Initial commit
This commit is contained in:
Jordan Thompson
+8
-58
@@ -1,6 +1,6 @@
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# Byte-compiled / optimized / DLL files
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__pycache__/
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*.py[codz]
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*.py[cod]
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*$py.class
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# C extensions
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@@ -46,7 +46,7 @@ htmlcov/
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nosetests.xml
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coverage.xml
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*.cover
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*.py.cover
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*.py,cover
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.hypothesis/
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.pytest_cache/
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cover/
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@@ -94,37 +94,14 @@ ipython_config.py
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# install all needed dependencies.
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#Pipfile.lock
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# UV
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# Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
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# This is especially recommended for binary packages to ensure reproducibility, and is more
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# commonly ignored for libraries.
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#uv.lock
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# poetry
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# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
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# This is especially recommended for binary packages to ensure reproducibility, and is more
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# commonly ignored for libraries.
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# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
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#poetry.lock
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#poetry.toml
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# pdm
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# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
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# pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
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# https://pdm-project.org/en/latest/usage/project/#working-with-version-control
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#pdm.lock
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#pdm.toml
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.pdm-python
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.pdm-build/
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# pixi
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# Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
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#pixi.lock
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# Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
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# in the .venv directory. It is recommended not to include this directory in version control.
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.pixi
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# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
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# PEP 582; used by e.g. github.com/David-OConnor/pyflow
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__pypackages__/
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# Celery stuff
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@@ -136,7 +113,6 @@ celerybeat.pid
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# Environments
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.env
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.envrc
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.venv
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env/
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venv/
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@@ -169,39 +145,13 @@ dmypy.json
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cython_debug/
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# PyCharm
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# JetBrains specific template is maintained in a separate JetBrains.gitignore that can
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# JetBrains specific template is maintainted in a separate JetBrains.gitignore that can
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# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
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# and can be added to the global gitignore or merged into this file. For a more nuclear
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# option (not recommended) you can uncomment the following to ignore the entire idea folder.
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#.idea/
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*.pyc
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# Abstra
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# Abstra is an AI-powered process automation framework.
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# Ignore directories containing user credentials, local state, and settings.
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# Learn more at https://abstra.io/docs
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.abstra/
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# Visual Studio Code
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# Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore
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# that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
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# and can be added to the global gitignore or merged into this file. However, if you prefer,
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# you could uncomment the following to ignore the entire vscode folder
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# .vscode/
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# Ruff stuff:
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.ruff_cache/
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# PyPI configuration file
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.pypirc
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# Cursor
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# Cursor is an AI-powered code editor. `.cursorignore` specifies files/directories to
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# exclude from AI features like autocomplete and code analysis. Recommended for sensitive data
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# refer to https://docs.cursor.com/context/ignore-files
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.cursorignore
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.cursorindexingignore
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# Marimo
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marimo/_static/
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marimo/_lsp/
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__marimo__/
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# Ignore Windows ADS quarantine metadata files
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*:Zone.Identifier
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*:zone.identifier
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@@ -0,0 +1,116 @@
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# ComfyUI Content Viewer
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A versatile ComfyUI custom node that renders HTML, SVG, Markdown, and code content in a secure embedded iframe viewer with full editing, download, and list support.
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## Features
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### Content Rendering
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- **Auto-detection** of content type: HTML, SVG, Markdown, Python, JavaScript, CSS, or plain text
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- **SVG support** - Renders SVG graphics centered in the viewport
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- **Markdown parsing** - Full support for headers, lists, links, images, code blocks, tables, and emphasis
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- **Code formatting** - Code content displayed with monospace font in styled blocks
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- **ComfyUI theme integration** - Automatically matches ComfyUI's theme colors
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### List Support
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- **Multiple items** - Displays list inputs as individual indexed containers
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- **Per-item copy buttons** - Copy individual list items to clipboard
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- **Per-item editing** - Edit each list item in its own textarea
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- **List separator** - Items joined/split using `---LIST_SEPARATOR---`
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### Controls
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- **Edit** - Modify content directly in the node (supports both single and list content)
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- **Clear** - Reset all content
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- **Fullscreen** - Expand viewer to full screen (press Escape to exit)
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- **Download** - Save content with auto-detected file extension
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- Single content → Downloads as `.html`, `.svg`, `.md`, `.py`, `.js`, `.css`, or `.txt`
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- List content → Downloads as `.zip` containing individually named files (`item_001.txt`, `item_002.txt`, etc.)
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### Data Flow
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- **STRING output** - Passes content downstream for further processing
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- **Flexible input** - Accepts any type via `content` input (STRING, lists, objects)
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- **Content priority** - User edits > Backend execution > Dynamic connected content
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- **Workflow persistence** - Manual edits saved with the workflow
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### Security
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- **Sandboxed iframe** - Content runs in isolated sandbox without access to parent page
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- **No same-origin** - Iframe cannot access ComfyUI's JavaScript context or localStorage
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## Installation
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### Via ComfyUI Manager
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Search for "Content Viewer" in ComfyUI Manager and install.
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### Manual Installation
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Clone this repository into your ComfyUI `custom_nodes` folder:
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```bash
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cd ComfyUI/custom_nodes
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git clone https://github.com/WASasquatch/ComfyUI_Viewer
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```
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Restart ComfyUI.
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## Usage
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### Basic Usage
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1. Add the **Content Viewer** node (found in `WAS/View` category)
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2. Connect any STRING output to the `content` input
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3. Content will be auto-detected and rendered
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### As a Notes/Documentation Node
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1. Add the **Content Viewer** node
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2. Click **Edit** in the controls bar
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3. Enter your HTML, Markdown, or text content
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4. Click **Save** to render
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### Working with Lists
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When connecting a node that outputs multiple strings:
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1. Each string displays in its own container with an index label
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2. Click the copy button on any item to copy just that content
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3. Click **Edit** to modify individual items in separate textareas
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4. Click **Download** to get a `.zip` file with each item as a separate file
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## Supported Content Types
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| Type | Detection | File Extension |
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|------|-----------|----------------|
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| **HTML** | `<!DOCTYPE`, `<html`, or common HTML tags | `.html` |
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| **SVG** | `<svg` tag with optional XML declaration | `.svg` |
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| **Markdown** | Headers (`#`), lists, links, images (`![]()`), code blocks, tables | `.md` |
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| **Python** | `import`, `def`, `class`, `self.` | `.py` |
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| **JavaScript** | `function`, `const`, `let`, `var`, arrow functions | `.js` |
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| **CSS** | Selectors with `{}`, properties with `:` and `;` | `.css` |
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| **Text** | Default fallback | `.txt` |
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## Troubleshooting
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### Content not updating
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- Ensure the connected node is executing (queue the workflow)
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- Try disconnecting and reconnecting the input
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### Errors
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Check the browser console (F12) for `[WAS Viewer]` prefixed messages. Error logs include context for debugging and can be reported via GitHub issues.
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### SVG not rendering
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- Ensure the SVG includes proper `xmlns` attribute: `xmlns="http://www.w3.org/2000/svg"`
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- Verify the SVG is valid XML
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## API
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### Inputs
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| Name | Type | Description |
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|------|------|-------------|
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| `content` | ANY | Content to display (optional, supports lists) |
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### Outputs
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| Name | Type | Description |
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|------|------|-------------|
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| `content` | STRING[] | Current content as list of strings |
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### Hidden Widgets
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| Name | Description |
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|------|-------------|
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| `manual_content` | Stores user-edited content (persisted with workflow) |
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+91
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WEB_DIRECTORY = "./web"
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class AnyType(str):
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def __ne__(self, __value: object) -> bool:
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return False
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any_type = AnyType("*")
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class WASComfyViewer:
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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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"optional": {
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"content": (any_type, {"forceInput": True}),
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},
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"hidden": {
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"manual_content": ("STRING", {"default": ""}),
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},
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}
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RETURN_TYPES = ("STRING",)
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RETURN_NAMES = ("content",)
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OUTPUT_NODE = True
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INPUT_IS_LIST = True
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OUTPUT_IS_LIST = (True,)
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FUNCTION = "run"
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CATEGORY = "WAS/View"
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def run(self, content=None, manual_content=None):
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import json
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import logging
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logger = logging.getLogger("WAS.ContentViewer")
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def to_string(item):
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if item is None:
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return ""
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if isinstance(item, str):
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return item
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if isinstance(item, (int, float, bool)):
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return str(item)
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try:
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return json.dumps(item)
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except Exception as e:
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logger.warning(f"[WAS Viewer] JSON serialization failed: {e}")
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try:
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return str(item)
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except Exception as e2:
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logger.error(f"[WAS Viewer] String conversion failed: {e2}")
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return "Content exists but could not be serialized."
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if content is None:
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content = []
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if not isinstance(content, list):
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content = [content]
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if manual_content is None:
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manual_content = []
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if not isinstance(manual_content, list):
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manual_content = [manual_content]
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content_trimmed = [c[:256] for c in content]
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manual_content_trimmed = [c[:256] for c in manual_content]
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logger.info(f"\n[WAS Viewer] Content:\n{content_trimmed}\nManual Content:\n{manual_content_trimmed}\n")
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if len(content) > 0 and any(c for c in content):
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values = [to_string(c) for c in content]
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logger.info(f"[WAS Viewer] Using content input: {len(values)} items")
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elif len(manual_content) > 0 and any(m for m in manual_content):
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values = [to_string(m) for m in manual_content]
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logger.info(f"[WAS Viewer] Using manual_content: {len(values)} items")
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else:
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values = [""]
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logger.info("[WAS Viewer] No content, using empty")
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display_text = "\n---LIST_SEPARATOR---\n".join(values)
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return {"ui": {"text": (display_text,)}, "result": (values,)}
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NODE_CLASS_MAPPINGS = {
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"WASComfyViewer": WASComfyViewer,
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"WASComfyViewer": "Content Viewer",
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}
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@@ -0,0 +1,25 @@
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[project]
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name = "ComfyUI_Viewer"
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version = "0.0.1"
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description = "ComfyUI Content Viewer - Renders HTML, Markdown, and code in an iframe"
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readme = "README.md"
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requires-python = ">=3.10"
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license = { text = "MIT License" }
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classifiers = [
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"Programming Language :: Python :: 3",
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"License :: OSI Approved :: MIT License",
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"Operating System :: OS Independent"
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]
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dynamic = ["dependencies"]
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[tool.setuptools.dynamic]
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dependencies = { file = ["requirements.txt"] }
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[project.urls]
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Repository = "https://github.com/WASasquatch/ComfyUI_Viewer"
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"Bug Tracker" = "https://github.com/WASasquatch/ComfyUI_Viewer/issues"
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[tool.comfy]
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PublisherId = "was"
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DisplayName = "ComfyUI Content Viewer"
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requires-comfyui = ">=1.0.0"
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@@ -0,0 +1 @@
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# No additional dependencies required
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+1368
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