Retrieve data from obd with python-OBD api

obdtest.py

import argparse
import obd


# Configure cli parser
parser = argparse.ArgumentParser()
parser.add_argument('port', help='enter the OBD port to retrieve data')
parser.add_argument(
    '-d',
    '--debug',
    help='show debug messages',
    action="store_true")
args = parser.parse_args()


# Enable debug messages
if args.debug:
    obd.logger.setLevel(obd.logging.DEBUG)

# Set connection port
PORT = args.port

# Stablish a connection
conn = obd.OBD(PORT)

# Create a commands list
commands = [
    obd.commands.RPM,
    obd.commands.SPEED,
    obd.commands.THROTTLE_POS,
    obd.commands.COOLANT_TEMP]

# Get responses
responses = [conn.query(command) for command in commands]

# Print responses
print('\n'.join(['{}: {}'.format(command.name, response.value)
                 for command, response in zip(commands, responses)]))