Twisted

An asynchronous networking framework written in Python

Project description

For information on changes in this release, see the NEWS file.

What is this?

Twisted is an event-based framework for internet applications, supporting Python 2.7 and Python 3.5+. It includes modules for many different purposes, including the following:

twisted.web: HTTP clients and servers, HTML templating, and a WSGI server
twisted.conch: SSHv2 and Telnet clients and servers and terminal emulators
twisted.words: Clients and servers for IRC, XMPP, and other IM protocols
twisted.mail: IMAPv4, POP3, SMTP clients and servers
twisted.positioning: Tools for communicating with NMEA-compatible GPS receivers
twisted.names: DNS client and tools for making your own DNS servers
twisted.trial: A unit testing framework that integrates well with Twisted-based code.

Twisted supports all major system event loops – select (all platforms), poll (most POSIX platforms), epoll (Linux), kqueue (FreeBSD, macOS), IOCP (Windows), and various GUI event loops (GTK+2/3, Qt, wxWidgets). Third-party reactors can plug into Twisted, and provide support for additional event loops.

Installing

To install the latest version of Twisted using pip:

$ pip install twisted

Additional instructions for installing this software are in the installation instructions.

Documentation and Support

Twisted’s documentation is available from the Twisted Matrix website. This documentation contains how-tos, code examples, and an API reference.

Help is also available on the Twisted mailing list.

There is also a pair of very lively IRC channels, #twisted (for general Twisted questions) and #twisted.web (for Twisted Web), on chat.freenode.net.

Unit Tests

Twisted has a comprehensive test suite, which can be run by tox:

$ tox -l            # to view all test environments
$ tox -e py27-tests # to run the tests for Python 2.7
$ tox -e py35-tests # to run the tests for Python 3.5

You can test running the test suite under the different reactors with the TWISTED_REACTOR environment variable:

$ env TWISTED_REACTOR=epoll tox -e py27-tests

Some of these tests may fail if you:

don’t have the dependencies required for a particular subsystem installed,
have a firewall blocking some ports (or things like Multicast, which Linux NAT has shown itself to do), or
run them as root.

Copyright

Twisted is made available under the MIT license. The included LICENSE file describes this in detail.

Warranty

THIS SOFTWARE IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE USE OF THIS SOFTWARE IS WITH YOU.

IN NO EVENT WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE LIBRARY, BE LIABLE TO YOU FOR ANY DAMAGES, EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Again, see the included LICENSE file for specific legal details.

Project details

Release history Release notifications | RSS feed

This version

20.3.0

Mar 20, 2020

20.3.0rc1 pre-release

Mar 8, 2020

19.10.0

Nov 11, 2019

19.10.0rc1 pre-release

Oct 14, 2019

19.7.0

Aug 6, 2019

19.7.0rc1 pre-release

Jul 21, 2019

19.2.1

Jun 6, 2019

19.2.0

Apr 10, 2019

19.2.0rc2 pre-release

Mar 27, 2019

19.2.0rc1 pre-release

Feb 24, 2019

18.9.0

Oct 15, 2018

18.9.0rc1 pre-release

Sep 26, 2018

18.7.0

Jul 13, 2018

18.7.0rc2 pre-release

Jul 5, 2018

18.7.0rc1 pre-release

Jul 1, 2018

18.4.0

Apr 29, 2018

18.4.0rc1 pre-release

Mar 31, 2018

17.9.0

Sep 23, 2017

17.9.0rc1 pre-release

Sep 4, 2017

17.5.0

Jun 11, 2017

17.1.0

Feb 11, 2017

17.1.0rc1 pre-release

Jan 28, 2017

16.7.0rc2 pre-release

Jan 12, 2017

16.7.0rc1 pre-release

Dec 23, 2016

16.6.0

Nov 25, 2016

16.6.0rc1 pre-release

Nov 10, 2016

16.5.0

Oct 29, 2016

16.5.0rc2 pre-release

Oct 23, 2016

16.5.0rc1 pre-release

Oct 10, 2016

16.4.1

Sep 14, 2016

16.4.0

Aug 28, 2016

16.3.2

Aug 19, 2016

16.3.1

Aug 16, 2016

16.3.0

Jul 6, 2016

16.2.0

May 18, 2016

16.1.1

Apr 11, 2016

16.1.0

Apr 4, 2016

16.0.0

Mar 15, 2016

15.5.0

Nov 29, 2015

15.4.0

Sep 4, 2015

15.3.0

Aug 4, 2015

15.2.1

May 24, 2015

15.2.0

May 19, 2015

15.1.0

Apr 13, 2015

15.0.0

Jan 30, 2015

14.0.2

Sep 18, 2014

14.0.1

Sep 17, 2014

14.0.0

May 12, 2014

13.2.0

Nov 8, 2013

13.1.0

Jun 30, 2013

13.0.0

Apr 3, 2013

12.3.0

Dec 26, 2012

12.2.0

Sep 1, 2012

12.1.0

Jun 5, 2012

12.0.0

Feb 11, 2012

11.1.0

Nov 17, 2011

11.0.0

Apr 3, 2011

10.2.0

Nov 30, 2010

10.1.0

Jul 4, 2010

10.0.0

Mar 4, 2010

9.0.0

Nov 26, 2009

8.2.0

Jan 6, 2009

8.1.0

May 18, 2008

8.0.1

Mar 27, 2008

8.0.0

Mar 27, 2008

2.5.0

Jan 11, 2007

2.4.0

May 30, 2006

2.1.0

Oct 10, 2005

1.2.0

Feb 26, 2004

1.1.1

Dec 10, 2003

1.1.0

Oct 27, 2003

1.0.7

Sep 16, 2003

1.0.6

Jul 27, 2003

1.0.5

May 9, 2003

1.0.4

Apr 21, 2003

1.0.3

Mar 2, 2003

1.0.1

Jan 17, 2003

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