Change 'localhost' to '127.0.0.1' (#305)

Co-authored-by: Michael Howitz <icemac@gmx.net>

Author: Cyperwu

CHANGES.rst

@@ -4,8 +4,7 @@ Changelog
 16.1 (unreleased)
 -----------------
 
-- Nothing changed yet.
-
+- Changed "localhost" to "127.0.0.1" to avoid bad hostname resolution
 
 16.0.1 (2025-09-02)
 -------------------

src/pytest_rerunfailures.py

@@ -421,7 +421,7 @@ def _sock_send(self, conn, msg: str):
 class ServerStatusDB(SocketDB):
     def __init__(self):
         super().__init__()
-        self.sock.bind(("localhost", 0))
+        self.sock.bind(("127.0.0.1", 0))
         self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 
         self.rerunfailures_db = {}
@@ -463,7 +463,7 @@ def _get(self, i: str, k: str) -> int:
 class ClientStatusDB(SocketDB):
     def __init__(self, sock_port):
         super().__init__()
-        self.sock.connect(("localhost", sock_port))
+        self.sock.connect(("127.0.0.1", sock_port))
 
     def _set(self, i: str, k: str, v: int):
         self._sock_send(self.sock, "|".join(("set", i, k, str(v))))