bpo-46436: Fix command-line option -d/--directory in module http.server (GH-30701)

Fix command-line option -d/--directory in http.server main
function that was ignored when combined with --cgi.

Automerge-Triggered-By: GH:merwok

Author: geryogam

Lib/http/server.py

@@ -103,8 +103,6 @@
 import sys
 import time
 import urllib.parse
-import contextlib
-from functools import partial
 
 from http import HTTPStatus
 
@@ -1239,7 +1237,6 @@ def test(HandlerClass=BaseHTTPRequestHandler,
 
     """
     ServerClass.address_family, addr = _get_best_family(bind, port)
-
     HandlerClass.protocol_version = protocol
     with ServerClass(addr, HandlerClass) as httpd:
         host, port = httpd.socket.getsockname()[:2]
@@ -1256,36 +1253,40 @@ def test(HandlerClass=BaseHTTPRequestHandler,
 
 if __name__ == '__main__':
     import argparse
+    import contextlib
 
     parser = argparse.ArgumentParser()
     parser.add_argument('--cgi', action='store_true',
-                       help='Run as CGI Server')
+                        help='run as CGI server')
     parser.add_argument('--bind', '-b', metavar='ADDRESS',
-                        help='Specify alternate bind address '
-                             '[default: all interfaces]')
+                        help='specify alternate bind address '
+                             '(default: all interfaces)')
     parser.add_argument('--directory', '-d', default=os.getcwd(),
-                        help='Specify alternative directory '
-                        '[default:current directory]')
-    parser.add_argument('port', action='store',
-                        default=8000, type=int,
+                        help='specify alternate directory '
+                             '(default: current directory)')
+    parser.add_argument('port', action='store', default=8000, type=int,
                         nargs='?',
-                        help='Specify alternate port [default: 8000]')
+                        help='specify alternate port (default: 8000)')
     args = parser.parse_args()
     if args.cgi:
         handler_class = CGIHTTPRequestHandler
     else:
-        handler_class = partial(SimpleHTTPRequestHandler,
-                                directory=args.directory)
+        handler_class = SimpleHTTPRequestHandler
 
     # ensure dual-stack is not disabled; ref #38907
     class DualStackServer(ThreadingHTTPServer):
+
         def server_bind(self):
             # suppress exception when protocol is IPv4
             with contextlib.suppress(Exception):
                 self.socket.setsockopt(
                     socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
             return super().server_bind()
 
+        def finish_request(self, request, client_address):
+            self.RequestHandlerClass(request, client_address, self,
+                                     directory=args.directory)
+
     test(
         HandlerClass=handler_class,
         ServerClass=DualStackServer,

Misc/NEWS.d/next/Library/2022-01-23-19-37-00.bpo-46436.Biz1p9.rst

@@ -0,0 +1,3 @@
+Fix command-line option ``-d``/``--directory`` in module :mod:`http.server`
+which is ignored when combined with command-line option ``--cgi``. Patch by
+Géry Ogam.