diff options
Diffstat (limited to 'Lib/http')
| -rw-r--r-- | Lib/http/server.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Lib/http/server.py b/Lib/http/server.py index b9a2717..c6e5ed6 100644 --- a/Lib/http/server.py +++ b/Lib/http/server.py @@ -103,6 +103,7 @@ import socketserver import sys import time import urllib.parse +import contextlib from functools import partial from http import HTTPStatus @@ -1286,7 +1287,10 @@ if __name__ == '__main__': # ensure dual-stack is not disabled; ref #38907 class DualStackServer(ThreadingHTTPServer): def server_bind(self): - self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0) + # suppress exception when protocol is IPv4 + with contextlib.suppress(Exception): + self.socket.setsockopt( + socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0) return super().server_bind() test( |