arg_1
#!/usr/bin/python #coding=utf-8 import argparse def parse_args(): description = "usage: % prog[options]" parser = argparse.ArgumentParser(description=description) parser.add_argument('addresses', nargs='*', help='help') parser.add_argument('filename', help='help') parser.add_argument('-p', '--port', type=int, help='help') parser.add_argument('--iface', help=help, default='localhost') parser.add_argument('--delay', type=float, help=help, default=.7) parser.add_argument('--bytes', type=int, help=help, default=10) args = parser.parse_args() return args if __name__ == '__main__': args = parse_args() for address in args.addresses: print 'The address is : %s .' % address print 'The filename is : %s .' % args.filename print 'The port is : %d.' % args.port print 'The interface is : %s.' % args.iface print 'The number of seconds between sending bytes : %f' % args.delay print 'The number of bytes to send at a time : %d.' % args.bytes #-p 22 --delay 1.2 127.0.0.1 172.16.55.67 poetry/ecstasy.txt
2.arg_2
#!/usr/bin/python # coding=utf-8 import argparse from argparse import ArgumentParser, RawTextHelpFormatter def get_args(): """实例化类,formatter_class参数允许help信息以自定义的格式显示""" parser = ArgumentParser(description="This is a tool for execute command(s) on remote server(s) or get/put file(s) from/to the remote server(s)\nNotice: please always use '/' as path separater!!!",formatter_class=RawTextHelpFormatter,epilog="Notice:\n If any options use more than once,the last one will overwrite the previous") remote_command = parser.add_argument_group('remote command', 'options for running remote command') remote_command.add_argument('--cmd', metavar='“COMMAND”', dest='cmd',help="command run on remote server,multiple commands sperate by ';'") sftp = parser.add_argument_group('sftp', 'options for running sftp') sftp.add_argument('--put', metavar='', help="transfer from local to remote", nargs=2) sftp.add_argument('--get', metavar='', help="transfer from remote to local", nargs=2) global args args = vars(parser.parse_args()) print args n = 0 for i in ('cmd', 'put', 'get'): if i in args: if args[i] is None: del args[i] else: n += 1 if n > 1: print('\n Only one of the "--cmd --put --get" can be used!') exit(10) if __name__ == '__main__': get_args() if 'cmd' in args: echo_cmd = args['cmd'] print echo_cmd # --cmd uptime --get /home/nginx /home/ngin
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