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Custom node authors can now ship a `node_replacements.json` in their repo root to define replacements declaratively. During node loading, ComfyUI reads these files and registers entries via the existing NodeReplaceManager — no Python registration code needed. This enables two use cases: 1. Authors deprecate/rename nodes with a migration path for old workflows 2. Authors offer their nodes as drop-in replacements for other packs
Automated Testing
Running tests locally
Additional requirements for running tests:
pip install pytest
pip install websocket-client==1.6.1
opencv-python==4.6.0.66
scikit-image==0.21.0
Run inference tests:
pytest tests/inference
Quality regression test
Compares images in 2 directories to ensure they are the same
- Run an inference test to save a directory of "ground truth" images
pytest tests/inference --output_dir tests/inference/baseline
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Make code edits
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Run inference and quality comparison tests
pytest