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Requires Python: >=3.11

Classifiers

Programming Language

Python :: 3
Python :: Implementation :: CPython
Python :: Implementation :: PyPy

cramjam-pure-rust

The pure-Rust backend for cramjam: the same API, with zstd, lz4, bzip2, xz and deflate/gzip/zlib from libcramjam's pure-Rust implementations instead of the C libraries.

pip install cramjam[pure-rust]
export CRAMJAM_BACKEND=pure-rust

import cramjam then uses this backend (cramjam.backend == "pure-rust"). It can also be imported directly as cramjam_pure_rust.

2.14.0 Oct 13, 2026

Wheel compatibility matrix

Platform	CPython 3.11	CPython 3.12	CPython 3.13	CPython 3.14	CPython 3.15	CPython (additional flags: t) 3.14	CPython (additional flags: t) 3.15	PyPy 3.11 (pp73)
macosx_10_12_universal2
macosx_10_12_x86_64
macosx_10_13_universal2
macosx_10_13_x86_64
macosx_10_15_universal2
macosx_10_15_x86_64
macosx_11_0_arm64
manylinux_2_28_aarch64
manylinux_2_28_i686
manylinux_2_28_ppc64le
manylinux_2_28_s390x
manylinux_2_28_x86_64
manylinux_2_31_armv7l
manylinux_2_34_riscv64
manylinux_2_39_riscv64
musllinux_1_2_aarch64
musllinux_1_2_armv7l
musllinux_1_2_i686
musllinux_1_2_x86_64
pyemscripten_2025_0_wasm32
pyemscripten_2026_0_wasm32
win32
win_amd64
win_arm64

Files in release

cramjam_pure_rust-2.14.0-cp311-cp311-macosx_10_12_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-macosx_10_12_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_28_s390x.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp311-cp311-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-macosx_10_13_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-macosx_10_13_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_28_s390x.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp312-cp312-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-macosx_10_13_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-macosx_10_13_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_28_s390x.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-pyemscripten_2025_0_wasm32.whl (1.6MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp313-cp313-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-macosx_10_15_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-macosx_10_15_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_28_s390x.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-pyemscripten_2026_0_wasm32.whl (1.5MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-macosx_10_15_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-macosx_10_15_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_28_s390x.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp314-cp314t-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-macosx_10_15_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-macosx_10_15_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_28_s390x.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-macosx_10_15_universal2.whl (3.4MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-macosx_10_15_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_28_i686.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_28_ppc64le.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_28_s390x.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_31_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-manylinux_2_34_riscv64.manylinux_2_39_riscv64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-musllinux_1_2_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-musllinux_1_2_armv7l.whl (2.0MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-musllinux_1_2_i686.whl (2.2MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-musllinux_1_2_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-win32.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-win_amd64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-cp315-cp315t-win_arm64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-pp311-pypy311_pp73-macosx_10_15_x86_64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-pp311-pypy311_pp73-macosx_11_0_arm64.whl (1.4MiB)

cramjam_pure_rust-2.14.0-pp311-pypy311_pp73-manylinux_2_28_aarch64.whl (2.0MiB)

cramjam_pure_rust-2.14.0-pp311-pypy311_pp73-manylinux_2_28_x86_64.whl (2.1MiB)

cramjam_pure_rust-2.14.0-pp311-pypy311_pp73-win_amd64.whl (2.2MiB)

cramjam_pure_rust-2.14.0.tar.gz (92.7KiB)

No dependencies