http://code.activestate.com/recipes/tags/instance-immutable/2013-02-28T04:14:08-08:00ActiveState Code Recipes2013-02-10T16:22:33-08:00Esteban Castro Borsanihttp://code.activestate.com/recipes/users/4184010/http://code.activestate.com/recipes/578453-python-single-instance-cross-platform/

<p style="color: grey"> Python recipe 578453 by <a href="/recipes/users/4184010/">Esteban Castro Borsani</a> (<a href="/recipes/tags/application/">application</a>, <a href="/recipes/tags/instance/">instance</a>, <a href="/recipes/tags/python/">python</a>, <a href="/recipes/tags/single/">single</a>, <a href="/recipes/tags/singleton/">singleton</a>). </p> <p>Yet another way to get a single instance application. This recipe uses file locking only.</p>

2013-02-28T04:14:08-08:00Deepakhttp://code.activestate.com/recipes/users/4183429/http://code.activestate.com/recipes/578476-python-single-instance-cross-platform/

<p style="color: grey"> Python recipe 578476 by <a href="/recipes/users/4183429/">Deepak</a> (<a href="/recipes/tags/application/">application</a>, <a href="/recipes/tags/instance/">instance</a>, <a href="/recipes/tags/python/">python</a>, <a href="/recipes/tags/single/">single</a>, <a href="/recipes/tags/singleton/">singleton</a>). </p> <p>Yet another way to get a single instance application. This recipe uses file locking only.</p>

2012-07-26T18:09:30-07:00Jonathan Frerehttp://code.activestate.com/recipes/users/4182985/http://code.activestate.com/recipes/578226-all-iter-is-instance-of-classtypetuple/

<p style="color: grey"> Python recipe 578226 by <a href="/recipes/users/4182985/">Jonathan Frere</a> (<a href="/recipes/tags/function/">function</a>, <a href="/recipes/tags/instance/">instance</a>, <a href="/recipes/tags/isinstance/">isinstance</a>). Revision 2. </p> <p>So it turned out that I needed a way of ensuring that all members of an iterable are instances of a certain class. Here, therefore, is the <code>isallinstance()</code> function.</p>

2010-02-22T06:04:16-08:00Daniel Cohnhttp://code.activestate.com/recipes/users/4172918/http://code.activestate.com/recipes/577026-design-pattern-inherit-from-an-instance/

<p style="color: grey"> Python recipe 577026 by <a href="/recipes/users/4172918/">Daniel Cohn</a> (<a href="/recipes/tags/design_pattern/">design_pattern</a>, <a href="/recipes/tags/factory_class/">factory_class</a>, <a href="/recipes/tags/inheritance/">inheritance</a>, <a href="/recipes/tags/instance/">instance</a>). Revision 4. </p> <p>Take an instance (call it foo) and create a factory class (call it InstanceFactory) that produces foo's. Then inherit from InstanceFactory.</p>