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# Copyright 2024 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 argparse

# [START storage_control_managed_folder_list]

from google.cloud import storage_control_v2

def list_managed_folders(bucket_name: str = "your-bucket-name") -> None:

"""Lists all managed folders in a Google Cloud Storage bucket.

Args:

bucket_name: The name of the Google Cloud Storage bucket.

Returns:

None. The function prints the name of each managed folder to the

console.

Example:

>>> list_managed_folders(bucket_name="my-test-bucket")

Managed folders in bucket projects/_/buckets/my-test-bucket:

projects/_/buckets/my-test-bucket/managedFolders/folder-one

projects/_/buckets/my-test-bucket/managedFolders/folder-two

"""

client = storage_control_v2.StorageControlClient()

# The storage bucket path uses the global access pattern,

# in which the "_" denotes this bucket exists in the global namespace.

GLOBAL_NAMESPACE_PATTERN = "_"

bucket_resource_name = f"projects/{GLOBAL_NAMESPACE_PATTERN}/buckets/{bucket_name}"

managed_folders = client.list_managed_folders(parent=bucket_resource_name)

print(f"Managed folders in bucket {bucket_resource_name}:")

for managed_folder in managed_folders:

print(f"\t{managed_folder.name}")

# [END storage_control_managed_folder_list]

if __name__ == "__main__":

parser = argparse.ArgumentParser()

parser.add_argument(

"bucket_name",

help="The name of the GCS bucket.",

)

args = parser.parse_args()

list_managed_folders(args.bucket_name)