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[3.7] Use IPv4 only to avoid IP address collision (GH-7030) #7031

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Merged
merged 1 commit into from
May 21, 2018
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[3.7] Use IPv4 only to avoid IP address collision (GH-7030) #7031

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10 changes: 4 additions & 6 deletions Lib/test/test_asyncio/test_base_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1848,23 +1848,21 @@ def run_loop(self, coro):
def prepare(self):
sock = self.make_socket()
proto = self.MyProto(self.loop)
af = socket.AF_UNSPEC if support.IPV6_ENABLED else socket.AF_INET
server = self.run_loop(self.loop.create_server(
lambda: proto, support.HOST, 0, family=af))
port = server.sockets[0].getsockname()[1]
lambda: proto, support.HOST, 0, family=socket.AF_INET))
addr = server.sockets[0].getsockname()

for _ in range(10):
try:
self.run_loop(self.loop.sock_connect(sock,
(support.HOST, port)))
self.run_loop(self.loop.sock_connect(sock, addr))
except OSError:
self.run_loop(asyncio.sleep(0.5))
continue
else:
break
else:
# One last try, so we get the exception
self.run_loop(self.loop.sock_connect(sock, (support.HOST, port)))
self.run_loop(self.loop.sock_connect(sock, addr))

def cleanup():
server.close()
Expand Down