Added in version 3.14.
The compression package contains the canonical compression modules containing interfaces to several different compression algorithms. Some of these modules have historically been available as separate modules; those will continue to be available under their original names for compatibility reasons, and will not be removed without a deprecation cycle. The use of modules in compression is encouraged where practical.
compression.bz2 – Re-exports bz2
compression.gzip – Re-exports gzip
compression.lzma – Re-exports lzma
compression.zlib – Re-exports zlib
compression.zstd – Wrapper for the Zstandard compression library
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Licensed under the PSF License.
https://docs.python.org/3.14/library/compression.html