human
Complete this python program:
def main():
assistant
#Here is the Python program you requested.

    """Minimal commandline tool to drive pimp.
    """
    import getopt
    def _help():
        print 'Usage:    pimp    [options]    -s    [package    ...]        List    installed    status'
        print '                            pimp    [options]    -l    [package    ...]        Show    package    information'
        print '                            pimp    [options]    -i    package    ...                Install    packages'
        print '                            pimp    -d                                                                                                        Dump    database    to    stdout'
        print '                            pimp    -V                                                                                                        Print    version    number'
        print 'Options:'
        print '                            -v                    Verbose'
        print '                            -f                    Force    installation'
        print '                            -D    dir    Set    destination    directory'
        print ('                                                        (default:    %s)' % DEFAULT_INSTALLDIR)
        print '                            -u    url    URL    for    database'
        sys.exit(1)
    class _Watcher:
        def update(self, msg):
            sys.stderr.write((msg + '\r'))
            return 1
    try:
        (opts, args) = getopt.getopt(sys.argv[1:], 'slifvdD:Vu:')
    except getopt.GetoptError:
        _help()
    if ((not opts) and (not args)):
        _help()
    mode = None
    force = 0
    verbose = 0
    prefargs = {}
    watcher = None
    for (o, a) in opts:
        if (o == '-s'):
            if mode:
                _help()
            mode = 'status'
        if (o == '-l'):
            if mode:
                _help()
            mode = 'list'
        if (o == '-d'):
            if mode:
                _help()
            mode = 'dump'
        if (o == '-V'):
            if mode:
                _help()
            mode = 'version'
        if...