Python server for writing names to a MySQL DB

namewriter.py

import MySQLdb
import argparse

db = MySQLdb.connect(host="192.168.33.10", user="test", passwd="password", db="test")
cursor = db.cursor()

parser = argparse.ArgumentParser(description="Process some strings.")
parser.add_argument("firstname", type=str, help="firstname")
parser.add_argument("lastname", type=str, help="lastname")
args = parser.parse_args()

firstname = args.firstname
lastname = args.lastname

if firstname and lastname:
  try:
    cursor.execute("INSERT INTO test.name (firstname,lastname) VALUES (%s,%s)", (firstname, lastname))
    db.commit()
  except MySQLdb.OperationalError as err:
    db.rollback()
    raise err

cursor.close()
db.close()