init

.github/workflows/publish_action.yml

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+name: Publish to Comfy registry
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths:
+      - "pyproject.toml"
+
+jobs:
+  publish-node:
+    name: Publish Custom Node to registry
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - name: Publish Custom Node
+        uses: Comfy-Org/publish-node-action@main
+        with:
+          personal_access_token: ${{ secrets.REGISTRY_ACCESS_TOKEN }}

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

README.md

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+# ComfyUI Text Randomizer 1.0.0
+<sub>[About](#comfyui-text-randomizer-100) | [Custom nodes](#custom-nodes) | [Workflows](#workflows) | [Tips](#tips)</sub>
+
+A simple text randomizer for ComfyUI that can generate random and surprising results.
+
+[[ PUT IMAGE HERE]] 
+
+## Custom nodes
+<sub>[About](#comfyui-text-randomizer-100) | [Custom nodes](#custom-nodes) | [Workflows](#workflows) | [Tips](#tips)</sub>
+
+- ### Text randomizer
+   The Text Randomizer node randomizes text placed between brackets. Options should be separated by `|`, and any text outside the brackets remains unchanged.
+
+   **Example:** 
+   Input text: `[man|girl], sitting on a [bench|grass]`.
+   Possible outcomes:
+   - man, sitting on a bench
+   - girl, sitting on a bench
+   - man, sitting on a grass
+   - girl, sitting on a grass
+
+   **Note:** You can nest brackets to create more varied outcomes.
+
+- ### Text randomizer with check
+   Similar to `Text Randomizer`, but it displays a warning if brackets or parentheses are mismatched. This check happens in real time, so you don’t need to run the workflow to see the errors.
+
+   **Note:** The check works separately for brackets and parentheses. For example, input like `[ ( ] )` will pass the check.
+
+- ### Get one text or another at random
+   Returns one of two text options at random.
+
+- ### Concatenate text
+   Joins two pieces of text, adding `, ` between them.
+
+- ### Show text
+   Displays the final text you’ve generated. This is useful for debugging your prompts and checking what is fed into the TextEncoder.
+
+## Workflows
+<sub>[About](#comfyui-text-randomizer-100) | [Custom nodes](#custom-nodes) | [Workflows](#workflows) | [Tips](#tips)</sub>
+
+You can find example workflows in the `/workflows` folder.
+
+### workflow.json
+Demonstrates how to achieve similar text outputs in different ways, either by grouping separate topics and concatenating texts or putting everything into one node.
+
+[[ PUT IMAGE HERE]] 
+
+### workflow2.json
+Shows how to randomize two text nodes and return text from either one node or another.
+
+[[ PUT IMAGE HERE]] 
+
+## Tips
+<sub>[About](#comfyui-text-randomizer-100) | [Custom nodes](#custom-nodes) | [Workflows](#workflows) | [Tips](#tips)</sub>
+
+- You can use `Text Randomizer with Check` as a simple tool to check brackets without connecting it to anything. Just paste your text inside to see if your brackets or parentheses match.
+
+- By adding `|` at the end of the expression, you can create an empty option. For example (spaces added for clarity): `[ apple | banana | grapefruit | orange | ]` gives an equal chance to select "apple," "banana," "grapefruit," "orange," or nothing. \
+\
+   Other examples:
+
+   - [apple|] gives a 50% chance of getting "apple" and 50% chance of getting nothing.
+   - [apple||] gives a 33.3% chance of getting "apple" and a 66.6% chance of getting nothing.
+
+

__init__.py

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+from .nodes import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+WEB_DIRECTORY = './ui/'
+
+__all__ = ['NODE_CLASS_MAPPINGS', 'NODE_DISPLAY_NAME_MAPPINGS', 'WEB_DIRECTORY']

nodes.py

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+import re
+import random
+
+CATEGORY_NAME = "randomizer"
+
+class RandomizeText:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "text": ("STRING", {"multiline": True}), 
+                "seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
+            }
+        }
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("text",)
+    FUNCTION = "randomize"
+
+    CATEGORY = CATEGORY_NAME
+
+    def randomize(self, text, seed, **kwargs):
+        random.seed(seed)   
+
+        while '[' in text:
+            text = re.sub(r'\[([^\[\]]+)\]', lambda x: random.choice(x.group(1).split('|')), text)
+
+        return (text,)
+
+
+# ===========================================================================
+class RandomizeTextWithCheck(RandomizeText):
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "text": ("STRING", {"multiline": True}), 
+                "seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
+            },
+            "optional": {
+                "info_text": ("STRING", {"multiline": True}), 
+            } 
+        }
+
+# ===========================================================================
+class ConcatText:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "text1": ("STRING", {"multiline": True, "forceInput": True}), 
+                "text2": ("STRING", {"multiline": True, "forceInput": True}), 
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("text",)
+    FUNCTION = "concat"
+
+    CATEGORY = CATEGORY_NAME
+
+    def concat(self, text1, text2):
+      return (text1 +  ", " + text2,)
+
+
+# ===========================================================================
+class RandomTextChoice:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "text1": ("STRING", {"multiline": True, "forceInput": True}), 
+                "text2": ("STRING", {"multiline": True, "forceInput": True}), 
+                "seed": ("INT", {"default": 0, "min": 0, "max": 0xffffffffffffffff}),
+            }
+        }
+
+    RETURN_TYPES = ("STRING",)
+    RETURN_NAMES = ("text",)
+    FUNCTION = "choice"
+
+    CATEGORY = CATEGORY_NAME
+
+    def choice(self, text1, text2, seed):
+        random.seed(seed)
+        text = random.choice([text1, text2]) 
+        return (text,)
+
+
+# ===========================================================================
+class ShowText:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "text": ("STRING", {"forceInput": True, "dynamicPrompts": True}), 
+            },
+            "optional": {
+                "preview": ("STRING", {"multiline": True }), 
+            } 
+        }
+    
+    RETURN_TYPES = ()
+    FUNCTION = "showText"
+    OUTPUT_NODE = True
+    CATEGORY = CATEGORY_NAME
+
+    def showText(self, text, **kwargs):
+      return {"ui": {"text": text}}
+
+
+NODE_CLASS_MAPPINGS = {
+  "RandomizeText": RandomizeText,
+  "RandomizeTextWithCheck": RandomizeTextWithCheck,
+  "RandomTextChoice": RandomTextChoice,
+  "ConcatText": ConcatText,
+  "ShowText": ShowText,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+  "RandomizeText": "Text randomizer",
+  "RandomizeTextWithCheck": "Text randomizer with check",
+  "RandomTextChoice": "Get one text or another at random",
+  "ConcatText": "Concatenate text",
+  "ShowText": "Show text",
+}

pyproject.toml

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+[project]
+name = "comfyui-text-randomizer"
+description = "A simple text randomizer for ComfyUI that can generate random and surprising results"
+version = 1.0.0"
+license = { file = "LICENSE" }
+dependencies = []
+
+[project.urls]
+Repository = "https://github.com/nosiu/comfyui-text-randomizer"
+
+[tool.comfy]
+PublisherId = "nosiu"
+DisplayName = "comfyui-text-randomizer"
+Icon = ""

ui/extension.js

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+import { app } from "../../scripts/app.js";
+
+
+function checkBrackets(value, domWidget) {
+  const input = value
+  const resultMessage = domWidget.element
+  const brackets = []
+  const parentheses = []
+
+  const unmatchedClosingBrackets = []
+  const unmatchedClosingParentheses = []
+
+  for (let i = 0; i < input.length; i++) {
+    const char = input[i]
+
+    if (char === '[') {
+      brackets.push(i)
+    }
+
+    if (char === ']') {
+      if (brackets.length === 0) {
+        unmatchedClosingBrackets.push(i)
+      } else {
+        brackets.pop()
+      }
+    }
+
+    if (char === '(') {
+      parentheses.push(i)
+    }
+
+    if (char === ')') {
+      if (parentheses.length === 0) {
+        unmatchedClosingParentheses.push(i)
+      } else {
+        parentheses.pop()
+      }
+    }
+  }
+
+  let message = ""
+  let hasErrors = false
+
+  if (brackets.length > 0) {
+    message += `Unmatched opening bracket at: ${brackets.map(p => p + 1).join(', ')}. `
+    hasErrors = true
+  }
+
+  if (unmatchedClosingBrackets.length > 0) {
+    message += `Unmatched closing bracket at: ${unmatchedClosingBrackets.map(p => p + 1).join(', ')}. `
+    hasErrors = true
+  }
+
+  if (parentheses.length > 0) {
+    message += `Unmatched opening parenthesis at: ${parentheses.map(p => p + 1).join(', ')}. `
+    hasErrors = true
+  }
+
+  if (unmatchedClosingParentheses.length > 0) {
+    message += `Unmatched closing parenthesis at: ${unmatchedClosingParentheses.map(p => p + 1).join(', ')}. `
+    hasErrors = true
+  }
+
+  if (!hasErrors) {
+    message = "All brackets and parentheses are properly matched!"
+    resultMessage.style.color = "green"
+  } else {
+    resultMessage.style.color = "red"
+  }
+
+  resultMessage.value = message
+  domWidget.value = message
+}
+
+
+
+app.registerExtension({
+  name: "ComfyUI.text-randomizer-01",
+  async beforeRegisterNodeDef(nodeType) {
+    // ===================================
+    // SHOW TEXT
+    // ===================================
+    if (nodeType?.comfyClass == "ShowText") {
+      const onExecuted = nodeType.prototype.onExecuted
+      nodeType.prototype.onExecuted = function (message) {
+          const r = onExecuted?.apply(this, arguments)
+          const text = message.text.join("") 
+          if (text) {
+            const previewWidget = this.widgets.find(w => w.name === "preview")
+            previewWidget.value = text
+          }
+          return r
+      }
+
+      const onNodeCreated = nodeType.prototype.onNodeCreated
+      nodeType.prototype.onNodeCreated = function () {
+        const r = onNodeCreated ? onNodeCreated.apply(this, arguments) : undefined
+        const previewWidget = this.widgets.find(w => w.name === "preview")
+        if (previewWidget) {
+          previewWidget.element.readOnly = true
+        }
+        return r
+      }
+
+      const onConnectionsChange = nodeType.prototype.onConnectionsChange;
+      nodeType.prototype.onConnectionsChange = function (side, slot, connect, link_info, output) {
+        const r = onConnectionsChange?.apply(this, arguments);
+        if (output.name === "text") {
+          const previewWidget = this.widgets.find(w => w.name === "preview")
+          if (previewWidget) {
+            previewWidget.value = ""
+          }
+        }
+        return r
+      }
+    }
+
+
+    // ===================================
+    // RANDOMIZE TEXT
+    // ===================================
+    if (nodeType?.comfyClass == "RandomizeTextWithCheck") {
+      const onNodeCreated = nodeType.prototype.onNodeCreated;
+      nodeType.prototype.onNodeCreated = function () {
+        const r = onNodeCreated ? onNodeCreated.apply(this, arguments) : undefined
+        const textwWidget = this.widgets.find(w => w.name === "text")
+        const infoTextWidget = this.widgets.find(w => w.name === "info_text")
+        infoTextWidget.element.readOnly = true
+        infoTextWidget.value = ""
+
+        if (textwWidget) {
+          const callback = textwWidget.element.onkeyup
+          textwWidget.element.onkeyup = (e) => {
+            checkBrackets(textwWidget.value, infoTextWidget)
+            if (callback) callback(e)
+          }
+        }
+        return r
+      }
+
+      const onGraphConfigured = nodeType.prototype.onGraphConfigured;
+      nodeType.prototype.onGraphConfigured = function () {
+        const r = onGraphConfigured?.apply(this, arguments)
+        const textwWidget = this.widgets.find(w => w.name === "text")
+        if (textwWidget) {
+          checkBrackets(textwWidget.value, this.widgets.find(w => w.name === "info_text"))
+        }
+        return r
+      }
+    }
+  }
+})