parser= argparse.ArgumentParser(description='Test command line arguments') group= parser.add_mutually_exclusive_group()#添加互斥组group.add_argument('-b','--big', action='store_true', help='choose big')#在互斥组中添加参数(store_true 默认当命令行未输入参数则为 False,否则为 True)group.add_a...
CommandLineParser parser(argc, argv, keys); bool useCamera = parser.get<bool>("camera"); string file = parser.get<string>("file_name"); VideoCapture cap; bool update_bg_model = true; if( useCamera ) cap.open(0); else cap.open(file.c_str()); parser.printParams(); 1. 2. 3. ...
parser=argparse.ArgumentParser(description='A Python CLI application')parser.add_argument('--name',type=str,help='Your name')args=parser.parse_args()print(f'Welcome to the application,{args.name}!')# Output:# If you run the script like 'python app.py --name Anton', you'll get 'Welcom...
Python getopt module Python getopt module is very similar in working as the Cgetopt()function for parsing command-line parameters. Python getopt module is useful in parsing command line arguments where we want user to enter some options too. Let’s look at a simple example to understand this....
parser.add_argument('n', type=int, help='show n lines from the top') args = parser.parse_args() filename = args.f lines = Path(filename).read_text().splitlines() for line in lines[:args.n]: print(line) The example has two options:ffor a file name and-nfor the number of ...
Getting to Know Command-Line Interfaces Getting Started With CLIs in Python: sys.argv vs argparse Creating Command-Line Interfaces With Python’s argparse Customizing Your Command-Line Argument Parser Fine-Tuning Your Command-Line Arguments and Options Defining Mutually Exclusive Argument and Opti...
本文介绍了一个可以直接用pip安装的python工具包commandline-config,适合经常写python代码跑实验的研究生们,工具可以通过Python原生字典dict(支持嵌套)的形式来写实验的参数配置,同时可以通过命令行传参的方式以及代码直接赋值的方式来修改参数值。同时,工具还有配置拷贝,保存到本地或数据库,传参给函数等功能,以及参数完整...
Opster is a command line options parser, intended to make writing command line applications easy and painless. It uses built-in Python types (lists, dictionaries, etc) to define options, which makes configuration clear and concise. Additionally it contains possibility to handle subcommands (i.e....
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) ...
License argparse Argparse is a feature-rich command line parser for Lua inspired by argparse for Python. Argparse supports positional arguments, options, flags, optional arguments, subcommands and more. Argparse automatically generates usage, help, and error messages, and can generate shell completion ...