http://code.activestate.com/recipes/tags/hierarchy/popular/2010-10-11T23:32:31-07:00ActiveState Code Recipes2010-10-11T23:32:31-07:00Aaron Sterlinghttp://code.activestate.com/recipes/users/4174675/http://code.activestate.com/recipes/577424-immutable-type-hierarchies/

<p style="color: grey"> Python recipe 577424 by <a href="/recipes/users/4174675/">Aaron Sterling</a> (<a href="/recipes/tags/abc/">abc</a>, <a href="/recipes/tags/hierarchy/">hierarchy</a>, <a href="/recipes/tags/immutable/">immutable</a>). Revision 4. </p> <p>Allows for type hierarchies of immutable types by faking inheritance using dict updates and abc's.</p>