~bzr-pqm/bzr/bzr.dev

1551.3.11 by Aaron Bentley
Merge from Robert
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#!/usr/bin/python
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# Copyright 2005 Canonical Ltd.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""%(prog)s - generate information from built-in bzr help
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%(prog)s creates a file with information on bzr in one of
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several different output formats:
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    man              man page
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    bash_completion  bash completion script
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    ...
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Examples: 
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    python2.4 generated-docs.py man
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    python2.4 generated-docs.py bash_completion
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Run "%(prog)s --help" for the option reference.
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"""
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import sys
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from optparse import OptionParser
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import tools.doc_generate
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def main(argv):
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    parser = OptionParser(usage="%prog [options] OUTPUT_FORMAT")
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    parser.add_option("-s", "--show-filename",
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                      action="store_true", dest="show_filename", default=False,
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                      help="print default filename on stdout")
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    parser.add_option("-o", "--output", dest="filename", metavar="FILE",
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                      help="write output to FILE")
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    parser.add_option("-b", "--bzr-name",
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                      dest="bzr_name", default="bzr", metavar="EXEC_NAME",
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                      help="name of bzr executable")
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    parser.add_option("-e", "--examples",
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                      action="callback", callback=print_extended_help,
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                      help="Examples of ways to call generate_doc")
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    (options, args) = parser.parse_args(argv)
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    if len(args) != 2:
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        parser.print_help()
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        sys.exit(1)
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    infogen_type = args[1]
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    infogen_mod = tools.doc_generate.get_module(infogen_type)
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    if options.filename:
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        outfilename = options.filename
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    else:
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        outfilename = infogen_mod.get_filename(options)
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    if outfilename == "-":
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        outfile = sys.stdout
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    else:
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        outfile = open(outfilename,"w")
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    if options.show_filename and (outfilename != "-"):
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        print >>sys.stdout, outfilename
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    infogen_mod.infogen(options, outfile)
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def print_extended_help(option, opt, value, parser):
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    """ Program help examples
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    Prints out the examples stored in the docstring. 
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    """
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    print >>sys.stdout, __doc__ % {"prog":sys.argv[0]}
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    sys.exit(0)
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if __name__ == '__main__':
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    main(sys.argv)