[issue8881] socket.getaddrinfo() should return named tuples

[Cheryl Sabella]

Cheryl Sabella <chekat2 at gmail.com> added the comment:

This one looks to be partly done due to #18720 and enums.

>>> for item in socket.getaddrinfo(None, 0):
...     print(item)
... 
(<AddressFamily.AF_INET6: 10>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('::1', 0, 0, 0))
(<AddressFamily.AF_INET6: 10>, <SocketKind.SOCK_DGRAM: 2>, 17, '', ('::1', 0, 0, 0))
(<AddressFamily.AF_INET6: 10>, <SocketKind.SOCK_RAW: 3>, 0, '', ('::1', 0, 0, 0))
(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, '', ('127.0.0.1', 0))
(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_DGRAM: 2>, 17, '', ('127.0.0.1', 0))
(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_RAW: 3>, 0, '', ('127.0.0.1', 0))

Is there a reason that Protocols weren't converted to be enums?  I added quick code to socket.py and it turned the above into:

(<AddressFamily.AF_INET6: 10>, <SocketKind.SOCK_STREAM: 1>, <Protocol.IPPROTO_TCP: 6>, '', ('::1', 0, 0, 0))
(<AddressFamily.AF_INET6: 10>, <SocketKind.SOCK_DGRAM: 2>, <Protocol.IPPROTO_UDP: 17>, '', ('::1', 0, 0, 0))
(<AddressFamily.AF_INET6: 10>, <SocketKind.SOCK_RAW: 3>, <Protocol.IPPROTO_HOPOPTS: 0>, '', ('::1', 0, 0, 0))
(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, <Protocol.IPPROTO_TCP: 6>, '', ('127.0.0.1', 0))
(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_DGRAM: 2>, <Protocol.IPPROTO_UDP: 17>, '', ('127.0.0.1', 0))
(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_RAW: 3>, <Protocol.IPPROTO_HOPOPTS: 0>, '', ('127.0.0.1', 0))

Would that be a responsible change to include?

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nosy: +csabella

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<https://bugs.python.org/issue8881>
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