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dataset_exists.py
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dataset_exists.py
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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.
def dataset_exists(dataset_id):
# [START bigquery_dataset_exists]
from google.cloud import bigquery
from google.cloud.exceptions import NotFound
client = bigquery.Client()
# TODO(developer): Set dataset_id to the ID of the dataset to determine existence.
# dataset_id = "your-project.your_dataset"
try:
client.get_dataset(dataset_id) # Make an API request.
print("Dataset {} already exists".format(dataset_id))
except NotFound:
print("Dataset {} is not found".format(dataset_id))
# [END bigquery_dataset_exists]