Merge pull request #54 from reagento/fix/self_hint

fix self typehint

src/dishka/dependency_source.py

@@ -6,6 +6,7 @@
     iscoroutinefunction,
     isfunction,
     isgeneratorfunction,
+    signature,
 )
 from typing import (
     Any,
@@ -117,7 +118,10 @@ def make_factory(
         possible_dependency = source
         is_to_bind = False
     elif isfunction(source):
+        params = signature(source).parameters
+        self = next(iter(params.values()))
         hints = get_type_hints(source, include_extras=True)
+        hints.pop(self.name, None)
         possible_dependency = hints.pop("return", None)
         is_to_bind = True
     else:

tests/unit/test_provider.py

@@ -77,3 +77,13 @@ def foo(self, x: bool) -> str:
 
     provider = MyProvider(scope=Scope.REQUEST)
     assert provider.foo.scope == Scope.REQUEST
+
+
+def test_self_hint():
+    class MyProvider(Provider):
+        @provide
+        def foo(self: Provider) -> str:
+            return "hello"
+
+    provider = MyProvider(scope=Scope.REQUEST)
+    assert not provider.foo.dependencies