Merge pull request faif#183 from elecay/master

Simpler and faster prototype

Author: faif

creational/prototype.py

@@ -1,16 +1,15 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-import copy
-
 
 class Prototype(object):
 
     value = 'default'
 
     def clone(self, **attrs):
         """Clone a prototype and update inner attributes dictionary"""
-        obj = copy.deepcopy(self)
+        # Python in Practice, Mark Summerfield
+        obj = self.__class__()
         obj.__dict__.update(attrs)
         return obj