samples: updates Document AI samples to v1 version of service (#108)

Author: telpirion

documentai/snippets/batch_process_documents_sample_v1beta3.py

@@ -16,7 +16,7 @@
 # [START documentai_batch_process_document]
 import re
 
-from google.cloud import documentai_v1beta3 as documentai
+from google.cloud import documentai_v1 as documentai
 from google.cloud import storage
 
 # TODO(developer): Uncomment these variables before running the sample.
@@ -47,23 +47,25 @@ def batch_process_documents(
 
     destination_uri = f"{gcs_output_uri}/{gcs_output_uri_prefix}/"
 
+    gcs_documents = documentai.GcsDocuments(
+        documents=[{"gcs_uri": gcs_input_uri, "mime_type": "application/pdf"}]
+    )
+
     # 'mime_type' can be 'application/pdf', 'image/tiff',
     # and 'image/gif', or 'application/json'
-    input_config = documentai.types.document_processor_service.BatchProcessRequest.BatchInputConfig(
-        gcs_source=gcs_input_uri, mime_type="application/pdf"
-    )
+    input_config = documentai.BatchDocumentsInputConfig(gcs_documents=gcs_documents)
 
     # Where to write results
-    output_config = documentai.types.document_processor_service.BatchProcessRequest.BatchOutputConfig(
-        gcs_destination=destination_uri
+    output_config = documentai.DocumentOutputConfig(
+        gcs_output_config={"gcs_uri": destination_uri}
     )
 
     # Location can be 'us' or 'eu'
     name = f"projects/{project_id}/locations/{location}/processors/{processor_id}"
     request = documentai.types.document_processor_service.BatchProcessRequest(
         name=name,
-        input_configs=[input_config],
-        output_config=output_config,
+        input_documents=input_config,
+        document_output_config=output_config,
     )
 
     operation = client.batch_process_documents(request)