async def test_batch_annotate_images_flattened_async():
    client = ImageAnnotatorAsyncClient(
        credentials=credentials.AnonymousCredentials(), )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.batch_annotate_images),
                           "__call__") as call:
        # Designate an appropriate return value for the call.
        call.return_value = image_annotator.BatchAnnotateImagesResponse()

        call.return_value = grpc_helpers_async.FakeUnaryUnaryCall(
            image_annotator.BatchAnnotateImagesResponse())
        # Call the method with a truthy value for each flattened field,
        # using the keyword arguments to the method.
        response = await client.batch_annotate_images(requests=[
            image_annotator.AnnotateImageRequest(image=image_annotator.Image(
                content=b"content_blob"))
        ], )

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(call.mock_calls)
        _, args, _ = call.mock_calls[0]

        assert args[0].requests == [
            image_annotator.AnnotateImageRequest(image=image_annotator.Image(
                content=b"content_blob"))
        ]
async def test_batch_annotate_images_flattened_error_async():
    client = ImageAnnotatorAsyncClient(
        credentials=credentials.AnonymousCredentials(), )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        await client.batch_annotate_images(
            image_annotator.BatchAnnotateImagesRequest(),
            requests=[
                image_annotator.AnnotateImageRequest(
                    image=image_annotator.Image(content=b"content_blob"))
            ],
        )
Exemplo n.º 3
0
    def batch_annotate_images(
        self,
        request: Union[image_annotator.BatchAnnotateImagesRequest,
                       dict] = None,
        *,
        requests: Sequence[image_annotator.AnnotateImageRequest] = None,
        retry: OptionalRetry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> image_annotator.BatchAnnotateImagesResponse:
        r"""Run image detection and annotation for a batch of
        images.

        Args:
            request (Union[google.cloud.vision_v1p1beta1.types.BatchAnnotateImagesRequest, dict]):
                The request object. Multiple image annotation requests
                are batched into a single service call.
            requests (Sequence[google.cloud.vision_v1p1beta1.types.AnnotateImageRequest]):
                Required. Individual image annotation
                requests for this batch.

                This corresponds to the ``requests`` 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:
            google.cloud.vision_v1p1beta1.types.BatchAnnotateImagesResponse:
                Response to a batch image annotation
                request.

        """
        # 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.
        has_flattened_params = any([requests])
        if request is not None and has_flattened_params:
            raise ValueError("If the `request` argument is set, then none of "
                             "the individual field arguments should be set.")

        # Minor optimization to avoid making a copy if the user passes
        # in a image_annotator.BatchAnnotateImagesRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request, image_annotator.BatchAnnotateImagesRequest):
            request = image_annotator.BatchAnnotateImagesRequest(request)
            if requests is not None:
                for i in range(len(requests)):
                    requests[i] = image_annotator.AnnotateImageRequest(
                        requests[i])
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if requests is not None:
                request.requests = requests

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = self._transport._wrapped_methods[
            self._transport.batch_annotate_images]

        # Send the request.
        response = rpc(
            request,
            retry=retry,
            timeout=timeout,
            metadata=metadata,
        )

        # Done; return the response.
        return response