python-pptx-rs

Rust-powered, python-pptx-compatible library for creating, reading, and updating PowerPoint (.pptx) files.

  • Drop-in compatible public API: pip install python-pptx-rs, then import pptx_rs as pptx
  • Rust core (quick-xml + zip) via PyO3, single abi3 wheel for Python 3.10-3.14
  • O(1) shape-id assignment and relationship lookup (quadratic in python-pptx)
  • Untouched parts round-trip byte-exactly

Benchmarks

1000 slides x 10 textboxes, macOS arm64, median of 3 (benches/bench_vs_python_pptx.py):

workload python-pptx python-pptx-rs speedup
open 85.0ms 8.9ms 9.5x
open + traverse all text 316.2ms 73.5ms 4.3x
traverse (pre-opened) 227.8ms 10.4ms 21.9x
open + 1 edit + save 199.3ms 48.8ms 4.1x
add 500 textboxes to one slide 191.0ms 10.8ms 17.7x

Compatibility

python-pptx's own behave feature suite runs against python-pptx-rs — see tests/compat/README.md for the current matrix (75 scenarios passing; all remaining gaps are unimplemented APIs, not behavioral divergences).

Development

Requires Rust (stable), uv, and for the compatibility suite a python-pptx checkout at ../python-pptx.

uv sync
uv run maturin develop --uv
uv run pytest  # includes Python coverage (fails under 80%)

Rust coverage (merges cargo test with pytest run against an instrumented build, since the PyO3 binding crate is only exercised through Python):

cargo install cargo-llvm-cov
source <(cargo llvm-cov show-env --export-prefix)
cargo llvm-cov clean --workspace
cargo test --workspace
uv run --no-sync maturin develop --uv
uv run --no-sync pytest --no-cov
cargo llvm-cov report --fail-under-lines 80

Project links

Data verified by PyPI on Jul 5, 2026
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Key dates

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  • Released:
Latest release

1 maintainer

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Credits

Author: wakita181009

GitHub Statistics

Data verified by PyPI on Jul 5, 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

MIT License (MIT)

Requires

Python >=3.10

Tags

powerpoint pptx openxml office rust

Classifiers

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