model_patch
from ..modules.brushnet.model_patch import add_model_patch
class easySampler:
def __init__(self):
+7 -5
View File
@@ -82,6 +82,7 @@ def compare_revision(num):
if not comfy_ui_revision:
comfy_ui_revision = get_comfyui_revision()
return True if comfy_ui_revision == 'Unknown' or int(comfy_ui_revision) >= num else False
def find_tags(string: str, sep="/") -> list[str]:
"""
find tags from string use the sep for split
@@ -217,14 +218,15 @@ def get_local_filepath(url, dirname, local_file_name=None):
except Exception as e:
use_mirror = True
url = url.replace('huggingface.co', 'hf-mirror.com')
print(f'无法从huggingface下载,正在尝试从 {url} 下载...')
PromptServer.instance.send_sync("easyuse-toast", {'content': f'无法连接huggingface,正在尝试从 {url} 下载...', 'duration': 10000})
print(f'Unable to download from huggingface, trying mirror: {url}')
PromptServer.instance.send_sync("easyuse-toast", {'content': f'Unable to connect to huggingface, trying mirror: {url}', 'duration': 10000})
try:
download_url_to_file(url, destination)
except Exception as err:
error_msg = str(err.args[0]) if err.args else str(err)
PromptServer.instance.send_sync("easyuse-toast",
{'content': f'无法从 {url} 下载模型', 'type':'error'})
raise Exception(f'无法从 {url} 下载,错误信息:{str(err.args[0])}')
{'content': f'Unable to download model from {url}', 'type':'error'})
raise Exception(f'Download failed. Original URL and mirror both failed.\nError: {error_msg}')
return destination
def to_lora_patch_dict(state_dict: dict) -> dict:
@@ -277,4 +279,4 @@ def getMetadata(filepath):
def cleanGPUUsedForce():
gc.collect()
mm.unload_all_models()
mm.soft_empty_cache()
mm.soft_empty_cache()
+179 -7
View File
@@ -1,9 +1,13 @@
import re
import random
import os
import folder_paths
import yaml
import json
import os
import random
import re
from math import prod
import yaml
import folder_paths
from .log import log_node_info
easy_wildcard_dict = {}
@@ -34,11 +38,11 @@ def read_wildcard_dict(wildcard_path):
key = os.path.splitext(rel_path)[0].replace('\\', '/').lower()
try:
with open(file_path, 'r', encoding="ISO-8859-1") as f:
with open(file_path, 'r', encoding="UTF-8", errors="ignore") as f:
lines = f.read().splitlines()
easy_wildcard_dict[key] = lines
except UnicodeDecodeError:
with open(file_path, 'r', encoding="UTF-8", errors="ignore") as f:
with open(file_path, 'r', encoding="ISO-8859-1") as f:
lines = f.read().splitlines()
easy_wildcard_dict[key] = lines
elif file.endswith('.yaml'):
@@ -302,3 +306,171 @@ def process_with_loras(wildcard_opt, model, clip, title="Positive", seed=None, c
log_node_info("easy wildcards",f'{title}_decode: {pass1}')
return model, clip, pass2, pass1, show_wildcard_prompt, pipe_lora_stack
def expand_wildcard(keyword: str) -> tuple[str]:
"""传入文件通配符的关键词,从 easy_wildcard_dict 中获取通配符的所有选项。"""
global easy_wildcard_dict
if keyword in easy_wildcard_dict:
return tuple(easy_wildcard_dict[keyword])
elif '*' in keyword:
subpattern = keyword.replace('*', '.*').replace('+', r"\+")
total_pattern = []
for k, v in easy_wildcard_dict.items():
if re.match(subpattern, k) is not None:
total_pattern.extend(v)
if total_pattern:
return tuple(total_pattern)
elif '/' not in keyword:
return expand_wildcard(f"*/{keyword}")
def expand_options(options: str) -> tuple[str]:
"""传入去掉 {} 的选项。
展开选项通配符,返回该选项中的每一项,这里的每一项都是一个替换项。
不会对选项内容进行任何处理,即便存在空格或特殊符号,也会原样返回。"""
return tuple(options.split("|"))
def decimal_to_irregular(n, bases):
"""
将十进制数转换为不规则进制
:param n: 十进制数
:param bases: 各位置的基数列表,从低位到高位
:return: 不规则进制表示的列表,从低位到高位
"""
if n == 0:
return [0] * len(bases) if bases else [0]
digits = []
remaining = n
# 从低位到高位处理
for base in bases:
digit = remaining % base
digits.append(digit)
remaining = remaining // base
return digits
class WildcardProcessor:
"""通配符处理器
通配符格式:
+ option : {a|b}
+ wildcard: __keyword__ 通配符内容将从 Easy-Use 插件提供的 easy_wildcard_dict 中获取
"""
RE_OPTIONS = re.compile(r"{([^{}]*?)}")
RE_WILDCARD = re.compile(r"__([\w\s.\-+/*\\]+?)__")
RE_REPLACER = re.compile(r"{([^{}]*?)}|__([\w\s.\-+/*\\]+?)__")
# 将输入的提示词转化成符合 python str.format 要求格式的模板,并将 option 和 wildcard 按照顺序在模板中留下 {0}, {1} 等占位符
template: str
# option、wildcard 的替换项列表,按照在模板中出现的顺序排列,相同的替换项列表只保留第一份
replacers: dict[int, tuple[str]]
# 占位符的编号和替换项列表的索引的映射,占位符编号按照在模板中出现的顺序排列,方便减少替换项的存储占用
placeholder_mapping: dict[str, int] # placeholder_id => replacer_id
# 各替换项列表的项数,按照在模板中出现的顺序排列,提前计算,方便后续使用
placeholder_choices: dict[str, int] # placeholder_id => len(replacer)
def __init__(self, text: str):
self.__make_template(text)
self.__total = None
def random(self, seed=None) -> str:
"从所有可能性中随机获取一个"
if seed is not None:
random.seed(seed)
return self.getn(random.randint(0, self.total() - 1))
def getn(self, n: int) -> str:
"从所有可能性中获取第 n 个,以 self.total() 为周期循环"
n = n % self.total()
indice = decimal_to_irregular(n, self.placeholder_choices.values())
replacements = {
placeholder_id: self.replacers[self.placeholder_mapping[placeholder_id]][i]
for placeholder_id, i in zip(self.placeholder_mapping.keys(), indice)
}
return self.template.format(**replacements)
def getmany(self, limit: int, offset: int = 0) -> list[str]:
"""返回一组可能性组成的列表,为了避免结果太长导致内存占用超限,使用 limit 限制列表的长度,使用 offset 调整偏移。
若 limit 和 offset 的设置导致预期的结果长度超过剩下的实际长度,则会回到开头。
"""
return [self.getn(n) for n in range(offset, offset + limit)]
def total(self) -> int:
"计算可能性的数目"
if self.__total is None:
self.__total = prod(self.placeholder_choices.values())
return self.__total
def __make_template(self, text: str):
"""将输入的提示词转化成符合 python str.format 要求格式的模板,
并将 option 和 wildcard 按照顺序在模板中留下 {r0}, {r1} 等占位符,
即使遇到相同的 option 或 wildcard,留下的占位符编号也不同,从而使每项都独立变化。
"""
self.placeholder_mapping = {}
placeholder_id = 0
replacer_id = 0
replacers_rev = {} # replacers => id
blocks = []
# 记录所处理过的通配符末尾在文本中的位置,用于拼接完整的模板
tail = 0
for match in self.RE_REPLACER.finditer(text):
# 提取并展开通配符内容
m = match.group(0)
if m.startswith("{"):
choices = expand_options(m[1:-1])
elif m.startswith("__"):
keyword = m[2:-2].lower()
keyword = wildcard_normalize(keyword)
choices = expand_wildcard(keyword)
else:
raise ValueError(f"{m!r} is not a wildcard or option")
# 记录通配符的替换项列表和ID,相同的通配符只保留第一个
if choices not in replacers_rev:
replacers_rev[choices] = replacer_id
replacer_id += 1
# 拼接通配符前方文本
start, end = match.span()
blocks.append(text[tail:start])
tail = end
# 将通配符替换为占位符,并记录占位符和替换项列表的索引的映射
blocks.append(f"{{r{placeholder_id}}}")
self.placeholder_mapping[f"r{placeholder_id}"] = replacers_rev[choices]
placeholder_id += 1
if tail < len(text):
blocks.append(text[tail:])
self.template = "".join(blocks)
self.replacers = {v: k for k, v in replacers_rev.items()}
self.placeholder_choices = {
placeholder_id: len(self.replacers[replacer_id])
for placeholder_id, replacer_id in self.placeholder_mapping.items()
}
def test_option():
text = "{|a|b|c}"
answer = ["", "a", "b", "c"]
p = WildcardProcessor(text)
assert p.total() == len(answer)
assert p.getn(0) == answer[0]
assert p.getmany(4) == answer
assert p.getmany(4, 1) == answer[1:]
def test_same():
text = "{a|b},{a|b}"
answer = ["a,a", "b,a", "a,b", "b,b"]
p = WildcardProcessor(text)
assert p.total() == len(answer)
assert p.getn(0) == answer[0]
assert p.getmany(4) == answer
assert p.getmany(4, 1) == answer[1:]
+113 -21
View File
@@ -5,9 +5,10 @@ from .utils import easySave, get_sd_version
from .adv_encode import advanced_encode
from .controlnet import easyControlnet
from .log import log_node_warn
from ..layer_diffuse import LayerDiffuse
from ..modules.layer_diffuse import LayerDiffuse
from ..config import RESOURCES_DIR
from nodes import CLIPTextEncode
import pprint
try:
from comfy_extras.nodes_flux import FluxGuidance
except:
@@ -52,7 +53,7 @@ class easyXYPlot():
plot_image_vars[value_type] = value
if value_type in ["seed", "Seeds++ Batch"]:
value_label = f"{value}"
value_label = f"seed: {value}"
else:
value_label = f"{value_type}: {value}"
@@ -63,7 +64,9 @@ class easyXYPlot():
arr = value.split(',')
model_name = os.path.basename(os.path.splitext(arr[0])[0])
trigger_words = ' ' + arr[3] if value_type == 'Lora' and len(arr[3]) > 2 else ''
value_label = f"{model_name}{trigger_words}"
lora_weight = float(arr[1]) if value_type == 'Lora' and len(arr) > 1 else 0
lora_weight_desc = f"({lora_weight:.2f})" if lora_weight > 0 else ''
value_label = f"{model_name[:30]}{lora_weight_desc} {trigger_words}"
if value_type in ["ModelMergeBlocks"]:
if ":" in value:
@@ -118,24 +121,32 @@ class easyXYPlot():
def calculate_background_dimensions(self):
border_size = int((self.max_width // 8) * 1.5) if self.y_type != "None" or self.x_type != "None" else 0
bg_width = self.num_cols * (self.max_width + self.grid_spacing) - self.grid_spacing + border_size * (
self.y_type != "None")
bg_height = self.num_rows * (self.max_height + self.grid_spacing) - self.grid_spacing + border_size * (
self.x_type != "None")
# Add space at the bottom of the image for common informaiton about the image
bg_height = bg_height + (border_size*2)
# print(f"Grid Size: width = {bg_width} height = {bg_height} border_size = {border_size}")
x_offset_initial = border_size if self.y_type != "None" else 0
y_offset = border_size if self.x_type != "None" else 0
return bg_width, bg_height, x_offset_initial, y_offset
def adjust_font_size(self, text, initial_font_size, label_width):
font = self.get_font(initial_font_size, self.custom_font)
text_width = font.getbbox(text)
# pprint.pp(f"Initial font size: {initial_font_size}, text: {text}, text_width: {text_width}")
if text_width and text_width[2]:
text_width = text_width[2]
scaling_factor = 0.9
if text_width > (label_width * scaling_factor):
# print(f"Adjusting font size from {initial_font_size} to fit text width {text_width} into label width {label_width} scaling_factor {scaling_factor}")
return int(initial_font_size * (label_width / text_width) * scaling_factor)
else:
return initial_font_size
@@ -144,15 +155,22 @@ class easyXYPlot():
_, _, width, height = d.textbbox((0, 0), text=text, font=font)
return width, height
def create_label(self, img, text, initial_font_size, is_x_label=True, max_font_size=70, min_font_size=10):
label_width = img.width if is_x_label else img.height
def create_label(self, img, text, initial_font_size, is_x_label=True, max_font_size=70, min_font_size=10, label_width=0, label_height=0):
# if the label_width is specified, leave it along. Otherwise do the old logic.
if label_width == 0:
label_width = img.width if is_x_label else img.height
text_lines = text.split('\n')
longest_line = max(text_lines, key=len)
# Adjust font size
font_size = self.adjust_font_size(text, initial_font_size, label_width)
font_size = self.adjust_font_size(longest_line, initial_font_size, label_width)
font_size = min(max_font_size, font_size) # Ensure font isn't too large
font_size = max(min_font_size, font_size) # Ensure font isn't too small
label_height = int(font_size * 1.5) if is_x_label else font_size
if label_height == 0:
label_height = int(font_size * 1.5) if is_x_label else font_size
label_bg = Image.new('RGBA', (label_width, label_height), color=(255, 255, 255, 0))
d = ImageDraw.Draw(label_bg)
@@ -166,7 +184,7 @@ class easyXYPlot():
text = text + '...'
# Compute text width and height for multi-line text
text_lines = text.split('\n')
text_widths, text_heights = zip(*[self.textsize(d, line, font=font) for line in text_lines])
max_text_width = max(text_widths)
total_text_height = sum(text_heights)
@@ -195,8 +213,7 @@ class easyXYPlot():
clip = clip if clip is not None else plot_image_vars["clip"]
steps = plot_image_vars['steps'] if "steps" in plot_image_vars else 1
sd_version = get_sd_version(plot_image_vars['model'])
sd_version = get_sd_version(plot_image_vars['model'])
# 高级用法
if plot_image_vars["x_node_type"] == "advanced" or plot_image_vars["y_node_type"] == "advanced":
if self.x_type == "Seeds++ Batch" or self.y_type == "Seeds++ Batch":
@@ -347,17 +364,24 @@ class easyXYPlot():
# Lora
if self.x_type == "Lora" or self.y_type == "Lora":
# print(f"Lora: {x_value} {y_value}")
model = model if model is not None else plot_image_vars["model"]
clip = clip if clip is not None else plot_image_vars["clip"]
xy_values = x_value if self.x_type == "Lora" else y_value
lora_name, lora_model_strength, lora_clip_strength, _ = xy_values.split(",")
lora_stack = [{"lora_name": lora_name, "model": model, "clip" :clip, "model_strength": float(lora_model_strength), "clip_strength": float(lora_clip_strength)}]
# print(f"new_lora_stack: {new_lora_stack}")
if 'lora_stack' in plot_image_vars:
lora_stack = lora_stack + plot_image_vars['lora_stack']
if lora_stack is not None and lora_stack != []:
for lora in lora_stack:
# Each generation of the model, must use the reference to previously created model / clip objects.
lora['model'] = model
lora['clip'] = clip
model, clip = self.easyCache.load_lora(lora)
# 提示词
@@ -415,15 +439,32 @@ class easyXYPlot():
# 简单用法
if plot_image_vars["x_node_type"] == "loader" or plot_image_vars["y_node_type"] == "loader":
model, clip, vae, clip_vision = self.easyCache.load_checkpoint(plot_image_vars['ckpt_name'])
if self.x_type == 'ckpt_name' or self.y_type == 'ckpt_name':
ckpt_name = x_value if self.x_type == "ckpt_name" else y_value
model, clip, vae, clip_vision = self.easyCache.load_checkpoint(ckpt_name)
if plot_image_vars['lora_name'] != "None":
lora = {"lora_name": plot_image_vars['lora_name'], "model": model, "clip": clip, "model_strength": plot_image_vars['lora_model_strength'], "clip_strength": plot_image_vars['lora_clip_strength']}
if self.x_type == 'lora_name' or self.y_type == 'lora_name':
model, clip, vae, clip_vision = self.easyCache.load_checkpoint(plot_image_vars['ckpt_name'])
lora_name = x_value if self.x_type == "lora_name" else y_value
lora = {"lora_name": lora_name, "model": model, "clip": clip, "model_strength": 1, "clip_strength": 1}
model, clip = self.easyCache.load_lora(lora)
if self.x_type == 'lora_model_strength' or self.y_type == 'lora_model_strength':
model, clip, vae, clip_vision = self.easyCache.load_checkpoint(plot_image_vars['ckpt_name'])
lora_model_strength = float(x_value) if self.x_type == "lora_model_strength" else float(y_value)
lora = {"lora_name": plot_image_vars['lora_name'], "model": model, "clip": clip, "model_strength": lora_model_strength, "clip_strength": plot_image_vars['lora_clip_strength']}
model, clip = self.easyCache.load_lora(lora)
if self.x_type == 'lora_clip_strength' or self.y_type == 'lora_clip_strength':
model, clip, vae, clip_vision = self.easyCache.load_checkpoint(plot_image_vars['ckpt_name'])
lora_clip_strength = float(x_value) if self.x_type == "lora_clip_strength" else float(y_value)
lora = {"lora_name": plot_image_vars['lora_name'], "model": model, "clip": clip, "model_strength": plot_image_vars['lora_model_strength'], "clip_strength": lora_clip_strength}
model, clip = self.easyCache.load_lora(lora)
# Check for custom VAE
if plot_image_vars['vae_name'] not in ["Baked-VAE", "Baked VAE"]:
vae = self.easyCache.load_vae(plot_image_vars['vae_name'])
if self.x_type == 'vae_name' or self.y_type == 'vae_name':
vae_name = x_value if self.x_type == "vae_name" else y_value
vae = self.easyCache.load_vae(vae_name)
# CLIP skip
if not clip:
@@ -447,6 +488,7 @@ class easyXYPlot():
plot_image_vars['negative_weight_interpretation'], w_max=1.0,
apply_to_pooled="enable", a1111_prompt_style=a1111_prompt_style, steps=steps)
model = model if model is not None else plot_image_vars["model"]
vae = vae if vae is not None else plot_image_vars["vae"]
positive = positive if positive is not None else plot_image_vars["positive_cond"]
@@ -565,11 +607,10 @@ class easyXYPlot():
return self.latents_plot
def plot_images_and_labels(self):
# Calculate the background dimensions
def plot_images_and_labels(self, plot_image_vars):
bg_width, bg_height, x_offset_initial, y_offset = self.calculate_background_dimensions()
# Create the white background image
background = Image.new('RGBA', (int(bg_width), int(bg_height)), color=(255, 255, 255, 255))
output_image = []
@@ -601,4 +642,55 @@ class easyXYPlot():
y_offset += img.height + self.grid_spacing
return (self.sampler.pil2tensor(background), output_image)
# lookup used models in the image
common_label = ""
# Update to add a function to do the heavy lifting. Parameters are plot_image_vars name, label to use, names of the axis,
# pprint.pp(plot_image_vars)
# We don't process LORAs here because there can be multiple of them.
labels = [
{"id": "ckpt_name", "id_desc": "ckpt", "axis_type" : "Checkpoint"},
{"id": "vae_name", "id_desc": '', "axis_type" : "vae_name"},
{"id": "sampler_name", "id_desc": "sampler", "axis_type" : "Sampler"},
{"id": "scheduler", "id_desc": '', "axis_type" : "Scheduler"},
{"id": "steps", "id_desc": '', "axis_type" : "Steps"},
{"id": "Flux Guidance", "id_desc": 'guidance', "axis_type" : "Flux Guidance"},
{"id": "seed", "id_desc": '', "axis_type" : "Seeds++ Batch"}
]
for item in labels:
# Only add the label if it's not one of the axis
# print(f"Checking item: {item['id']} axis_type {item['axis_type']} x_type: {self.x_type} y_type: {self.y_type}")
if self.x_type != item['axis_type'] and self.y_type != item['axis_type']:
common_label += self.add_common_label(item['id'], plot_image_vars, item['id_desc'])
common_label += f"\n"
if plot_image_vars['lora_stack'] is not None and plot_image_vars['lora_stack'] != []:
# print(f"lora_stack: {plot_image_vars['lora_stack']}")
for lora in plot_image_vars['lora_stack']:
lora_name = lora['lora_name']
lora_weight = lora['model_strength']
if lora_name is not None and len(lora_name) > 0 and lora_weight > 0:
common_label += f"LORA: {lora_name} weight: {lora_weight:.2f} \n"
common_label = common_label.strip()
if len(common_label) > 0:
label_height = background.height - y_offset
label_bg = self.create_label(background, common_label, int(48 * background.width / 512), label_width=background.width, label_height=label_height)
label_x = (background.width - label_bg.width) // 2
label_y = y_offset
# print(f"Adding common label: {common_label} x = {label_x} y = {label_y}")
background.alpha_composite(label_bg, (label_x, label_y))
return (self.sampler.pil2tensor(background), output_image)
def add_common_label(self, tag, plot_image_vars, description = ''):
label = ''
if description == '': description = tag
if tag in plot_image_vars and plot_image_vars[tag] is not None and plot_image_vars[tag] != 'None':
label += f"{description}: {plot_image_vars[tag]} "
# print(f"add_common_label: {tag} description: {description} label: {label}" )
return label
File diff suppressed because it is too large Load Diff
@@ -3,7 +3,7 @@
import comfy.ops
import torch
import folder_paths
from ..libs.utils import install_package
from ...libs.utils import install_package
try:
from bitsandbytes.nn.modules import Params4bit, QuantState
@@ -5,13 +5,21 @@ import os
import types
import torch
from accelerate import init_empty_weights, load_checkpoint_and_dispatch
try:
from accelerate import init_empty_weights, load_checkpoint_and_dispatch
except:
init_empty_weights, load_checkpoint_and_dispatch = None, None
import comfy
from .model import BrushNetModel, PowerPaintModel
from .model_patch import add_model_patch_option, patch_model_function_wrapper
from .powerpaint_utils import TokenizerWrapper, add_tokens
try:
from .model import BrushNetModel, PowerPaintModel
from .model_patch import add_model_patch_option, patch_model_function_wrapper
from .powerpaint_utils import TokenizerWrapper, add_tokens
except:
BrushNetModel, PowerPaintModel = None, None
add_model_patch_option, patch_model_function_wrapper = None, None
TokenizerWrapper, add_tokens = None, None
cwd_path = os.path.dirname(os.path.realpath(__file__))
brushnet_config_file = os.path.join(cwd_path, 'config', 'brushnet.json')
@@ -272,11 +280,11 @@ class BrushNet:
# unload vae
del vae
for loaded_model in comfy.model_management.current_loaded_models:
if type(loaded_model.model.model) in ModelsToUnload:
comfy.model_management.current_loaded_models.remove(loaded_model)
loaded_model.model_unload()
del loaded_model
# for loaded_model in comfy.model_management.current_loaded_models:
# if type(loaded_model.model.model) in ModelsToUnload:
# comfy.model_management.current_loaded_models.remove(loaded_model)
# loaded_model.model_unload()
# del loaded_model
# prepare embeddings
prompt_embeds = positive[0][0].to(dtype=torch_dtype).to(brushnet['brushnet'].device)
@@ -449,11 +457,11 @@ class BrushNet:
# unload vae and CLIPs
del vae
del clip
for loaded_model in comfy.model_management.current_loaded_models:
if type(loaded_model.model.model) in ModelsToUnload:
comfy.model_management.current_loaded_models.remove(loaded_model)
loaded_model.model_unload()
del loaded_model
# for loaded_model in comfy.model_management.current_loaded_models:
# if type(loaded_model.model.model) in ModelsToUnload:
# comfy.model_management.current_loaded_models.remove(loaded_model)
# loaded_model.model_unload()
# del loaded_model
# apply patch to model
@@ -663,8 +671,16 @@ def add_brushnet_patch(model, brushnet, torch_dtype, conditioning_latents,
is_SDXL = isinstance(model.model.model_config, comfy.supported_models.SDXL)
if model.model.model_config.custom_operations is None:
fp8 = model.model.model_config.optimizations.get("fp8", model.model.model_config.scaled_fp8 is not None)
operations = comfy.ops.pick_operations(model.model.model_config.unet_config.get("dtype", None), model.model.manual_cast_dtype,
fp8_optimizations=fp8, scaled_fp8=model.model.model_config.scaled_fp8)
else:
# such as gguf
operations = model.model.model_config.custom_operations
if is_SDXL:
input_blocks = [[0, comfy.ops.manual_cast.Conv2d],
input_blocks = [[0, operations.Conv2d],
[1, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[2, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[3, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
@@ -686,7 +702,7 @@ def add_brushnet_patch(model, brushnet, torch_dtype, conditioning_latents,
[7, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock],
[8, comfy.ldm.modules.diffusionmodules.openaimodel.ResBlock]]
else:
input_blocks = [[0, comfy.ops.manual_cast.Conv2d],
input_blocks = [[0, operations.Conv2d],
[1, comfy.ldm.modules.attention.SpatialTransformer],
[2, comfy.ldm.modules.attention.SpatialTransformer],
[3, comfy.ldm.modules.diffusionmodules.openaimodel.Downsample],
@@ -4,7 +4,7 @@ from typing import Any, Dict, List, Optional, Tuple, Union
import torch
from torch import nn
from ..libs.utils import install_package
from ...libs.utils import install_package
try:
install_package("diffusers", "0.27.2", True, "0.25.0")
@@ -1,3 +1,6 @@
import os
import json
import copy
import torch
import math
import comfy.supported_models_base
@@ -7,7 +10,7 @@ import comfy.model_base
import comfy.utils
import comfy.conds
from comfy import model_management
from .diffusers_convert import convert_state_dict
from .diffusers_convert import convert_state_dict, convert_lora_state_dict
# checkpointbf
class EXM_PixArt(comfy.supported_models_base.BASE):
@@ -7,7 +7,7 @@ from comfy.model_base import BaseModel
from comfy.model_patcher import ModelPatcher
from comfy.model_management import cast_to_device
from ..libs.log import log_node_warn, log_node_error, log_node_info
from ...libs.log import log_node_warn, log_node_error, log_node_info
class InpaintHead(torch.nn.Module):
def __init__(self, *args, **kwargs):
@@ -2,7 +2,7 @@ import numpy as np
import torch
from PIL import Image
from .parsing_api import onnx_inference
from ..libs.utils import install_package
from ...libs.utils import install_package
class HumanParsing:
def __init__(self, model_path):
@@ -19,7 +19,7 @@ class HumanParsing:
session_options.execution_mode = ort.ExecutionMode.ORT_SEQUENTIAL
# session_options.add_session_config_entry('gpu_id', str(gpu_id))
self.session = ort.InferenceSession(self.model_path, sess_options=session_options,
providers=['CPUExecutionProvider'])
providers=['CUDAExecutionProvider', 'CPUExecutionProvider'])
parsed_image, mask = onnx_inference(self.session, input_image, mask_components)
return parsed_image, mask
@@ -11,7 +11,7 @@ from comfy.model_base import BaseModel
from comfy.model_patcher import ModelPatcher
from PIL import Image
from nodes import VAEEncode
from ..libs.image import np2tensor, pil2tensor
from ...libs.image import np2tensor, pil2tensor
class UnetParams(TypedDict):
input: torch.Tensor
View File

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