Update some examples

README.rst

@@ -70,58 +70,62 @@ Examples
     import dependency_injector as di
 
 
-    class ObjectA(object):
-        """Example class ObjectA, that has dependency on database."""
+    class UsersService(object):
+        """Users service, that has dependency on database."""
 
         def __init__(self, db):
             """Initializer."""
             self.db = db
 
 
-    class ObjectB(object):
-        """Example class ObjectB, that has dependencies on ObjectA and database."""
+    class AuthService(object):
+        """Auth service, that has dependencies on users service and database."""
 
-        def __init__(self, a, db):
+        def __init__(self, db, users_service):
             """Initializer."""
-            self.a = a
             self.db = db
+            self.users_service = users_service
 
 
-    class Catalog(di.AbstractCatalog):
-        """Catalog of providers."""
+    class Services(di.AbstractCatalog):
+        """Catalog of service providers."""
 
-        database = di.Singleton(sqlite3.Connection,
-                                database=':memory:')
-        """:type: (di.Provider) -> sqlite3.Connection"""
+        database = di.Singleton(sqlite3.connect, ':memory:')
+        """:type: () -> sqlite3.Connection"""
 
-        object_a_factory = di.Factory(ObjectA,
+        users = di.Factory(UsersService,
                            db=database)
-        """:type: (di.Provider) -> ObjectA"""
+        """:type: () -> UsersService"""
 
-        object_b_factory = di.Factory(ObjectB,
-                                      a=object_a_factory,
-                                      db=database)
-        """:type: (di.Provider) -> ObjectB"""
+        auth = di.Factory(AuthService,
+                          db=database,
+                          users_service=users)
+        """:type: () -> AuthService"""
 
 
-    # Catalog static provides.
-    a1, a2 = Catalog.object_a_factory(), Catalog.object_a_factory()
-    b1, b2 = Catalog.object_b_factory(), Catalog.object_b_factory()
+    # Retrieving catalog providers:
+    users_service = Services.users()
+    auth_service = Services.auth()
 
-    assert a1 is not a2
-    assert b1 is not b2
-    assert a1.db is a2.db is b1.db is b2.db is Catalog.database()
+    # Making some asserts:
+    assert users_service.db is auth_service.db is Services.database()
+    assert isinstance(auth_service.users_service, UsersService)
+    assert users_service is not Services.users()
+    assert auth_service is not Services.auth()
 
 
-    # Example of inline injections.
-    @di.inject(a=Catalog.object_a_factory)
-    @di.inject(b=Catalog.object_b_factory)
-    @di.inject(database=Catalog.database)
-    def example(a, b, database):
+    # Making some "inline" injections:
+    @di.inject(users_service=Services.users)
+    @di.inject(auth_service=Services.auth)
+    @di.inject(database=Services.database)
+    def example(users_service, auth_service, database):
         """Example callback."""
-        assert a.db is b.db is database is Catalog.database()
+        assert users_service.db is auth_service.db
+        assert auth_service.db is database
+        assert database is Services.database()
 
 
+    # Making a call of decorated callback:
     example()
 
 You can get more *Dependency Injector* examples in ``/examples`` directory on

dependency_injector/__init__.py

@@ -39,7 +39,7 @@ from .utils import ensure_is_catalog_bundle
 from .errors import Error
 
 
-VERSION = '0.10.0'
+VERSION = '0.10.1'
 
 
 __all__ = (

docs/main/changelog.rst

@@ -7,6 +7,9 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+0.10.1
+------
+- Update some examples.
 
 0.10.0
 ------

examples/concept.py

@@ -4,56 +4,60 @@ import sqlite3
 import dependency_injector as di
 
 
-class ObjectA(object):
-    """Example class ObjectA, that has dependency on database."""
+class UsersService(object):
+    """Users service, that has dependency on database."""
 
     def __init__(self, db):
         """Initializer."""
         self.db = db
 
 
-class ObjectB(object):
-    """Example class ObjectB, that has dependencies on ObjectA and database."""
+class AuthService(object):
+    """Auth service, that has dependencies on users service and database."""
 
-    def __init__(self, a, db):
+    def __init__(self, db, users_service):
         """Initializer."""
-        self.a = a
         self.db = db
+        self.users_service = users_service
 
 
-class Catalog(di.AbstractCatalog):
-    """Catalog of providers."""
+class Services(di.AbstractCatalog):
+    """Catalog of service providers."""
 
-    database = di.Singleton(sqlite3.Connection,
-                            database=':memory:')
-    """:type: (di.Provider) -> sqlite3.Connection"""
+    database = di.Singleton(sqlite3.connect, ':memory:')
+    """:type: () -> sqlite3.Connection"""
 
-    object_a_factory = di.Factory(ObjectA,
+    users = di.Factory(UsersService,
                        db=database)
-    """:type: (di.Provider) -> ObjectA"""
+    """:type: () -> UsersService"""
 
-    object_b_factory = di.Factory(ObjectB,
-                                  a=object_a_factory,
-                                  db=database)
-    """:type: (di.Provider) -> ObjectB"""
+    auth = di.Factory(AuthService,
+                      db=database,
+                      users_service=users)
+    """:type: () -> AuthService"""
 
 
-# Catalog static provides.
-a1, a2 = Catalog.object_a_factory(), Catalog.object_a_factory()
-b1, b2 = Catalog.object_b_factory(), Catalog.object_b_factory()
+# Retrieving catalog providers:
+users_service = Services.users()
+auth_service = Services.auth()
 
-assert a1 is not a2
-assert b1 is not b2
-assert a1.db is a2.db is b1.db is b2.db is Catalog.database()
+# Making some asserts:
+assert users_service.db is auth_service.db is Services.database()
+assert isinstance(auth_service.users_service, UsersService)
+assert users_service is not Services.users()
+assert auth_service is not Services.auth()
 
 
-# Example of inline injections.
-@di.inject(a=Catalog.object_a_factory)
-@di.inject(b=Catalog.object_b_factory)
-@di.inject(database=Catalog.database)
-def example(a, b, database):
+# Making some "inline" injections:
+@di.inject(users_service=Services.users)
+@di.inject(auth_service=Services.auth)
+@di.inject(database=Services.database)
+def example(users_service, auth_service, database):
     """Example callback."""
-    assert a.db is b.db is database is Catalog.database()
+    assert users_service.db is auth_service.db
+    assert auth_service.db is database
+    assert database is Services.database()
 
 
+# Making a call of decorated callback:
 example()