How to implement *args and **kwargs in argparse python

Question

Here is my code

import argparse

parser = argparse.ArgumentParser()

parser.add_argument("required_arg", metavar="username:pass@hostname")
parser.add_argument("--optional_arg", 
                    help="This optional argument should have args and 
                          kwargs implemented in it as I want to make 
                          it flexible eg.
                          it may have optional_arg1, 
                          optional_arg2, key1=value1, key2=value2 or 
                          it may have optional_arg1, key1=value1, 
                          key2=value2, key3=value3")

Can please anyone show me the way to implement *args and **kwargs in this add_argument() section?

Answer 1

I think you may want to look at doing something like this:

parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='subparser')