Mercurial > hg
annotate contrib/python-zstandard/NEWS.rst @ 40783:e207f0d6c243
perf: update perfindex to be more realistic
The previous code was creating a revlog manually, we now use the actual
`localrepo` method to create it.
We have to jump though extra hops to work around the impact of filecache.
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Fri, 23 Nov 2018 06:03:38 +0100 |
parents | 73fef626dae3 |
children | 675775c33ab6 |
rev | line source |
---|---|
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
1 =============== |
30435
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
2 Version History |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
3 =============== |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
4 |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
5 1.0.0 (not yet released) |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
6 ======================== |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
7 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
8 Actions Blocking Release |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
9 ------------------------ |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
10 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
11 * compression and decompression APIs that support ``io.rawIOBase`` interface |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
12 (#13). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
13 * Refactor module names so C and CFFI extensions live under ``zstandard`` |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
14 package. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
15 * Overall API design review. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
16 * Use Python allocator where possible. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
17 * Figure out what to do about experimental APIs not implemented by CFFI. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
18 * APIs for auto adjusting compression parameters based on input size. e.g. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
19 clamping the window log so it isn't too large for input. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
20 * Consider allowing compressor and decompressor instances to be thread safe, |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
21 support concurrent operations. Or track when an operation is in progress and |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
22 refuse to let concurrent operations use the same instance. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
23 * Support for magic-less frames for all decompression operations (``decompress()`` |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
24 doesn't work due to sniffing the content size and the lack of a ZSTD API to |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
25 sniff magic-less frames - this should be fixed in 1.3.5.). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
26 * Audit for complete flushing when ending compression streams. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
27 * Deprecate legacy APIs. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
28 * Audit for ability to control read/write sizes on all APIs. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
29 * Detect memory leaks via bench.py. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
30 * Remove low-level compression parameters from ``ZstdCompressor.__init__`` and |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
31 require use of ``CompressionParameters``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
32 * Expose ``ZSTD_getFrameProgression()`` from more compressor types. |
40121
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
33 * Support modifying compression parameters mid operation when supported by |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
34 zstd API. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
35 * Expose ``ZSTD_CLEVEL_DEFAULT`` constant. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
36 * Support ``ZSTD_p_forceAttachDict`` compression parameter. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
37 * Use ``ZSTD_CCtx_getParameter()``/``ZSTD_CCtxParam_getParameter()`` for retrieving |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
38 compression parameters. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
39 * Consider exposing ``ZSTDMT_toFlushNow()``. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
40 * Expose ``ZDICT_trainFromBuffer_fastCover()``, |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
41 ``ZDICT_optimizeTrainFromBuffer_fastCover``. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
42 * Expose and enforce ``ZSTD_minCLevel()`` for minimum compression level. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
43 * Consider a ``chunker()`` API for decompression. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
44 * Consider stats for ``chunker()`` API, including finding the last consumed |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
45 offset of input data. |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
46 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
47 Other Actions Not Blocking Release |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
48 --------------------------------------- |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
49 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
50 * Support for block compression APIs. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
51 * API for ensuring max memory ceiling isn't exceeded. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
52 * Move off nose for testing. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
53 |
40121
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
54 0.10.1 (released 2018-10-08) |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
55 ============================ |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
56 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
57 Backwards Compatibility Notes |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
58 ----------------------------- |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
59 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
60 * ``ZstdCompressor.stream_reader().closed`` is now a property instead of a |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
61 method (#58). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
62 * ``ZstdDecompressor.stream_reader().closed`` is now a property instead of a |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
63 method (#58). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
64 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
65 Changes |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
66 ------- |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
67 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
68 * Stop attempting to package Python 3.6 for Miniconda. The latest version of |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
69 Miniconda is using Python 3.7. The Python 3.6 Miniconda packages were a lie |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
70 since this were built against Python 3.7. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
71 * ``ZstdCompressor.stream_reader()``'s and ``ZstdDecompressor.stream_reader()``'s |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
72 ``closed`` attribute is now a read-only property instead of a method. This now |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
73 properly matches the ``IOBase`` API and allows instances to be used in more |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
74 places that accept ``IOBase`` instances. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
75 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
76 0.10.0 (released 2018-10-08) |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
77 ============================ |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
78 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
79 Backwards Compatibility Notes |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
80 ----------------------------- |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
81 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
82 * ``ZstdDecompressor.stream_reader().read()`` now consistently requires an |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
83 argument in both the C and CFFI backends. Before, the CFFI implementation |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
84 would assume a default value of ``-1``, which was later rejected. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
85 * The ``compress_literals`` argument and attribute has been removed from |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
86 ``zstd.ZstdCompressionParameters`` because it was removed by the zstd 1.3.5 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
87 API. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
88 * ``ZSTD_CCtx_setParametersUsingCCtxParams()`` is no longer called on every |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
89 operation performed against ``ZstdCompressor`` instances. The reason for this |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
90 change is that the zstd 1.3.5 API no longer allows this without calling |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
91 ``ZSTD_CCtx_resetParameters()`` first. But if we called |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
92 ``ZSTD_CCtx_resetParameters()`` on every operation, we'd have to redo |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
93 potentially expensive setup when using dictionaries. We now call |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
94 ``ZSTD_CCtx_reset()`` on every operation and don't attempt to change |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
95 compression parameters. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
96 * Objects returned by ``ZstdCompressor.stream_reader()`` no longer need to be |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
97 used as a context manager. The context manager interface still exists and its |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
98 behavior is unchanged. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
99 * Objects returned by ``ZstdDecompressor.stream_reader()`` no longer need to be |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
100 used as a context manager. The context manager interface still exists and its |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
101 behavior is unchanged. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
102 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
103 Bug Fixes |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
104 --------- |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
105 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
106 * ``ZstdDecompressor.decompressobj().decompress()`` should now return all data |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
107 from internal buffers in more scenarios. Before, it was possible for data to |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
108 remain in internal buffers. This data would be emitted on a subsequent call |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
109 to ``decompress()``. The overall output stream would still be valid. But if |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
110 callers were expecting input data to exactly map to output data (say the |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
111 producer had used ``flush(COMPRESSOBJ_FLUSH_BLOCK)`` and was attempting to |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
112 map input chunks to output chunks), then the previous behavior would be |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
113 wrong. The new behavior is such that output from |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
114 ``flush(COMPRESSOBJ_FLUSH_BLOCK)`` fed into ``decompressobj().decompress()`` |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
115 should produce all available compressed input. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
116 * ``ZstdDecompressor.stream_reader().read()`` should no longer segfault after |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
117 a previous context manager resulted in error (#56). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
118 * ``ZstdCompressor.compressobj().flush(COMPRESSOBJ_FLUSH_BLOCK)`` now returns |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
119 all data necessary to flush a block. Before, it was possible for the |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
120 ``flush()`` to not emit all data necessary to fully represent a block. This |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
121 would mean decompressors wouldn't be able to decompress all data that had been |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
122 fed into the compressor and ``flush()``ed. (#55). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
123 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
124 New Features |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
125 ------------ |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
126 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
127 * New module constants ``BLOCKSIZELOG_MAX``, ``BLOCKSIZE_MAX``, |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
128 ``TARGETLENGTH_MAX`` that expose constants from libzstd. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
129 * New ``ZstdCompressor.chunker()`` API for manually feeding data into a |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
130 compressor and emitting chunks of a fixed size. Like ``compressobj()``, the |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
131 API doesn't impose restrictions on the input or output types for the |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
132 data streams. Unlike ``compressobj()``, it ensures output chunks are of a |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
133 fixed size. This makes this API useful when the compressed output is being |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
134 fed into an I/O layer, where uniform write sizes are useful. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
135 * ``ZstdCompressor.stream_reader()`` no longer needs to be used as a context |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
136 manager (#34). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
137 * ``ZstdDecompressor.stream_reader()`` no longer needs to be used as a context |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
138 manager (#34). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
139 * Bundled zstandard library upgraded from 1.3.4 to 1.3.6. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
140 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
141 Changes |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
142 ------- |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
143 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
144 * Added ``zstd_cffi.py`` and ``NEWS.rst`` to ``MANIFEST.in``. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
145 * ``zstandard.__version__`` is now defined (#50). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
146 * Upgrade pip, setuptools, wheel, and cibuildwheel packages to latest versions. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
147 * Upgrade various packages used in CI to latest versions. Notably tox (in |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
148 order to support Python 3.7). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
149 * Use relative paths in setup.py to appease Python 3.7 (#51). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
150 * Added CI for Python 3.7. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
151 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
152 0.9.1 (released 2018-06-04) |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
153 =========================== |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
154 |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
155 * Debian packaging support. |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
156 * Fix typo in setup.py (#44). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
157 * Support building with mingw compiler (#46). |
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
158 |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
159 0.9.0 (released 2018-04-08) |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
160 =========================== |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
161 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
162 Backwards Compatibility Notes |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
163 ----------------------------- |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
164 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
165 * CFFI 1.11 or newer is now required (previous requirement was 1.8). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
166 * The primary module is now ``zstandard``. Please change imports of ``zstd`` |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
167 and ``zstd_cffi`` to ``import zstandard``. See the README for more. Support |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
168 for importing the old names will be dropped in the next release. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
169 * ``ZstdCompressor.read_from()`` and ``ZstdDecompressor.read_from()`` have |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
170 been renamed to ``read_to_iter()``. ``read_from()`` is aliased to the new |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
171 name and will be deleted in a future release. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
172 * Support for Python 2.6 has been removed. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
173 * Support for Python 3.3 has been removed. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
174 * The ``selectivity`` argument to ``train_dictionary()`` has been removed, as |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
175 the feature disappeared from zstd 1.3. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
176 * Support for legacy dictionaries has been removed. Cover dictionaries are now |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
177 the default. ``train_cover_dictionary()`` has effectively been renamed to |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
178 ``train_dictionary()``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
179 * The ``allow_empty`` argument from ``ZstdCompressor.compress()`` has been |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
180 deleted and the method now allows empty inputs to be compressed by default. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
181 * ``estimate_compression_context_size()`` has been removed. Use |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
182 ``CompressionParameters.estimated_compression_context_size()`` instead. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
183 * ``get_compression_parameters()`` has been removed. Use |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
184 ``CompressionParameters.from_level()`` instead. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
185 * The arguments to ``CompressionParameters.__init__()`` have changed. If you |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
186 were using positional arguments before, the positions now map to different |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
187 arguments. It is recommended to use keyword arguments to construct |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
188 ``CompressionParameters`` instances. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
189 * ``TARGETLENGTH_MAX`` constant has been removed (it disappeared from zstandard |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
190 1.3.4). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
191 * ``ZstdCompressor.write_to()`` and ``ZstdDecompressor.write_to()`` have been |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
192 renamed to ``ZstdCompressor.stream_writer()`` and |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
193 ``ZstdDecompressor.stream_writer()``, respectively. The old names are still |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
194 aliased, but will be removed in the next major release. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
195 * Content sizes are written into frame headers by default |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
196 (``ZstdCompressor(write_content_size=True)`` is now the default). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
197 * ``CompressionParameters`` has been renamed to ``ZstdCompressionParameters`` |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
198 for consistency with other types. The old name is an alias and will be removed |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
199 in the next major release. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
200 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
201 Bug Fixes |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
202 --------- |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
203 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
204 * Fixed memory leak in ``ZstdCompressor.copy_stream()`` (#40) (from 0.8.2). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
205 * Fixed memory leak in ``ZstdDecompressor.copy_stream()`` (#35) (from 0.8.2). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
206 * Fixed memory leak of ``ZSTD_DDict`` instances in CFFI's ``ZstdDecompressor``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
207 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
208 New Features |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
209 ------------ |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
210 |
40121
73fef626dae3
zstandard: vendor python-zstandard 0.10.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37495
diff
changeset
|
211 * Bundled zstandard library upgraded from 1.1.3 to 1.3.4. This delivers various |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
212 bug fixes and performance improvements. It also gives us access to newer |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
213 features. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
214 * Support for negative compression levels. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
215 * Support for *long distance matching* (facilitates compression ratios that approach |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
216 LZMA). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
217 * Supporting for reading empty zstandard frames (with an embedded content size |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
218 of 0). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
219 * Support for writing and partial support for reading zstandard frames without a |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
220 magic header. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
221 * New ``stream_reader()`` API that exposes the ``io.RawIOBase`` interface (allows |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
222 you to ``.read()`` from a file-like object). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
223 * Several minor features, bug fixes, and performance enhancements. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
224 * Wheels for Linux and macOS are now provided with releases. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
225 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
226 Changes |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
227 ------- |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
228 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
229 * Functions accepting bytes data now use the buffer protocol and can accept |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
230 more types (like ``memoryview`` and ``bytearray``) (#26). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
231 * Add #includes so compilation on OS X and BSDs works (#20). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
232 * New ``ZstdDecompressor.stream_reader()`` API to obtain a read-only i/o stream |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
233 of decompressed data for a source. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
234 * New ``ZstdCompressor.stream_reader()`` API to obtain a read-only i/o stream of |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
235 compressed data for a source. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
236 * Renamed ``ZstdDecompressor.read_from()`` to ``ZstdDecompressor.read_to_iter()``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
237 The old name is still available. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
238 * Renamed ``ZstdCompressor.read_from()`` to ``ZstdCompressor.read_to_iter()``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
239 ``read_from()`` is still available at its old location. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
240 * Introduce the ``zstandard`` module to import and re-export the C or CFFI |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
241 *backend* as appropriate. Behavior can be controlled via the |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
242 ``PYTHON_ZSTANDARD_IMPORT_POLICY`` environment variable. See README for |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
243 usage info. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
244 * Vendored version of zstd upgraded to 1.3.4. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
245 * Added module constants ``CONTENTSIZE_UNKNOWN`` and ``CONTENTSIZE_ERROR``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
246 * Add ``STRATEGY_BTULTRA`` compression strategy constant. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
247 * Switch from deprecated ``ZSTD_getDecompressedSize()`` to |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
248 ``ZSTD_getFrameContentSize()`` replacement. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
249 * ``ZstdCompressor.compress()`` can now compress empty inputs without requiring |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
250 special handling. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
251 * ``ZstdCompressor`` and ``ZstdDecompressor`` now have a ``memory_size()`` |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
252 method for determining the current memory utilization of the underlying zstd |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
253 primitive. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
254 * ``train_dictionary()`` has new arguments and functionality for trying multiple |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
255 variations of COVER parameters and selecting the best one. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
256 * Added module constants ``LDM_MINMATCH_MIN``, ``LDM_MINMATCH_MAX``, and |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
257 ``LDM_BUCKETSIZELOG_MAX``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
258 * Converted all consumers to the zstandard *new advanced API*, which uses |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
259 ``ZSTD_compress_generic()`` |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
260 * ``CompressionParameters.__init__`` now accepts several more arguments, |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
261 including support for *long distance matching*. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
262 * ``ZstdCompressionDict.__init__`` now accepts a ``dict_type`` argument that |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
263 controls how the dictionary should be interpreted. This can be used to |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
264 force the use of *content-only* dictionaries or to require the presence |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
265 of the dictionary magic header. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
266 * ``ZstdCompressionDict.precompute_compress()`` can be used to precompute the |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
267 compression dictionary so it can efficiently be used with multiple |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
268 ``ZstdCompressor`` instances. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
269 * Digested dictionaries are now stored in ``ZstdCompressionDict`` instances, |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
270 created automatically on first use, and automatically reused by all |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
271 ``ZstdDecompressor`` instances bound to that dictionary. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
272 * All meaningful functions now accept keyword arguments. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
273 * ``ZstdDecompressor.decompressobj()`` now accepts a ``write_size`` argument |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
274 to control how much work to perform on every decompressor invocation. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
275 * ``ZstdCompressor.write_to()`` now exposes a ``tell()``, which exposes the |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
276 total number of bytes written so far. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
277 * ``ZstdDecompressor.stream_reader()`` now supports ``seek()`` when moving |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
278 forward in the stream. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
279 * Removed ``TARGETLENGTH_MAX`` constant. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
280 * Added ``frame_header_size(data)`` function. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
281 * Added ``frame_content_size(data)`` function. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
282 * Consumers of ``ZSTD_decompress*`` have been switched to the new *advanced |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
283 decompression* API. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
284 * ``ZstdCompressor`` and ``ZstdCompressionParams`` can now be constructed with |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
285 negative compression levels. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
286 * ``ZstdDecompressor`` now accepts a ``max_window_size`` argument to limit the |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
287 amount of memory required for decompression operations. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
288 * ``FORMAT_ZSTD1`` and ``FORMAT_ZSTD1_MAGICLESS`` constants to be used with |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
289 the ``format`` compression parameter to control whether the frame magic |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
290 header is written. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
291 * ``ZstdDecompressor`` now accepts a ``format`` argument to control the |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
292 expected frame format. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
293 * ``ZstdCompressor`` now has a ``frame_progression()`` method to return |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
294 information about the current compression operation. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
295 * Error messages in CFFI no longer have ``b''`` literals. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
296 * Compiler warnings and underlying overflow issues on 32-bit platforms have been |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
297 fixed. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
298 * Builds in CI now build with compiler warnings as errors. This should hopefully |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
299 fix new compiler warnings from being introduced. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
300 * Make ``ZstdCompressor(write_content_size=True)`` and |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
301 ``CompressionParameters(write_content_size=True)`` the default. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
302 * ``CompressionParameters`` has been renamed to ``ZstdCompressionParameters``. |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
303 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
304 0.8.2 (released 2018-02-22) |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
305 --------------------------- |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
306 |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
307 * Fixed memory leak in ``ZstdCompressor.copy_stream()`` (#40). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
308 * Fixed memory leak in ``ZstdDecompressor.copy_stream()`` (#35). |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
309 |
31847
39d36c2db68e
zstd: vendor python-zstandard 0.8.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31796
diff
changeset
|
310 0.8.1 (released 2017-04-08) |
39d36c2db68e
zstd: vendor python-zstandard 0.8.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31796
diff
changeset
|
311 --------------------------- |
39d36c2db68e
zstd: vendor python-zstandard 0.8.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31796
diff
changeset
|
312 |
39d36c2db68e
zstd: vendor python-zstandard 0.8.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31796
diff
changeset
|
313 * Add #includes so compilation on OS X and BSDs works (#20). |
39d36c2db68e
zstd: vendor python-zstandard 0.8.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31796
diff
changeset
|
314 |
31796
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
315 0.8.0 (released 2017-03-08) |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
316 =========================== |
31796
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
317 |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
318 * CompressionParameters now has a estimated_compression_context_size() method. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
319 zstd.estimate_compression_context_size() is now deprecated and slated for |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
320 removal. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
321 * Implemented a lot of fuzzing tests. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
322 * CompressionParameters instances now perform extra validation by calling |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
323 ZSTD_checkCParams() at construction time. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
324 * multi_compress_to_buffer() API for compressing multiple inputs as a |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
325 single operation, as efficiently as possible. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
326 * ZSTD_CStream instances are now used across multiple operations on |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
327 ZstdCompressor instances, resulting in much better performance for |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
328 APIs that do streaming. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
329 * ZSTD_DStream instances are now used across multiple operations on |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
330 ZstdDecompressor instances, resulting in much better performance for |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
331 APIs that do streaming. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
332 * train_dictionary() now releases the GIL. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
333 * Support for training dictionaries using the COVER algorithm. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
334 * multi_decompress_to_buffer() API for decompressing multiple frames as a |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
335 single operation, as efficiently as possible. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
336 * Support for multi-threaded compression. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
337 * Disable deprecation warnings when compiling CFFI module. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
338 * Fixed memory leak in train_dictionary(). |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
339 * Removed DictParameters type. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
340 * train_dictionary() now accepts keyword arguments instead of a |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
341 DictParameters instance to control dictionary generation. |
e0dc40530c5a
zstd: vendor python-zstandard 0.8.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30895
diff
changeset
|
342 |
30895
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
343 0.7.0 (released 2017-02-07) |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
344 =========================== |
30895
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
345 |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
346 * Added zstd.get_frame_parameters() to obtain info about a zstd frame. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
347 * Added ZstdDecompressor.decompress_content_dict_chain() for efficient |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
348 decompression of *content-only dictionary chains*. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
349 * CFFI module fully implemented; all tests run against both C extension and |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
350 CFFI implementation. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
351 * Vendored version of zstd updated to 1.1.3. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
352 * Use ZstdDecompressor.decompress() now uses ZSTD_createDDict_byReference() |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
353 to avoid extra memory allocation of dict data. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
354 * Add function names to error messages (by using ":name" in PyArg_Parse* |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
355 functions). |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
356 * Reuse decompression context across operations. Previously, we created a |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
357 new ZSTD_DCtx for each decompress(). This was measured to slow down |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
358 decompression by 40-200MB/s. The API guarantees say ZstdDecompressor |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
359 is not thread safe. So we reuse the ZSTD_DCtx across operations and make |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
360 things faster in the process. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
361 * ZstdCompressor.write_to()'s compress() and flush() methods now return number |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
362 of bytes written. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
363 * ZstdDecompressor.write_to()'s write() method now returns the number of bytes |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
364 written to the underlying output object. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
365 * CompressionParameters instances now expose their values as attributes. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
366 * CompressionParameters instances no longer are subscriptable nor behave |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
367 as tuples (backwards incompatible). Use attributes to obtain values. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
368 * DictParameters instances now expose their values as attributes. |
c32454d69b85
zstd: vendor python-zstandard 0.7.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30822
diff
changeset
|
369 |
30822
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
370 0.6.0 (released 2017-01-14) |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
371 =========================== |
30822
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
372 |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
373 * Support for legacy zstd protocols (build time opt in feature). |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
374 * Automation improvements to test against Python 3.6, latest versions |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
375 of Tox, more deterministic AppVeyor behavior. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
376 * CFFI "parser" improved to use a compiler preprocessor instead of rewriting |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
377 source code manually. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
378 * Vendored version of zstd updated to 1.1.2. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
379 * Documentation improvements. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
380 * Introduce a bench.py script for performing (crude) benchmarks. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
381 * ZSTD_CCtx instances are now reused across multiple compress() operations. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
382 * ZstdCompressor.write_to() now has a flush() method. |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
383 * ZstdCompressor.compressobj()'s flush() method now accepts an argument to |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
384 flush a block (as opposed to ending the stream). |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
385 * Disallow compress(b'') when writing content sizes by default (issue #11). |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
386 |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
387 0.5.2 (released 2016-11-12) |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
388 =========================== |
30822
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
389 |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
390 * more packaging fixes for source distribution |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
391 |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
392 0.5.1 (released 2016-11-12) |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
393 =========================== |
30822
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
394 |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
395 * setup_zstd.py is included in the source distribution |
b54a2984cdd4
zstd: vendor python-zstandard 0.6.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30435
diff
changeset
|
396 |
30435
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
397 0.5.0 (released 2016-11-10) |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
398 =========================== |
30435
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
399 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
400 * Vendored version of zstd updated to 1.1.1. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
401 * Continuous integration for Python 3.6 and 3.7 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
402 * Continuous integration for Conda |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
403 * Added compression and decompression APIs providing similar interfaces |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
404 to the standard library ``zlib`` and ``bz2`` modules. This allows |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
405 coding to a common interface. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
406 * ``zstd.__version__` is now defined. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
407 * ``read_from()`` on various APIs now accepts objects implementing the buffer |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
408 protocol. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
409 * ``read_from()`` has gained a ``skip_bytes`` argument. This allows callers |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
410 to pass in an existing buffer with a header without having to create a |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
411 slice or a new object. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
412 * Implemented ``ZstdCompressionDict.as_bytes()``. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
413 * Python's memory allocator is now used instead of ``malloc()``. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
414 * Low-level zstd data structures are reused in more instances, cutting down |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
415 on overhead for certain operations. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
416 * ``distutils`` boilerplate for obtaining an ``Extension`` instance |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
417 has now been refactored into a standalone ``setup_zstd.py`` file. This |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
418 allows other projects with ``setup.py`` files to reuse the |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
419 ``distutils`` code for this project without copying code. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
420 * The monolithic ``zstd.c`` file has been split into a header file defining |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
421 types and separate ``.c`` source files for the implementation. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
422 |
37495
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
423 Older History |
b1fb341d8a61
zstandard: vendor python-zstandard 0.9.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31847
diff
changeset
|
424 ============= |
30435
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
425 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
426 2016-08-31 - Zstandard 1.0.0 is released and Gregory starts hacking on a |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
427 Python extension for use by the Mercurial project. A very hacky prototype |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
428 is sent to the mercurial-devel list for RFC. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
429 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
430 2016-09-03 - Most functionality from Zstandard C API implemented. Source |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
431 code published on https://github.com/indygreg/python-zstandard. Travis-CI |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
432 automation configured. 0.0.1 release on PyPI. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
433 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
434 2016-09-05 - After the API was rounded out a bit and support for Python |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
435 2.6 and 2.7 was added, version 0.1 was released to PyPI. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
436 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
437 2016-09-05 - After the compressor and decompressor APIs were changed, 0.2 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
438 was released to PyPI. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
439 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
440 2016-09-10 - 0.3 is released with a bunch of new features. ZstdCompressor |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
441 now accepts arguments controlling frame parameters. The source size can now |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
442 be declared when performing streaming compression. ZstdDecompressor.decompress() |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
443 is implemented. Compression dictionaries are now cached when using the simple |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
444 compression and decompression APIs. Memory size APIs added. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
445 ZstdCompressor.read_from() and ZstdDecompressor.read_from() have been |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
446 implemented. This rounds out the major compression/decompression APIs planned |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
447 by the author. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
448 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
449 2016-10-02 - 0.3.3 is released with a bug fix for read_from not fully |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
450 decoding a zstd frame (issue #2). |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
451 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
452 2016-10-02 - 0.4.0 is released with zstd 1.1.0, support for custom read and |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
453 write buffer sizes, and a few bug fixes involving failure to read/write |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
454 all data when buffer sizes were too small to hold remaining data. |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
455 |
b86a448a2965
zstd: vendor python-zstandard 0.5.0
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
456 2016-11-10 - 0.5.0 is released with zstd 1.1.1 and other enhancements. |