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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
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# limitations under the License.
import zlib
import gzip
from libcloud.utils.py3 import PY3
from libcloud.utils.py3 import StringIO
__all__ = [
'decompress_data'
]
[docs]def decompress_data(compression_type, data):
if compression_type == 'zlib':
return zlib.decompress(data)
elif compression_type == 'gzip':
# TODO: Should export BytesIO as StringIO in libcloud.utils.py3
if PY3:
from io import BytesIO
cls = BytesIO
else:
cls = StringIO
return gzip.GzipFile(fileobj=cls(data)).read()
else:
raise Exception('Invalid or onsupported compression type: %s' %
(compression_type))