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wsgi server: address family discovery is not quite right #1006

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Merged
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Feb 13, 2024
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wsgi server: address family discovery is not quite right #1006

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2 changes: 1 addition & 1 deletion prometheus_client/exposition.py
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,7 @@ def _get_best_family(address, port):
# binding an ipv6 address is requested.
# This function is based on what upstream python did for http.server
# in https://github.com/python/cpython/pull/11767
infos = socket.getaddrinfo(address, port)
infos = socket.getaddrinfo(address, port, type=socket.SOCK_STREAM, flags=socket.AI_PASSIVE)
family, _, _, _, sockaddr = next(iter(infos))
return family, sockaddr[0]

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