Add Container provider

MANIFEST.in

@@ -1,4 +1,4 @@
-recursive-include src/dependency_injector *.py *.pyx *.pxd *.c
+recursive-include src/dependency_injector *.py *.pyx *.pxd *.c *.pyi py.typed
 recursive-include tests *.py
 include README.rst
 include CONTRIBUTORS.rst

setup.py

@@ -57,7 +57,11 @@ setup(name='dependency-injector',
                     extra_compile_args=['-O2']),
       ],
       package_data={
-          'dependency_injector': ['*.pxd'],
+          'dependency_injector': [
+              '*.pxd',
+              '*.pyi',
+              'py.typed',
+          ],
       },
       zip_safe=True,
       license='BSD New',

src/dependency_injector/providers.pyi

@@ -0,0 +1,7 @@
+from typing import TypeVar
+
+R = TypeVar('R')
+
+
+def Container(container: R) -> R:
+    ...

src/dependency_injector/providers.pyx

@@ -606,6 +606,13 @@ cdef class DependenciesContainer(Object):
             provider.override(dependency_provider)
 
 
+class Container(DependenciesContainer):
+
+    def __init__(self, container):
+        self.container = container
+        super().__init__()
+
+
 cdef class OverridingContext(object):
     """Provider overriding context.