Add support of positional context argument injections

docs/providers/list.rst

@@ -18,6 +18,7 @@ positional argument injections the same way as :py:class:`Factory` provider:
 + Providers could be injected "as is" (delegated), if it is defined explicitly. Check out
   :ref:`factory_providers_delegation`.
 + All other values are injected *"as is"*.
++ Positional context arguments will be appended after :py:class:`List` positional injections.
 
 Full example:
 
@@ -28,7 +29,6 @@ Full example:
 
 .. note::
 
-    Positional context argument injections and keyword argument injections are not
-    supported.
+    Keyword argument injections are not supported.
 
 .. disqus::

src/dependency_injector/providers.pyx

@@ -1972,8 +1972,7 @@ cdef class List(Provider):
     :py:class:`List` provider is needed for injecting a list of dependencies. It handles
     positional argument injections the same way as :py:class:`Factory` provider.
 
-    Positional context argument injections and keyword argument injections are not
-    supported.
+    Keyword argument injections are not supported.
 
     .. code-block:: python
 

tests/unit/providers/test_list_py2_py3.py

@@ -23,6 +23,11 @@ class ListTests(unittest.TestCase):
 
         self.assertIsNot(list1, list2)
 
+    def test_call_with_context_args(self):
+        provider = providers.List('i1', 'i2')
+
+        self.assertEqual(provider('i3', 'i4'), ['i1', 'i2', 'i3', 'i4'])
+
     def test_fluent_interface(self):
         provider = providers.List() \
             .add_args(1, 2)