/Python/Use argparse to call function and use argument in function

Use argparse to call function and use argument in function

# Parse the subcommand argument first
parser = ArgumentParser(add_help=False)
parser.add_argument("function", 
                    nargs="?",
                    choices=['function1', 'function2', 'function2'],
                    )
parser.add_argument('--help', action='store_true')
args, sub_args = parser.parse_known_args(['--help'])

# Manually handle help
if args.help:
    # If no subcommand was specified, give general help
    if args.function is None: 
        print parser.format_help()
        sys.exit(1)
    # Otherwise pass the help option on to the subcommand
    sub_args.append('--help')

# Manually handle the default for "function"
function = "function1" if args.function is None else args.function

# Parse the remaining args as per the selected subcommand
parser = ArgumentParser(prog="%s %s" % (os.path.basename(sys.argv[0]), function))
if function == "function1":
    parser.add_argument('-a','--a')
    parser.add_argument('-b','--b')
    parser.add_argument('-c','--c')
    args = parser.parse_args(sub_args)
    function1(args.a, args.b, args.c)
elif function == "function2":
    ...
elif function == "function3":
    ...

Source: stackoverflow.com

Similar codes

1 vote198 views1 answer
Django round 2 decimal
Python Django
0 vote164 views1 answer
How to sort values of pandas dataframe for iqr
Python
0 vote172 views1 answer
Take the fibonnocci numbers into a list in python
Python
0 vote184 views1 answer
Minimum of two columns in pandas
Python
0 vote175 views2 answers
Functions in python programming
Python
0 vote230 views1 answer
Django send_mail not working in testcase
Python Django
0 vote229 views1 answer
Group by 2 unique attributes pandas
Python
-1 vote184 views1 answer
How to reduce the image files size in python
Python
1 vote128 views1 answer
Keyerror: 'OUTPUT_PATH'
Python
0 vote190 views2 answers
Python dictionary rename key
Python