1 files changed, 87 insertions, 0 deletions
diff --git a/dev-python/urllib3/files/urllib3-1.26.2-fix-test_proxy_rejection-test-hang.patch b/dev-python/urllib3/files/urllib3-1.26.2-fix-test_proxy_rejection-test-hang.patch
new file mode 100644
index 000000000000..2af65e84f016
--- /dev/null
+++ b/dev-python/urllib3/files/urllib3-1.26.2-fix-test_proxy_rejection-test-hang.patch
@@ -0,0 +1,87 @@
+Fixes a hang on test_proxy_rejection.
+https://github.com/urllib3/urllib3/commit/087d4de8487379033970898866625c00e0d51c85.patch
+
+From 087d4de8487379033970898866625c00e0d51c85 Mon Sep 17 00:00:00 2001
+From: Quentin Pradet <quentin.pradet@gmail.com>
+Date: Tue, 3 Nov 2020 17:15:50 +0400
+Subject: [PATCH] Fix test_proxy_rejection even with two localhost entries
+
+---
+ test/contrib/test_socks.py | 34 +++++++++++++++++++++++++++++++---
+ 1 file changed, 31 insertions(+), 3 deletions(-)
+
+diff --git a/test/contrib/test_socks.py b/test/contrib/test_socks.py
+index 1966513c1..ed716f188 100644
+--- a/test/contrib/test_socks.py
++++ b/test/contrib/test_socks.py
+@@ -1,8 +1,12 @@
++from __future__ import absolute_import
++
+ import socket
+ import threading
++from socket import getaddrinfo as real_getaddrinfo
+ from test import SHORT_TIMEOUT
+ 
+ import pytest
++import socks as py_socks
+ 
+ from dummyserver.server import DEFAULT_CA, DEFAULT_CERTS
+ from dummyserver.testcase import IPV4SocketDummyServerTestCase
+@@ -87,6 +91,26 @@ def _address_from_socket(sock):
+         raise RuntimeError("Unexpected addr type: %r" % addr_type)
+ 
+ 
++def _set_up_fake_getaddrinfo(monkeypatch):
++    # Work around https://github.com/urllib3/urllib3/pull/2034
++    # Nothing prevents localhost to point to two different IPs. For example, in the
++    # Ubuntu set up by GitHub Actions, localhost points both to 127.0.0.1 and ::1.
++    #
++    # In case of failure, PySocks will try the same request on both IPs, but our
++    # handle_socks[45]_negotiation functions don't handle retries, which leads either to
++    # a deadlock or a timeout in case of a failure on the first address.
++    #
++    # However, some tests need to exercise failure. We don't want retries there, but
++    # can't affect PySocks retries via its API. Instead, we monkeypatch PySocks so that
++    # it only sees a single address, which effectively disables retries.
++    def fake_getaddrinfo(addr, port, family, socket_type):
++        gai_list = real_getaddrinfo(addr, port, family, socket_type)
++        gai_list = [gai for gai in gai_list if gai[0] == socket.AF_INET]
++        return gai_list[:1]
++
++    monkeypatch.setattr(py_socks.socket, "getaddrinfo", fake_getaddrinfo)
++
++
+ def handle_socks5_negotiation(sock, negotiate, username=None, password=None):
+     """
+     Handle the SOCKS5 handshake.
+@@ -334,7 +358,8 @@ def request_handler(listener):
+             with pytest.raises(NewConnectionError):
+                 pm.request("GET", "http://example.com", retries=False)
+ 
+-    def test_proxy_rejection(self):
++    def test_proxy_rejection(self, monkeypatch):
++        _set_up_fake_getaddrinfo(monkeypatch)
+         evt = threading.Event()
+ 
+         def request_handler(listener):
+@@ -429,7 +454,9 @@ def request_handler(listener):
+             assert response.data == b""
+             assert response.headers["Server"] == "SocksTestServer"
+ 
+-    def test_socks_with_invalid_password(self):
++    def test_socks_with_invalid_password(self, monkeypatch):
++        _set_up_fake_getaddrinfo(monkeypatch)
++
+         def request_handler(listener):
+             sock = listener.accept()[0]
+ 
+@@ -592,7 +619,8 @@ def request_handler(listener):
+             response = pm.request("GET", "http://example.com")
+             assert response.status == 200
+ 
+-    def test_proxy_rejection(self):
++    def test_proxy_rejection(self, monkeypatch):
++        _set_up_fake_getaddrinfo(monkeypatch)
+         evt = threading.Event()
+ 
+         def request_handler(listener):