platypush/platypush/backend/assistant/__init__.py

39 lines
1.4 KiB
Python

from abc import ABC
import threading
from typing import Optional, Dict, Any, Tuple
from platypush.backend import Backend
from platypush.context import get_plugin
from platypush.plugins.tts import TtsPlugin
class AssistantBackend(Backend):
def __init__(self, tts_plugin: Optional[str] = None, tts_args: Optional[Dict[str, Any]] = None, **kwargs):
"""
Default assistant backend constructor.
:param tts_plugin: If set, and if the assistant returns the processed response as text, then the processed
response will be played through the selected text-to-speech plugin (can be e.g. "``tts``",
"``tts.google``" or any other implementation of :class:`platypush.plugins.tts.TtsPlugin`).
:param tts_args: Extra parameters to pass to the ``say`` method of the selected TTS plugin (e.g.
language, voice or gender).
"""
super().__init__(**kwargs)
self._detection_paused = threading.Event()
self.tts_plugin = tts_plugin
self.tts_args = tts_args or {}
def pause_detection(self):
self._detection_paused.set()
def resume_detection(self):
self._detection_paused.clear()
def is_detecting(self):
return not self._detection_paused.is_set()
def _get_tts_plugin(self) -> Tuple[Optional[TtsPlugin], Dict[str, Any]]:
return get_plugin(self.tts_plugin) if self.tts_plugin else None, self.tts_args
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