[Patches] [ python-Patches-816787 ] urllib2.URLError don't calll IOError.__init__

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Patches item #816787, was opened at 2003-10-02 16:16
Message generated for change (Comment added) made by collinwinter
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Category: Library (Lib)
Group: Python 2.3
>Status: Closed
Resolution: None
Priority: 5
Private: No
Submitted By: Miki Tebeka (tebeka)
Assigned to: Jeremy Hylton (jhylton)
Summary: urllib2.URLError don't calll IOError.__init__

Initial Comment:
The comments says it's not needed by in the case of:
---------------
from urllib2 import URLError

u = URLError(1)
u[-1]
Traceback (most recent call last):
  File "u.py", line 6, in ?
    u[-1]
AttributeError: URLError instance has no attribute 'args'
--------------
it's not what we excpect.
Attaching a patch to call IOError.__init__

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>Comment By: Collin Winter (collinwinter)
Date: 2007-03-11 21:35

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Closing, per jjlee's suggestion.

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Comment By: John J Lee (jjlee)
Date: 2005-05-19 17:10

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This should be closed:

If anybody has any further bright ideas on making urllib2's
exceptions more beautiful, they can always submit a new patch.


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Comment By: Jeremy Hylton (jhylton)
Date: 2003-10-06 01:10

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I've changed URLError to call IOError.__init__().  That's an
improvement, but it's still not great.  The typical
EnvironmentError has a two- or three-tuple where item 0 is
the errno, item 1 is a string explaining the error, and item
3 is a filenumber.  The change will creates args, but won't
set errno or strerrror.  Code expecting an errno in args[0]
will be surprised.

What do you think?


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