Add tts.baidu platform (#10724)

* Add tts.baidu platform

* Update baidu.py

* changed to sync

get_engine and get_tts_audio changed to sync.

.coveragerc

@@ -628,6 +628,7 @@ omit =
     homeassistant/components/telegram_bot/*
     homeassistant/components/thingspeak.py
     homeassistant/components/tts/amazon_polly.py
+    homeassistant/components/tts/baidu.py
     homeassistant/components/tts/microsoft.py
     homeassistant/components/tts/picotts.py
     homeassistant/components/vacuum/roomba.py

homeassistant/components/tts/baidu.py

@@ -0,0 +1,108 @@
+"""
+Support for the baidu speech service.
+
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/tts.baidu/
+"""
+
+import logging
+import voluptuous as vol
+
+from homeassistant.const import CONF_API_KEY
+from homeassistant.components.tts import Provider, PLATFORM_SCHEMA, CONF_LANG
+import homeassistant.helpers.config_validation as cv
+
+
+REQUIREMENTS = ["baidu-aip==1.6.6"]
+
+_LOGGER = logging.getLogger(__name__)
+
+
+SUPPORT_LANGUAGES = [
+    'zh',
+]
+DEFAULT_LANG = 'zh'
+
+
+CONF_APP_ID = 'app_id'
+CONF_SECRET_KEY = 'secret_key'
+CONF_SPEED = 'speed'
+CONF_PITCH = 'pitch'
+CONF_VOLUME = 'volume'
+CONF_PERSON = 'person'
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Optional(CONF_LANG, default=DEFAULT_LANG): vol.In(SUPPORT_LANGUAGES),
+    vol.Required(CONF_APP_ID): cv.string,
+    vol.Required(CONF_API_KEY): cv.string,
+    vol.Required(CONF_SECRET_KEY): cv.string,
+    vol.Optional(CONF_SPEED, default=5): vol.All(
+        vol.Coerce(int), vol.Range(min=0, max=9)),
+    vol.Optional(CONF_PITCH, default=5): vol.All(
+        vol.Coerce(int), vol.Range(min=0, max=9)),
+    vol.Optional(CONF_VOLUME, default=5): vol.All(
+        vol.Coerce(int), vol.Range(min=0, max=15)),
+    vol.Optional(CONF_PERSON, default=0): vol.All(
+        vol.Coerce(int), vol.Range(min=0, max=4)),
+})
+
+
+def get_engine(hass, config):
+    """Set up Baidu TTS component."""
+    return BaiduTTSProvider(hass, config)
+
+
+class BaiduTTSProvider(Provider):
+    """Baidu TTS speech api provider."""
+
+    def __init__(self, hass, conf):
+        """Init Baidu TTS service."""
+        self.hass = hass
+        self._lang = conf.get(CONF_LANG)
+        self._codec = 'mp3'
+        self.name = 'BaiduTTS'
+
+        self._app_data = {
+            'appid': conf.get(CONF_APP_ID),
+            'apikey': conf.get(CONF_API_KEY),
+            'secretkey': conf.get(CONF_SECRET_KEY),
+            }
+
+        self._speech_conf_data = {
+            'spd': conf.get(CONF_SPEED),
+            'pit': conf.get(CONF_PITCH),
+            'vol': conf.get(CONF_VOLUME),
+            'per': conf.get(CONF_PERSON),
+            }
+
+    @property
+    def default_language(self):
+        """Return the default language."""
+        return self._lang
+
+    @property
+    def supported_languages(self):
+        """Return list of supported languages."""
+        return SUPPORT_LANGUAGES
+
+    def get_tts_audio(self, message, language, options=None):
+        """Load TTS from BaiduTTS."""
+        from aip import AipSpeech
+        aip_speech = AipSpeech(
+            self._app_data['appid'],
+            self._app_data['apikey'],
+            self._app_data['secretkey']
+            )
+
+        result = aip_speech.synthesis(
+            message, language, 1, self._speech_conf_data)
+
+        if isinstance(result, dict):
+            _LOGGER.error(
+                "Baidu TTS error-- err_no:%d; err_msg:%s; err_detail:%s",
+                result['err_no'],
+                result['err_msg'],
+                result['err_detail'])
+            return (None, None)
+
+        return (self._codec, result)

requirements_all.txt

@@ -104,6 +104,9 @@ asterisk_mbox==0.4.0
 # homeassistant.components.axis
 axis==14
 
+# homeassistant.components.tts.baidu
+baidu-aip==1.6.6
+
 # homeassistant.components.sensor.modem_callerid
 basicmodem==0.7