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A declarative interface to argparse and extras.

Project description

Version 1.0.0

A simple wrapper for argparse that allows commands and arguments to be defined declaratively using decorators. Note that this does not support all the features of argparse yet.

Commando also bundles a few utilities that are useful when building command line applications.

Example

Without commando:

def main():
    parser = argparse.ArgumentParser(description='hyde - a python static website generator',
                                  epilog='Use %(prog)s {command} -h to get help on individual commands')
    parser.add_argument('-v', '--version', action='version', version='%(prog)s ' + __version__)
    parser.add_argument('-s', '--sitepath', action='store', default='.', help="Location of the hyde site")
    subcommands = parser.add_subparsers(title="Hyde commands",
                                     description="Entry points for hyde")
    init_command = subcommands.add_parser('init', help='Create a new hyde site')
    init_command.set_defaults(run=init)
    init_command.add_argument('-t', '--template', action='store', default='basic', dest='template',
                     help='Overwrite the current site if it exists')
    init_command.add_argument('-f', '--force', action='store_true', default=False, dest='force',
                     help='Overwrite the current site if it exists')
    args = parser.parse_args()
    args.run(args)

def init(self, params):
    print params.sitepath
    print params.template
    print params.overwrite

With commando:

class Engine(Application):

    @command(description='hyde - a python static website generator',
            epilog='Use %(prog)s {command} -h to get help on individual commands')
    @param('-v', '--version', action='version', version='%(prog)s ' + __version__)
    @param('-s', '--sitepath', action='store', default='.', help="Location of the hyde site")
    def main(self, params): pass

    @subcommand('init', help='Create a new hyde site')
    @param('-t', '--template', action='store', default='basic', dest='template',
            help='Overwrite the current site if it exists')
    @param('-f', '--force', action='store_true', default=False, dest='overwrite',
            help='Overwrite the current site if it exists')
    def init(self, params):
        print params.sitepath
        print params.template
        print params.overwrite

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