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Showing content from https://mail.python.org/pipermail/python-dev/2012-December/123312.html below:

[Python-Dev] Raising OSError concrete classes from errno code

[Python-Dev] Raising OSError concrete classes from errno code [Python-Dev] Raising OSError concrete classes from errno codeSerhiy Storchaka storchaka at gmail.com
Wed Dec 26 13:02:05 CET 2012
It sould be in Python-Ideas: add keyword argument support for OSError 
and subclasses with suitable default values. I.e.

 >>> OSError(errno=errno.ENOENT)
FileNotFoundError(2, 'No such file or directory')
 >>> FileNotFoundError(filename='qwerty')
FileNotFoundError(2, 'No such file or directory')
 >>> FileNotFoundError(strerr='Bad file')
FileNotFoundError(2, 'Bad file')


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