automl: add natural language sentiment analysis ga samples

automl/cloud-client/language_sentiment_analysis_create_dataset.py

@@ -0,0 +1,44 @@
+# 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_dataset(project_id, display_name):
+    """Create a dataset."""
+    # [START automl_language_sentiment_analysis_create_dataset]
+    from google.cloud import automl
+
+    # TODO(developer): Uncomment and set the following variables
+    # project_id = "YOUR_PROJECT_ID"
+    # display_name = "YOUR_DATASET_NAME"
+
+    client = automl.AutoMlClient()
+
+    # A resource that represents Google Cloud Platform location.
+    project_location = client.location_path(project_id, "us-central1")
+    metadata = automl.types.TextSentimentDatasetMetadata(
+        sentiment_max=4
+    )  # Possible max sentiment score: 1-10
+    dataset = automl.types.Dataset(
+        display_name=display_name, text_sentiment_dataset_metadata=metadata
+    )
+
+    # Create a dataset with the dataset metadata in the region.
+    response = client.create_dataset(project_location, dataset)
+
+    created_dataset = response.result()
+
+    # Display the dataset information
+    print("Dataset name: {}".format(created_dataset.name))
+    print("Dataset id: {}".format(created_dataset.name.split("/")[-1]))
+    # [END automl_language_sentiment_analysis_create_dataset]

automl/cloud-client/language_sentiment_analysis_create_dataset_test.py

@@ -0,0 +1,41 @@
+# 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 datetime
+import os
+
+from google.cloud import automl
+
+import language_sentiment_analysis_create_dataset
+
+
+PROJECT_ID = os.environ["GCLOUD_PROJECT"]
+
+
+def test_sentiment_analysis_create_dataset(capsys):
+    dataset_name = "test_" + datetime.datetime.now().strftime("%Y%m%d%H%M%S")
+    language_sentiment_analysis_create_dataset.create_dataset(
+        PROJECT_ID, dataset_name
+    )
+    out, _ = capsys.readouterr()
+    assert "Dataset id: " in out
+
+    # Delete the created dataset
+    dataset_id = out.splitlines()[1].split()[2]
+    client = automl.AutoMlClient()
+    dataset_full_id = client.dataset_path(
+        PROJECT_ID, "us-central1", dataset_id
+    )
+    response = client.delete_dataset(dataset_full_id)
+    response.result()

automl/cloud-client/language_sentiment_analysis_create_model.py

@@ -0,0 +1,43 @@
+# 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_model(project_id, dataset_id, display_name):
+    """Create a model."""
+    # [START automl_language_sentiment_analysis_create_model]
+    from google.cloud import automl
+
+    # TODO(developer): Uncomment and set the following variables
+    # project_id = "YOUR_PROJECT_ID"
+    # dataset_id = "YOUR_DATASET_ID"
+    # display_name = "YOUR_MODEL_NAME"
+
+    client = automl.AutoMlClient()
+
+    # A resource that represents Google Cloud Platform location.
+    project_location = client.location_path(project_id, "us-central1")
+    # Leave model unset to use the default base model provided by Google
+    metadata = automl.types.TextSentimentModelMetadata()
+    model = automl.types.Model(
+        display_name=display_name,
+        dataset_id=dataset_id,
+        text_sentiment_model_metadata=metadata,
+    )
+
+    # Create a model with the model metadata in the region.
+    response = client.create_model(project_location, model)
+
+    print("Training operation name: {}".format(response.operation.name))
+    print("Training started...")
+    # [END automl_language_sentiment_analysis_create_model]

automl/cloud-client/language_sentiment_analysis_create_model_test.py

@@ -0,0 +1,37 @@
+# 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.cloud import automl
+import pytest
+
+import language_sentiment_analysis_create_model
+
+PROJECT_ID = os.environ["GCLOUD_PROJECT"]
+DATASET_ID = "TST3960250460385409610"
+
+
+@pytest.mark.slow
+def test_sentiment_analysis_create_model(capsys):
+    language_sentiment_analysis_create_model.create_model(
+        PROJECT_ID, DATASET_ID, "object_test_create_model"
+    )
+    out, _ = capsys.readouterr()
+    assert "Training started" in out
+
+    # Cancel the operation
+    operation_id = out.split("Training operation name: ")[1].split("\n")[0]
+    client = automl.AutoMlClient()
+    client.transport._operations_client.cancel_operation(operation_id)

automl/cloud-client/language_sentiment_analysis_predict.py

@@ -0,0 +1,49 @@
+# 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 predict(project_id, model_id, content):
+    """Predict."""
+    # [START automl_language_sentiment_analysis_predict]
+    from google.cloud import automl
+
+    # TODO(developer): Uncomment and set the following variables
+    # project_id = "YOUR_PROJECT_ID"
+    # model_id = "YOUR_MODEL_ID"
+    # content = "text to predict"
+
+    prediction_client = automl.PredictionServiceClient()
+
+    # Get the full path of the model.
+    model_full_id = prediction_client.model_path(
+        project_id, "us-central1", model_id
+    )
+
+    text_snippet = automl.types.TextSnippet(
+        content=content, mime_type="text/plain"
+    )  # Types: 'text/plain', 'text/html'
+    payload = automl.types.ExamplePayload(text_snippet=text_snippet)
+
+    response = prediction_client.predict(model_full_id, payload)
+
+    for annotation_payload in response.payload:
+        print(
+            "Predicted class name: {}".format(annotation_payload.display_name)
+        )
+        print(
+            "Predicted sentiment score: {}".format(
+                annotation_payload.text_sentiment.sentiment
+            )
+        )
+    # [END automl_language_sentiment_analysis_predict]

automl/cloud-client/language_sentiment_analysis_predict_test.py

@@ -0,0 +1,43 @@
+# 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.cloud import automl
+import pytest
+
+import language_sentiment_analysis_predict
+
+PROJECT_ID = os.environ["GCLOUD_PROJECT"]
+MODEL_ID = "TST8532792392862639819"
+
+
+@pytest.fixture(scope="function")
+def verify_model_state():
+    client = automl.AutoMlClient()
+    model_full_id = client.model_path(PROJECT_ID, "us-central1", MODEL_ID)
+
+    model = client.get_model(model_full_id)
+    if model.deployment_state == automl.enums.Model.DeploymentState.UNDEPLOYED:
+        # Deploy model if it is not deployed
+        response = client.deploy_model(model_full_id)
+        response.result()
+
+
+def test_predict(capsys, verify_model_state):
+    verify_model_state
+    text = "Hopefully this Claritin kicks in soon"
+    language_sentiment_analysis_predict.predict(PROJECT_ID, MODEL_ID, text)
+    out, _ = capsys.readouterr()
+    assert "Predicted sentiment score: " in out