feat: add async client (#53)

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packages/google-cloud-texttospeech/docs/conf.py

@@ -43,7 +43,7 @@
 
 # autodoc/autosummary flags
 autoclass_content = "both"
-autodoc_default_flags = ["members"]
+autodoc_default_options = {"members": True}
 autosummary_generate = True
 
 

packages/google-cloud-texttospeech/docs/texttospeech_v1/services.rst

@@ -1,6 +1,6 @@
-Client for Google Cloud Texttospeech API
-========================================
+Services for Google Cloud Texttospeech v1 API
+=============================================
 
-.. automodule:: google.cloud.texttospeech_v1
+.. automodule:: google.cloud.texttospeech_v1.services.text_to_speech
     :members:
     :inherited-members:

packages/google-cloud-texttospeech/docs/texttospeech_v1/types.rst

@@ -1,5 +1,5 @@
-Types for Google Cloud Texttospeech API
-=======================================
+Types for Google Cloud Texttospeech v1 API
+==========================================
 
 .. automodule:: google.cloud.texttospeech_v1.types
     :members:

packages/google-cloud-texttospeech/docs/texttospeech_v1beta1/services.rst

@@ -1,6 +1,6 @@
-Client for Google Cloud Texttospeech API
-========================================
+Services for Google Cloud Texttospeech v1beta1 API
+==================================================
 
-.. automodule:: google.cloud.texttospeech_v1beta1
+.. automodule:: google.cloud.texttospeech_v1beta1.services.text_to_speech
     :members:
     :inherited-members:

packages/google-cloud-texttospeech/docs/texttospeech_v1beta1/types.rst

@@ -1,5 +1,5 @@
-Types for Google Cloud Texttospeech API
-=======================================
+Types for Google Cloud Texttospeech v1beta1 API
+===============================================
 
 .. automodule:: google.cloud.texttospeech_v1beta1.types
     :members:

packages/google-cloud-texttospeech/google/cloud/texttospeech/__init__.py

@@ -15,7 +15,9 @@
 # limitations under the License.
 #
 
-
+from google.cloud.texttospeech_v1.services.text_to_speech.async_client import (
+    TextToSpeechAsyncClient,
+)
 from google.cloud.texttospeech_v1.services.text_to_speech.client import (
     TextToSpeechClient,
 )
@@ -39,6 +41,7 @@
     "SynthesisInput",
     "SynthesizeSpeechRequest",
     "SynthesizeSpeechResponse",
+    "TextToSpeechAsyncClient",
     "TextToSpeechClient",
     "Voice",
     "VoiceSelectionParams",

packages/google-cloud-texttospeech/google/cloud/texttospeech_v1/__init__.py

@@ -15,7 +15,6 @@
 # limitations under the License.
 #
 
-
 from .services.text_to_speech import TextToSpeechClient
 from .types.cloud_tts import AudioConfig
 from .types.cloud_tts import AudioEncoding

packages/google-cloud-texttospeech/google/cloud/texttospeech_v1/services/text_to_speech/__init__.py

@@ -16,5 +16,6 @@
 #
 
 from .client import TextToSpeechClient
+from .async_client import TextToSpeechAsyncClient
 
-__all__ = ("TextToSpeechClient",)
+__all__ = ("TextToSpeechClient", "TextToSpeechAsyncClient")

packages/google-cloud-texttospeech/google/cloud/texttospeech_v1/services/text_to_speech/async_client.py

@@ -0,0 +1,262 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+from collections import OrderedDict
+import functools
+import re
+from typing import Dict, Sequence, Tuple, Type, Union
+import pkg_resources
+
+import google.api_core.client_options as ClientOptions  # type: ignore
+from google.api_core import exceptions  # type: ignore
+from google.api_core import gapic_v1  # type: ignore
+from google.api_core import retry as retries  # type: ignore
+from google.auth import credentials  # type: ignore
+from google.oauth2 import service_account  # type: ignore
+
+from google.cloud.texttospeech_v1.types import cloud_tts
+
+from .transports.base import TextToSpeechTransport
+from .transports.grpc_asyncio import TextToSpeechGrpcAsyncIOTransport
+from .client import TextToSpeechClient
+
+
+class TextToSpeechAsyncClient:
+    """Service that implements Google Cloud Text-to-Speech API."""
+
+    _client: TextToSpeechClient
+
+    DEFAULT_ENDPOINT = TextToSpeechClient.DEFAULT_ENDPOINT
+    DEFAULT_MTLS_ENDPOINT = TextToSpeechClient.DEFAULT_MTLS_ENDPOINT
+
+    from_service_account_file = TextToSpeechClient.from_service_account_file
+    from_service_account_json = from_service_account_file
+
+    get_transport_class = functools.partial(
+        type(TextToSpeechClient).get_transport_class, type(TextToSpeechClient)
+    )
+
+    def __init__(
+        self,
+        *,
+        credentials: credentials.Credentials = None,
+        transport: Union[str, TextToSpeechTransport] = "grpc_asyncio",
+        client_options: ClientOptions = None,
+    ) -> None:
+        """Instantiate the text to speech client.
+
+        Args:
+            credentials (Optional[google.auth.credentials.Credentials]): The
+                authorization credentials to attach to requests. These
+                credentials identify the application to the service; if none
+                are specified, the client will attempt to ascertain the
+                credentials from the environment.
+            transport (Union[str, ~.TextToSpeechTransport]): The
+                transport to use. If set to None, a transport is chosen
+                automatically.
+            client_options (ClientOptions): Custom options for the client. It
+                won't take effect if a ``transport`` instance is provided.
+                (1) The ``api_endpoint`` property can be used to override the
+                default endpoint provided by the client. GOOGLE_API_USE_MTLS
+                environment variable can also be used to override the endpoint:
+                "always" (always use the default mTLS endpoint), "never" (always
+                use the default regular endpoint, this is the default value for
+                the environment variable) and "auto" (auto switch to the default
+                mTLS endpoint if client SSL credentials is present). However,
+                the ``api_endpoint`` property takes precedence if provided.
+                (2) The ``client_cert_source`` property is used to provide client
+                SSL credentials for mutual TLS transport. If not provided, the
+                default SSL credentials will be used if present.
+
+        Raises:
+            google.auth.exceptions.MutualTlsChannelError: If mutual TLS transport
+                creation failed for any reason.
+        """
+
+        self._client = TextToSpeechClient(
+            credentials=credentials, transport=transport, client_options=client_options
+        )
+
+    async def list_voices(
+        self,
+        request: cloud_tts.ListVoicesRequest = None,
+        *,
+        language_code: str = None,
+        retry: retries.Retry = gapic_v1.method.DEFAULT,
+        timeout: float = None,
+        metadata: Sequence[Tuple[str, str]] = (),
+    ) -> cloud_tts.ListVoicesResponse:
+        r"""Returns a list of Voice supported for synthesis.
+
+        Args:
+            request (:class:`~.cloud_tts.ListVoicesRequest`):
+                The request object. The top-level message sent by the
+                client for the `ListVoices` method.
+            language_code (:class:`str`):
+                Optional. Recommended.
+                `BCP-47 <https://www.rfc-editor.org/rfc/bcp/bcp47.txt>`__
+                language tag. If specified, the ListVoices call will
+                only return voices that can be used to synthesize this
+                language_code. E.g. when specifying "en-NZ", you will
+                get supported "en-\*" voices; when specifying "no", you
+                will get supported "no-\*" (Norwegian) and "nb-*"
+                (Norwegian Bokmal) voices; specifying "zh" will also get
+                supported "cmn-*" voices; specifying "zh-hk" will also
+                get supported "yue-\*" voices.
+                This corresponds to the ``language_code`` field
+                on the ``request`` instance; if ``request`` is provided, this
+                should not be set.
+
+            retry (google.api_core.retry.Retry): Designation of what errors, if any,
+                should be retried.
+            timeout (float): The timeout for this request.
+            metadata (Sequence[Tuple[str, str]]): Strings which should be
+                sent along with the request as metadata.
+
+        Returns:
+            ~.cloud_tts.ListVoicesResponse:
+                The message returned to the client by the ``ListVoices``
+                method.
+
+        """
+        # Create or coerce a protobuf request object.
+        # Sanity check: If we got a request object, we should *not* have
+        # gotten any keyword arguments that map to the request.
+        if request is not None and any([language_code]):
+            raise ValueError(
+                "If the `request` argument is set, then none of "
+                "the individual field arguments should be set."
+            )
+
+        request = cloud_tts.ListVoicesRequest(request)
+
+        # If we have keyword arguments corresponding to fields on the
+        # request, apply these.
+
+        if language_code is not None:
+            request.language_code = language_code
+
+        # Wrap the RPC method; this adds retry and timeout information,
+        # and friendly error handling.
+        rpc = gapic_v1.method_async.wrap_method(
+            self._client._transport.list_voices,
+            default_timeout=None,
+            client_info=_client_info,
+        )
+
+        # Send the request.
+        response = await rpc(request, retry=retry, timeout=timeout, metadata=metadata)
+
+        # Done; return the response.
+        return response
+
+    async def synthesize_speech(
+        self,
+        request: cloud_tts.SynthesizeSpeechRequest = None,
+        *,
+        input: cloud_tts.SynthesisInput = None,
+        voice: cloud_tts.VoiceSelectionParams = None,
+        audio_config: cloud_tts.AudioConfig = None,
+        retry: retries.Retry = gapic_v1.method.DEFAULT,
+        timeout: float = None,
+        metadata: Sequence[Tuple[str, str]] = (),
+    ) -> cloud_tts.SynthesizeSpeechResponse:
+        r"""Synthesizes speech synchronously: receive results
+        after all text input has been processed.
+
+        Args:
+            request (:class:`~.cloud_tts.SynthesizeSpeechRequest`):
+                The request object. The top-level message sent by the
+                client for the `SynthesizeSpeech` method.
+            input (:class:`~.cloud_tts.SynthesisInput`):
+                Required. The Synthesizer requires
+                either plain text or SSML as input.
+                This corresponds to the ``input`` field
+                on the ``request`` instance; if ``request`` is provided, this
+                should not be set.
+            voice (:class:`~.cloud_tts.VoiceSelectionParams`):
+                Required. The desired voice of the
+                synthesized audio.
+                This corresponds to the ``voice`` field
+                on the ``request`` instance; if ``request`` is provided, this
+                should not be set.
+            audio_config (:class:`~.cloud_tts.AudioConfig`):
+                Required. The configuration of the
+                synthesized audio.
+                This corresponds to the ``audio_config`` field
+                on the ``request`` instance; if ``request`` is provided, this
+                should not be set.
+
+            retry (google.api_core.retry.Retry): Designation of what errors, if any,
+                should be retried.
+            timeout (float): The timeout for this request.
+            metadata (Sequence[Tuple[str, str]]): Strings which should be
+                sent along with the request as metadata.
+
+        Returns:
+            ~.cloud_tts.SynthesizeSpeechResponse:
+                The message returned to the client by the
+                ``SynthesizeSpeech`` method.
+
+        """
+        # Create or coerce a protobuf request object.
+        # Sanity check: If we got a request object, we should *not* have
+        # gotten any keyword arguments that map to the request.
+        if request is not None and any([input, voice, audio_config]):
+            raise ValueError(
+                "If the `request` argument is set, then none of "
+                "the individual field arguments should be set."
+            )
+
+        request = cloud_tts.SynthesizeSpeechRequest(request)
+
+        # If we have keyword arguments corresponding to fields on the
+        # request, apply these.
+
+        if input is not None:
+            request.input = input
+        if voice is not None:
+            request.voice = voice
+        if audio_config is not None:
+            request.audio_config = audio_config
+
+        # Wrap the RPC method; this adds retry and timeout information,
+        # and friendly error handling.
+        rpc = gapic_v1.method_async.wrap_method(
+            self._client._transport.synthesize_speech,
+            default_timeout=None,
+            client_info=_client_info,
+        )
+
+        # Send the request.
+        response = await rpc(request, retry=retry, timeout=timeout, metadata=metadata)
+
+        # Done; return the response.
+        return response
+
+
+try:
+    _client_info = gapic_v1.client_info.ClientInfo(
+        gapic_version=pkg_resources.get_distribution(
+            "google-cloud-texttospeech"
+        ).version
+    )
+except pkg_resources.DistributionNotFound:
+    _client_info = gapic_v1.client_info.ClientInfo()
+
+
+__all__ = ("TextToSpeechAsyncClient",)