Example #1
0
    def batch_process_documents(
            self,
            request: document_processor_service.BatchProcessRequest = None,
            *,
            name: str = None,
            retry: retries.Retry = gapic_v1.method.DEFAULT,
            timeout: float = None,
            metadata: Sequence[Tuple[str, str]] = (),
    ) -> operation.Operation:
        r"""LRO endpoint to batch process many documents. The output is
        written to Cloud Storage as JSON in the [Document] format.

        Args:
            request (google.cloud.documentai_v1beta3.types.BatchProcessRequest):
                The request object. Request message for batch process
                document method.
            name (str):
                Required. The processor resource
                name.

                This corresponds to the ``name`` 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.api_core.operation.Operation:
                An object representing a long-running operation.

                The result type for the operation will be
                :class:`google.cloud.documentai_v1beta3.types.BatchProcessResponse`
                Response message for batch process document 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.
        has_flattened_params = any([name])
        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 document_processor_service.BatchProcessRequest.
        # There's no risk of modifying the input as we've already verified
        # there are no flattened fields.
        if not isinstance(request,
                          document_processor_service.BatchProcessRequest):
            request = document_processor_service.BatchProcessRequest(request)
            # If we have keyword arguments corresponding to fields on the
            # request, apply these.
            if name is not None:
                request.name = name

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

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (gapic_v1.routing_header.to_grpc_metadata(
            (("name", request.name), )), )

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

        # Wrap the response in an operation future.
        response = operation.from_gapic(
            response,
            self._transport.operations_client,
            document_processor_service.BatchProcessResponse,
            metadata_type=document_processor_service.BatchProcessMetadata,
        )

        # Done; return the response.
        return response
Example #2
0
    async def batch_process_documents(
        self,
        request: document_processor_service.BatchProcessRequest = None,
        *,
        name: str = None,
        retry: retries.Retry = gapic_v1.method.DEFAULT,
        timeout: float = None,
        metadata: Sequence[Tuple[str, str]] = (),
    ) -> operation_async.AsyncOperation:
        r"""LRO endpoint to batch process many documents. The output is
        written to Cloud Storage as JSON in the [Document] format.

        Args:
            request (:class:`google.cloud.documentai_v1beta3.types.BatchProcessRequest`):
                The request object. Request message for batch process
                document method.
            name (:class:`str`):
                Required. The processor resource
                name.

                This corresponds to the ``name`` 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.api_core.operation_async.AsyncOperation:
                An object representing a long-running operation.

                The result type for the operation will be
                :class:`google.cloud.documentai_v1beta3.types.BatchProcessResponse`
                Response message for batch process document 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.
        has_flattened_params = any([name])
        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."
            )

        request = document_processor_service.BatchProcessRequest(request)

        # If we have keyword arguments corresponding to fields on the
        # request, apply these.

        if name is not None:
            request.name = name

        # Wrap the RPC method; this adds retry and timeout information,
        # and friendly error handling.
        rpc = gapic_v1.method_async.wrap_method(
            self._client._transport.batch_process_documents,
            default_retry=retries.Retry(
                initial=0.1,
                maximum=60.0,
                multiplier=1.3,
                predicate=retries.if_exception_type(
                    exceptions.DeadlineExceeded, exceptions.ServiceUnavailable,
                ),
                deadline=120.0,
            ),
            default_timeout=120.0,
            client_info=DEFAULT_CLIENT_INFO,
        )

        # Certain fields should be provided within the metadata header;
        # add these here.
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("name", request.name),)),
        )

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

        # Wrap the response in an operation future.
        response = operation_async.from_gapic(
            response,
            self._client._transport.operations_client,
            document_processor_service.BatchProcessResponse,
            metadata_type=document_processor_service.BatchProcessMetadata,
        )

        # Done; return the response.
        return response