http://code.activestate.com/recipes/tags/scheduler/views/2011-07-25T23:42:21-07:00ActiveState Code Recipes2010-12-07T22:52:10-08:00Eric Pruitthttp://code.activestate.com/recipes/users/4170757/http://code.activestate.com/recipes/577466-cron-like-triggers/

<p style="color: grey"> Python recipe 577466 by <a href="/recipes/users/4170757/">Eric Pruitt</a> (<a href="/recipes/tags/anacron/">anacron</a>, <a href="/recipes/tags/cron/">cron</a>, <a href="/recipes/tags/job/">job</a>, <a href="/recipes/tags/scheduler/">scheduler</a>, <a href="/recipes/tags/task/">task</a>). Revision 4. </p> <p>This module provides an easy to use interface for cron-like task scheduling. The latest version and its unit tests can be found at <a href="https://github.com/jameseric/cronex">github</a>.</p>

2011-07-25T23:42:21-07:00Giampaolo Rodolàhttp://code.activestate.com/recipes/users/4178764/http://code.activestate.com/recipes/577808-asyncore-scheduler/

<p style="color: grey"> Python recipe 577808 by <a href="/recipes/users/4178764/">Giampaolo Rodolà</a> (<a href="/recipes/tags/asynchronous/">asynchronous</a>, <a href="/recipes/tags/asyncore/">asyncore</a>, <a href="/recipes/tags/heapq/">heapq</a>, <a href="/recipes/tags/nonblocking/">nonblocking</a>, <a href="/recipes/tags/scheduler/">scheduler</a>, <a href="/recipes/tags/twisted/">twisted</a>). Revision 5. </p> <p>The thing I miss mostly in asyncore is a system for calling a function after a certain amount of time without blocking. This is crucial for simple tasks such as disconnecting a peer after a certain time of inactivity or more advanced use cases such as <a href="http://code.google.com/p/pyftpdlib/source/browse/tags/release-0.6.0/pyftpdlib/ftpserver.py#1048">bandwidth throttling</a>.</p> <p>This recipe was initially inspired by Twisted's internet.base.DelayedCall class:</p> <p><a href="http://twistedmatrix.com/trac/browser/tags/last_vfs_and_web2/twisted/internet/base.py#L34" rel="nofollow">http://twistedmatrix.com/trac/browser/tags/last_vfs_and_web2/twisted/internet/base.py#L34</a></p> <p>...then included into pyftpdlib:</p> <p><a href="http://code.google.com/p/pyftpdlib/issues/detail?id=72" rel="nofollow">http://code.google.com/p/pyftpdlib/issues/detail?id=72</a></p> <p>...and finally proposed for inclusion into asyncore:</p> <p><a href="http://bugs.python.org/issue1641" rel="nofollow">http://bugs.python.org/issue1641</a></p>