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Viewing changes to bzrlib/help.py

  • Committer: Aaron Bentley
  • Date: 2006-07-12 19:21:38 UTC
  • mto: This revision was merged to the branch mainline in revision 1934.
  • Revision ID: abentley@panoramicfeedback.com-20060712192138-981a109321bd4a5b
Use optparse for generating option help

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bzrlib/help.py
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def help_on_command_options(cmd, outfile=None):
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    from bzrlib.option import Option
 
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    from commands import get_optparser
 
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    if outfile is None:
 
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        outfile = sys.stdout
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    options = cmd.options()
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    if not options:
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        return
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    if outfile == None:
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        outfile = sys.stdout
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    outfile.write('\noptions:\n')
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    for option_name, option in sorted(options.items()):
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        l = '    --' + option_name
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        if option.type is not None:
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            l += ' ' + option.argname.upper()
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        short_name = option.short_name()
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        if short_name:
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            assert len(short_name) == 1
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            l += ', -' + short_name
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        l += (30 - len(l)) * ' ' + option.help
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        # TODO: split help over multiple lines with correct indenting and 
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        # wrapping
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        wrapped = textwrap.fill(l, initial_indent='', subsequent_indent=30*' ')
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        outfile.write(wrapped + '\n')
 
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    outfile.write('\n')
 
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    outfile.write(get_optparser(options).format_option_help())
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def help_commands(outfile=None):