from flask import Flask, send_from_directory
import serial
app = Flask(__name__, static_url_path='')
ser = serial.Serial('/dev/tty.usbmodem1421')
print(ser)

@app.route('/start')
def start():
    return send_from_directory('','start.html')

@app.route('/on')
def on():
    ser.write('r.turnOff();\n')
    return 'on'

@app.route('/off')
def off():
    ser.write('r.turnOn();\n')
    return 'off'

if __name__ == '__main__':
    app.run()