bpo-40275: Avoid importing socket in test.support (GH-19603)
* Move socket related functions from test.support to socket_helper.
* Import socket, nntplib and urllib.error lazily in transient_internet().
* Remove importing multiprocess.
diff --git a/Lib/test/test_nntplib.py b/Lib/test/test_nntplib.py
index fdd76f9..2a5a0b9 100644
--- a/Lib/test/test_nntplib.py
+++ b/Lib/test/test_nntplib.py
@@ -10,6 +10,7 @@
import threading
from test import support
+from test.support import socket_helper
from nntplib import NNTP, GroupInfo
import nntplib
from unittest.mock import patch
@@ -1555,14 +1556,14 @@
class LocalServerTests(unittest.TestCase):
def setUp(self):
sock = socket.socket()
- port = support.bind_port(sock)
+ port = socket_helper.bind_port(sock)
sock.listen()
self.background = threading.Thread(
target=self.run_server, args=(sock,))
self.background.start()
self.addCleanup(self.background.join)
- self.nntp = NNTP(support.HOST, port, usenetrc=False).__enter__()
+ self.nntp = NNTP(socket_helper.HOST, port, usenetrc=False).__enter__()
self.addCleanup(self.nntp.__exit__, None, None, None)
def run_server(self, sock):