def __init__(self):
if self.__instance is not None:
raise Exception("Singleton can't be created twice !")
# Init thread class
threading.Thread.__init__(self)
self._stopevent = threading.Event()
self.configuration = ConfigManagerSingleton.get().getConfiguration()
self.queue = Queue([])
self.lang = "en-EN"
if self.configuration.has_key('lang'):
self.lang = self.configuration['lang']
if self.configuration.has_key("tts") == False or self.configuration["tts"].lower() == "pico"or self.configuration["tts"].lower() == "picotts":
self.engine = "pico"
self.ext = "wav"
elif self.configuration["tts"].lower() == "voicerss" and "voicerss_key" in self.configuration:
self.engine = "voicerss"
self.ext = "ogg"
self.voicerss_key = self.configuration["voicerss_key"]
else:
player.play_block("error_conf")
return
# Init pre-synthetized utterances
self._init_sys_utterance()
# Start thread
threading.Thread.start(self)
def run(self):
"""
Recorder main loop
"""
# Thread loop
while not self._stopevent.isSet():
# Wait queue
if self.queue.empty():
sleep(.1)
continue
# Get message
data = self.queue.get()
filename = soundpath + soundfile + "." + self.ext
# System utterances
if _utterances.has_key(data):
# Randomize a weight
weight = randint(1, sum((msg[0] for msg in _utterances[data])))
for i, msg in enumerate(_utterances[data]):
weight = weight - msg[0]
if weight <= 0:
break
# Create filename
filename = "%s%s_%s_%d.%s" % (soundpath, self.engine, data, i, self.ext.lower())
# Pico TTS
elif self.engine == "pico":
call(['/usr/bin/pico2wave', '-w', filename, '-l', self.lang, '"'+ data + '"'])
# VoiceRSS
elif self.engine == "voicerss":
url = urlopen("http://api.voicerss.org/?%s" % urlencode({"r": 1, "c": self.ext.upper(),
"f": "16khz_16bit_mono",
"key": self.voicerss_key,
"src": data.encode('UTF-8'),
"hl": self.lang}))
with open(os.path.basename(filename), "wb") as f:
f.write(url.read())
# Play synthetized file
if os.path.exists(filename):
log.msg(_("Playing generated TTS").encode('utf8'))
player.play_block(sound = filename, path = soundpath, ext = self.ext)
else:
log.msg(_("There was an error creating the output file %(filename)s" % {'filename': str(filename)}).encode('utf8'))
# Remove message from queue
self.queue.task_done()
