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Newsgroups: comp.lang.python
Date: Wed, 15 Feb 2012 10:40:00 -0800 (PST)
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Subject: Re: atexit.register in case of errors
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:20459

Another option is to use a global error flag and set it in sys.excepthook (see http://docs.python.org/library/sys.html#sys.excepthook).

goodbye will check the error flag and skip execution if error flag is set.