Launch Python debugger while simultaneously executing module as script

Question

When developing a Python package, it\'s very convenient to use the -m option to run modules inside the package as scripts for quick testing. For example, for

Answer 1

Building on @jed's answer, I built this module:

import pdb
import runpy
import sys


def main():
    module = sys.argv[1]
    sys.argv[1:] = sys.argv[2:]
    pdb.runcall(runpy.run_module, module, run_name='__main__')


__name__ == '__main__' and main()

Put that module as mpdb.py anywhere in your Python Path (current directory works), then you may invoke:

python -m mpdb somepackage.somemodule even with args