修改google_voice为google合成，解决系统兼容性

voice/google/google_voice.py

@@ -9,9 +9,11 @@ import time
 from bridge.reply import Reply, ReplyType
 import speech_recognition
 import pyttsx3
+from gtts import gTTS
 from common.log import logger
 from common.tmp_dir import TmpDir
 from voice.voice import Voice
+from voice.audio_convert import mp3_to_wav
 
 
 class GoogleVoice(Voice):
@@ -29,8 +31,9 @@ class GoogleVoice(Voice):
 
     def voiceToText(self, voice_file):
         new_file = voice_file.replace('.mp3', '.wav')
-        subprocess.call('ffmpeg -i ' + voice_file +
-                        ' -acodec pcm_s16le -ac 1 -ar 16000 ' + new_file, shell=True)
+        # subprocess.call('ffmpeg -i ' + voice_file +
+        #                 ' -acodec pcm_s16le -ac 1 -ar 16000 ' + new_file, shell=True)
+        mp3_to_wav(voice_file, new_file)
         with speech_recognition.AudioFile(new_file) as source:
             audio = self.recognizer.record(source)
         try:
@@ -46,12 +49,14 @@ class GoogleVoice(Voice):
             return reply
     def textToVoice(self, text):
         try:
-            textFile = TmpDir().path() + '语音回复_' + str(int(time.time())) + '.mp3'
-            self.engine.save_to_file(text, textFile)
-            self.engine.runAndWait()
+            mp3File = TmpDir().path() + '语音回复_' + str(int(time.time())) + '.mp3'
+            # self.engine.save_to_file(text, textFile)
+            # self.engine.runAndWait()
+            tts = gTTS(text=text, lang='zh')
+            tts.save(mp3File)            
             logger.info(
-                '[Google] textToVoice text={} voice file name={}'.format(text, textFile))
-            reply = Reply(ReplyType.VOICE, textFile)
+                '[Google] textToVoice text={} voice file name={}'.format(text, mp3File))
+            reply = Reply(ReplyType.VOICE, mp3File)
         except Exception as e:
             reply = Reply(ReplyType.ERROR, str(e))
         finally: