Strms Blocks Compressed Uncompressed Ratio Check Filenameġ 13 16.8 MiB 297.9 MiB 0.056 CRC64 file.xz This can be seen with xz -list: $ xz -list file.xz XZ files are made of a number of streams, and each stream is composed of a number ofīlock.
Change stream with the change_stream method (the check attribute can be changed.Change block with the change_block method (the preset and filters attributes canīe changed beforehand to apply to the new block).The check, preset and filters arguments to xz.open and xz.XZFile allow toĬonfigure the default values for new streams and blocks.However in the current implementation, a block with writing in progress isĪutomatically closed when reading data from it. Modes like r+/ w+/ x+ allow to open for both read and write at the same time.write ( b 'But this one is in its own! \n ' ). write ( b 'This sentence is still in the previous block \n ' ). Note that truncating is only supported on block boundaries. It is however possible to truncate theįile first. Writing is only supported from the end of file.
'Hello, world! 👋' 1000 '✨ Random access is fast! 🚀' Write mode Opening in text mode works as well, but notice that seek arguments as well as boundariesĪre still in bytes (just like with lzma.open). block_boundaries # 4 blocks in first stream, 2 blocks in second stream. The API is similar to lzma: you can use either xz.open or xz.XZFile.
#UNCOMPRESS .XZ MAC INSTALL#
Install python-xz with pip: $ python -m pip install python-xzĪn unofficial package for conda is also available, see issue #5
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