pyee: Python Event Emitter Library

library 13.0.1 ·python

✓ verified Jun 28, 2026 ✓ install

pyee is a Python library that provides an EventEmitter implementation, heavily inspired by Node.js's EventEmitter. It supports synchronous, asynchronous (asyncio, Twisted, Trio), and threaded event handling. The library is currently in version 13.0.1 and maintains a regular release cadence with major updates roughly annually and patch releases in between.

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