add_argument的类型参数设置为list_of_strings,因此当调用parse_args时,-str-list的字符串值被转换为字符串列表。 importargparse# 为字符串列表定义自定义参数类型deflist_of_strings(arg):returnarg.split(',')# 创建ArgumentParser对象parser = argparse.ArgumentParser()# 为字符串列表添加参数parser.add_argument(...
args - List of strings to parse. The default is taken from sys.argv. namespace - An object to take the attributes. The default is a new empty Namespace object. Option value syntax The parse_args() method supports several ways of specifying the value of an option (if it takes one). ...
args - List of strings to parse. The default is taken from sys.argv. namespace - An object to take the attributes. The default is a new empty Namespace object. Option value syntax The parse_args() method supports several ways of specifying the value of an option (if it takes one). ...
The integers attribute will be a list of one or more integers, and the accumulate attribute will be either the sum() function, if --sum was specified at the command line, or the max() function if it was not. 解析参数 ArgumentParser 通过parse_args() 方法解析参数。它将检查命令行,把每个...
args - List of strings to parse. The default is taken from sys.argv. namespace - An object to take the attributes. The default is a new empty Namespace object. 15.4.4.1. Option value syntax The parse_args() method supports several ways of specifying the value of an option (if it tak...
4 append/append_const list 存储一个列表,并将 const 命名参数指定的值追加到列表中 5 count int 计算一个关键字参数出现的数目或次数 6 help str 打印所有当前解析器中的选项和参数的完整帮助信息,然后退出 7 version str version= 命名参数在 add_argument() 调用中,打印信息并退出 8 2.9 const 参...
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 command-line arguments that should be consumed. ...
-B Add different values to list --version show program's version number and exit $ python argparse_action.py -s value simple_value = value constant_value = None boolean_switch = False collection = [] const_collection = [] $ python argparse_action.py -c ...
Either a name or a list of option strings, e.g. foo or -f, --foo. 用于标识参数的参数,必须有,通常以-或–来表示 1. 2. AI检测代码解析 from argparse import ArgumentParser parse = ArgumentParser.add_argument('--s','-s') 1.
| - option_strings -- A list of command-line option strings which | should be associated with this action. | | - dest -- The name of the attribute to hold the created object(s) | | - nargs -- The number of command-line arguments that should be ...