argparse — Parser for command-line options, arguments and
2 days ago · The argparse module makes it easy to write user-friendly command-line interfaces. The program defines what arguments it requires, and argparse will figure out how to parse those out of sys.argv . The argparse module also automatically generates help and usage messages.
Argparse Tutorial — Python 3.13.3 documentation
3 days ago · Argparse Tutorial¶ author: Tshepang Mbambo. This tutorial is intended to be a gentle introduction to argparse, the recommended command-line parsing module in the Python standard library.
Migrating optparse code to argparse — Python 3.13.3 …
Apr 23, 2025 · Migrating optparse code to argparse ¶ The argparse module offers several higher level features not natively provided by the optparse module, including: Handling positional arguments. Supporting subcommands. Allowing alternative option prefixes like + and /. Handling zero-or-more and one-or-more style arguments. Producing more informative usage ...
getopt — C-style parser for command line options - Python
3 days ago · This module helps scripts to parse the command line arguments in sys.argv. It supports the same conventions as the Unix getopt() function (including the special meanings of arguments of the form ‘ - ’ and ‘ -- ‘).
Command Line Interface Libraries — Python 3.13.3 documentation
4 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 options, arguments and subcommands
Python Documentation contents — Python 3.13.3 documentation
How do I access a module written in Python from C? How do I interface to C++ objects from Python? I added a module using the Setup file and the make fails; why?
What’s New in Python 2.7 — Python 3.13.3 documentation
The argparse module for parsing command-line arguments was added as a more powerful replacement for the optparse module. This means Python now supports three different modules for parsing command-line arguments: getopt , optparse , and argparse .
6. Modules — Python 3.13.3 documentation
2 days ago · A module is a file containing Python definitions and statements. The file name is the module name with the suffix .py appended. Within a module, the module’s name (as a string) is available as the value of the global variable __name__ .
optparse — Parser for command line options - Python
3 days ago · argparse: a more opinionated alternative to optparse that provides more functionality by default, at the expense of reduced application flexibility in controlling exactly how arguments are processed. Included in the standard library since the Python 2.7 and Python 3.2 releases.
10. Brief Tour of the Standard Library — Python 3.13.3 …
import argparse parser = argparse. ArgumentParser ( prog = 'top' , description = 'Show top lines from each file' ) parser . add_argument ( 'filenames' , nargs = '+' ) parser . add_argument ( '-l' , '--lines' , type = int , default = 10 ) args = parser . parse_args () print ( args )