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OpenSheet Core Wiki

Welcome to the OpenSheet Core wiki — a fast, memory-efficient spreadsheet I/O library for Python, powered by Rust.

Pages

• AI/RAG Integration — markdown extraction, chunking, LangChain & LlamaIndex loaders
• Migrating from openpyxl — side-by-side code comparisons to help you switch
• Architecture — how the Rust/PyO3 bridge works and how XLSX files are structured
• FAQ — common questions and answers

Quick links

• PyPI package
• API Reference (in README)
• Benchmarks — 13.8x faster reads, 1.6x faster writes, 2.5x less memory
• Benchmarking Methodology
• Roadmap
• Contributing guide
• Changelog