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RustPy-XlsxWriter

High-performance Excel (.xlsx) and CSV/TSV generation for Python, powered by Rust via PyO3. Roughly 7–9× faster than XlsxWriter for Excel and ~5–6× faster than the stdlib csv for CSV.

from rustpy_xlsxwriter import FastExcel

FastExcel("out.xlsx").sheet("Sheet1", [{"name": "Alice", "age": 30}]).save()

Pages

• Getting Started — install, first file, input types
• Format API — fonts, colors, borders, number formats
• DataFrames — pandas, polars, Arrow zero-copy
• CSV and TSV — fast CSV output + formula-injection guard
• Benchmarks — numbers vs XlsxWriter / stdlib csv
• Limitations — what's not supported yet

Links

• PyPI: https://pypi.org/project/rustpy-xlsxwriter/
• API docs: https://rahmadafandi.github.io/rustpy-xlsxwriter/
• Issues: https://github.com/rahmadafandi/rustpy-xlsxwriter/issues