Replacing providers overriding documentation examples with literalincludes

docs/providers/overriding.rst

@@ -38,44 +38,8 @@ Example:
     :width: 80%
     :align: center
 
-.. code-block:: python
-
-    """Simple providers overriding example."""
-
-    from objects.providers import Factory
-
-
-    class User(object):
-
-        """Example class User."""
-
-    # Users factory:
-    users_factory = Factory(User)
-
-    # Creating several User objects:
-    user1 = users_factory()
-    user2 = users_factory()
-
-    # Making some asserts:
-    assert user1 is not user2
-    assert isinstance(user1, User) and isinstance(user2, User)
-
-
-    # Extending User:
-    class SuperUser(User):
-
-        """Example class SuperUser."""
-
-    # Overriding users factory:
-    users_factory.override(Factory(SuperUser))
-
-    # Creating some more User objects using overridden users factory:
-    user3 = users_factory()
-    user4 = users_factory()
-
-    # Making some asserts:
-    assert user4 is not user3
-    assert isinstance(user3, SuperUser) and isinstance(user4, SuperUser)
+.. literalinclude:: ../../examples/providers/overriding_simple.py
+   :language: python
 
 Example:
 
@@ -83,104 +47,5 @@ Example:
     :width: 100%
     :align: center
 
-.. code-block:: python
-
-    """Overriding user's model example."""
-
-    from objects.providers import Factory
-    from objects.injections import KwArg
-
-
-    class User(object):
-
-        """Example class User."""
-
-        def __init__(self, id, password):
-            """Initializer."""
-            self.id = id
-            self.password = password
-            super(User, self).__init__()
-
-
-    class UserService(object):
-
-        """Example class UserService."""
-
-        def __init__(self, user_cls):
-            """Initializer."""
-            self.user_cls = user_cls
-            super(UserService, self).__init__()
-
-        def get_by_id(self, id):
-            """Find user by his id and return user model."""
-            return self.user_cls(id=id, password='secret' + str(id))
-
-    # Users factory and UserService provider:
-    users_service = Factory(UserService,
-                            KwArg('user_cls', User))
-
-    # Getting several users and making some asserts:
-    user1 = users_service().get_by_id(1)
-    user2 = users_service().get_by_id(2)
-
-    assert isinstance(user1, User)
-    assert user1.id == 1
-    assert user1.password == 'secret1'
-
-    assert isinstance(user2, User)
-    assert user2.id == 2
-    assert user2.password == 'secret2'
-
-    assert user1 is not user2
-
-    # Extending user model and user service for adding custom attributes without
-    # making any changes to client's code.
-
-
-    class ExtendedUser(User):
-
-        """Example class ExtendedUser."""
-
-        def __init__(self, id, password, first_name=None, last_name=None,
-                     gender=None):
-            """Initializer."""
-            self.first_name = first_name
-            self.last_name = last_name
-            self.gender = gender
-            super(ExtendedUser, self).__init__(id, password)
-
-
-    class ExtendedUserService(UserService):
-
-        """Example class ExtendedUserService."""
-
-        def get_by_id(self, id):
-            """Find user by his id and return user model."""
-            user = super(ExtendedUserService, self).get_by_id(id)
-            user.first_name = 'John' + str(id)
-            user.last_name = 'Smith' + str(id)
-            user.gender = 'male'
-            return user
-
-    # Overriding users_service provider:
-    extended_users_service = Factory(ExtendedUserService,
-                                     KwArg('user_cls', ExtendedUser))
-    users_service.override(extended_users_service)
-
-    # Getting few other users users and making some asserts:
-    user3 = users_service().get_by_id(3)
-    user4 = users_service().get_by_id(4)
-
-    assert isinstance(user3, ExtendedUser)
-    assert user3.id == 3
-    assert user3.password == 'secret3'
-    assert user3.first_name == 'John3'
-    assert user3.last_name == 'Smith3'
-
-    assert isinstance(user4, ExtendedUser)
-    assert user4.id == 4
-    assert user4.password == 'secret4'
-    assert user4.first_name == 'John4'
-    assert user4.last_name == 'Smith4'
-
-    assert user3 is not user4
+.. literalinclude:: ../../examples/providers/overriding_users_model.py
+   :language: python