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shelve: move patch extension to a string constant...
shelve: move patch extension to a string constant We are using 'name + ".patch"' pattern throughout the shelve code to identify the existence of a shelve with a particular name. In two cases however we use 'name + ".hg"' instead. This commit makes 'patch' be used in all places and "emphasizes" it by moving 'patch' to live in a constant. Also, this allows to extract file name without extension like this: f[:-(1 + len(patchextension))] instead of: f[:-6] which is good IMO. This is a first patch from this initial "obsshelve" series. This series does not include tests, although locally I have all of test-shelve.t ported to test obs-shelve as well. I will send tests later as a separate series.
Gregory Szorc - - Load All Authors

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Version History

0.5.0 (released 2016-11-10)

  • Vendored version of zstd updated to 1.1.1.
  • Continuous integration for Python 3.6 and 3.7
  • Continuous integration for Conda
  • Added compression and decompression APIs providing similar interfaces to the standard library zlib and bz2 modules. This allows coding to a common interface.
  • ``zstd.__version__` is now defined.
  • read_from() on various APIs now accepts objects implementing the buffer protocol.
  • read_from() has gained a skip_bytes argument. This allows callers to pass in an existing buffer with a header without having to create a slice or a new object.
  • Implemented ZstdCompressionDict.as_bytes().
  • Python's memory allocator is now used instead of malloc().
  • Low-level zstd data structures are reused in more instances, cutting down on overhead for certain operations.
  • distutils boilerplate for obtaining an Extension instance has now been refactored into a standalone setup_zstd.py file. This allows other projects with setup.py files to reuse the distutils code for this project without copying code.
  • The monolithic zstd.c file has been split into a header file defining types and separate .c source files for the implementation.

History of the Project

2016-08-31 - Zstandard 1.0.0 is released and Gregory starts hacking on a Python extension for use by the Mercurial project. A very hacky prototype is sent to the mercurial-devel list for RFC.

2016-09-03 - Most functionality from Zstandard C API implemented. Source code published on https://github.com/indygreg/python-zstandard. Travis-CI automation configured. 0.0.1 release on PyPI.

2016-09-05 - After the API was rounded out a bit and support for Python 2.6 and 2.7 was added, version 0.1 was released to PyPI.

2016-09-05 - After the compressor and decompressor APIs were changed, 0.2 was released to PyPI.

2016-09-10 - 0.3 is released with a bunch of new features. ZstdCompressor now accepts arguments controlling frame parameters. The source size can now be declared when performing streaming compression. ZstdDecompressor.decompress() is implemented. Compression dictionaries are now cached when using the simple compression and decompression APIs. Memory size APIs added. ZstdCompressor.read_from() and ZstdDecompressor.read_from() have been implemented. This rounds out the major compression/decompression APIs planned by the author.

2016-10-02 - 0.3.3 is released with a bug fix for read_from not fully decoding a zstd frame (issue #2).

2016-10-02 - 0.4.0 is released with zstd 1.1.0, support for custom read and write buffer sizes, and a few bug fixes involving failure to read/write all data when buffer sizes were too small to hold remaining data.

2016-11-10 - 0.5.0 is released with zstd 1.1.1 and other enhancements.