[Twisted-Python] ANN: Crochet 0.9.0 - Use Twisted Anywhere!

Itamar Turner-Trauring itamar at itamarst.org
Mon Oct 7 19:13:16 MDT 2013


Crochet is an MIT-licensed library that makes it easier for blocking or 
threaded applications like Flask or Django to use the Twisted networking 
framework. Crochet provides the following features:

  * Runs Twisted's reactor in a thread it manages.
  * The reactor shuts down automatically when the process' main thread
    finishes.
  * Hooks up Twisted's log system to the Python standard library logging
    framework. Unlike Twisted's built-in logging bridge, this includes
    support for blocking Handler instances.
  * A blocking API to eventual results (i.e. Deferred instances). This
    last feature can be used separately, so Crochet is also useful for
    normal Twisted applications that use threads.

You can download Crochet at: http://pypi.python.org/pypi/crochet

Documentation can be found at: http://crochet.readthedocs.org

Bugs and feature requests should be filed at the project page: 
https://github.com/itamarst/crochet

*What's New in 0.9.0*

New features:

  * Expanded and much improved documentation, including a new section
    with design suggestions.
  * New decorator @wait_for_reactor added, a simpler alternative to
    @run_in_reactor.
  * Refactored @run_in_reactor, making it a bit more responsive.
  * Blocking operations which would otherwise never finish due to
    reactor having stopped (EventualResult.wait() or @wait_for_reactor
    decorated call) will be interrupted with a ReactorStopped exception.

Bug fixes:

  * @run_in_reactor decorated functions (or rather, their generated
    wrapper) are interrupted by Ctrl-C.
  * On POSIX platforms, a workaround is installed to ensure processes
    started by reactor.spawnProcess have their exit noticed. See Twisted
    ticket 6378 <http://tm.tl/6738> for more details about the
    underlying issue.

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