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# Copyright 2022 Google Inc.
#
# 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 auth_cloud_implicit_adc]
from google.cloud import storage
def authenticate_implicit_with_adc(project_id="your-google-cloud-project-id"):
"""
When interacting with Google Cloud Client libraries, the library can auto-detect the
credentials to use.
// TODO(Developer):
// 1. Before running this sample,
// set up ADC as described in https://cloud.google.com/docs/authentication/external/set-up-adc
// 2. Replace the project variable.
// 3. Make sure that the user account or service account that you are using
// has the required permissions. For this sample, you must have "storage.buckets.list".
Args:
project_id: The project id of your Google Cloud project.
"""
# This snippet demonstrates how to list buckets.
# *NOTE*: Replace the client created below with the client required for your application.
# Note that the credentials are not specified when constructing the client.
# Hence, the client library will look for credentials using ADC.
storage_client = storage.Client(project=project_id)
buckets = storage_client.list_buckets()
print("Buckets:")
for bucket in buckets:
print(bucket.name)
print("Listed all storage buckets.")
# [END auth_cloud_implicit_adc]
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