Theargparsemodule makes it easy to write user-friendly command-line interfaces. It parses the defined arguments from thesys.argv. Theargparsemodule also automatically generates help and usage messages, and issue
parser= argparse.ArgumentParser(description='Test command line arguments') parser.add_argument('width', type=int, help='Width of a rectangle') parser.add_argument('height', type=int, help='Height of a rectangle') args=parser.parse_args()print(f'Rectangle: width = {args.width}, height = ...
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()printargs.report 执行脚本: C:\PycharmProjects\p3\src\pyproject1>python argTest.py arg test usage: argTest.py [-h] reportname argTest.py: error: too few arguments C:\PycharmProjects\p3\src\pyproject1>python argTest.py -h arg test usage: argTest.py [-h] repo...
# import the necessary packages import argparse # construct the argument parse and parse the arguments ap = argparse.ArgumentParser() ap.add_argument("-n", "--name", required=True, help="name of the user") args = vars(ap.parse_args()) # display a friendly message to the user print(...
args = parser.parse_args() print(args.test) 然后我们在命令行中运行这个文件 C:\Users\Tony>python t.py --test "I love China" I love China 我们来分析下这段代码,首先就是创建一个参数解析对象赋给parser,然后在parser对象中使用add_argument方法添加参数以及各种选项,其中--test就是参数,这个参数的名...
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) ...
在Python 编程中,我们经常需要处理运行参数(command line arguments),比如从命令行传递一些信息给我们的程序。Python 提供了非常方便的模块来帮助我们处理这些参数,其中argparse是最为常用的库之一。本文将探讨如何使用argparse来处理多行的运行参数,并附带示例代码。
parse_args(argv) options,是一个对象(optpars.Values),保存有命令行参数值。通过命令行参数名,如 file,访问其对应的值: options.file ; args,是一个由positional arguments组成的列表; 例: test.py 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import sys from optparse import OptionParser parser = ...
args = parser.parse_args() print(args.open_file) print(args.save_file) Docopt Docopt can be used to create command line interfaces. fromdocoptimportdocopt if__name__ =='__main__': arguments = docopt(__doc__, version='Example 1.0') ...