gh-120485: Add an override of `allow_reuse_port` on classes subclassing `socketserver.TCPServer` (GH-120488)

Co-authored-by: Vinay Sajip <vinay_sajip@yahoo.co.uk>

Lib/http/server.py

@@ -129,7 +129,8 @@
 
 class HTTPServer(socketserver.TCPServer):
 
-    allow_reuse_address = 1    # Seems to make sense in testing environment
+    allow_reuse_address = True    # Seems to make sense in testing environment
+    allow_reuse_port = True
 
     def server_bind(self):
         """Override server_bind to store the server name."""

Lib/logging/config.py

@@ -984,7 +984,8 @@ class ConfigSocketReceiver(ThreadingTCPServer):
         A simple TCP socket-based logging config receiver.
         """
 
-        allow_reuse_address = 1
+        allow_reuse_address = True
+        allow_reuse_port = True
 
         def __init__(self, host='localhost', port=DEFAULT_LOGGING_CONFIG_PORT,
                      handler=None, ready=None, verify=None):

Lib/test/test_logging.py

@@ -1038,6 +1038,7 @@ class TestTCPServer(ControlMixin, ThreadingTCPServer):
     """
 
     allow_reuse_address = True
+    allow_reuse_port = True
 
     def __init__(self, addr, handler, poll_interval=0.5,
                  bind_and_activate=True):

Lib/xmlrpc/server.py

@@ -578,6 +578,7 @@ class SimpleXMLRPCServer(socketserver.TCPServer,
     """
 
     allow_reuse_address = True
+    allow_reuse_port = True
 
     # Warning: this is for debugging purposes only! Never set this to True in
     # production code, as will be sending out sensitive information (exception

Misc/NEWS.d/next/Core and Builtins/2024-06-14-07-52-00.gh-issue-120485.yy4K4b.rst

@@ -0,0 +1 @@
+Add an override of ``allow_reuse_port`` on classes subclassing ``socketserver.TCPServer`` where ``allow_reuse_address`` is also overridden.