[Python-bugs-list] [ python-Bugs-662099 ] urllib2 exceptions need improvement

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Bugs item #662099, was opened at 2003-01-04 07:00
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Category: Python Library
Group: Python 2.2.2
Status: Open
Resolution: None
Priority: 5
Submitted By: Thomas Viehmann (t-v)
Assigned to: Nobody/Anonymous (nobody)
Summary: urllib2 exceptions need improvement

Initial Comment:
Hi.

Thanks for urllib2.
Urllib2 would be even better if Exceptions were more
unified, i.e. if there was way to test any URLException
for common failure causes, regardless of the protocol.
Example: 'File not found' can happen with
http/ftp/gopher/...

Cheers

Thomas

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>Comment By: Neal Norwitz (nnorwitz)
Date: 2003-01-04 19:32

Message:
Logged In: YES 
user_id=33168

Perhaps I'm missing something, but I don't understand what
you want.  All the exceptions in urllib2 derive from
URLError, which itself derives from IOError.  There are a
few cases where IOError is raised.  All other cases raise
URLError, HTTPError, or GopherError.  Isn't IOError (or
possibly URLError) what you are looking for?

So you would do:

  try:
    # your code here
  except IOError:
    # handle any urllib2 exception

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