Py7zr Changelog

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

Unreleased

v0.21.0

Changed

• Speed up extraction when number of files is very large (#555)

• Replace deprecated functions on python 3.12 (#550)

Added

• Add report_update() for logging large files extraction (#558)

Document

• Add subsection of multi-volume creation (#568)

v0.20.8

Fixed

• Detect brotli import error (#543)

Changed

• refactor: hardening SevenZipFile constructor (#547)

• refactor: improve type safe functions (#545)

• chore: add git export configuration (#544)

v0.20.7

Changed

• Support Python 3.12 (#541)

v0.20.6

Fixed

• fix: sanitize path when write (#525)

• fix: allow specify target path in relative path (#530)

• Avoid AttributeError on OpenBSD (#521)

• Error appending file: KeyError: ‘lastwritetime’ (#517)

Document

• Fixing a string quote in user_guide document(#524)

v0.20.5

Fixed

• Remove root reference from file names (#513)

Document

• fix typo in the readme (#510)

v0.20.4

Fixed

• Installation error in Cygwin (#504)

v0.20.3

Fixed

• Drop manual GC to improve performance when many files are handled. (#489, #490)

• CI: fix test configurations (#494) - Fix mypy error - Skip deflate64 compression/decompression test on pypy - There is an issue in dependency inflate64 library that causes SIGABORT and SIGSEGV on pypy

v0.20.2

Fixed

• Fix error with good path data, when detecting wrong path with new canonical_path(), and drop resolve() call on path.

v0.20.1

Security

• Fix sanity check for path traversal attack(#480)

• Add path checker in writef() and writestr() methods that ignores evil pass. - When pass arcname as evil path such as “../../../../tmp/evil.sh” - it raises ValueError

• Check symlink and junction is under target folder when extraction

v0.20.0

Added

• Support enhanced deflate compression.(#472)

Changed

• Bump setuptools@63 and setuptools_scm@7 (#473)

• CI: update script (#473)

• Update tox config (#473)

• Actions: change pypy version to 3.7 (#473)

• Update readthedocs.yml (#473)

Deprecated

• Deprecate Python 3.6 support (#473)

v0.19.0

Changed

• Replace deflate64(tm) decompressor to inflate64(#459)

• test: improve checks of deflate64 case(#463)

v0.18.10

Fixed

• Actions: fix release script to produce wheel.(#462) there is no wheel release for v0.18.5-v0.18.9

v0.18.9

Fixed

• Closing a SevenZipFile opened for appending, without adding a new file, raises exception (#378, #395)

• Docs: fix URL link error (#450)

• Actions: fix document compilation by installing graphviz (#450)

• Docs: fix errors and warnings on documentation.

Changed

• Add changelog into Documentation (#450)

• Test on python 3.11-beta (#450)

• Bump Sphinx@5.0 for Documentation (#450)

• Docs: update configuration to ignore changelog links for link check

v0.18.7

Fixed

• Extraction wrongly renames unix hidden dot files/directories (#448)

v0.18.6

Fixed

• Decompression of some LZMA+BCJ archive may abort with gegmentation fault because of a PyBCJ bug. Bump PyBCJ@0.6.0 that fixed it. (#447)

Removed

• Remove in-source BCJ filter pure python code. Now it have a place in a PyBCJ project. (#447)

v0.18.5

Fixed

• Limit memory consumption for extraction(#430,#434,#440)

• Pyproject.toml: setuptools_scm configuration(#438)

Changed

• Build package with pip wheel with python 3.9 on Ubuntu 20.04

• Check py3.8, 3.9 and 3.10 on Azure-Pipelines CI/CD.

v0.18.4

Fixed

• Raise exception properly when threaded extraction(#431,#432)

• Actions: fix tox test(#433)

Changed

• Change pyproject.toml:license table to be text key and SPDX license name(#435, #436)

v0.18.3

Fixed

• ppmd: send extra byte b”0” to pyppmd.Ppmd7Decompressor, when input is exhausted, but it indicate needs_input. This is a same behavior as p7zip decoder does. (#417)

• README: fix example code(#426)

Changed

• Bump PyPPMd@0.18.1 (#420,#427)

• pyproject.toml: Add project section(#428)

v0.18.1

Changed

• Limit dependency pyppmd to v0.17.x

Fixed

• Fix mypy error with mypy 0.940(#421)

v0.18.0

Added

• Support DEFLATE64 decompression(#399)

Fixed

• Docs: fix typo for readall method argument(#416)

Changed

• Get status down for PPMd compression/decompression(#418) PPMd decompression has a bug easily to fail decompression.

v0.17.4

Fixed

• When extracting and target archive compressed with unsupported LZMA2+BCJ2, py7zr raise unexpected exception. Fix to raise better exception message

Changed

• docs: Add explanation of empty file specification

v0.17.3

Security

• Check against directory traversal attack by file pathes in archive (#406,#407)

v0.17.2

Fixed

• writef method detect wrong size of data(#397)

Changed

• Improve callback object check and error message(#387)

v0.17.1

Fixed

• Allow 7zAES+LZMA2+BCJ combination for compression(#392)

• Argument error when raising UnsupportedCompressionMethodError(#394)

• Detect memory leak in test and fix some leaks(#388)

• Fix filename and property decode in UTF-16(#391)

Changed

• Azure: use macos@10.15 for test(#389)

v0.17.0

Fixed

• Extraction: overwrite a symbolic link sometimes failed(#383)

• Allow creation of archive without any write call(#369,#372)

• Type check configuration update (#384)

• Adjust for type check errors (#384)

v0.16.4

Fixed

• Win32 file namespace convention doesn’t work on Cygwin(#380,#381)

• Win32 file namespace convention doesn’t work for network path(#380)

v0.16.3

Fixed

• Reduce memory consumptions and fix memory_error on 32bit python (#370,#373,#374,#375)

Added

• Add CI test for python 3.10 (#371)

v0.16.2

Added

• Bundle type hint data

• README: Add conda recipe(#342)

Changed

• Use PyBCJ instead of bcj-cffi.(#368)

• Docs: change recommended python versions

• CI: benchmark on python 3.10

• Test expectation for python 3.10 change

• Improve exceptions and error messages

• Docs: add description of ArchiveInfo class

• Docs: fix typo on shutil integration(#353)

• Bump pyzstd@0.15.0

• Bump pyppmd@0.17.0

Fixed

• Docs: specification error of signature header data types.

• Fix infinite loop in extract(#354)

v0.16.1

Added

• type hint for mypy

v0.16.0

Added

• Add Brotli compression.

• CI: Test on AArch64.

Changed

• CLI: support multi-volume archive without making temporary file(#311)

• Filter parameter: PPMd: mem is now accept int or “<val>{m|k|b}” as same as 7-zip command line option. int value is recognized as “1 << val” ie. 24 means 4MB.

• Dependency: PyPPMd v0.14.0+

• Dependency PyCryptodome to PyCryptodomex that changes package name from PyCrypto to PyCryptodome(#334)