From: Nikita Sobolev <mail@sobolevn.me>
Date: Sat, 11 Jun 2022 06:30:50 +0000 (+0300)
Subject: Fix `authentication.requires` typing (#1659)
X-Git-Tag: 0.20.4~11
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=daf29136df53ff03fb291644a4e564b6b37b4857;p=thirdparty%2Fstarlette.git

Fix `authentication.requires` typing (#1659)
---

diff --git a/starlette/authentication.py b/starlette/authentication.py
index 4affb438..32713eb1 100644
--- a/starlette/authentication.py
+++ b/starlette/authentication.py
@@ -9,6 +9,8 @@ from starlette.requests import HTTPConnection, Request
 from starlette.responses import RedirectResponse, Response
 from starlette.websockets import WebSocket
 
+_CallableType = typing.TypeVar("_CallableType", bound=typing.Callable)
+
 
 def has_required_scope(conn: HTTPConnection, scopes: typing.Sequence[str]) -> bool:
     for scope in scopes:
@@ -21,7 +23,7 @@ def requires(
     scopes: typing.Union[str, typing.Sequence[str]],
     status_code: int = 403,
     redirect: typing.Optional[str] = None,
-) -> typing.Callable:
+) -> typing.Callable[[_CallableType], _CallableType]:
     scopes_list = [scopes] if isinstance(scopes, str) else list(scopes)
 
     def decorator(func: typing.Callable) -> typing.Callable:
@@ -95,7 +97,7 @@ def requires(
 
             return sync_wrapper
 
-    return decorator
+    return decorator  # type: ignore[return-value]
 
 
 class AuthenticationError(Exception):