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ComfyUI-Freepik - Phase 1 MVP Complete! ✅

📦 What's Been Built

Core Architecture

✅ API Client (api/client.py)

  • Full HTTP client with retry logic
  • Automatic error handling
  • Session management with exponential backoff
  • Support for both sync and async endpoints

✅ Task Manager (api/tasks.py)

  • Async task polling system
  • Progress tracking
  • Timeout management
  • Batch processing support (foundation)

✅ Image Utilities (utils/image_utils.py)

  • PIL ↔ Tensor conversions
  • Base64 encoding/decoding
  • Image preparation for API
  • Batch processing helpers

✅ Caching System (utils/cache.py)

  • Intelligent result caching
  • Prevents redundant API calls
  • Automatic cleanup of old entries
  • Cache statistics and management

Nodes Implemented

✅ 1. FreepikMystic - Text-to-Image Generation

  • Photorealistic image generation
  • 1K / 2K / 4K resolution support
  • LoRA integration for custom styles
  • Multiple aspect ratios
  • Seed control for reproducibility
  • Cost estimation before execution

✅ 2. FreepikUpscalerCreative - AI Upscaling with Enhancement

  • 2x, 4x, 8x, 16x upscaling
  • Prompt-guided enhancement
  • Creativity and detail control
  • Powered by Magnific.ai technology

✅ 3. FreepikUpscalerPrecision - Faithful Upscaling

  • No AI hallucinations
  • Perfect for logos, UI, product photos
  • Denoise and sharpen controls
  • High-fidelity preservation

✅ 4. FreepikRemoveBackground - Background Removal

  • Fast AI-powered removal
  • Returns image + alpha mask
  • Synchronous operation (instant results)

📂 Project Structure

ComfyUI-Freepik/
├── __init__.py              # Main node registration
├── README.md                # Full documentation
├── INSTALL.md               # Quick installation guide
├── requirements.txt         # Python dependencies
├── config.json              # Configuration file
├── test.py                  # Test suite
│
├── api/
│   ├── __init__.py
│   ├── client.py            # API HTTP client
│   └── tasks.py             # Async task manager
│
├── utils/
│   ├── __init__.py
│   ├── image_utils.py       # Image conversion utilities
│   └── cache.py             # Caching system
│
└── nodes/
    ├── generation/
    │   └── mystic_node.py   # Mystic text-to-image
    ├── editing/
    │   └── upscaler_nodes.py # Creative & Precision upscalers
    └── utilities/
        └── remove_bg_node.py # Background removal

🎯 Key Features

Smart Caching

  • Automatically caches results based on parameters
  • MD5 hash for unique identification
  • Configurable max age (default 30 days)
  • Cache statistics and management

Cost Management

  • Real-time cost estimation
  • Display before API execution
  • Transparent pricing based on operations
  • Track spending per workflow

Error Handling

  • Graceful error messages
  • Error placeholder images
  • Detailed logging for debugging
  • Automatic retry with backoff

Progress Tracking

  • Real-time status updates
  • Elapsed time display
  • Percentage progress (where applicable)
  • Cancel-safe operations

💰 Cost Estimates (from API docs)

Operation Cost per Use
Mystic 1K €0.05
Mystic 2K €0.10
Mystic 4K €0.20
Upscale 2x (640×480 → 1280×960) €0.10
Upscale 4x (640×480 → 2560×1920) €0.40
Upscale 8x (640×480 → 5120×3840) €1.60

🚀 Installation

  1. Copy folder to: ComfyUI/custom_nodes/ComfyUI-Freepik/
  2. Install requirements: pip install -r requirements.txt
  3. Restart ComfyUI
  4. Get API key: https://www.freepik.com/developers/dashboard
  5. Start creating!

📝 Usage Examples

Basic Text-to-Image

FreepikMystic → SaveImage

Upscale Workflow

LoadImage → FreepikUpscalerPrecision (4x) → SaveImage

Background Removal + Generation

LoadImage → FreepikRemoveBackground → [Processing] → SaveImage

Architectural Visualization Pipeline

FreepikMystic (2K, architectural render) → 
FreepikUpscalerCreative (4x, enhance details) → 
SaveImage

🔧 Technical Highlights

Robust API Client

  • Session pooling for performance
  • Automatic retry on network failures
  • Request timeout handling
  • Support for multipart uploads

Async Task Polling

  • Non-blocking task execution
  • Configurable polling intervals
  • Progress callbacks
  • Timeout protection

Tensor Conversions

  • Native ComfyUI format support
  • Batch processing ready
  • Memory efficient
  • Type safe conversions

📊 Testing

Run the test suite:

cd ComfyUI-Freepik
python test.py YOUR_API_KEY

Tests verify:

  • ✅ All imports working
  • ✅ Cache system functional
  • ✅ Image utilities working
  • ✅ Node structure correct
  • ✅ API connectivity (if key provided)

🗺️ Next Steps - Phase 2

Video Generation (Priority)

  • Kling v2.5 Pro node
  • Kling v2.1 Std node
  • PixVerse V5 node
  • Video preview system
  • Batch video processing

Additional Editing

  • Image Relight node
  • Style Transfer node
  • Image Expand (outpainting)
  • Image-to-Prompt utility

Advanced Features

  • LoRA training nodes
  • Webhook support
  • Batch queue manager
  • Credit tracker UI

🐛 Known Limitations

  1. Video not yet supported - Phase 2 priority
  2. No batch processing UI - Foundation exists
  3. No webhook handler - Optional feature
  4. Limited error recovery - Basic retry only

📚 Documentation

  • README.md - Complete documentation
  • INSTALL.md - Quick installation guide
  • config.json - Configuration reference
  • Inline comments - Code documentation

🎉 Achievement Unlocked!

✅ Fully functional ComfyUI-Freepik custom node ✅ 4 working nodes with API integration ✅ Smart caching system ✅ Cost estimation ✅ Error handling ✅ Comprehensive documentation ✅ Test suite ✅ Ready for production use

🤝 Credits

  • Developer: Felipe @ Pixelflakes
  • API: Freepik / Magnific.ai
  • Framework: ComfyUI
  • Inspiration: AvizStudio tools

Status: Phase 1 MVP Complete ✅ Next: Phase 2 - Video Generation Timeline: 2-3 days for video nodes

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