Python argparse module is the preferred way to parse command line arguments. It provides a lot of option such as positional arguments, default value for arguments, help message, specifying data type of argument etc. At the very simplest form, we can use it like below. import argparse parser ...
args = parser.parse_args() if args.output: print("This is some output") The example adds one argument having two options: a short-oand a long--ouput. These are optional arguments. import argparse The module is imported. parser.add_argument('-o', '--output', action='store_true', h...
先尝试一个简单的例子,命令为:simple_example.py: 1# import the necessary packages2import argparse34# construct the argument parse and parse the arguments5 ap =argparse.ArgumentParser()6 ap.add_argument("-n","--name", required=True,7 help="name of the user")8 args =vars(ap.parse_args()...
Parsing command-line arguments We have a program here calledadd.pythat uses Python'sargparsemodule to parse two arguments,xandy: importargparseparser=argparse.ArgumentParser()parser.add_argument('x',type=float)parser.add_argument('y',type=float)args=parser.parse_args()print(args.x+args.y) ...
Argparse in Python is a built-in module used to parse command-line arguments. Here’s a simple example of how to use it: importargparse parser=argparse.ArgumentParser()parser.add_argument('--name')args=parser.parse_args()print(args.name)# Output:# Whatever value you passed in with --name...
<repo address>is a command line argument. cloneis a sub-command. Well, that might be a bad example, as I’m not going to use subcommands in my example, but lots of this still applies, even if you are using subcommands. Anyway, loads of applications use command line arguments, also ...
When building Python command-line interfaces (CLI), Python’s argparse module offers a comprehensive solution. You can use argparse to create user-friendly command-line interfaces that parse arguments and options directly from the command line. This tutorial guides you through organizing CLI projects,...
stdin, stdout, stderr = ssh_client.exec_command(cmd)forlineinstdout.readlines():print(line.strip()) ssh.close() 以下代码清单显示了如何登录到目标主机,然后运行ifconfig命令。下一个脚本将建立到本地主机的 SSH 连接,然后运行ifconfig命令,这样我们就可以看到我们正在连接的机器的网络配置。
('-o',dest='outfile',action='store',help='output file')parser.add_argument('--speed',dest='speed',action='store',choices={'slow','fast'},default='slow',help='search speed')args=parser.parse_args()# Output the collected argumentsprint(args.filenames)print(args.patterns)print(args....
)args=parser.parse_args()print(args.list_name)print(args.string_name)print(args.flag)# 终端执行pythontest1.py-l1-s2-f# 输出['1']2True# 调出帮助界面pythontest1.py-h/--helpusage:test1.py[-h][-lLIST_NAME][-sSTRING_NAME][-f1FLAG1][-f]Exampletouseargparseoptionalarguments:-h,--...