Tornado [https://www.tornadoweb.org] is a Python web framework and asynchronous networking library, originally developed at FriendFeed [https://en.wikipedia.org/wiki/FriendFeed]. By using non-blocking non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling [https://en.wikipedia.org/wiki/Push_technology#Long_polling], WebSockets [https://en.wikipedia [https://pypi.python.org/pypi/tornado], release notes) Source (GitHub) [https://github.com/tornadoweb/tornado] Mailing lists: discussion [https://groups.google.com/forum/#!forum/python-tornado] and announcements

Tornado Documentation Release 6.5.1 The Tornado Authors May 22, 2025CONTENTS 1 Quick links 3 2 Hello, world 5 3 Threads and WSGI 7 4 asyncio Integration 9 5 Installation 11 6 Documentation 13 Documentation, Release 6.5.1 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands WebSockets, and other applications that require a long-lived connection to each user. CONTENTS 1Tornado Documentation, Release 6.5.1 2 CONTENTSCHAPTER ONE QUICK LINKS • Current version: 6.5.1 (download