rars

A Rust implementation of RAR.

Current Status

rars covers the RAR lineage from early RE~^ archives through RAR 7, compression and decompression. It's getting faster, and kinda works.

Rust API

Use the rars crate for Rust applications and libraries. Since 0.4, the lower-level rars-format, rars-codec, rars-crypto, rars-crc32, and rars-recovery crates are folded into rars; those standalone crates ended at 0.3.x. Applications should depend on rars, and command-line installs should use rars-cli.

CLI

Inspect, test, and extract archives:

rars info archive.rar
rars test archive.rar
rars x archive.rar out/

Create archives with specific RAR generation:

rars a --format rar29 archive.rar files...
rars a --format rar50 --solid --auto-filter archive.rar files...
rars a --format rar70 --store --volume-size 10m archive.part1.rar files...

The writer supports stored and compressed members, split volumes, passwords, header encryption where implemented, comments, RARVM filters, RAR5 quick-open records, and supported recovery records. Run rars --help for more info.

By default, --memory-limit is set to 256MB and the number of --threads is your core count. This might limit compression on machines with lots of CPU cores; experiment and override as required.

Python bindings

Python bindings are published to pypi, so you can pip install rars. To build locally, it's maturin develop.

Development

Run the test suite:

cargo test --workspace --all-targets

Generate a local coverage report:

rustup component add llvm-tools-preview
./scripts/coverage.py

The script prints a line-coverage summary, saves it to target/coverage/summary.txt, and writes HTML output to target/coverage/html/library/index.html and target/coverage/html/cli/index.html.

Project links

Data verified by PyPI on Aug 13, 2026
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Key dates

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  • Released:
Newer release available (0.9.3)

1 maintainer

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Avatar for davidsong from gravatar.com davidsong

Credits

Author: Yehor Smoliakov

GitHub Statistics

Data verified by PyPI on Aug 13, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT OR Apache-2.0
View SPDX License List

Requires

Python >=3.10

Classifiers

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