def _find_synapse_to_run(cls, brain, settings, order):
"""
Find the list of the synapse matching the order.
Note: we use named tuples:
tuple_synapse_order = collections.namedtuple('tuple_synapse_matchingOrder',['synapse', 'order'])
:param brain: the brain
:param settings: the settings
:param order: the provided order to match
:return: the list of synapses launched (named tuples)
"""
synapse_to_run = cls._get_matching_synapse_list(brain.synapses, order)
if not synapse_to_run:
Utils.print_info("No synapse match the captured order: %s" % order)
if settings.default_synapse is not None:
default_synapse = cls._get_default_synapse_from_sysnapses_list(
brain.synapses, settings.default_synapse)
if default_synapse is not None:
logger.debug("Default synapse found %s" % default_synapse)
Utils.print_info("Default synapse found: %s, running it" %
default_synapse.name)
tuple_synapse_order = collections.namedtuple(
'tuple_synapse_matchingOrder', ['synapse', 'order'])
synapse_to_run.append(
tuple_synapse_order(synapse=default_synapse, order=""))
return synapse_to_run
def signal_handler(signal, frame):
"""
Used to catch a keyboard signal like Ctrl+C in order to kill the kalliope program
:param signal: signal handler
:param frame: execution frame
"""
print "\n"
Utils.print_info("Ctrl+C pressed. Killing Kalliope")
sys.exit(0)
def start_recording(self):
# pyaudio can work but alsa-lib spiting out error messages, to avoid this I used a method to suppress the messages found on stackoverflow
# https://stackoverflow.com/questions/7088672/pyaudio-working-but-spits-out-error-messages-each-time
with self.noalsaerr():
audio = pyaudio.PyAudio()
FORMAT = pyaudio.paInt32
if self.format == "paInt16":
FORMAT = pyaudio.paInt16
if self.format == "paInt24":
FORMAT = pyaudio.paInt24
stream = audio.open(format=FORMAT,
channels=self.channels,
rate=self.rate,
input=True,
frames_per_buffer=self.chunk)
Utils.print_info("[ Recorder ] Is recording...")
HookManager.on_start_listening()
frames = []
for i in range(0, int(self.rate / self.chunk * self.seconds)):
data = stream.read(self.chunk)
frames.append(data)
stream.stop_stream()
stream.close()
audio.terminate()
HookManager.on_stop_listening()
waveFile = wave.open(self.output, 'wb')
waveFile.setnchannels(2)
waveFile.setsampwidth(audio.get_sample_size(FORMAT))
waveFile.setframerate(self.rate)
waveFile.writeframes(b''.join(frames))
waveFile.close()
Utils.print_info("[ Recorder ] Record saved to %s" % self.output)
if self.playback:
self.playback_file(self.output)
def playback_file(self, output):
if os.path.isfile(output):
Utils.print_info("[ Recorder ] Playback %s" % output)
return self.player.play(output)
else:
if self.file_name == "default.wav":
Utils.print_info("[ Recorder ] Nothing to play")
else:
Utils.print_info("[ Recorder ] %s not found" % output)