Rust to Python

This repository provides a mapping from Rust tooling and language features to Python.

Tooling

Tool	Rust	Python
Package Repository	crates.io	PyPI
Multi-version Installation	rustup	uv python command
Package Management	Cargo	uv
Build Executables	Cargo	PyInstaller
Type Checking	Cargo	Mypy
Code Formatting	Rustfmt	Ruff Formatter, Ruff isort rules
Linting	Clippy	Ruff
Unit Testing	#[test]	pytest
Scripts	cargo-script	uv run, Nox
Upgrade to New Language Features	cargo fix	Ruff pyupgrade rules

For a Python project example that incorporates these tools, see python-blueprint.

Environments

Environment	Rust	Python
WASM	wasm-pack	PyScript, Pyodide, CPython WASM
Embedded	Embedded Rust	MicroPython, CircuitPython

Language Features

Feature	Rust	Python
Interface	trait	Protocol
Generics	<T>	list[T] etc., def f[T], class C[T]
Pattern Matching	match	match
Anonymous Function	|x| { x + 1 }	lambda x: x + 1
Foreign Function Interface	FFI	CFFI

Data Structures

Data Structure	Rust	Python
Data Type	struct	@dataclass
Algebraic Data Type	enum	Enum, Union of dataclass
Result	Result	returns.Result
Optional	Option	T | None, returns.Maybe
Fixed-sized Numerics	u8, u16, etc.	NumPy Data Types

Rust/Python Interop

• PyO3

Popular Python Packages Implemented in Rust

• Ruff
• uv
• Pydantic
• cryptography
• Polars
• RustPython - A Python interpretter written in Rust

Misc Rust and Python Similarities

• Both languages prefer snake_case naming over lowerCamelCase
• Both languages use suffix type syntax (e.g. x: int / x: i32)
• Neither language is controlled by a single company