Removing delegate option from injections

examples/singleton_and_factory.py

@@ -52,10 +52,9 @@ class UserService(object):
 
 
 # Users factory and UserService provider:
+users_factory = Factory(User)
 users_service = Singleton(UserService,
-                          KwArg('users_factory',
+                          KwArg('users_factory', Delegate(users_factory)))
-                                Delegate(Factory(User))))
-
 
 # Creating several User objects:
 user1 = users_service().get_by_id(1)

objects/injections.py

@@ -8,18 +8,17 @@ class Injection(object):
     """Base injection class."""
 
     __IS_OBJECTS_INJECTION__ = True
-    __slots__ = ('name', 'injectable', 'delegate')
+    __slots__ = ('name', 'injectable')
 
-    def __init__(self, name, injectable, delegate=False):
+    def __init__(self, name, injectable):
         """Initializer."""
         self.name = name
         self.injectable = injectable
-        self.delegate = delegate
 
     @property
     def value(self):
         """Return injectable value."""
-        if is_provider(self.injectable) and not self.delegate:
+        if is_provider(self.injectable):
             return self.injectable()
         return self.injectable
 

tox.ini

@@ -39,14 +39,14 @@ basepython=python2.7
 deps=
     flake8
 commands=
-    flake8 --max-complexity=8 objects
+    flake8 --max-complexity=8 objects/
 
 [testenv:pep257]
 basepython=python2.7
 deps=
     pep257
 commands=
-    pep257 objects
+    pep257 objects/
 
 [testenv:py26]
 basepython=python2.6