renamed package.

pypat/creational/prototype.py

@@ -0,0 +1,25 @@
+from copy import deepcopy
+from types import MethodType
+
+
+class Prototype(object):
+    """
+    Prototype design pattern abstract class.
+
+    External Prototype Pattern documentation: U{https://en.wikipedia.org/wiki/Prototype_pattern}
+    """
+    def prototype(self, **attributes):
+        """
+        Copy the prototype this object and optionally update attributes.
+
+        @param attributes: Keyword arguments of any attributes you wish to update.
+        @return: A copy of this object with the updated attributes.
+        """
+        obj = deepcopy(self)
+        for attribute in attributes:
+            if callable(attributes[attribute]):
+                setattr(obj, attribute, MethodType(attributes[attribute], obj))
+            else:
+                setattr(obj, attribute, attributes[attribute])
+
+        return obj