Parser for command-line options, arguments and subcommands
2 days ago · The ArgumentParser.add_argument() method attaches individual argument specifications to the parser. It supports positional arguments, options that accept values, and …
Argparse Tutorial — Python 3.13.3 documentation
3 days ago · ArgumentParser parser. add_argument ("square", type = int, help = "display a square of a given number") parser. add_argument ("-v", "--verbosity", type = int, choices = [0, …
Parsing arguments and building values — Python 3.13.3 …
3 days ago · Parsing arguments and building values¶ These functions are useful when creating your own extension functions and methods. Additional information and examples are available …
Migrating optparse code to argparse — Python 3.13.3 …
4 days ago · Replace callback actions and the callback_* keyword arguments with type or action arguments. Replace string names for type keyword arguments with the corresponding type …
getopt — C-style parser for command line options - Python
3 days ago · See Choosing an argument parsing library for additional details. This module provides two functions and an exception: getopt. getopt (args, shortopts, longopts = []) ¶ …
Command Line Interface Libraries — Python 3.13.3 documentation
5 days ago · The modules described in this chapter assist with implementing command line and terminal interfaces for applications. Here’s an overview: argparse — Parser for command-line …
15.4. argparse — 命令行选项、参数和子命令解析器 — Python …
ArgumentParser (prog = 'PROG') >>> parser. add_argument ('--foo', action = 'store_true', help = 'foo help') >>> subparsers = parser. add_subparsers (help = 'sub-command help') >>> >>> # …
Argument Clinic How-To — Python 3.10.17 documentation
Mar 10, 2017 · Argument Clinic is a preprocessor for CPython C files. Its purpose is to automate all the boilerplate involved with writing argument parsing code for “builtins”. This document …
optparse — Parser for command line options - Python
4 days ago · Choosing an argument parsing library¶ The standard library includes three argument parsing libraries: getopt: a module that closely mirrors the procedural C getopt API. Included in …
ast — Abstract Syntax Trees — Python 3.13.3 documentation
2 days ago · An abstract syntax tree can be generated by passing ast.PyCF_ONLY_AST as a flag to the compile() built-in function, or using the parse() helper provided in this module. The result …