Add prestartup script

[hjchen2]

Summary by CodeRabbit

• New Features
  • Introduced dynamic module importing from a specified directory for enhanced flexibility.
  • Added functionality to check for NPU availability and conditionally modify device management behavior.
• Bug Fixes
  • Implemented error handling for module imports to prevent execution interruptions.
• Refactor
  • Updated existing functions in the model management module to integrate with new NPU functionalities.

[coderabbitai[bot]]

Walkthrough

The changes introduce new functionalities in the onediff_comfy_nodes package, primarily through the addition of the prestartup_script.py, gcu.py, and npu.py files. The prestartup_script.py dynamically imports Python and shared object files from a specified directory, while gcu.py implements error handling for the import of the torch_gcu module. The npu.py file checks for NPU availability, conditionally imports components, and defines several patch functions to override existing functionalities in the comfy.model_management module.

Changes

File Path	Change Summary
onediff_comfy_nodes/prestartup_script.py	Introduced a script for dynamic importing of Python and shared object files from prestartup_scripts.
onediff_comfy_nodes/prestartup_scripts/gcu.py	Added a try-except block to handle import errors for torch_gcu gracefully.
onediff_comfy_nodes/prestartup_scripts/npu.py	Added functionality to check NPU availability, import related components, and define patch functions. Functions added and signatures updated for comfy.model_management.

Poem

In the burrow where code does play,
New scripts hop in, brightening the day.
With patches and imports, oh what a sight,
NPU and GCU, ready for flight!
So let’s code and create, with joy we’ll embrace,
A world of new features, in our cozy space! 🐇✨

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