prototype

Author: dark-noob830

creational/prototype.py

@@ -0,0 +1,37 @@
+import copy
+
+
+class Prototype:
+    def __init__(self):
+        self._objects = {}
+
+    def register(self, name, obj):
+        self._objects[name] = obj
+
+    def unregister(self, name):
+        del self._objects[name]
+
+    def clone(self, name, **kwargs):
+        clone_obj = copy.deepcopy(self._objects.get(name))
+        clone_obj.__dict__.update(kwargs)
+        return clone_obj
+
+
+def client_prototype(name, obj, **kwargs):
+    prototype = Prototype()
+    prototype.register(name, obj)
+    return prototype.clone(name, **kwargs)
+
+
+# example #
+
+class Person:
+    def __init__(self, name, age):
+        self.name = name
+        self.age = age
+
+
+p = Person('mahdi', 20)
+p_clone = client_prototype('p', p, age=10)
+print(p.__dict__)
+print(p_clone.__dict__)