Twisted includes an event-driven web server. Here's a sample web application; notice how the resource object persists in memory, rather than being recreated on each request:

This document is for readers new to Twisted who are familiar with the Python programming language and, at least conceptually, with core networking concepts such as servers, clients …

Twisted Web provides an abstraction of this browser-tracking behavior called the Session object . Calling request.getSession () checks to see if a session cookie has been set; if not, it creates a …

stdiodemo.py - example using stdio, Deferreds, LineReceiver and twisted.web.client. ptyserv.py - serve shells in pseudo-terminals over TCP courier.py - example of interfacing to Courier’s mail …

Jun 7, 2025 · The reactor is the core of the event loop within Twisted – the loop which drives applications using Twisted. The event loop is a programming construct that waits for and …

Along with connection to servers across the internet, Twisted also connects to local processes with much the same API. The API is described in more detail in the documentation of:

Jun 7, 2025 · Twisted Internet is a collection of compatible event-loops for Python. It contains the code to dispatch events to interested observers and a portable API so that observers need not …

The target audience of this document is a Twisted user who wants to deploy a significant amount of Twisted code in a re-usable, standard and easily configurable fashion.

Welcome to the Twisted documentation! Installing Twisted Hard dependencies Optional Dependencies Twisted Core Developer Guides Examples Specifications Twisted Conch (SSH …

Using TLS in Twisted requires that you have pyOpenSSL installed. A quick test to verify that you do is to run from OpenSSL import SSL at a python prompt and not get an error. Twisted …