Author stockbsd
Recipients stockbsd
Date 2014-12-09.01:27:02
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Message-id <1418088423.32.0.545997731561.issue23016@psf.upfronthosting.co.za>
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Content
in py3k, the following simple code will throw an uncatched exception when executed with pythonw:

import warnings
warnings.warn('test')

the problem occurs in showarning function: in py3k's pythonw , stderr/stdout is set to None, so the file.write(...) statement will thorw AttributeError uncatched. I think a catch-all except(delete 'OSError') can solve this.

def showwarning(message, category, filename, lineno, file=None, line=None):
    """Hook to write a warning to a file; replace if you like."""
    if file is None:
        file = sys.stderr
    try:
        file.write(formatwarning(message, category, filename, lineno, line))
    except OSError:
        pass # the file (probably stderr) is invalid - this warning gets lost.
History
Date User Action Args
2014-12-09 01:27:03stockbsdsetrecipients: + stockbsd
2014-12-09 01:27:03stockbsdsetmessageid: <1418088423.32.0.545997731561.issue23016@psf.upfronthosting.co.za>
2014-12-09 01:27:03stockbsdlinkissue23016 messages
2014-12-09 01:27:02stockbsdcreate