Changelog.rst

Py7zr ChangeLog

All notable changes to this project will be documented in this file.

v0.5.5

Fixed

• Fix is_solid() method to return correct result.(#72)

v0.5.4

Added

• Add benchmark test.(#90)

Fixed

• Fix readme: extraction mode code was wrong. for extraction 'r' is correct.

v0.5.3

Fixed

• Fix race condition for changing current working directory of caller, which cause failures in multithreading.(#80,#82)

v0.5.2

• Same as v0.5.1

v0.5.1

Added

• Support filtering a target of extracted files from archive (#64)

Fixed

• Fixed extraction of 7zip file with BZip2 algorithm.(#66)

v0.5

• same as v0.5rc3.

v0.5rc3

Fixed

• Fix symbolic link extraction with relative path target directory.

v0.5rc2

Added

• Support COPY method for decompression.

Changed

• When archive has an archive which is same name, then write with postfix '_0'.

v0.5rc1

Added

• Add release note automation workflow with Github actions.

v0.5b6

Fixed

• Fix extraction of archive which has zero size files and directories(#54).
• Revert zero size file logic(#47).

v0.5b5

Fixed

• Revert zero size file logic which break extraction by 7zip.

v0.5b4

Fixed

• Support for making archive with zero size files(#47).
• Produced broken archive when target has many directorires(#48).
• Reduce test warnings, fix annotations.
• Fix coverage error on test.

v0.5b3

Fixed

• Support for making archive with symbolic links.

v0.5b2

Changed

• Update documents.

Fixed

• Fix write logics (#42)
• Fix read FilesInfo block.

v0.5b1

Support making a 7zip archive.

Added

• Support for compression and archiving.
• Support encoded(compressed) header and set as default.(#39)
• SevenZipFile: accept pathlib.Path as a file argument.
• Unit test: read and write UTF-16LE string for filename.
• Support for shutil.register_archive_format() and shutil.make_archive() by exposing pack_7zarchive()
• Support custom filters for compression.

Fixed

• Skip rare case when directory already exist, that can happen multiple process working in same working directory.
• Write: Produce a good archive file for multiple target files.
• SignatureHeader function: write nextheaderofs and nextheadersize as real_uint64.
• docs: description of start header structure.

Removed

• Drop py7zr.properties.FileAttributes; please use stat.FILE_ATTRIBUTES*

Changed

• Test: Use tmp_path fixture which is pytest default one.
• Move setuptools configurations in setup.py into setup.cfg.

v0.4

Added

• Support for pypy3 (pypy3.5-7.0) and later(pypy3.6-7.1 or later).
• unit test for NullHandler, BufferHandler, FileHandler.
• Update document to add 7zformat descriptions.

Changed

• NullHandler, BufferHandler, FileHandler: open() now takes mode argument.
• Upper limit of max_length of decompress() call is now io.DEFAULT_BUFFER_SIZE.
  • PyPy issue: https://bitbucket.org/pypy/pypy/issues/3088/lzmalzmadecompressordecompress-data
• Drop padding logic introduced in v0.3.5 that may be cuased by python core bug, when max_length > io.DEFAULT_BUFFER_SIZE.
  • PyPy Issue: https://bitbucket.org/pypy/pypy/issues/3090/lzma-sometimes-decompresses-data
  • bpo-21872: https://bugs.python.org/issue21872
  • Fix: python/cpython#14048

• Remove print functions from API and moves CLI

  • API should not output anything other than error message. * Introduce FileInfo class to represent file attributes inside archive.
    • Introduce ArchiveInfo class to represent archive attributes.
    • provide archiveinfo() method to provide ArchiveInfo object.
    • now list() method returns List[FileInfo]
  • Every print things moves to Cli class.

• Update tests according to API change.
• Update documents to refrect API changes.

Fixed

• Update README to indicate supported python version as 3.5 and later, pypy3 7.1 and later.

v0.3.5

Changed

• Use seek&truncate for padding trailer if needed.

v0.3.4

Added

• Docs: class diagram, design note, 7z formats and presentations.
• Test for a target includes padding file.

Changed

• Test file package naming.

Fixed

• Fix infinite loop when archive file need padding data for extraction.

v0.3.3

Added

• Add test for zerofile with multi-foler archive.

Fixed

• Fix zerofile extraction error with multithread mode(#24, thanks @Arten013)

v0.3.2

Added

• typing hints
• CI test with mypy
• Unit test: SignatureHeader.write() method.
• Unit test: unknown mode for SevenZipFile constructor.
• Unit test: SevenZipFile.write() method.

Changed

• Conditional priority not likely to be external in header.
• Refactoring read_uint64().

Fixed

• SignatureHeader.write(): fix exception to write 7zip version.

v0.3.1

Added

• CLI i subcommand: show codec information.
• Decompression performance test as regression test.
• Add more unit test for helper functions.

Changed

• List subcommand now do not show compressed file size in solid compression. This is as same behavior as p7zip command.
• Merge io.py into archiveinfo.py
• Drop internal intermediate queue, which is not used.

Fixed

• Always overwrite when archive has multiple file with same name.

v0.3

Added

• Add some code related to support write feature(wip).
• Static check for import order in python sources and MANIFEST.in

Changed

• Concurrent decompression with threading when an archive is in multi folder compression.
• Pytest configurations are set in tox.ini

Fixed

• Package now has test code and data.

v0.2.0

Fixed

• Detect race condition on os.mkdir

v0.1.6

Fixed

• Wrong file size when lzma+bcj compression.

v0.1.5

Fixed

• Suppress warning: not dequeue from queue length 0

v0.1.4

Changed

• When a directory exist for target, do not raise error, and when out of it raise exception
• Refactoring FileArchivesList and FileArchive classes.

v0.1.3

Changed

• When a directory exist for target, do not raise error, and when out of it raise exception

v0.1.2

Changed

• Refactoring CLI with cli package and class.

Fixed

• Archive with zero size file cause exception with file not found error(#4).

Removed

• Drop unused code chunks.
• Drop Digests class and related unit test.

v0.1.1

Added

• Add write(), close() and testzip() dummy methods which raises NotImplementedError.
• Add more unit tests for write functions.

Fixed

• Fix Sphinx error in documentation.
• SevenZipFile: Check mode before touch file.
• Fix write_boolean() when array size is over 8.
• Fix write_uint64() and read_uint64().

v0.1.0

Added

• Introduce compression package.
• Introduce SevenZipCompressor class.
• Add write() method for each header class.
• Add tests for write methods.
• Add method for registering shutil.

Changed

• Each header classes has __slots__ definitions for speed and memory optimization.
• Rename to 'io' package from 'archiveio'
• Each header classes has classmethod 'retrieve' and constructor does not reading a archive file anymore.
• Change to internalize _read() method for each header classes.
• get_decompressor() method now become SevenZipDecompressor class.
• Each header classes initializes members to None in constructor.
• Method definitions map become an internal member of SevenZipDecompressor or SevenZipCompressor class.
• Add test package compress

Fixed

• Fix ArchiveProperties read function.

v0.0.8

Added

• Test for CLI.

Changed

• Improve main function.
• Improve tests, checks outputs with sha256

v0.0.7

Added

• CI test on AppVeyor.

Changed

• Worker class refactoring.

Fixed

• Fix test cases: bugzilla_16 and github_14.
• Test: set timezone to UTC on Unix and do nothing on Windows.

v0.0.6

Fixed

• Fix too many file descriptors opened error.

v0.0.5

Changed

• Test: check sha256 for extracted files

Fixed

• Fix decompressiong archive with LZMA2 and BCJ method
• Fix decompressing multi block archive
• Fix file mode on unix/linux.

v0.0.4

Added

• Set file modes for extracted files.
• More unit test.

Changed

• Travis-CI test on python 3.7.

Fixed

• Fix to set extracted files timestamp as same as archived.

v0.0.3

Added

• PyPi package index.

Fixed

• setup: set universal = 0 because only python 3 is supported.

v0.0.2

Changed

• refactoring all the code.