add example of creating client with non-default endpoint

tables/automl/automl_tables_set_endpoint.py

@@ -0,0 +1,30 @@
+# 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.
+
+
+def create_client_with_endpoint(gcp_project_id):
+    """Create a Tables client with a non-default endpoint."""
+    # [START automl_set_endpoint]
+    from google.cloud import automl_v1beta1 as automl
+    from google.api_core.client_options import ClientOptions
+
+    # Set the endpoint you want to use via the ClientOptions.
+    # gcp_project_id = 'YOUR_PROJECT_ID'
+    client_options = ClientOptions(api_endpoint="eu-automl.googleapis.com:443")
+    client = automl.TablesClient(
+        project=gcp_project_id, region="eu", client_options=client_options
+    )
+    # [END automl_set_endpoint]
+
+    return client

tables/automl/endpoint_test.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+# 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.
+import os
+
+from google.api_core import exceptions
+import pytest
+
+import automl_tables_set_endpoint
+from google.cloud import automl_v1beta1 as automl
+from google.api_core.client_options import ClientOptions
+
+PROJECT = os.environ["GCLOUD_PROJECT"]
+
+
+def test_client_creation(capsys):
+    client = automl_tables_set_endpoint.create_client_with_endpoint(PROJECT)
+    print(client.list_datasets())
+    out, _ = capsys.readouterr()
+    assert "GRPCIterator" in out