[Python-Dev] Small additions to optparser (original) (raw)

Gustavo Niemeyer niemeyer at conectiva.com
Thu Apr 29 15:47:35 EDT 2004

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Hi Folks,

I have two small customizations I've used in most projects I've plugged optparse into. Since they're simple and generic, I'd like to integrate them back in optparser. These features are:

• Add a help formatter which uses capitalized headers.
• Add a "help" keyword in OptionParser, allowing straightforward addition of a custom help messages.

Comments?

Also, how are we currently handling changes in optparser? Do we have an "official" maintainer (Greg?). IOW, should I:

• Send a proposed patch to SourceForge
• Contact the original project
• Commit the patch

FWIW, here is the proposed functionality:

class CapitalizedHelpFormatter(optparse.IndentedHelpFormatter):

def format_usage(self, usage):
    return optparse.IndentedHelpFormatter \
            .format_usage(self, usage).capitalize()

def format_heading(self, heading):
    return optparse.IndentedHelpFormatter \
            .format_heading(self, heading).capitalize()

class OptionParser(optparse.OptionParser):

def __init__(self, *args, **kwargs):
    optparse.OptionParser.__init__(self, *args, **kwargs)
    self._override_help = kwargs.get("help")

def format_help(self, formatter=None):
    if self._override_help:
        return self._override_help
    else:
        return optparse.OptionParser.format_help(self, formatter)

-- Gustavo Niemeyer http://niemeyer.net

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