Translate: migrate published v3 translate batch samples [(#2914)](#2914)

* Translate: migrate published b v3 tch samples

* added missing requirements

* extended wait time

* inlined some vals and specified input and output

* added link to supported file types & modified default values of input uri

* fixed small nit

Author: munkhuushmgl

translation/samples/snippets/requirements.txt

@@ -1,3 +1,9 @@
+<<<<<<< HEAD
 google-cloud-translate==3.0.0
 google-cloud-storage==1.30.0
 google-cloud-automl==1.0.1
+=======
+google-cloud-translate==2.0.0
+google-cloud-storage==1.19.1
+google-cloud-automl==0.9.0
+>>>>>>> 65dd67b5 (Translate: migrate published  v3 translate batch samples [(#2914)](https://github.com/GoogleCloudPlatform/python-docs-samples/issues/2914))

translation/samples/snippets/translate_v3_batch_translate_text_with_model.py

@@ -0,0 +1,67 @@
+# 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.
+
+
+# [START translate_v3_batch_translate_text_with_model]
+from google.cloud import translate
+
+
+def batch_translate_text_with_model(
+    input_uri="gs://YOUR_BUCKET_ID/path/to/your/file.txt",
+    output_uri="gs://YOUR_BUCKET_ID/path/to/save/results/",
+    project_id="YOUR_PROJECT_ID",
+    model_id="YOUR_MODEL_ID",
+):
+    """Batch translate text using Translation model.
+     Model can be AutoML or General[built-in] model. """
+
+    client = translate.TranslationServiceClient()
+
+    # Supported file types: https://cloud.google.com/translate/docs/supported-formats
+    gcs_source = {"input_uri": input_uri}
+    location = "us-central1"
+
+    input_configs_element = {
+        "gcs_source": gcs_source,
+        "mime_type": "text/plain"  # Can be "text/plain" or "text/html".
+    }
+    gcs_destination = {"output_uri_prefix": output_uri}
+    output_config = {"gcs_destination": gcs_destination}
+    parent = client.location_path(project_id, location)
+
+    model_path = "projects/{}/locations/{}/models/{}".format(
+        project_id, location, model_id  # The location of AutoML model.
+    )
+
+    # Supported language codes: https://cloud.google.com/translate/docs/languages
+    models = {"ja": model_path}  # takes a target lang as key.
+
+    operation = client.batch_translate_text(
+        parent=parent,
+        source_language_code="en",
+        target_language_codes=["ja"],  # Up to 10 language codes here.
+        input_configs=[input_configs_element],
+        output_config=output_config,
+        models=models,
+    )
+
+    print(u"Waiting for operation to complete...")
+    response = operation.result()
+
+    # Display the translation for each input text provided.
+    print(u"Total Characters: {}".format(response.total_characters))
+    print(u"Translated Characters: {}".format(response.translated_characters))
+
+
+# [END translate_v3_batch_translate_text_with_model]

translation/samples/snippets/translate_v3_batch_translate_text_with_model_test.py

@@ -0,0 +1,46 @@
+# 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
+import pytest
+import uuid
+import translate_v3_batch_translate_text_with_model
+from google.cloud import storage
+
+PROJECT_ID = os.environ["GCLOUD_PROJECT"]
+MODEL_ID = "TRL3128559826197068699"
+
+
+@pytest.fixture(scope="function")
+def bucket():
+    """Create a temporary bucket to store annotation output."""
+    bucket_name = str(uuid.uuid1())
+    storage_client = storage.Client()
+    bucket = storage_client.create_bucket(bucket_name)
+
+    yield bucket
+
+    bucket.delete(force=True)
+
+
+def test_batch_translate_text_with_model(capsys, bucket):
+    translate_v3_batch_translate_text_with_model.batch_translate_text_with_model(
+        "gs://cloud-samples-data/translation/custom_model_text.txt",
+        "gs://{}/translation/BATCH_TRANSLATION_OUTPUT/".format(bucket.name),
+        PROJECT_ID,
+        MODEL_ID,
+    )
+    out, _ = capsys.readouterr()
+    assert "Total Characters: 15" in out
+    assert "Translated Characters: 15" in out