Revision f27f1860 tts_bridge/mary/mary_tts_bridge/MaryTTSBridge.py

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tts_bridge/mary/mary_tts_bridge/MaryTTSBridge.py
42 42
except ImportError:
43 43
    from cStringIO import StringIO
44 44

  
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class MaryTTSBridge(object):
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    #_feedback = ttsActionFeedback()
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    #_result   = ttsActionResult()
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class MaryTTSBridge(object):
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    # _feedback = ttsActionFeedback()
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    # _result   = ttsActionResult()
49 49

  
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    def __init__(self, topic, voice="cmu-slt-hsmm", locale="en_GB", tts_host="127.0.0.1", tts_port=59125, loglevel=logging.WARNING):
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	"""initialise
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	:param  loglevel: optional log level
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	"""
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	self.loglevel = loglevel
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	self.logger = logging.getLogger(__name__)
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	# create nice and actually usable formatter and add it to the handler
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	self.config_logger(loglevel)
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	self.logger.info("starting MaryTTSBridge on topic '"+topic+"'")
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	self.tts_client = MaryTTSClient(voice, locale, tts_host, tts_port, loglevel)
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        """initialise
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        :param  loglevel: optional log level
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        """
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        self.loglevel = loglevel
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        self.logger = logging.getLogger(__name__)
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        # create nice and actually usable formatter and add it to the handler
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        self.config_logger(loglevel)
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        self.logger.info("starting MaryTTSBridge on topic '"+topic+"'")
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	rospy.init_node('MaryTTSBridge', anonymous=True)
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	self._action_name = topic
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	self._as = actionlib.SimpleActionServer(self._action_name, ttsAction, execute_cb = self.execute_cb, auto_start = False)
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	self._as.start()
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        self.tts_client = MaryTTSClient(voice, locale, tts_host, tts_port, loglevel)
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        rospy.init_node('MaryTTSBridge', anonymous=True)
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        self._action_name = topic
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        self._as = actionlib.SimpleActionServer(self._action_name, ttsAction, execute_cb = self.execute_cb, auto_start = False)
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        self._as.start()
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    def __del__(self):
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	"""destructor
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	"""
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	self.logger.debug("destructor of MaryTTSBridge called")
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        """destructor
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        """
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        self.logger.debug("destructor of MaryTTSBridge called")
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    def config_logger(self, level):
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	"""initialise a nice logger formatting
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	:param  level: log level
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	"""
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	formatter = logging.Formatter('%(asctime)s %(name)-30s %(levelname)-8s > %(message)s')
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	ch = logging.StreamHandler()
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	#ch.setLevel(level)
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	ch.setFormatter(formatter)
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	self.logger.setLevel(level)
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	self.logger.addHandler(ch)
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        """initialise a nice logger formatting
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        :param  level: log level
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        """
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        formatter = logging.Formatter('%(asctime)s %(name)-30s %(levelname)-8s > %(message)s')
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        ch = logging.StreamHandler()
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        #ch.setLevel(level)
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        ch.setFormatter(formatter)
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        self.logger.setLevel(level)
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        self.logger.addHandler(ch)
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    def create_soundchunk(self, audio_data):
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	#extract wave from data
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	fio = BytesIO(audio_data)
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	wav = wave.open(fio)
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	s = soundchunk()
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	s.channels = wav.getnchannels()
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	s.data = audio_data
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	s.endianess = s.ENDIAN_LITTLE #guessed?!
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	s.rate = wav.getframerate()
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	s.samplecount = wav.getnframes()
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	#sample format:
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	sample_width = wav.getsampwidth()
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	if (sample_width == 1):
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	    s.sample_type = s.SAMPLE_U8
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	elif (sample_width == 2):
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	    s.sample_type = s.SAMPLE_U16
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	elif (sample_width == 3):
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	    s.sample_type = s.SAMPLE_U24
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	else:
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	    self.logger.error("ERROR: invalid sample width "+str(sample_width) + " detected")
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	    s = soundchunk()
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	self.logger.info("created soundchunk with "+str(s.samplecount)+" samples")
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	return s
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        #extract wave from data
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        fio = BytesIO(audio_data)
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        wav = wave.open(fio)
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        s = soundchunk()
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        s.channels = wav.getnchannels()
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        s.data = audio_data
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        s.endianess = s.ENDIAN_LITTLE  # guessed?!
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        s.rate = wav.getframerate()
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        s.samplecount = wav.getnframes()
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        # sample format:
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        sample_width = wav.getsampwidth()
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        if (sample_width == 1):
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            s.sample_type = s.SAMPLE_U8
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        elif (sample_width == 2):
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            s.sample_type = s.SAMPLE_U16
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        elif (sample_width == 3):
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            s.sample_type = s.SAMPLE_U24
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        else:
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            self.logger.error("ERROR: invalid sample width "+str(sample_width) + " detected")
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            s = soundchunk()
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        self.logger.info("created soundchunk with "+str(s.samplecount)+" samples")
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        return s
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    def create_phonemes(self, phoneme_bytes):
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	last = 0.0
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	plist = []
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        last = 0.0
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        plist = []
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	sio = StringIO(phoneme_bytes.decode('ascii'))
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	for line in sio:
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	    if (line[0] != '#'):
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		phoneme_list = line.split(" ")
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        sio = StringIO(phoneme_bytes.decode('ascii'))
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        for line in sio:
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            if (line[0] != '#'):
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                phoneme_list = line.split(" ")
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                if (line == '\n'):
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                    #ignore empty lines
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                    # ignore empty lines
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                    continue
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                elif (len(phoneme_list) != 3):
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                    print("> could not split line '%s' during phoneme seperation\n" % (line))
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                else:
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		    symbol = phoneme_list[2]
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    		    symbol = symbol.rstrip()
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                    symbol = phoneme_list[2]
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                    symbol = symbol.rstrip()
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   		    now = float(phoneme_list[0])
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		    duration = (now - last)*1000
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		    last = now
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		    plist.append(phoneme(symbol, int(duration)))
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                    now = float(phoneme_list[0])
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                    duration = (now - last)*1000
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                    last = now
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                    plist.append(phoneme(symbol, int(duration)))
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	self.logger.info("created phonemelist with " + str(len(plist)) + " elements")
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        self.logger.info("created phonemelist with " + str(len(plist)) + " elements")
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	return plist
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        return plist
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    def create_utterance(self, text, audio_data, phoneme_list):
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	u = utterance()
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	u.text  = text
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	u.audio    = self.create_soundchunk(audio_data)
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	u.phonemes = self.create_phonemes(phoneme_list)
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        u = utterance()
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        u.text     = text
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        u.audio    = self.create_soundchunk(audio_data)
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        u.phonemes = self.create_phonemes(phoneme_list)
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	self.logger.info("created utterance for 'phonemelist with '" + u.text + "'")
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	return u
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        self.logger.info("created utterance for 'phonemelist with '" + u.text + "'")
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        return u
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    def get_error_message(self):
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        data_wav = pkgutil.get_data('mary_tts_bridge', 'data/connection_failed.wav')
......
154 151
        return (data_wav, data_phonemes)
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    def execute_cb(self, goal):
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	self.logger.info("incoming utterance '" + goal.text + "'")
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        self.logger.info("incoming utterance '" + goal.text + "'")
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	success = True
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	result   = ttsResult()
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        success = True
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        result  = ttsResult()
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	#incoming msg, ask mary tts for data:
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	try:
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	    audio     = self.tts_client.generate_audio(goal.text)
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	    phonelist = self.tts_client.generate_phonemes(goal.text)
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        # incoming msg, ask mary tts for data:
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        try:
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            audio     = self.tts_client.generate_audio(goal.text)
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            phonelist = self.tts_client.generate_phonemes(goal.text)
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	except:
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	    self.logger.error("failed to create utterance error = '" + str(sys.exc_info()[1]) + "'")
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            #try to open error message from file:
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        except:
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            self.logger.error("failed to create utterance error = '" + str(sys.exc_info()[1]) + "'")
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            # try to open error message from file:
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            success = True
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            (audio, phonelist) = self.get_error_message()
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	if success:
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	    #build soundchunk
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	    result.utterance = self.create_utterance(goal.text, audio, phonelist)
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	    self._as.set_succeeded(result)
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	else:
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	    self._as.set_aborted(result)
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        if success:
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            # build soundchunk
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            result.utterance = self.create_utterance(goal.text, audio, phonelist)
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            self._as.set_succeeded(result)
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        else:
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            self._as.set_aborted(result)
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    def run(self):
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	#run the main loop
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	rospy.spin()
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        # run the main loop
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        rospy.spin()
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#test code
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# test code
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def main():
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    if (len(sys.argv) != 2):
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	print("> usage: "+sys.argv[0]+" <topic>\n\n")
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	sys.exit(1)
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        print("> usage: "+sys.argv[0]+" <topic>\n\n")
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        sys.exit(1)
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    bridge = MaryTTSBridge(topic=sys.argv[1], loglevel=logging.INFO)
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    bridge.run()

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