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  • Committer: Snappy Tarmac
  • Author(s): Sergio Schvezov
  • Date: 2015-10-29 11:54:55 UTC
  • mfrom: (259.1.1 work)
  • Revision ID: snappy_tarmac-20151029115455-m9hipofdllnvjdxb
Support combinations of --version, -v and version. Also order help by sergiusens approved by chipaca

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snapcraft/main.py
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from snapcraft import help
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from snapcraft import log
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try:
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    _version = pkg_resources.require('snapcraft')[0].version
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except pkg_resources.DistributionNotFound:
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    _version = 'devel'
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_VERSION = '%(prog)s ({}). Run "%(prog)s help" to get started.'.format(
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    _version)
 
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class _VersionAction(argparse.Action):
 
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    def __init__(self, option_strings, version=None, dest=argparse.SUPPRESS,
 
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                 default=argparse.SUPPRESS, nargs=0, help=None):
 
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        super(_VersionAction, self).__init__(
 
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            option_strings=option_strings,
 
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            dest=dest,
 
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            default=default,
 
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            nargs=0,
 
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            help=help)
 
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    def __call__(self, parser, namespace, values, option_string=None):
 
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        version_string = '{prog} ({ver}).\nRun "{prog} help" to get started.'
 
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        try:
 
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            version = pkg_resources.require('snapcraft')[0].version
 
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        except pkg_resources.DistributionNotFound:
 
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            version = 'devel'
 
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        print(version_string.format(prog=parser.prog.split()[0], ver=version))
 
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        parser.exit()
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def main():
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                                         parents=[force_parser])
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    cmd_parser.add_argument('part', nargs='*')
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    root_parser.add_argument('--version', action='version',
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                             version=_VERSION)
 
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    root_parser.add_argument('-v', '--version', action=_VersionAction,
 
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                             help="show the program's version number and exit")
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    # Command parsers
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        help='clean up the environment (to start from scratch)')
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    parser.set_defaults(func=snapcraft.cmds.clean)
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    parser = subparsers.add_parser(
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        'help',
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        usage=help.topic.__doc__,
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        help='obtain help for plugins and specific topics')
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    parser.set_defaults(func=help.topic)
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    parser.add_argument('topic', help='plugin name or topic to get help from')
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    parser.add_argument('--devel', action='store_true',
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                        help='show the development help')
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    parser = subparsers.add_parser('pull', help='get sources',
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                                   parents=[cmd_parser])
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    parser.set_defaults(func=snapcraft.cmds.cmd)
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        aliases=['all'])
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    parser.set_defaults(func=snapcraft.cmds.assemble)
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    parser = subparsers.add_parser(
 
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        'version', help="show the program's version number and exit")
 
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    parser.add_argument('foo', action=_VersionAction, nargs='?',
 
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                        help=argparse.SUPPRESS)
 
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    parser = subparsers.add_parser(
 
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        'help',
 
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        usage=help.topic.__doc__,
 
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        help='obtain help for plugins and specific topics')
 
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    parser.set_defaults(func=help.topic)
 
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    parser.add_argument('topic', help='plugin name or topic to get help from')
 
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    parser.add_argument('--devel', action='store_true',
 
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                        help='show the development help')
 
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    # Now run parser
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    if len(sys.argv) < 2: