import subprocess
from sic_framework import SICActuator, SICComponentManager
from sic_framework.core.connector import SICConnector
from sic_framework.core.message_python2 import (
AudioMessage,
SICConfMessage,
SICMessage,
TextMessage,
TextRequest,
)
[docs]
class TextToSpeechConf(SICConfMessage):
"""
Parameters for espeak.
"""
[docs]
def __init__(
self,
amplitude=100,
pitch=50,
speed=175,
gap=0,
voice="en",
):
"""
Initialize espeak configuration.
:param amplitude: Volume (0-200), default 100
:param pitch: Pitch adjustment (0-99), default 50
:param speed: Speed in words per minute, default 175
:param gap: Word gap in 10ms units, default 0
:param voice: Voice to use (e.g., 'en', 'en-us', 'en+f3'), default 'en'
"""
self.amplitude = amplitude
self.pitch = pitch
self.speed = speed
self.gap = gap
self.voice = voice
[docs]
class DesktopTextToSpeechActuator(SICActuator):
"""
Desktop text to speech actuator.
Requires espeak to be installed.
"""
[docs]
def __init__(self, *args, **kwargs):
super(DesktopTextToSpeechActuator, self).__init__(*args, **kwargs)
# Check if espeak is available
try:
subprocess.run(['espeak', '--version'],
capture_output=True,
check=True,
timeout=5)
self.logger.info("espeak is available")
except (subprocess.CalledProcessError, FileNotFoundError, subprocess.TimeoutExpired) as e:
self.logger.warning("espeak not found or not working: {}".format(e))
self.logger.warning("Please install espeak: 'sudo apt-get install espeak' (Linux) or 'brew install espeak' (macOS)")
[docs]
@staticmethod
def get_conf():
return TextToSpeechConf()
[docs]
@staticmethod
def get_inputs():
return [TextMessage, TextRequest]
[docs]
@staticmethod
def get_output():
return SICMessage
[docs]
def _speak(self, text):
"""Use espeak subprocess to speak the text."""
try:
# Build espeak command with parameters
cmd = [
'espeak',
'-a', str(self.params.amplitude), # amplitude (volume)
'-p', str(self.params.pitch), # pitch
'-s', str(self.params.speed), # speed
'-g', str(self.params.gap), # word gap
'-v', self.params.voice, # voice
text
]
self.logger.debug("Running espeak command: {}".format(' '.join(cmd)))
# Run espeak and wait for completion
subprocess.run(cmd, check=True, timeout=30)
except subprocess.CalledProcessError as e:
self.logger.error("espeak command failed: {}".format(e))
except subprocess.TimeoutExpired:
self.logger.error("espeak command timed out")
except FileNotFoundError:
self.logger.error("espeak not found. Please install espeak.")
[docs]
def on_request(self, request):
self.logger.debug("Saying: " + request.text)
self._speak(request.text)
return SICMessage()
[docs]
def on_message(self, message):
self.logger.debug("Saying: " + message.text)
self._speak(message.text)
[docs]
def stop(self, *args):
self._stopped.set()
super(DesktopTextToSpeechActuator, self).stop(*args)
[docs]
class DesktopTextToSpeech(SICConnector):
component_class = DesktopTextToSpeechActuator
if __name__ == "__main__":
SICComponentManager([DesktopTextToSpeechActuator])