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Sourcecode: hgsvn version File versions

common.py

from hgsvn import base_version, full_version

import sys
from optparse import SUPPRESS_HELP


copyright_message = """\
Copyright (C) 2007 Antoine Pitrou.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

Written by Antoine Pitrou.
"""


def run_parser(parser, long_help=""):
    """
    Add common options to an OptionParser instance, and run parsing.

    A hidden option is added to ease man page production with the help2man tool.
    For example, the following produces a (rather terse) man page for hgpullsvn:
    $ help2man -N "hgpullsvn --help2man" -o man1/hgpullsvn.1
    """
    parser.add_option("", "--version", dest="show_version", action="store_true",
        help="show version and exit")
    parser.add_option("", "--help2man", dest="help2man", action="store_true",
        help=SUPPRESS_HELP)
    parser.remove_option("--help")
    parser.add_option("-h", "--help", dest="show_help", action="store_true",
        help="show this help message and exit")
    options, args = parser.parse_args()
    if options.show_help:
        if options.help2man and long_help:
            print long_help
            print
        parser.print_help()
        sys.exit(0)
    if options.show_version:
        if options.help2man:
            print "hgsvn", base_version
            print
            print copyright_message
        else:
            print "hgsvn", full_version
        sys.exit(0)
    return options, args

def display_parser_error(parser, message):
    """
    Display an options error, and terminate.
    """
    print "error:", message
    print
    parser.print_help()
    sys.exit(1)


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