Issue #22095: Fixed HTTPConnection.set_tunnel with default port. The port

value in the host header was set to "None".  Patch by Demian Brecht.

Lib/http/client.py

@@ -771,8 +771,7 @@ class HTTPConnection:
         if self.sock:
             raise RuntimeError("Can't set up tunnel for established connection")
 
-        self._tunnel_host = host
-        self._tunnel_port = port
+        self._tunnel_host, self._tunnel_port = self._get_hostport(host, port)
         if headers:
             self._tunnel_headers = headers
         else:
@@ -802,9 +801,8 @@ class HTTPConnection:
         self.debuglevel = level
 
     def _tunnel(self):
-        (host, port) = self._get_hostport(self._tunnel_host,
-                                          self._tunnel_port)
-        connect_str = "CONNECT %s:%d HTTP/1.0\r\n" % (host, port)
+        connect_str = "CONNECT %s:%d HTTP/1.0\r\n" % (self._tunnel_host,
+            self._tunnel_port)
         connect_bytes = connect_str.encode("ascii")
         self.send(connect_bytes)
         for header, value in self._tunnel_headers.items():

Lib/test/test_httplib.py

@@ -1068,11 +1068,13 @@ class TunnelTests(TestCase):
 
         self.assertEqual(conn.sock.host, 'proxy.com')
         self.assertEqual(conn.sock.port, 80)
-        self.assertTrue(b'CONNECT destination.com' in conn.sock.data)
-        self.assertTrue(b'Host: destination.com' in conn.sock.data)
+        self.assertIn(b'CONNECT destination.com', conn.sock.data)
+        # issue22095
+        self.assertNotIn(b'Host: destination.com:None', conn.sock.data)
+        self.assertIn(b'Host: destination.com', conn.sock.data)
 
         # This test should be removed when CONNECT gets the HTTP/1.1 blessing
-        self.assertTrue(b'Host: proxy.com' not in conn.sock.data)
+        self.assertNotIn(b'Host: proxy.com', conn.sock.data)
 
         conn.close()
         conn.request('PUT', '/', '')

Misc/NEWS

@@ -39,6 +39,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #22095: Fixed HTTPConnection.set_tunnel with default port.  The port
+  value in the host header was set to "None".  Patch by Demian Brecht.
+
 - Issue #23016: A warning no longer produces an AttributeError when the program
   is run with pythonw.exe.