#!/usr/bin/env python
from __future__ import print_function
from dronekit import connect, VehicleMode, LocationGlobalRelative
from pymavlink import mavutil

# Set up option parsing to get connection string
import argparse
parser = argparse.ArgumentParser(description='Commands vehicle using vehicle.simple_goto.')
parser.add_argument('--connect',
                    help="Vehicle connection target string. Required.")

args = parser.parse_args()

connection_string = args.connect

if not connection_string:
	print("Connection argument required.")
	exit()

# Connect to the Vehicle
print('Connecting to vehicle on: %s' % connection_string)
vehicle = connect(connection_string, wait_ready=True)

print(str(vehicle.version))

vehicle.close()