[misc] Adding Generic Types for IDE

[sufubao]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @sufubao, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving the type hinting within the ModelRegistry system by incorporating a generic type variable. The primary goal is to enhance IDE support and static type checking capabilities for model registration decorators, leading to better code analysis and a more robust developer experience without introducing any changes to the runtime behavior of the application.

Highlights

• Generic Type Variable Introduction: A TypeVar named T has been introduced in lightllm/models/registry.py to define generic types, specifically bounded to Type.
• Enhanced Decorator Type Hinting: The ModelRegistry decorator's __call__ method and its nested decorator function now utilize the newly defined generic type T. This provides more precise type hints for the decorated model_class, improving static analysis and IDE support.

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[gemini-code-assist]

Code Review

This pull request aims to improve type hinting for the model registry decorator, which will enhance IDE support and static analysis. The changes introduce a TypeVar to correctly type the class decorator.

My review identifies a couple of areas for improvement. The main point is that the TypeVar is defined with bound=Type, which is incorrect for this use case and will cause issues with type checkers. I've suggested the correct way to define it. Additionally, for consistency, I've recommended translating a Chinese comment into English, as the rest of the file's comments are in English.