python argparse example

argparse_example.py

import argparse

parser = argparse.ArgumentParser(description='Argparse example command')
parser.add_argument('just_string', help='Positional required string argument')
parser.add_argument(
    '--flag', action='store_true', help='Not required boolean argument with default value',
)
parser.add_argument(
    '--value', type=str, default='ok', help='Not required string argument with default value',
)
parser.add_argument(
    '--ids', nargs='+', default=['1', '2'], help='List of ids: "--ids 1 2 3',
)
parser.add_argument(
    '--csv_file', type=str, help='Path to csv, probably you want ergeon/calc/data/values.csv',
)
# parser.add_argument(
#     nargs='+', dest='keys', help='Any number of args without name, at least one is required',
# )

if __name__ == '__main__':
    args = parser.parse_args()
    print('just_string: {0}'.format(args.just_string))
    print('flag: {0}'.format(args.flag))
    print('value: {0}'.format(args.value))
    print('ids: {0}'.format(args.ids))
    print('csv_file: {0}'.format(args.csv_file))