start/stop charging a tesla using python.

import os
import sys
import teslajson

TESLA_EMAIL = os.environ['TESLA_EMAIL']
TESLA_PASSWORD = os.environ['TESLA_PASSWORD']

if len(sys.argv) !=2 or sys.argv[1] not in ("start", "stop"):
    sys.exit("Usage: %s start|stop" % sys.argv[0])

startstop = sys.argv[1]
connection = teslajson.Connection(TESLA_EMAIL, TESLA_PASSWORD)
vehicle = connection.vehicles[0]
wake_up = vehicle.wake_up()["response"]
if "state" not in wake_up:
    sys.exit("Could not wake up car.")
if wake_up["state"] != "online":
    sys.exit("Car not online.")
print startstop, "charging."
charge = vehicle.command("charge_" + startstop)
if "response" not in charge or "result" not in charge["response"]:
    sys.exit("Car did not respond.")
if charge["response"]["result"]:
    print "OK."
else:
    sys.exit("Car did not %s charging." % startstop)