Prototype Patterns

Author: MilovanTomasevic

src/1_patterns/2_CreationalPatterns/3_Prototype/1_prototype.py

@@ -0,0 +1,29 @@
+import copy
+
+
+class Address:
+    def __init__(self, street_address, city, country):
+        self.country = country
+        self.city = city
+        self.street_address = street_address
+
+    def __str__(self):
+        return f'{self.street_address}, {self.city}, {self.country}'
+
+
+class Person:
+    def __init__(self, name, address):
+        self.name = name
+        self.address = address
+
+    def __str__(self):
+        return f'{self.name} lives at {self.address}'
+
+
+john = Person("John", Address("123 London Road", "London", "UK"))
+print(john)
+# jane = john
+jane = copy.deepcopy(john)
+jane.name = "Jane"
+jane.address.street_address = "124 London Road"
+print(john, jane)

src/1_patterns/2_CreationalPatterns/3_Prototype/2_prototype_factory.py

@@ -0,0 +1,58 @@
+import copy
+
+
+class Address:
+    def __init__(self, street_address, suite, city):
+        self.suite = suite
+        self.city = city
+        self.street_address = street_address
+
+    def __str__(self):
+        return f'{self.street_address}, Suite #{self.suite}, {self.city}'
+
+class Employee:
+    def __init__(self, name, address):
+        self.address = address
+        self.name = name
+
+    def __str__(self):
+        return f'{self.name} works at {self.address}'
+
+
+class EmployeeFactory:
+    main_office_employee = Employee("", Address("123 East Dr", 0, "London"))
+    aux_office_employee = Employee("", Address("123B East Dr", 0, "London"))
+
+    @staticmethod
+    def __new_employee(proto, name, suite):
+        result = copy.deepcopy(proto)
+        result.name = name
+        result.address.suite = suite
+        return result
+
+    @staticmethod
+    def new_main_office_employee(name, suite):
+        return EmployeeFactory.__new_employee(
+            EmployeeFactory.main_office_employee,
+            name, suite
+        )
+
+    @staticmethod
+    def new_aux_office_employee(name, suite):
+        return EmployeeFactory.__new_employee(
+            EmployeeFactory.aux_office_employee,
+            name, suite
+        )
+
+# main_office_employee = Employee("", Address("123 East Dr", 0, "London"))
+# aux_office_employee = Employee("", Address("123B East Dr", 0, "London"))
+
+# john = copy.deepcopy(main_office_employee)
+#john.name = "John"
+#john.address.suite = 101
+#print(john)
+
+# would prefer to write just one line of code
+jane = EmployeeFactory.new_aux_office_employee("Jane", 200)
+print(jane)
+