TTS.py

import time, pyttsx3
import multiprocessing

import global_variables
import constants

def __speak__(text, voiceId, volume):
	if global_variables.voice_assistant:
		global_variables.voice_assistant.app.icon.set_icon(constants.TRAY_ICON_SPEAKING, constants.TRAY_TOOLTIP + ": " + text)
	engine = pyttsx3.init()
	engine.setProperty('volume', volume)
	engine.setProperty('voice', voiceId)
	engine.say(text)
	engine.runAndWait()
	#if global_variables.voice_assistant:
	#	global_variables.voice_assistant.app.icon.set_icon(constants.TRAY_ICON_IDLE, constants.TRAY_TOOLTIP + ": Bereit")
		
class Voice:

	def __init__(self):
		self.process = None
		self.voiceId = "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\Voices\Tokens\TTS_MS_DE-DE_HEDDA_11.0"
		self.volume = 0.5
		
	def say(self, text):
		if self.process:
			self.stop()
		p = multiprocessing.Process(target=__speak__, args=(text, self.voiceId, self.volume))
		p.start()
		self.process = p
		
	def set_voice(self, voiceId):
		self.voiceId = voiceId
		
	def stop(self):
		if self.process:
			self.process.terminate()
			
	def is_busy(self):
		if self.process:
			return self.process.is_alive()
			
	def set_volume(self, volume=0.5):
		self.volume = volume
		
	def get_voice_keys_by_language(self, language=''):
		result = []
		engine = pyttsx3.init()
		voices = engine.getProperty('voices')
		
		lang_search_str = language.upper()+"-"
		
		for voice in voices:
			# HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\Voices\Tokens\TTS_MS_DE-DE_HEDDA_11.0
			if language == '':
				result.append(voice.id)
			elif lang_search_str in voice.id:
				result.append(voice.id)
		return result