openstack/deb-python-cassandra-driver
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Merge pull request #794 from datastax/python-653

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PYTHON-653: Fix murmur3 on big-endian systems
This commit is contained in:
Alan Boudreault
2017-07-12 10:54:43 -04:00
committed by GitHub
parent c46377d069 b349ecbf69
commit ac0e8eacd7
2 changed files with 4 additions and 1 deletions
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1
CHANGELOG.rst
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@@ -13,6 +13,7 @@ Bug Fixes
* Installation doesn't always fall back to no cython in Windows (PYTHON-763) * Installation doesn't always fall back to no cython in Windows (PYTHON-763)
* Avoid to replace a connection that is supposed to shutdown (PYTHON-772) * Avoid to replace a connection that is supposed to shutdown (PYTHON-772)
* request_ids may not be returned to the pool (PYTHON-739) * request_ids may not be returned to the pool (PYTHON-739)
* Fix murmur3 on big-endian systems (PYTHON-653)
Other Other
----- -----

4
cassandra/murmur3.py
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@@ -7,7 +7,9 @@ def body_and_tail(data):
nblocks = l // 16 nblocks = l // 16
tail = l % 16 tail = l % 16
if nblocks: if nblocks:
return struct.unpack_from('qq' * nblocks, data), struct.unpack_from('b' * tail, data, -tail), l # we use '<', specifying little-endian byte order for data bigger than
# a byte so behavior is the same on little- and big-endian platforms
return struct.unpack_from('<' + ('qq' * nblocks), data), struct.unpack_from('b' * tail, data, -tail), l
else: else:
return tuple(), struct.unpack_from('b' * tail, data, -tail), l return tuple(), struct.unpack_from('b' * tail, data, -tail), l