Add watchfiles

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What is this Python project?

watchfiles is a simple, modern, and high-performance file watching and code reload library for Python. Its key features include:

• Efficient file system notifications using the Rust-based Notify library
• Both synchronous and asynchronous APIs (watch, awatch, run_process, arun_process)
• Ability to monitor multiple files and directories simultaneously
• Customizable filters for detecting specific changes
• Command-line interface (CLI) for running and reloading Python code
• Used by uvicorn for its hot reload feature, enhancing development workflows

What's the difference between this Python project and similar ones?

watchfiles stands out from other file monitoring libraries(ex: watchdog) in several ways:

• Performance
  • Rust-based implementation offers superior speed and efficiency
• Cross-platform compatibility
  • Optimized for Linux, macOS, and Windows
• API simplicity
  • Intuitive and easy-to-use interface
• Asynchronous support
  • Seamless integration with asyncio
• Customizability
  • Flexible filtering options for monitoring specific file types or changes
• Active development
  • Ongoing improvements and bug fixes
• Comprehensive documentation
  • https://watchfiles.helpmanual.io/
• Integration with popular tools
  • Powers uvicorn's hot reload functionality
• Modern design
  • Built to address contemporary Python development needs
• Efficient resource usage
  • Implements debouncing to group changes and reduce unnecessary reloads

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