thread 'main' panicked at 'complete: UnsupportedCompressionMethod("[3, 3, 1, 3]")'
A problem caused by binary files which are compressed by BCJ LZMA2:26. Regular files compressed with LZMA2:26 are extracted without problem. Note: Type filter/compression applied to a particular file could be explored by 7-zip File Manager in column Method.
Scenario: extract 7z file with Windows binaries
Example archive: https://github.com/niXman/mingw-builds-binaries/releases/download/12.1.0-rt_v10-rev3/x86_64-12.1.0-release-posix-seh-rt_v10-rev3.7z
Error message:
A problem caused by binary files which are compressed by
BCJ LZMA2:26
. Regular files compressed withLZMA2:26
are extracted without problem. Note: Type filter/compression applied to a particular file could be explored by 7-zip File Manager in columnMethod
.According to my research BCJ is a Branch-Call-Jump (BCJ) filter. It's mentioned here: https://docs.python.org/3/library/lzma.html#specifying-custom-filter-chains