Ishan Bhanuka

@twitu

🦀️ ❤️ 🐍️: Fundamentals of Rust Python Interop for fun and profit

Submitted Sep 9, 2026

We will cover fundamentals of FFI that allows two languages to inter-operate within the same application.

  • Runtime and ABI
  • Memory and Types
  • Safety and Performance

Key libraries and how they help with FFI

  • Cbindgen, Cython - Low inter-op through Cython
  • Pyo3, Maturin - Build Python libraries directly
  • Pyodide, WASM for the win! 🏁️ - Python (and Rust) in your browser

Key takeaways

  • Mental model for FFI - How are data and types shared
  • Key libraries for Python Rust inter-operability
  • Unlocking powerful use cases with inter-op

Target audience

  • Programmers who want deeper understanding of language inter-op and FFI
  • PMs and architects who want to understand what language inter-op unlocks

Bio

  • CTO Contextweaver - Industrial data operations platform for manufacturing
  • Formerly Senior engineer at Nautech Systems - The most popular open source algorithmic trading platform trusted by 600+ HFTs

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