feat: add Image-to-Image generation support with new WanI2IGenerator and API integration, add Wan 2.5 model preview
This commit is contained in:
ru4ls
@@ -11,10 +11,10 @@ This is a direct integration with Alibaba Cloud's Model Studio service, not a th
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- **Enterprise-Grade Infrastructure**: Leverages Alibaba Cloud's battle-tested AI platform serving millions of requests daily
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- **State-of-the-Art Models**: Access to the latest Wan models with continuous updates:
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- **Text-to-Image**: wan2.2-t2i-flash (Speed Edition), wan2.2-t2i-plus (Professional Edition)
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- **Image-to-Video**: wan2.2-i2v-flash (Speed Edition), wan2.2-i2v-plus (Professional Edition)
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- **Text-to-Image**: wan2.5-t2i-preview (Preview Edition), wan2.2-t2i-flash (Speed Edition), wan2.2-t2i-plus (Professional Edition), wanx2.1-t2i-turbo (Turbo Edition), wanx2.1-t2i-plus (Plus Edition), wanx2.0-t2i-turbo (Turbo Edition)
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- **Image-to-Video**: wan2.5-i2v-preview (Preview Edition), wan2.2-i2v-flash (Speed Edition), wan2.2-i2v-plus (Professional Edition)
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- **Image-to-Video Effects**: wan2.1-i2v-plus (Professional Edition)
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- **Text-to-Video**: wan2.2-t2v-plus (Professional Edition)
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- **Text-to-Video**: wan2.5-t2v-preview (Preview Edition), wan2.2-t2v-plus (Professional Edition), wanx2.1-t2v-turbo (Turbo Edition), wanx2.1-t2v-plus (Plus Edition)
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- **Image-to-Video (First/Last Frames)**: wan2.1-kf2v-plus (Professional Edition)
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- **Universal Video Editing (VACE)**: wan2.1-vace-plus (Professional Edition) - Split into 5 specialized nodes for better usability
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- **Commercial Licensing**: Properly licensed for commercial use through Alibaba Cloud's terms of service
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@@ -42,10 +42,11 @@ All API endpoints are centrally managed in the `core/base.py` file, making it ea
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| Node Name | Function | Model | Description |
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|-----------|----------|-------|-------------|
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| Wan Text-to-Image Generator | T2I | wan2.2-t2i-flash, wan2.2-t2i-plus | Generate images from text prompts with multiple resolution options. Returns both image tensor and image URL. |
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| Wan Image-to-Video Generator | I2V | wan2.2-i2v-flash, wan2.2-i2v-plus | Create 5-second videos from a single image and text prompt. Returns both video file path and video URL. |
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| Wan Text-to-Image Generator | T2I | wan2.5-t2i-preview, wan2.2-t2i-flash, wan2.2-t2i-plus, wanx2.1-t2i-turbo, wanx2.1-t2i-plus, wanx2.0-t2i-turbo | Generate images from text prompts with multiple resolution options. Returns both image tensor and image URL. |
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| Wan Image-to-Image Generator | I2I | wan2.5-i2i-preview | Edit images using text prompts and reference images with multiple size options. Returns both image tensor and image URL. |
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| Wan Image-to-Video Generator | I2V | wan2.5-i2v-preview, wan2.2-i2v-flash, wan2.2-i2v-plus | Create 5-second videos from a single image and text prompt. Returns both video file path and video URL. |
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| Wan Image-to-Video Effect Generator | I2V Effect | wan2.1-i2v-plus | Generate videos with predefined effects from a single image. Returns both video file path and video URL. |
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| Wan Text-to-Video Generator | T2V | wan2.2-t2v-plus | Generate 5-second videos directly from text prompts. Returns both video file path and video URL. |
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| Wan Text-to-Video Generator | T2V | wan2.5-t2v-preview, wan2.2-t2v-plus, wanx2.1-t2v-turbo, wanx2.1-t2v-plus | Generate 5-second videos directly from text prompts. Returns both video file path and video URL. |
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| Wan Image-to-Video (First/Last Frame) Generator | II2V | wan2.1-kf2v-plus | Create 5-second videos using both first and last frame images. Returns both video file path and video URL. |
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| Wan VACE - Multi-Image Reference | VACE | wan2.1-vace-plus | Generate videos from multiple reference images. Returns both video file path and video URL. |
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| Wan VACE - Video Repainting | VACE | wan2.1-vace-plus | Repaint videos while preserving motion. Returns both video file path and video URL. |
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@@ -110,7 +111,7 @@ If you only use the international region, you only need to set `DASHSCOPE_API_KE
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## Node Parameters
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### Text-to-Image Generator
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- **model**: Select the Wan model to use (wan2.2-t2i-flash or wan2.2-t2i-plus)
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- **model**: Select the Wan model to use (wan2.5-t2i-preview, wan2.2-t2i-flash, wan2.2-t2i-plus, wanx2.1-t2i-turbo, wanx2.1-t2i-plus, wanx2.0-t2i-turbo)
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- **prompt** (required): The text prompt for image generation
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- **size**: Output image resolution (1024×1024, 1152×896, 896×1152, 1280×720, 720×1280, 1440×512, 512×1440)
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- **negative_prompt**: Text describing content to avoid in the image
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@@ -122,10 +123,25 @@ If you only use the international region, you only need to set `DASHSCOPE_API_KE
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- **image**: Generated image as a tensor (can be connected directly to other ComfyUI nodes)
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- **image_url**: URL of the generated image on Alibaba Cloud's servers
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### Image-to-Image Generator
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- **model**: Select the Wan model to use (wan2.5-i2i-preview)
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- **image_url_1** (required): Publicly accessible URL to the first input image for editing
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- **image_url_2** (optional): Publicly accessible URL to the second reference image (for multi-reference generation)
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- **prompt** (required): The text prompt describing the desired changes to the image
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- **size**: Output image resolution (1024×1024, 1152×896, 896×1152, 1280×720, 720×1280, 1440×512, 512×1440)
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- **negative_prompt**: Text describing content to avoid in the edited image
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- **watermark**: Add Wan watermark to output
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- **seed**: Random seed for generation (0 for random)
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- **num_images**: Number of images to generate (1-4)
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**Return Values:**
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- **image**: Generated image as a tensor (can be connected directly to other ComfyUI nodes)
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- **image_url**: URL of the generated image on Alibaba Cloud's servers
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### Text-to-Video Generator
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- **model**: Select the Wan model to use (wan2.2-t2v-plus)
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- **model**: Select the Wan model to use (wan2.5-t2v-preview, wan2.2-t2v-plus, wanx2.1-t2v-turbo, wanx2.1-t2v-plus)
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- **prompt** (required): The text prompt for video generation
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- **resolution**: Output video resolution (480P, 1080P)
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- **resolution**: Output video resolution (480P, 720P, 1080P)
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- **negative_prompt**: Text describing content to avoid in the video
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- **prompt_extend**: Enable intelligent prompt rewriting for better results
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- **seed**: Random seed for generation (0 for random)
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@@ -139,7 +155,7 @@ If you only use the international region, you only need to set `DASHSCOPE_API_KE
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**Note**: To preview the generated video in ComfyUI, connect the output of this node to a "Load Video (Path)" node from ComfyUI-VideoHelperSuite.
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### Image-to-Video Generator
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- **model**: Select the Wan model to use (wan2.2-i2v-flash or wan2.2-i2v-plus)
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- **model**: Select the Wan model to use (wan2.5-i2v-preview, wan2.2-i2v-flash, wan2.2-i2v-plus)
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- **image_url**: Publicly accessible URL to the image for the first frame of the video
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- **prompt** (required): The text prompt describing the video content
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- **resolution**: Output video resolution (480P, 720P, 1080P)
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@@ -330,6 +346,19 @@ The API key is loaded from the `DASHSCOPE_API_KEY` environment variable and neve
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## Changelog
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### v1.3.0 - Image-to-Image Support
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- Added new Wan Image-to-Image Generator node supporting wan2.5-i2i-preview model
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- Implemented complete i2i functionality with multi-image reference support
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- Added i2i API endpoint to core/base.py for proper communication
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- Updated documentation with new node and its parameters
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- Enhanced Available Nodes table to include Image-to-Image capabilities
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### v1.2.0 - Model Updates
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- Added new Wan2.5 Preview models: wan2.5-t2i-preview, wan2.5-i2v-preview, wan2.5-t2v-preview
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- Added WanX models: wanx2.1-t2i-turbo, wanx2.1-t2i-plus, wanx2.1-t2v-turbo, wanx2.1-t2v-plus, wanx2.0-t2i-turbo
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- Updated model lists across all generator nodes (T2I, I2V, T2V) to include the latest Wan models
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- Enhanced documentation with updated model information and capabilities
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### v1.1.0 - Region Selection Feature
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- Added region selection parameter to all nodes, allowing users to easily switch between international and Mainland China regions
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- Updated `.env.template` to include separate API key variables for international and Mainland China regions
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@@ -8,6 +8,7 @@ from .generators.i2v import WanI2VGenerator
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from .generators.i2v_effect import WanI2VEffectGenerator
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from .generators.t2v import WanT2VGenerator
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from .generators.ii2v import WanII2VGenerator
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from .generators.i2i import WanI2IGenerator
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from .vace.image_reference import WanVACEImageReference
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from .vace.video_repainting import WanVACEVideoRepainting
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from .vace.video_edit import WanVACEVideoEdit
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@@ -20,6 +21,7 @@ NODE_CLASS_MAPPINGS = {
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"WanI2VEffectGenerator": WanI2VEffectGenerator,
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"WanT2VGenerator": WanT2VGenerator,
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"WanII2VGenerator": WanII2VGenerator,
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"WanI2IGenerator": WanI2IGenerator,
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"WanVACEImageReference": WanVACEImageReference,
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"WanVACEVideoRepainting": WanVACEVideoRepainting,
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"WanVACEVideoEdit": WanVACEVideoEdit,
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@@ -33,6 +35,7 @@ NODE_DISPLAY_NAME_MAPPINGS = {
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"WanI2VEffectGenerator": "Wan Image-to-Video Effect Generator",
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"WanT2VGenerator": "Wan Text-to-Video Generator",
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"WanII2VGenerator": "Wan Image-to-Video (First/Last Frame) Generator",
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"WanI2IGenerator": "Wan Image-to-Image Generator",
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"WanVACEImageReference": "Wan VACE - Multi-Image Reference",
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"WanVACEVideoRepainting": "Wan VACE - Video Repainting",
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"WanVACEVideoEdit": "Wan VACE - Local Video Editing",
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@@ -49,12 +49,14 @@ class WanAPIBase:
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"video_post": "https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis",
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"ii2v_post": "https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/image2video/video-synthesis",
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"t2i_post": "https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/text2image/image-synthesis",
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"i2i_post": "https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/image2image/image-synthesis",
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"get": "https://dashscope-intl.aliyuncs.com/api/v1/tasks/{task_id}"
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},
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"mainland_china": {
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"video_post": "https://dashscope.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis",
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"ii2v_post": "https://dashscope.aliyuncs.com/api/v1/services/aigc/image2video/video-synthesis",
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"t2i_post": "https://dashscope.aliyuncs.com/api/v1/services/aigc/text2image/image-synthesis",
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"i2i_post": "https://dashscope.aliyuncs.com/api/v1/services/aigc/image2image/image-synthesis",
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"get": "https://dashscope.aliyuncs.com/api/v1/tasks/{task_id}"
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}
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}
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@@ -0,0 +1,261 @@
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import os
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import json
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import requests
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from PIL import Image
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import numpy as np
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import torch
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import io
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import base64
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from dotenv import load_dotenv
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import sys
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import pathlib
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from datetime import datetime
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# Import the base class and COMFYUI_AVAILABLE flag
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from ..core.base import WanAPIBase, COMFYUI_AVAILABLE
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# Try to import folder_paths if available
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try:
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import folder_paths
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except ImportError:
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pass
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class WanI2IGenerator(WanAPIBase):
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"""Node for image-to-image generation using Wan model"""
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# Define available Wan i2i models
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MODEL_OPTIONS = [
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"wan2.5-i2i-preview", # Preview Edition
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]
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# Define allowed sizes for Wan i2i models
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SIZE_OPTIONS = [
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"1024*1024", # 1:1 square (default)
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"1152*896", # 9:7 landscape
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"896*1152", # 7:9 portrait
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"1280*720", # 16:9 landscape
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"720*1280", # 9:16 portrait
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"1440*512", # Wide landscape
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"512*1440", # Tall portrait
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"768*768", # 1:1 square
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"1440*1440", # 1:1 square
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]
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# Define region options
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REGION_OPTIONS = [
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"international",
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"mainland_china"
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]
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def __init__(self):
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super().__init__()
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"model": (cls.MODEL_OPTIONS, {
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"default": "wan2.5-i2i-preview"
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}),
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"image_url_1": ("STRING", {
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"default": "https://example.com/your_image1.png"
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}),
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"prompt": ("STRING", {
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"multiline": True,
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"default": "Edit the image with the desired changes"
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}),
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"region": (cls.REGION_OPTIONS, {
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"default": "international"
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})
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},
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"optional": {
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"image_url_2": ("STRING", {
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"default": ""
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}),
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"negative_prompt": ("STRING", {
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"multiline": True,
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"default": ""
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}),
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"size": (cls.SIZE_OPTIONS, {
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"default": "1024*1024"
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}),
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"watermark": ("BOOLEAN", {
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"default": False
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}),
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"seed": ("INT", {
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"default": 0,
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"min": 0,
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"max": 2147483647
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}),
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"num_images": ("INT", {
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"default": 1,
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"min": 1,
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"max": 4
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})
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}
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}
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RETURN_TYPES = ("IMAGE", "STRING") # Returns image tensor and image URL
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RETURN_NAMES = ("image", "image_url")
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FUNCTION = "generate"
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CATEGORY = "Ru4ls/Wan"
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def generate(self, model, image_url_1, prompt, region, image_url_2="", negative_prompt="", size="1024*1024",
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watermark=False, seed=0, num_images=1):
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# Check API key based on region
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api_key = self.check_api_key(region)
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# Get the appropriate API endpoints based on region
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endpoints = self.get_api_endpoints(region)
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api_url = endpoints["i2i_post"]
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# Prepare images array - at least one image is required
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images = [image_url_1.strip()]
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if image_url_2 and image_url_2.strip():
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images.append(image_url_2.strip())
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# Prepare API payload for image-to-image generation
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payload = {
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"model": model,
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"input": {
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"prompt": prompt,
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"images": images
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},
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"parameters": {
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"size": size,
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"watermark": watermark,
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"n": num_images
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}
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}
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# Add optional parameters if they have non-default values
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if negative_prompt:
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payload["input"]["negative_prompt"] = negative_prompt
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if seed > 0:
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payload["parameters"]["seed"] = seed
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# Set headers according to DashScope documentation
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headers = {
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"Authorization": f"Bearer {api_key}",
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"Content-Type": "application/json",
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"X-DashScope-Async": "enable" # Wan requires async processing
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}
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try:
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# Make API request
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print(f"Making API request to {api_url}")
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response = requests.post(api_url, headers=headers, json=payload)
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print(f"Response status code: {response.status_code}")
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if hasattr(response, 'text'):
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print(f"Response text: {response.text[:500]}...") # Print first 500 chars
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response.raise_for_status()
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# Parse response to get task_id
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result = response.json()
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print(f"API response received: {json.dumps(result, indent=2)[:200]}...") # Print first 200 chars
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# Check if this is a task creation response
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if "output" in result and "task_id" in result["output"]:
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task_id = result["output"]["task_id"]
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task_status = result["output"]["task_status"]
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print(f"Task created with ID: {task_id}, status: {task_status}")
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# Now we need to poll for the result
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task_result = self.poll_task_result(task_id, region)
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return task_result # Return both image tensor and image URL
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else:
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raise ValueError(f"Unexpected API response format: {result}")
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except requests.exceptions.RequestException as e:
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# More detailed error handling
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if hasattr(e, 'response') and e.response is not None:
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status_code = e.response.status_code
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response_text = e.response.text
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print(f"API request failed with status {status_code}: {response_text}")
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if status_code == 401:
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raise RuntimeError(f"API request failed: 401 Unauthorized. "
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f"This usually means your API key is invalid or not properly configured. "
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f"Error details: {response_text}")
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elif status_code == 403:
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raise RuntimeError(f"API request failed: 403 Forbidden. "
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f"This usually means your API key is valid but you don't have access to this model. "
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f"Error details: {response_text}")
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elif status_code == 400:
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raise RuntimeError(f"API request failed: 400 Bad Request. "
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f"This usually means there's an issue with the request format. "
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f"Error details: {response_text}")
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else:
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raise RuntimeError(f"API request failed: {status_code} {e.response.reason}. Response: {response_text}")
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else:
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raise RuntimeError(f"API request failed: {str(e)}")
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except Exception as e:
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raise RuntimeError(f"Failed to process API response: {str(e)}")
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def poll_task_result(self, task_id, region):
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"""Poll for task result until completion"""
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import time
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# Get the appropriate API endpoints based on region
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endpoints = self.get_api_endpoints(region)
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query_url = endpoints["get"].format(task_id=task_id)
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# Check API key based on region
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api_key = self.check_api_key(region)
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headers = {
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"Authorization": f"Bearer {api_key}",
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"Content-Type": "application/json"
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}
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max_attempts = 30 # Maximum polling attempts
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attempt = 0
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while attempt < max_attempts:
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try:
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print(f"Polling task {task_id}, attempt {attempt + 1}/{max_attempts}")
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response = requests.get(query_url, headers=headers)
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response.raise_for_status()
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|
||||
result = response.json()
|
||||
task_status = result["output"]["task_status"]
|
||||
print(f"Task status: {task_status}")
|
||||
|
||||
if task_status == "SUCCEEDED":
|
||||
# Task completed successfully
|
||||
results = result["output"]["results"]
|
||||
if len(results) > 0 and "url" in results[0]:
|
||||
image_url = results[0]["url"]
|
||||
# Download the generated image
|
||||
image_response = requests.get(image_url)
|
||||
image_response.raise_for_status()
|
||||
|
||||
# Convert to tensor
|
||||
image = Image.open(io.BytesIO(image_response.content))
|
||||
image_tensor = torch.from_numpy(np.array(image).astype(np.float32) / 255.0)
|
||||
image_tensor = image_tensor.unsqueeze(0) # Add batch dimension
|
||||
|
||||
# Return both the image tensor and the image URL
|
||||
return (image_tensor, image_url)
|
||||
else:
|
||||
raise ValueError(f"Unexpected API response format: {result}")
|
||||
|
||||
elif task_status == "FAILED":
|
||||
# Task failed
|
||||
error_code = result["output"].get("code", "Unknown")
|
||||
error_message = result["output"].get("message", "Unknown error")
|
||||
raise RuntimeError(f"Task failed with code: {error_code}, message: {error_message}")
|
||||
|
||||
elif task_status in ["PENDING", "RUNNING"]:
|
||||
# Task still in progress, wait and retry
|
||||
time.sleep(5) # Wait 5 seconds before retrying
|
||||
attempt += 1
|
||||
continue
|
||||
|
||||
else:
|
||||
raise ValueError(f"Unexpected task status: {task_status}")
|
||||
|
||||
except requests.exceptions.RequestException as e:
|
||||
raise RuntimeError(f"Failed to query task status: {str(e)}")
|
||||
|
||||
# If we've reached here, we've exceeded max attempts
|
||||
raise RuntimeError(f"Task did not complete within the expected time ({max_attempts} attempts)")
|
||||
@@ -25,6 +25,7 @@ class WanI2VGenerator(WanAPIBase):
|
||||
|
||||
# Define available Wan i2v models
|
||||
MODEL_OPTIONS = [
|
||||
"wan2.5-i2v-preview", # Preview Edition
|
||||
"wan2.2-i2v-flash", # Speed Edition
|
||||
"wan2.2-i2v-plus" # Professional Edition
|
||||
]
|
||||
|
||||
+7
-1
@@ -24,8 +24,12 @@ class WanT2IGenerator(WanAPIBase):
|
||||
|
||||
# Define available Wan models
|
||||
MODEL_OPTIONS = [
|
||||
"wan2.5-t2i-preview", # Preview Edition
|
||||
"wan2.2-t2i-flash", # Speed Edition
|
||||
"wan2.2-t2i-plus" # Professional Edition
|
||||
"wan2.2-t2i-plus", # Professional Edition
|
||||
"wanx2.1-t2i-turbo" # Turbo Edition
|
||||
"wanx2.1-t2i-plus" # Plus Edition
|
||||
"wanx2.0-t2i-turbo" # Turbo Edition
|
||||
]
|
||||
|
||||
# Define allowed sizes for Wan models with descriptive names
|
||||
@@ -38,6 +42,8 @@ class WanT2IGenerator(WanAPIBase):
|
||||
"720*1280", # 9:16 portrait
|
||||
"1440*512", # Wide landscape
|
||||
"512*1440" # Tall portrait
|
||||
"768*768" # 1:1 square
|
||||
"1440*1440" # 1:1 square
|
||||
]
|
||||
|
||||
# Define region options
|
||||
|
||||
+6
-1
@@ -25,12 +25,17 @@ class WanT2VGenerator(WanAPIBase):
|
||||
|
||||
# Define available Wan t2v models
|
||||
MODEL_OPTIONS = [
|
||||
"wan2.2-t2v-plus" # Professional Edition
|
||||
"wan2.5-t2v-preview", # Preview Edition
|
||||
"wan2.2-t2v-plus", # Professional Edition
|
||||
"wanx2.1-t2v-turbo", # Turbo Edition
|
||||
"wanx2.1-t2v-plus", # Plus Edition
|
||||
|
||||
]
|
||||
|
||||
# Define allowed resolutions for Wan t2v models
|
||||
RESOLUTION_OPTIONS = [
|
||||
"480P",
|
||||
"720P",
|
||||
"1080P"
|
||||
]
|
||||
|
||||
|
||||
Reference in New Issue
Block a user