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socket.if_nametoindex('no-such-iface') raises OSError() without setting errno #100218

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socket.if_nametoindex('no-such-iface') raises OSError() without setting errno#100218
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stdlibPython modules in the Lib dirtype-bugAn unexpected behavior, bug, or error
@socketpair

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@socketpair
socketpair
opened on Dec 13, 2022
try:
    if_nametoindex('qweqweq')
except Exception as err:
    print(err.errno)

None

I think it's a bug because I can not distinguish from any other OS errors precisely (like EPERM vs ENOENT or so)

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    stdlibPython modules in the Lib dirtype-bugAn unexpected behavior, bug, or error

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