8000 Add bucket label samples by theacodes · Pull Request #1045 · GoogleCloudPlatform/python-docs-samples · GitHub
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Aug 1, 2017
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Add bucket label samples #1045

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50 changes: 50 additions & 0 deletions storage/cloud-client/snippets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@

import argparse
import datetime
import pprint

from google.cloud import storage

Expand All @@ -42,6 +43,45 @@ def delete_bucket(bucket_name):
print('Bucket {} deleted'.format(bucket.name))


def get_bucket_labels(bucket_name):
"""Prints out a bucket's labels."""
storage_client = storage.Client()
bucket = storage_client.get_bucket(bucket_name)
labels = bucket.labels
pprint.pprint(labels)


def add_bucket_label(bucket_name):
"""Add a label to a bucket."""
storage_client = storage.Client()
bucket = storage_client.get_bucket(bucket_name)

labels = bucket.labels
labels['example'] = 'label'
bucket.labels = labels
bucket.patch()

print('Updated labels on {}.'.format(bucket.name))
pprint.pprint(bucket.labels)


def remove_bucket_label(bucket_name):
"""Remove a label from a bucket."""
storage_client = storage.Client()
bucket = storage_client.get_bucket(bucket_name)

labels = bucket.labels

if 'example' in labels:
del labels['example']

bucket.labels = labels
bucket.patch()

print('Updated labels on {}.'.format(bucket.name))
pprint.pprint(bucket.labels)


def list_blobs(bucket_name):
"""Lists all the blobs in the bucket."""
storage_client = storage.Client()
Expand Down Expand Up @@ -222,6 +262,10 @@ def copy_blob(bucket_name, blob_name, new_bucket_name, new_blob_name):
subparsers = parser.add_subparsers(dest='command')
subparsers.add_parser('create-bucket', help=create_bucket.__doc__)
subparsers.add_parser('delete-bucket', help=delete_bucket.__doc__)
subparsers.add_parser('get-bucket-labels', help=get_bucket_labels.__doc__)
subparsers.add_parser('add-bucket-label', help=add_bucket_label.__doc__)
subparsers.add_parser(
'remove-bucket-label', help=remove_bucket_label.__doc__)
subparsers.add_parser('list', help=list_blobs.__doc__)

list_with_prefix_parser = subparsers.add_parser(
Expand Down Expand Up @@ -268,6 +312,12 @@ def copy_blob(bucket_name, blob_name, new_bucket_name, new_blob_name):
create_bucket(args.bucket_name)
elif args.command == 'delete-bucket':
delete_bucket(args.bucket_name)
if args.command == 'get-bucket-labels':
get_bucket_labels(args.bucket_name)
if args.command == 'add-bucket-label':
add_bucket_label(args.bucket_name)
if args.command == 'remove-bucket-label':
remove_bucket_label(args.bucket_name)
elif args.command == 'list':
list_blobs(args.bucket_name)
elif args.command == 'list-with-prefix':
Expand Down
21 changes: 21 additions & 0 deletions storage/cloud-client/snippets_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,27 @@
BUCKET = os.environ['CLOUD_STORAGE_BUCKET']


def test_get_bucket_labels():
snippets.get_bucket_labels(BUCKET)


def test_add_bucket_label(capsys):
snippets.add_bucket_label(BUCKET)
out, _ = capsys.readouterr()
assert 'example' in out


@pytest.mark.xfail(
reason=(
'https://github.com/GoogleCloudPlatform'
'/google-cloud-python/issues/3711'))
def test_remove_bucket_label(capsys):
snippets.add_bucket_label(BUCKET)
snippets.remove_bucket_label(BUCKET)
out, _ = capsys.readouterr()
assert '{}' in out


@pytest.fixture
def test_blob():
"""Provides a pre-existing blob in the test bucket."""
Expand Down
0