http://code.activestate.com/recipes/tags/design-finder/2010-07-21T11:08:11-07:00ActiveState Code Recipes2010-07-21T11:08:11-07:00Alan Franzonihttp://code.activestate.com/recipes/users/4169882/http://code.activestate.com/recipes/577248-maybe-pattern/

<p style="color: grey"> Python recipe 577248 by <a href="/recipes/users/4169882/">Alan Franzoni</a> (<a href="/recipes/tags/design/">design</a>, <a href="/recipes/tags/maybe/">maybe</a>, <a href="/recipes/tags/pattern/">pattern</a>). Revision 2. </p> <p>An example Maybe pattern implementation for Python.</p>

2009-03-12T08:54:39-07:00Akira Forahttp://code.activestate.com/recipes/users/4114779/http://code.activestate.com/recipes/576687-maintenance-free-factory-design-pattern/

<p style="color: grey"> Python recipe 576687 by <a href="/recipes/users/4114779/">Akira Fora</a> (<a href="/recipes/tags/design/">design</a>, <a href="/recipes/tags/factory/">factory</a>, <a href="/recipes/tags/free/">free</a>, <a href="/recipes/tags/maintenance/">maintenance</a>, <a href="/recipes/tags/pattern/">pattern</a>). Revision 3. </p> <p>An implementation of the Factory design pattern that doesn't require maintenance when a new specialized subclass is added.</p>