Bug 52271 - pyuno exception handling breaks some applications
Summary: pyuno exception handling breaks some applications
Status: RESOLVED INVALID
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: LibreOffice (show other bugs)
Version:
(earliest affected)
unspecified
Hardware: All All
: medium normal
Assignee: Not Assigned
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Reported: 2012-07-19 15:26 UTC by David Burke
Modified: 2015-06-08 14:26 UTC (History)
1 user (show)

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Description David Burke 2012-07-19 15:26:24 UTC
See https://code.djangoproject.com/ticket/11098

The django developer says "This looks like uno is installing some sort of an import hook that's written incorrectly to the point that it causes Django to fail. It's impossible for Django to handle all this sort of monkeypatching, so this is a bug that'll need to be fixed with uno."

Is this really a bug in pyuno? I'm afraid I don't understand exception handling well enough to determine this. 

It's annoying at least in django developement (and presumably elsewhere) because pyuno eats up the exceptions sometimes making it hard to debug. Some applications such as South break due to this. Here is a sample of how it can break

try:
    __import__(app_name + '.management', {}, {}, [''])
except ImportError, exc:
    msg = exc.args[0]
    if not msg.startswith('No module named') or 'management' not in msg:
        raise

Perhaps the msg.startswith is a bit of a hack...but it demonstrates how annoying this is. I would except the django related exception here, but instead we pyuno stuff that just shouldn't be here.
Comment 1 Buovjaga 2014-11-06 11:52:03 UTC
Does this still happen in later versions?
Comment 2 QA Administrators 2015-05-06 14:15:11 UTC
Dear Bug Submitter,

This bug has been in NEEDINFO status with no change for at least
6 months. Please provide the requested information as soon as
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Comment 3 QA Administrators 2015-06-08 14:26:55 UTC
Dear Bug Submitter,

Please read this message in its entirety before proceeding.

Your bug report is being closed as INVALID due to inactivity and
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This INVALID Message was generated on: 2015-05-06

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