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# Copyright 2021 Catalyst Cloud Ltd.
#
# 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.
def parse_location(location):
storage_url = "/".join(location.split('/')[:-2])
container_name = location.split('/')[-2]
object_name = location.split('/')[-1]
return storage_url, container_name, object_name
def _get_attr(original):
"""Get a friendly name from an object header key."""
key = original.replace('-', '_')
key = key.replace('x_object_meta_', '')
return key
def get_metadata(client, location, extra_attrs=[]):
_, container_name, object_name = parse_location(location)
headers = client.head_object(container_name, object_name)
meta = {}
for key, value in headers.items():
if key.startswith('x-object-meta'):
meta[_get_attr(key)] = value
for key in extra_attrs:
meta[key] = headers.get(key)
return meta
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