zstandard: vendor python-zstandard 0.9.0
This was just released. It features a number of goodies. More info at
https://gregoryszorc.com/blog/2018/04/09/release-of-python-zstandard-0.9/.
The clang-format ignore list was updated to reflect the new source
of files.
The project contains a vendored copy of zstandard 1.3.4. The old
version was 1.1.3. One of the changes between those versions is that
zstandard is now dual licensed BSD + GPLv2 and the patent rights grant
has been removed. Good riddance.
The API should be backwards compatible. So no changes in core
should be needed. However, there were a number of changes in the
library that we'll want to adapt to. Those will be addressed in
subsequent commits.
Differential Revision: https://phab.mercurial-scm.org/D3198
from __future__ import unicode_literals
import unittest
import zstandard as zstd
from . common import (
make_cffi,
)
@make_cffi
class TestModuleAttributes(unittest.TestCase):
def test_version(self):
self.assertEqual(zstd.ZSTD_VERSION, (1, 3, 4))
def test_constants(self):
self.assertEqual(zstd.MAX_COMPRESSION_LEVEL, 22)
self.assertEqual(zstd.FRAME_HEADER, b'\x28\xb5\x2f\xfd')
def test_hasattr(self):
attrs = (
'CONTENTSIZE_UNKNOWN',
'CONTENTSIZE_ERROR',
'COMPRESSION_RECOMMENDED_INPUT_SIZE',
'COMPRESSION_RECOMMENDED_OUTPUT_SIZE',
'DECOMPRESSION_RECOMMENDED_INPUT_SIZE',
'DECOMPRESSION_RECOMMENDED_OUTPUT_SIZE',
'MAGIC_NUMBER',
'WINDOWLOG_MIN',
'WINDOWLOG_MAX',
'CHAINLOG_MIN',
'CHAINLOG_MAX',
'HASHLOG_MIN',
'HASHLOG_MAX',
'HASHLOG3_MAX',
'SEARCHLOG_MIN',
'SEARCHLOG_MAX',
'SEARCHLENGTH_MIN',
'SEARCHLENGTH_MAX',
'TARGETLENGTH_MIN',
'LDM_MINMATCH_MIN',
'LDM_MINMATCH_MAX',
'LDM_BUCKETSIZELOG_MAX',
'STRATEGY_FAST',
'STRATEGY_DFAST',
'STRATEGY_GREEDY',
'STRATEGY_LAZY',
'STRATEGY_LAZY2',
'STRATEGY_BTLAZY2',
'STRATEGY_BTOPT',
'STRATEGY_BTULTRA',
'DICT_TYPE_AUTO',
'DICT_TYPE_RAWCONTENT',
'DICT_TYPE_FULLDICT',
)
for a in attrs:
self.assertTrue(hasattr(zstd, a), a)