Translate: migrate published glossaries samples [(#2769)](#2769)

Migrate from tmp-generated-samples branch fef998b
Remove boilerplate
Update copyright date
Blacken
Remove unused imports
Shorten docstrings
Remove CLI

translation/samples/snippets/translate_v3_list_glossary.py

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+# 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
+#
+#     https://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_list_glossary]
+from google.cloud import translate
+
+
+def sample_list_glossaries(project_id="YOUR_PROJECT_ID"):
+    """List Glossaries."""
+
+    client = translate.TranslationServiceClient()
+
+    parent = client.location_path(project_id, "us-central1")
+
+    # Iterate over all results
+    for glossary in client.list_glossaries(parent):
+        print("Name: {}".format(glossary.name))
+        print("Entry count: {}".format(glossary.entry_count))
+        print("Input uri: {}".format(glossary.input_config.gcs_source.input_uri))
+
+        # Note: You can create a glossary using one of two modes:
+        # language_code_set or language_pair. When listing the information for
+        # a glossary, you can only get information for the mode you used
+        # when creating the glossary.
+        for language_code in glossary.language_codes_set.language_codes:
+            print("Language code: {}".format(language_code))
+
+
+# [END translate_v3_list_glossary]

translation/samples/snippets/translate_v3_list_glossary_test.py

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+# 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 translate_v3_create_glossary
+import translate_v3_delete_glossary
+import translate_v3_list_glossary
+import uuid
+
+PROJECT_ID = os.environ["GCLOUD_PROJECT"]
+GLOSSARY_INPUT_URI = "gs://cloud-samples-data/translation/glossary_ja.csv"
+
+
+@pytest.fixture(scope="session")
+def glossary():
+    """Get the ID of a glossary available to session (do not mutate/delete)."""
+    glossary_id = "must-start-with-letters-" + str(uuid.uuid1())
+    translate_v3_create_glossary.create_glossary(
+        PROJECT_ID, GLOSSARY_INPUT_URI, glossary_id
+    )
+
+    yield glossary_id
+
+    try:
+        translate_v3_delete_glossary.sample_delete_glossary(PROJECT_ID, glossary_id)
+    except Exception:
+        pass
+
+
+def test_list_glossary(capsys, glossary):
+    translate_v3_list_glossary.sample_list_glossaries(PROJECT_ID)
+    out, _ = capsys.readouterr()
+    assert glossary in out
+    assert "gs://cloud-samples-data/translation/glossary_ja.csv" in out