Gevent vs Twisted: Which is better for Python networking?

What are the main differences between Gevent and Twisted?

Gevent is a coroutine-based networking library that uses greenlets for concurrency, while Twisted is an event-driven networking engine. Gevent is simpler and more Pythonic, while Twisted offers more features and flexibility.

Which one is easier to learn for beginners?

Gevent is generally considered easier for beginners due to its straightforward API and synchronous-like coding style. Twisted has a steeper learning curve because of its complex architecture.

Can you give me an example of a simple server using Gevent?

Sure! Here's a basic example:

from gevent import monkey
monkey.patch_all()

from gevent.pywsgi import WSGIServer

def simple_app(environ, start_response):
    status = '200 OK'
    headers = [('Content-Type', 'text/plain')]
    start_response(status, headers)
    return [b'Hello, World!']

http_server = WSGIServer(('', 8000), simple_app)
http_server.serve_forever()

What about performance? How do they compare?

In terms of performance, Gevent is often faster for I/O-bound tasks due to its lightweight greenlets. Twisted can handle more complex protocols and is better for applications requiring extensive networking features, but it may have more overhead.