Update provider overriding docs

docs/providers/overriding.rst

@@ -1,6 +1,8 @@
 Overriding of providers
 -----------------------
 
+.. module:: dependency_injector.providers
+
 Every provider could be overridden by another provider.
 
 This gives opportunity to make system behaviour more flexible in some points.
@@ -15,22 +17,22 @@ Provider overriding functionality has such interface:
     :width: 45%
     :align: center
 
-+ ``di.Provider.override()`` - takes another provider that will be used 
++ :py:meth:`Provider.override()` - takes another provider that will be used 
   instead of current provider. This method could be called several times. 
   In such case, last passed provider would be used as overriding one.
-+ ``di.Provider.reset_override()`` - resets all overriding providers. Provider 
-  starts to behave itself like usual.
-+ ``di.Provider.is_overridden`` - bool, ``True`` if provider is overridden.
++ :py:meth:`Provider.reset_override()` - resets all overriding providers. 
+  Provider starts to behave itself like usual.
++ :py:attr:`Provider.is_overridden` - bool, ``True`` if provider is overridden.
 
 .. note::
 
    Actually, initial provider forms stack from overriding providers. There is 
    some, not so common, but still usefull, functionality that could be used:
 
-   + ``di.Provider.last_overriding`` - always keeps reference to last 
+   + :py:attr:`Provider.last_overriding` - always keeps reference to last 
      overriding provider.
-   + ``di.Provider.reset_last_overriding()`` - remove last overriding provider 
-     from stack of overriding providers.
+   + :py:meth:`Provider.reset_last_overriding()` - remove last overriding 
+     provider from stack of overriding providers.
 
 Example:
 

examples/providers/overriding_simple.py

@@ -1,13 +1,13 @@
 """Simple providers overriding example."""
 
-import dependency_injector as di
+from dependency_injector import providers
 
 
 class User(object):
     """Example class User."""
 
 # Users factory:
-users_factory = di.Factory(User)
+users_factory = providers.Factory(User)
 
 # Creating several User objects:
 user1 = users_factory()
@@ -23,7 +23,7 @@ class SuperUser(User):
     """Example class SuperUser."""
 
 # Overriding users factory:
-users_factory.override(di.Factory(SuperUser))
+users_factory.override(providers.Factory(SuperUser))
 
 # Creating some more User objects using overridden users factory:
 user3 = users_factory()

examples/providers/overriding_users_model.py

@@ -1,6 +1,6 @@
 """Overriding user's model example."""
 
-import dependency_injector as di
+from dependency_injector import providers
 
 
 class User(object):
@@ -26,8 +26,7 @@ class UserService(object):
         return self.user_cls(id=id, password='secret' + str(id))
 
 # Users factory and UserService provider:
-users_service = di.Factory(UserService,
-                           user_cls=User)
+users_service = providers.Factory(UserService, user_cls=User)
 
 # Getting several users and making some asserts:
 user1 = users_service().get_by_id(1)
@@ -71,7 +70,7 @@ class ExtendedUserService(UserService):
         return user
 
 # Overriding users_service provider:
-extended_users_service = di.Factory(ExtendedUserService,
+extended_users_service = providers.Factory(ExtendedUserService,
                                            user_cls=ExtendedUser)
 users_service.override(extended_users_service)