Python ISO datetime and UNIX timestamp

iso_datetime_to_unix_timestamp.py

import argparse

from datetime import datetime
from dateutil import parser as dparser


def datetime_iso_to_unix(iso_datetime_string):
    target_datetime = dparser.isoparse(iso_datetime_string)
    unix_timestamp = int(target_datetime.timestamp())
    return unix_timestamp


if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('iso_dateteime_string',
                        help='Datetime in ISO format. Ex: 2020-11-04T063546Z')
    args = parser.parse_args()

    timestamp = datetime_iso_to_unix(args.iso_dateteime_string)
    print(timestamp)

    # print local time w/ timezone info
    #print(datetime.fromtimestamp(int(unix_timestamp)).astimezone().isoformat())

    # print local time w/o timezone info
    #print(datetime.fromtimestamp(int(unix_timestamp)).isoformat())

    # print UTC time w/o timezone info
    #print(datetime.utcfromtimestamp(int(unix_timestamp)).isoformat())