platypush/platypush/plugins/tts/__init__.py

79 lines
2.6 KiB
Python

import urllib.parse
from typing import Optional
from platypush.config import Config
from platypush.context import get_plugin
from platypush.plugins import Plugin, action
from platypush.plugins.media import MediaPlugin
class TtsPlugin(Plugin):
"""
Default Text-to-Speech plugin. It leverages Google Translate.
Requires:
* At least a *media plugin* (see :class:`platypush.plugins.media.MediaPlugin`) enabled/configured - used for
speech playback.
"""
_supported_media_plugins = [
'media.gstreamer',
'media.omxplayer',
'media.mplayer',
'media.mpv',
'media.vlc',
]
def __init__(self, language='en-gb', media_plugin: Optional[str] = None, player_args: Optional[dict] = None):
"""
:param language: Language code (default: ``en-gb``).
:param media_plugin: Media plugin to be used for audio playback. Supported:
- ``media.gstreamer``
- ``media.omxplayer``
- ``media.mplayer``
- ``media.mpv``
- ``media.vlc``
:param player_args: Optional arguments that should be passed to the player plugin's
:meth:`platypush.plugins.media.MediaPlugin.play` method.
"""
super().__init__()
self.language = language
self.player_args = player_args or {}
self.media_plugin = get_plugin(media_plugin) if media_plugin else self._get_media_plugin()
assert self.media_plugin, 'No media playback plugin configured. Supported plugins: [{}]'.format(
', '.join(self._supported_media_plugins))
@classmethod
def _get_media_plugin(cls) -> Optional[MediaPlugin]:
for plugin in cls._supported_media_plugins:
if plugin in Config.get():
return get_plugin(plugin)
@action
def say(self, text: str, language: Optional[str] = None, player_args: Optional[dict] = None):
"""
Say some text.
:param text: Text to say.
:param language: Language code override.
:param player_args: Optional arguments that should be passed to the player plugin's
:meth:`platypush.plugins.media.MediaPlugin.play` method.
"""
language = language or self.language
player_args = player_args or self.player_args
url = 'http://translate.google.com/translate_tts?{}'.format(
urllib.parse.urlencode({
'ie': 'UTF-8',
'client': 'tw-ob',
'tl': language,
'q': text,
}))
self.media_plugin.play(url, **player_args)
# vim:sw=4:ts=4:et: