Question

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What's the best way to grab/parse command line arguments passed to a Python script?

I would like to be able to parse command line arguments in my Python 2.6 program.

Ideally, I want to be able to handle these cases:

# Show some help
./myprogram --help

# These are equivalent
./myprogram --block=1
./myprogram -b 1

# This means verbose, and twice as verbose:
./myprogram -v
./myprogram -vv

Answer 1

Check out the argparse module (or optparse for older Python versions).
Note that argparse/optparse are newer, better replacements for getopt, so if you’re new to this they’re the recommended option. From the getopt docs:

Note The getopt module is a parser for command line options whose API is designed to be familiar to users of the C getopt() function. Users who are unfamiliar with the C getopt() function or who would like to write less code and get better help and error messages should consider using the argparse module instead.