Raspberry Pi, eSpeak, and MQTT

MQTTSpeak.py

# Setup Raspberry Pi with WiFi
# Install Paho and eSpeak libraries for Raspberry Pi
# Run using "python3 MQTTSpeak.py"

# Import MQTT client.
import os
import time
import paho.mqtt.client as paho

# MQTT credentials
mqtt_username  = 'username' # MQTT client username (if needed)
mqtt_password = '1111' # MQTT client password (if needed)
client_id = '1142' # unique client_id
mqtt_broker = "192.168.1.1" # broker address, usually your HASS IP address
mqtt_port = 1883 # MQTT port 

# Subscribe topics
door_topic  = 'home/notification/door'
motion_topic  = 'home/notification/motion'

# connection event
def on_connect(client, data, flags, rc):
    print('Connected: ' + str(rc))
    client.subscribe('home/notification/#')

def on_message(client, data, msg):
    p = msg.payload.decode()
    print('Message: ' + p) 

def on_message_door(client, data, msg):
    p = msg.payload.decode()
    print('Door: ' + p)
    os.system('espeak -ven-us+f4 -a50 -s210 "' +  p  + '"')

def on_message_motion(client, data, msg):
    p = msg.payload.decode()
    print('Motion: ' + p)
    os.system('espeak -ven-us+f4 -a50 -s210 "' +  p  + '"')

# create the MQTT client
client = paho.Client(client_id=client_id, protocol=paho.MQTTv31) 

# client connection
client.username_pw_set(mqtt_username, mqtt_password)  # MQTT server credentials
client.connect(mqtt_broker, mqtt_port, 60)  # MQTT server address  
client.on_connect = on_connect
# subscribe to multiple topics with callback 
client.message_callback_add(motion_topic, on_message_motion)
client.message_callback_add(door_topic, on_message_door)
client.on_message = on_message
client.loop_forever()

This was for a Pimoroni Speaker pHAT Raspberry Pi Zero

For espeak parameters use this:

http://espeak.sourceforge.net/commands.html