[ python-Bugs-850964 ] optparse: OptionParser.__init__'s "prog" argument ignored

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Bugs item #850964, was opened at 2003-11-28 18:48
Message generated for change (Comment added) made by fdrake
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Category: Python Library
Group: Python 2.3
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Paul Mueller (yuurei)
>Assigned to: Fred L. Drake, Jr. (fdrake)
Summary: optparse: OptionParser.__init__'s "prog" argument ignored

Initial Comment:
optparse uses sys.argv[0] for the program name even if
you supply the   
prog argument to OptionParser.__init__

ie, if you have p = OptionParser(prog='NEW_NAME'),
p.print_usage, p.print_help, p.error, etc. don't use
NEW_NAME as %prog.

This is with Python 2.3.2

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>Comment By: Fred L. Drake, Jr. (fdrake)
Date: 2004-04-01 02:54

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Unfortunately, the patch breaks some of the existing tests
for optparse.  I've committed a fix that doesn't require
changing the existing tests and that adds new tests so this
doesn't break in the future.

Fixed for Python 2.3.4 and 2.4:

Lib/optparse.py  1.8, 1.5.8.2
Lib/test/test_optparse.py  1.3, 1.2.8.2


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Comment By: Paul Mueller (yuurei)
Date: 2003-12-01 12:33

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The patch works perfectly.

Thank you.

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Comment By: George Yoshida (quiver)
Date: 2003-12-01 01:06

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I've submitted a patch.
See : http://www.python.org/sf/851902

Please apply the patch and check if "prog" argument 
works.

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