def get_bag_checksumming_algorithm(bucket_name, key_path):
for algo in bagit.checksum_algos:
manifest = obj_key(
bucket_name, '%s/manifest-%s.txt' % (key_path, algo))
if manifest is not None:
return algo
return None
def obj_checksums(bucket_name, key_path):
for algo in bagit.checksum_algos:
manifest = obj_key(
bucket_name, '%s/manifest-%s.txt' %
(key_path, algo))
if manifest is not None:
checksums = manifest.get_contents_as_string().strip()
tagmanifest = obj_key(bucket_name, '%s/tagmanifest-%s.txt' %
(key_path, algo))
if tagmanifest is None:
log.critical('Bag tag manifest is not found in object store.')
else:
checksums += '\n' + \
tagmanifest.get_contents_as_string().strip()
log.debug('Retrieved %d checksums from object store.' %
len(checksums))
return algo, checksums
return None, None
