[Python-Dev] Return error codes from getaddrinfo. (original) (raw)
Alan Kennedy python-dev at xhaus.com
Wed Jun 27 20:26:08 CEST 2007
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Dear all,
I'm seeking enlightenment on the error codes returned by the socket.getaddrinfo() function.
Consider the following on python 2.5 on Windows
import urllib urllib.urlopen("http://nonexistent") [snip traceback] IOError: [Errno socket error] (11001, 'getaddrinfo failed')
So the error number is 11001.
But when I try to find a symbolic constant in the errno module corresponding to this error number, I can't find one.
import errno errno.errorcode[11] 'EAGAIN' errno.errorcode[11001] Traceback (most recent call last): File "", line 1, in KeyError: 11001
Looking through the C source for the socket module doesn't provide any clarity (although my C is a little rusty). That module has a special function, set_gaierror(), for handling error returns from getaddrinfo. But I can't see if or how the resulting error codes relate to the errno module.
Is there supposed to be symbolic constants in the errno module corresponding to getaddrinfo errors?
I want jython to use the same errno symbolic constants as cpython, to ease portability of code.
Regards,
Alan.
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