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svn+ssh://pythondev@svn.python.org/python/trunk ........ r81490 | steven.bethard | 2010-05-23 19:38:00 -0700 (Sun, 23 May 2010) | 1 line argparse documentation updates (including updates to optparse and getopt documentation that were promised in the PEP) ........
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@ -672,8 +672,8 @@ command-line args should be handled. The supported actions are:
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>>> import argparse
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>>> import argparse
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>>> parser = argparse.ArgumentParser(prog='PROG')
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>>> parser = argparse.ArgumentParser(prog='PROG')
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>>> parser.add_argument('-v', '--version', action='version', version='%(prog)s 2.0')
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>>> parser.add_argument('--version', action='version', version='%(prog)s 2.0')
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>>> parser.parse_args(['-v'])
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>>> parser.parse_args(['--version'])
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PROG 2.0
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PROG 2.0
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You can also specify an arbitrary action by passing an object that implements
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You can also specify an arbitrary action by passing an object that implements
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@ -1725,3 +1725,6 @@ A partial upgrade path from optparse to argparse:
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* Replace strings with implicit arguments such as ``%default`` or ``%prog`` with
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* Replace strings with implicit arguments such as ``%default`` or ``%prog`` with
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the standard python syntax to use dictionaries to format strings, that is,
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the standard python syntax to use dictionaries to format strings, that is,
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``%(default)s`` and ``%(prog)s``.
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``%(default)s`` and ``%(prog)s``.
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* Replace the OptionParser constructor ``version`` argument with a call to
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``parser.add_argument('--version', action='version', version='<the version>')``
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@ -5,6 +5,12 @@
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:synopsis: Portable parser for command line options; support both short and
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:synopsis: Portable parser for command line options; support both short and
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long option names.
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long option names.
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.. note::
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The :mod:`getopt` module is a parser for command line options whose API is
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designed to be familiar to users of the C :cfunc:`getopt` function. Users who
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are unfamiliar with the C :cfunc:`getopt` function or who would like to write
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less code and get better help and error messages should consider using the
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:mod:`argparse` module instead.
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This module helps scripts to parse the command line arguments in ``sys.argv``.
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This module helps scripts to parse the command line arguments in ``sys.argv``.
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It supports the same conventions as the Unix :cfunc:`getopt` function (including
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It supports the same conventions as the Unix :cfunc:`getopt` function (including
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@ -136,9 +142,21 @@ In a script, typical usage is something like this::
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if __name__ == "__main__":
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if __name__ == "__main__":
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main()
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main()
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Note that an equivalent command line interface could be produced with less code
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and more informative help and error messages by using the :mod:`argparse` module::
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import argparse
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('-o', '--output')
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parser.add_argument('-v', dest='verbose', action='store_true')
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args = parser.parse_args()
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# ... do something with args.output ...
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# ... do something with args.verbose ..
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.. seealso::
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.. seealso::
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Module :mod:`optparse`
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Module :mod:`argparse`
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More object-oriented command line option parsing.
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Alternative command line option and argument parsing library.
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@ -3,6 +3,12 @@
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.. module:: optparse
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.. module:: optparse
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:synopsis: Command-line option parsing library.
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:synopsis: Command-line option parsing library.
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:deprecated:
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.. deprecated:: 2.7
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The :mod:`optparse` module is deprecated and will not be developed further;
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development will continue with the :mod:`argparse` module.
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.. moduleauthor:: Greg Ward <gward@python.net>
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.. moduleauthor:: Greg Ward <gward@python.net>
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.. sectionauthor:: Greg Ward <gward@python.net>
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.. sectionauthor:: Greg Ward <gward@python.net>
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