watchfiles: A Lightweight, Efficient, and Cross-Platform File Monitoring Tool

watchfiles: Lightweight, fast & cross-platform Python file watcher. Supports async/sync, hot reloading & works on Linux/Mac/Windows.

"Top Python Libraries" Publication 400 Subscriptions 20% Discount Offer Link.

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Looking for a Lightweight, Efficient, Cross-Platform File Monitoring Tool for Your Python Projects?

Stop using outdated tools! With watchfiles, you can say goodbye to manual polling and complex dependencies in minutes.

Built on Rust's Notify library, it leverages system notifications to handle file changes. Previously known as watchgod, it's been renamed with enhanced functionality and supports Python 3.9–3.14.

What Pain Points Does It Solve?

1. Real-time Hot Reloading: Changes take effect immediately, eliminating the pain of manual restarts.

2. Strong Compatibility: Binary packages available for Linux/Mac/Windows, zero configuration required.

3. High Performance: Rust-based notifications are N times faster than pure Python polling.

4. Async/Sync Your Choice: Offers watch, awatch, and the run_process series for running processes.