The Spice of Pi - Glenn Blog #9

#!/usr/bin/env python3

import logging

import subprocess

import sys

import aiy.assistant.auth_helpers

import aiy.audio

import aiy.voicehat

from google.assistant.library import Assistant

from google.assistant.library.event import EventType

from gpiozero import AngularServo

import time

logging.basicConfig(

    level=logging.INFO,

    format="[%(asctime)s] %(levelname)s:%(name)s:%(message)s"

)

def power_off_pi():

    aiy.audio.say('Good bye!')

    subprocess.call('sudo shutdown now', shell=True)

def reboot_pi():

    aiy.audio.say('See you in a bit!')

    subprocess.call('sudo reboot', shell=True)

def say_ip():

    ip_address = subprocess.check_output("hostname -I | cut -d' ' -f1", shell=True)

    aiy.audio.say('My IP address is %s' % ip_address.decode('utf-8'))

def get_spice(SpinAngle, LiftAngle):

    spinner=AngularServo(6,min_angle=-180, max_angle=180,frame_width = 10/1000)

    lifter = AngularServo(5,min_angle = -45, max_angle = 30, frame_width = 10/1000)

    spinner.detach()

    lifter.detach()

    lifter.angle = -20

    time.sleep(1)

    spinner.angle = SpinAngle

    print ('Moving platter')

    time.sleep(4)

spinner.detach()

    lifter.angle=LiftAngle

    print ('Lifting bottle')

    time.sleep(1)

lifter.detach()

    print ('Enjoy your spice!')

def process_event(assistant, event):

    status_ui = aiy.voicehat.get_status_ui()

    if event.type == EventType.ON_START_FINISHED:

        status_ui.status('ready')

        if sys.stdout.isatty():

            print('Say "OK, Google" then speak, or press Ctrl+C to quit...')

    elif event.type == EventType.ON_CONVERSATION_TURN_STARTED:

        status_ui.status('listening')

    elif event.type == EventType.ON_RECOGNIZING_SPEECH_FINISHED and event.args:

        print('You said:', event.args['text'])

        text = event.args['text'].lower()

        if text == 'power off':

            assistant.stop_conversation()

            power_off_pi()

        elif text == 'reboot':

            assistant.stop_conversation()

            reboot_pi()

        elif text == 'jar 1':

            assistant.stop_conversation()

            get_spice(-176,-20)

        elif text == 'jar 2':

            assistant.stop_conversation()

            get_spice(-155,-20)

        elif text == 'jar 3':

            assistant.stop_conversation()

            get_spice(-155,20)

        elif text == 'jar 4':

            assistant.stop_conversation()

            get_spice(-135,-20)

        elif text == 'jar 5':

            assistant.stop_conversation()

            get_spice(-113,-20)

        elif text == 'jar 6':

            assistant.stop_conversation()

            get_spice(-113,20)

        elif text == 'jar 7':

            assistant.stop_conversation()

            get_spice(-95,-20)

        elif text == 'jar 8':

            assistant.stop_conversation()

            get_spice(-73,-20)

        elif text == 'jar 9':

            assistant.stop_conversation()

            get_spice(-73,20)

        elif text == 'jar 10':

            assistant.stop_conversation()

            get_spice(-53,-20)

        elif text == 'jar 11':

            assistant.stop_conversation()

            get_spice(-31,-20)

        elif text == 'jar 12':

            assistant.stop_conversation()

            get_spice(-31,20)

        elif text == 'jar 13':

            assistant.stop_conversation()

            get_spice(-18,-20)

        elif text == 'jar 14':

            assistant.stop_conversation()

            get_spice(10,-20)

        elif text == 'jar 15':

            assistant.stop_conversation()

            get_spice(10,20)

        elif text == 'jar 16':

            assistant.stop_conversation()

            get_spice(36,-20)

        elif text == 'jar 17':

            assistant.stop_conversation()

            get_spice(58,-20)

        elif text == 'jar 18':

            assistant.stop_conversation()

            get_spice(58,20)

        elif text == 'jar 19':

            assistant.stop_conversation()

            get_spice(85,-20)

        elif text == 'jar 20':

            assistant.stop_conversation()

            get_spice(107,-20)

        elif text == 'jar 21':

            assistant.stop_conversation()

            get_spice(107,20)

        elif text == 'jar 22':

            assistant.stop_conversation()

            get_spice(129,-20)

        elif text == 'jar 23':

            assistant.stop_conversation()

            get_spice(151,-20)

        elif text == 'jar 24':

            assistant.stop_conversation()

            get_spice(151,20)

    elif event.type == EventType.ON_END_OF_UTTERANCE:

        status_ui.status('thinking')

    elif event.type == EventType.ON_CONVERSATION_TURN_FINISHED:

        status_ui.status('ready')

    elif event.type == EventType.ON_ASSISTANT_ERROR and event.args and event.args['is_fatal']:

        sys.exit(1)

def main():

    credentials = aiy.assistant.auth_helpers.get_assistant_credentials()

    with Assistant(credentials) as assistant:

        for event in assistant.start():

            process_event(assistant, event)

if __name__ == '__main__':

    main()