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c5e7b9cdaf
Adds opt-in process isolation for custom nodes using pyisolate's bwrap sandbox and JSON-RPC bridge. Each isolated node pack runs in its own child process with zero-copy tensor transfer via shared memory. Core infrastructure: - CLI flag --use-process-isolation to enable isolation - Host/child startup fencing via PYISOLATE_CHILD env var - Manifest-driven node discovery and extension loading - JSON-RPC bridge between host and child processes - Shared memory forensics for leak detection Proxy layer: - ModelPatcher, CLIP, VAE, and ModelSampling proxies - Host service proxies (folder_paths, model_management, progress, etc.) - Proxy base with automatic method forwarding Execution integration: - Extension wrapper with V3 hidden param mapping - Runtime helpers for isolated node execution - Host policy for node isolation decisions - Fenced sampler device handling and model ejection parity Serializers for cross-process data transfer: - File3D (GLB), PLY (structured + gaussian), NPZ (streaming frames), VIDEO (VideoFromFile + VideoFromComponents) serializers - data_type flag in SerializerRegistry for type-aware dispatch - Isolated get_temp_directory() fence New core save nodes: - SavePLY and SaveNPZ with comfytype registrations (Ply, Npz) DynamicVRAM compatibility: - comfy-aimdo early init gated by isolation fence Tests: - Integration and policy tests for isolation lifecycle - Manifest loader, host policy, proxy, and adapter unit tests Depends on: pyisolate >= 0.9.2
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