minor codestyle fixes

objects/__init__.py

@@ -1,16 +1,43 @@
 """Objects."""
 
 from .catalog import AbstractCatalog, overrides
-from .providers import (Provider, NewInstance, Singleton, Class, Object,
-                        Function, Value)
-from .injections import InitArg, Attribute, Method
+
+from .providers import Provider
+from .providers import ProviderDelegate
+from .providers import NewInstance
+from .providers import Singleton
+from .providers import Scoped
+from .providers import ExternalDependency
+from .providers import Class
+from .providers import Object
+from .providers import Function
+from .providers import Value
+from .providers import Callable
+from .providers import Config
+
+from .injections import InitArg
+from .injections import Attribute
+from .injections import Method
 
 
-__all__ = ('AbstractCatalog', 'overrides',
+__all__ = ('AbstractCatalog',
+           'overrides',
 
            # Providers
-           'Provider', 'NewInstance', 'Singleton', 'Class',
-           'Object', 'Function', 'Value',
+           'Provider',
+           'ProviderDelegate',
+           'NewInstance',
+           'Singleton',
+           'Scoped',
+           'ExternalDependency',
+           'Class',
+           'Object',
+           'Function',
+           'Value',
+           'Callable',
+           'Config',
 
            # Injections
-           'InitArg', 'Attribute', 'Method')
+           'InitArg',
+           'Attribute',
+           'Method')

objects/providers.py

@@ -1,12 +1,11 @@
 """Standard providers."""
 
 from collections import Iterable
-from .injections import (
-    Injection,
-    InitArg,
-    Attribute,
-    Method,
-)
+
+from .injections import Injection
+from .injections import InitArg
+from .injections import Attribute
+from .injections import Method
 
 
 class Provider(object):
@@ -249,29 +248,6 @@ class Callable(Provider):
         return self.calls(*args, **injections)
 
 
-class _DeferredConfig(Provider):
-
-    """Deferred config provider.
-
-    Deferred config providers provide an value from the root config object.
-    """
-
-    def __init__(self, paths, root_config):
-        """Initializer."""
-        self.paths = paths
-        self.root_config = root_config
-        super(_DeferredConfig, self).__init__()
-
-    def __getattr__(self, item):
-        """Return instance of deferred config."""
-        return _DeferredConfig(paths=self.paths + (item,),
-                               root_config=self.root_config)
-
-    def __call__(self, *args, **kwargs):
-        """Return provided instance."""
-        return self.root_config(self.paths)
-
-
 class Config(Provider):
 
     """Config provider.
@@ -302,7 +278,30 @@ class Config(Provider):
         if paths:
             for path in paths:
                 value = value[path]
-        return value
+            return value
+
+
+class _DeferredConfig(Provider):
+
+    """Deferred config provider.
+
+    Deferred config providers provide an value from the root config object.
+    """
+
+    def __init__(self, paths, root_config):
+        """Initializer."""
+        self.paths = paths
+        self.root_config = root_config
+        super(_DeferredConfig, self).__init__()
+
+    def __getattr__(self, item):
+        """Return instance of deferred config."""
+        return _DeferredConfig(paths=self.paths + (item,),
+                               root_config=self.root_config)
+
+    def __call__(self, *args, **kwargs):
+        """Return provided instance."""
+        return self.root_config(self.paths)
 
 
 def _fetch_injections(injections, injection_type):