name or flags - Either a name or a list of option strings, e.g. foo or -f, --foo. action - The basic type of action to be taken when this argument is encountered at the command line. nargs - The number of comman
parents_parser = argparse.ArgumentParser(add_help=False) parents_parser.add_argument("-i",help="This test of parents") parser = argparse.ArgumentParser( prog="Anliu", usage="%(prog)s [option]", formatter_class=argparse.RawDescriptionHelpFormatter, description=''' ---begin--- This is test ...
一、argparse传递参数 ArgumentParser.add_argument(name or flags…[, action][, nargs][, const][, default][, type][, choices][, required][, help][, metavar][, dest]) 参数解释: name or flags Either a name or a list of option strings, e.g. foo or -f, --foo. 用于标识参数的参数,...
argparse是Python用于解析命令行参数和选项的标准模块,用于代替已经过时的optparse模块。argparse模块的作用是用于解析 命 令行参数,例如python parseTest.py input.txt output.txt --user=name --port=8080。 argparse讲解 将以下代码保存为prog.py import argparse parser = argparse.ArgumentParser(description='Process ...
The program provides information about running processes. Depending on the provided option, it either lists all running processes or provides more information about a specific one. parser = argparse.ArgumentParser() group = parser.add_mutually_exclusive_group(required=True) ...
Usage: cli [command] [--option] [<argument>] 2.5 必填元素:(required elements) 没被中括号“[]”包裹的所有元素默认都是必填的。但有时候使用小括号“()”将元素包裹住,用以标记必填是有必要的。 比如,要将多个互斥元素进行分组: Usage: my_program (--either-this <and-that> | <or-this>) ...
This argument is identified as either name or flag. So, if you provide a name, then you’ll be defining an argument. In contrast, if you use a flag, then you’ll add an option. You’ve already worked with command-line arguments in argparse. So, consider the following enhanced version...
BPO 9334 Nosy @rhettinger, @cben, @ericvsmith, @orivej, @merwok, @bitdancer, @andersk, @vadmium, @spaceone, @vporton, @maggyero, @tirkarthi, @gaborbernat Files final.patch: patch for issue 9334python-argparse-error.patchargparse_opt.py N...
Usage: my_program (--either-this <and-that> | <or-this>) 另一个例子是,当出现一个参数时,也要求提供另一个参数,那么就可以这么写: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Usage: my_program [(<one-argument> <another-argument>)] 这个例子中 <one-argument> 和<another-argument> ...
If you specify thechoiceskeyword for an argparse option or argument (and don't specify a completer), it will be used for completions. A completer that is initialized with a set of all possible choices of values for its action might look like this: ...