def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def _createSocket(self):
        try:
            sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
            self.sock = sock
            return 0
        except socket.error as e:
            sys.stderr.write("[!]\tFailed to create a UDP socket.\n%s.\n" % e)
            return 1