def synthesize_multiple(self, text_file, ofp=None, quit_after=None, backwards=False, zero_length=False):
if ofp is None:
handler, output_file_path = gf.tmp_file(suffix=".wav")
else:
handler = None
output_file_path = ofp
try:
rconf = RuntimeConfiguration()
rconf[RuntimeConfiguration.TTS] = u"festival"
rconf[RuntimeConfiguration.TTS_PATH] = u"text2wave"
tts_engine = FESTIVALWrapper(rconf=rconf)
anchors, total_time, num_chars = tts_engine.synthesize_multiple(
text_file,
output_file_path,
quit_after,
backwards
)
gf.delete_file(handler, output_file_path)
if zero_length:
self.assertEqual(total_time, 0.0)
else:
self.assertGreater(total_time, 0.0)
except (OSError, TypeError, UnicodeDecodeError, ValueError) as exc:
gf.delete_file(handler, output_file_path)
raise exc
def synthesize_multiple(self,
text_file,
ofp=None,
quit_after=None,
backwards=False,
zero_length=False):
if ofp is None:
handler, output_file_path = gf.tmp_file(suffix=".wav")
else:
handler = None
output_file_path = ofp
try:
rconf = RuntimeConfiguration()
rconf[RuntimeConfiguration.TTS] = u"festival"
rconf[RuntimeConfiguration.TTS_PATH] = u"text2wave"
tts_engine = FESTIVALWrapper(rconf=rconf)
anchors, total_time, num_chars = tts_engine.synthesize_multiple(
text_file, output_file_path, quit_after, backwards)
gf.delete_file(handler, output_file_path)
if zero_length:
self.assertEqual(total_time, 0.0)
else:
self.assertGreater(total_time, 0.0)
except (OSError, TypeError, UnicodeDecodeError, ValueError) as exc:
gf.delete_file(handler, output_file_path)
raise exc
def synthesize_single(self, text, language, ofp=None, zero_length=False):
if ofp is None:
handler, output_file_path = gf.tmp_file(suffix=".wav")
else:
handler = None
output_file_path = ofp
try:
rconf = RuntimeConfiguration()
rconf[RuntimeConfiguration.TTS] = u"festival"
rconf[RuntimeConfiguration.TTS_PATH] = u"text2wave"
tts_engine = FESTIVALWrapper(rconf=rconf)
result = tts_engine.synthesize_single(text, language, output_file_path)
gf.delete_file(handler, output_file_path)
if zero_length:
self.assertEqual(result, 0)
else:
self.assertGreater(result, 0)
except (OSError, TypeError, UnicodeDecodeError, ValueError) as exc:
gf.delete_file(handler, output_file_path)
raise exc
def synthesize_single(self, text, language, ofp=None, zero_length=False):
if ofp is None:
handler, output_file_path = gf.tmp_file(suffix=".wav")
else:
handler = None
output_file_path = ofp
try:
rconf = RuntimeConfiguration()
rconf[RuntimeConfiguration.TTS] = u"festival"
rconf[RuntimeConfiguration.TTS_PATH] = u"text2wave"
tts_engine = FESTIVALWrapper(rconf=rconf)
result = tts_engine.synthesize_single(text, language,
output_file_path)
gf.delete_file(handler, output_file_path)
if zero_length:
self.assertEqual(result, 0)
else:
self.assertGreater(result, 0)
except (OSError, TypeError, UnicodeDecodeError, ValueError) as exc:
gf.delete_file(handler, output_file_path)
raise exc
def _select_tts_engine(self):
"""
Select the TTS engine to be used by looking at the rconf object.
"""
self.log(u"Selecting TTS engine...")
if self.rconf[RuntimeConfiguration.TTS] == self.CUSTOM:
self.log(u"TTS engine: custom")
tts_path = self.rconf[RuntimeConfiguration.TTS_PATH]
if not gf.file_can_be_read(tts_path):
self.log_exc(u"Cannot read tts_path", None, True, OSError)
try:
import imp
self.log([
u"Loading CustomTTSWrapper module from '%s'...", tts_path
])
imp.load_source("CustomTTSWrapperModule", tts_path)
self.log([
u"Loading CustomTTSWrapper module from '%s'... done",
tts_path
])
self.log(u"Importing CustomTTSWrapper...")
from CustomTTSWrapperModule import CustomTTSWrapper
self.log(u"Importing CustomTTSWrapper... done")
self.log(u"Creating CustomTTSWrapper instance...")
self.tts_engine = CustomTTSWrapper(rconf=self.rconf,
logger=self.logger)
self.log(u"Creating CustomTTSWrapper instance... done")
except Exception as exc:
self.log_exc(u"Unable to load custom TTS wrapper", exc, True,
OSError)
elif self.rconf[RuntimeConfiguration.TTS] == self.FESTIVAL:
self.log(u"TTS engine: Festival")
self.tts_engine = FESTIVALWrapper(rconf=self.rconf,
logger=self.logger)
elif self.rconf[RuntimeConfiguration.TTS] == self.NUANCETTSAPI:
try:
import requests
except ImportError as exc:
self.log_exc(
u"Unable to import requests for Nuance TTS API wrapper",
exc, True, ImportError)
self.log(u"TTS engine: Nuance TTS API")
self.tts_engine = NuanceTTSAPIWrapper(rconf=self.rconf,
logger=self.logger)
else:
self.log(u"TTS engine: eSpeak")
self.tts_engine = ESPEAKWrapper(rconf=self.rconf,
logger=self.logger)
self.log(u"Selecting TTS engine... done")
