def get_object_metadata(self, request):
r"""Retrieves an object's metadata.
Args:
request: (GetRequest) input message
Returns:
(Object) The response message.
"""
kwargs = {'Bucket': request.bucket, 'Key': request.object}
try:
boto_response = self.client.head_object(**kwargs)
except Exception as e:
message = e.response['Error']['Message']
code = e.response['ResponseMetadata']['HTTPStatusCode']
raise messages.S3ClientError(message, code)
item = messages.Item(
boto_response['ETag'],
request.object,
boto_response['LastModified'],
boto_response['ContentLength'],
boto_response['ContentType'])
return item
def get_metadata(self):
last_modified_datetime = None
if self.last_modified:
last_modified_datetime = datetime.datetime.utcfromtimestamp(
self.last_modified)
return messages.Item(self.etag,
self.key,
last_modified_datetime,
len(self.contents),
mime_type=None)
def list(self, request):
r"""Retrieves a list of objects matching the criteria.
Args:
request: (ListRequest) input message
Returns:
(ListResponse) The response message.
"""
kwargs = {'Bucket': request.bucket, 'Prefix': request.prefix}
if request.continuation_token is not None:
kwargs['ContinuationToken'] = request.continuation_token
try:
boto_response = self.client.list_objects_v2(**kwargs)
except Exception as e:
message = e.response['Error']['Message']
code = e.response['ResponseMetadata']['HTTPStatusCode']
raise messages.S3ClientError(message, code)
if boto_response['KeyCount'] == 0:
message = 'Tried to list nonexistent S3 path: s3://%s/%s' % (
request.bucket, request.prefix)
raise messages.S3ClientError(message, 404)
items = [
messages.Item(etag=content['ETag'],
key=content['Key'],
last_modified=content['LastModified'],
size=content['Size'])
for content in boto_response['Contents']
]
try:
next_token = boto_response['NextContinuationToken']
except KeyError:
next_token = None
response = messages.ListResponse(items, next_token)
return response
def get_object_metadata(self, request):
"""Retrieves an object's metadata.
Args:
request: (GetRequest) input message
Returns:
(Object) The response message.
"""
kwargs = {'Bucket': request.bucket, 'Key': request.object}
try:
boto_response = self.client.head_object(**kwargs)
except Exception as e:
raise messages.S3ClientError(str(e), get_http_error_code(e))
item = messages.Item(boto_response['ETag'], request.object,
boto_response['LastModified'],
boto_response['ContentLength'],
boto_response['ContentType'])
return item
