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# Copyright 2019 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.

import typing

if typing.TYPE_CHECKING:

from google.cloud import bigquery

def delete_dataset_labels(dataset_id: str) -> "bigquery.Dataset":

# [START bigquery_delete_label_dataset]

from google.cloud import bigquery

# Construct a BigQuery client object.

client = bigquery.Client()

# TODO(developer): Set dataset_id to the ID of the dataset to fetch.

# dataset_id = "your-project.your_dataset"

dataset = client.get_dataset(dataset_id) # Make an API request.

# To delete a label from a dataset, set its value to None.

dataset.labels["color"] = None

dataset = client.update_dataset(dataset, ["labels"]) # Make an API request.

print("Labels deleted from {}".format(dataset_id))

# [END bigquery_delete_label_dataset]

return dataset