Use a2wsgi.WSGIMiddleware replace WSGIMiddleware

setup.cfg

@@ -25,8 +25,6 @@ files =
     uvicorn/protocols/websockets/auto.py,
     uvicorn/supervisors/__init__.py,
     uvicorn/middleware/debug.py,
-    uvicorn/middleware/wsgi.py,
-    tests/middleware/test_wsgi.py,
     uvicorn/supervisors/watchgodreload.py,
     uvicorn/logging.py,
     uvicorn/middleware/asgi2.py,

setup.py

@@ -62,6 +62,7 @@ def get_packages(package):
     "watchgod>=0.6",
     "python-dotenv>=0.13",
     "PyYAML>=5.1",
+    "a2wsgi>=1.4.0,<2.0.0"
 ]
 
 

tests/test_config.py

@@ -15,6 +15,7 @@
 
 import pytest
 import yaml
+from a2wsgi import WSGIMiddleware
 from asgiref.typing import ASGIApplication, ASGIReceiveCallable, ASGISendCallable, Scope
 from pytest_mock import MockerFixture
 
@@ -23,7 +24,6 @@
 from uvicorn.config import LOGGING_CONFIG, Config
 from uvicorn.middleware.debug import DebugMiddleware
 from uvicorn.middleware.proxy_headers import ProxyHeadersMiddleware
-from uvicorn.middleware.wsgi import WSGIMiddleware
 from uvicorn.protocols.http.h11_impl import H11Protocol
 
 

uvicorn/config.py

@@ -28,12 +28,21 @@
     # enable this functionality.
     pass
 
+try:
+    from a2wsgi import WSGIMiddleware
+except ImportError:
+    from uvicorn._types import WSGIApp
+
+    class WSGIMiddleware:  # type: ignore
+        def __init__(self, app: WSGIApp, workers: int = 10):
+            raise RuntimeError("Please install `a2wsgi` for serving WSGI applications")
+
+
 from uvicorn.importer import ImportFromStringError, import_from_string
 from uvicorn.middleware.asgi2 import ASGI2Middleware
 from uvicorn.middleware.debug import DebugMiddleware
 from uvicorn.middleware.message_logger import MessageLoggerMiddleware
 from uvicorn.middleware.proxy_headers import ProxyHeadersMiddleware
-from uvicorn.middleware.wsgi import WSGIMiddleware
 
 HTTPProtocolType = Literal["auto", "h11", "httptools"]
 WSProtocolType = Literal["auto", "none", "websockets", "wsproto"]