Densaugeo / python-rust-example

Example of calling Rust form Python

Python Rust Example

This is an attempt to create a working example of calling Rust code from Python.

Overview

I'd like to be able to call Rust functions from Python, but have not foudn any working examples for this. Most of the examples I can find are for C.

The example in the PYO3 repo sort-of works, but breaks if anything at all is changed (even the name of the folder the project is built in). Additionally, it uses opaque mechanisms and I can't figure out how to modify the Python modules it produces or how they work.

Current State

Rust components can be built using cargo and the example script can be run using python:

$ cargo build
$ python python.py
3

Sources

Reddit discussion of this project: https://www.reddit.com/r/rust/comments/1c3fjfz/attempting_to_create_a_simple_example_of_calling/

CFFI docs: https://cffi.readthedocs.io/en/latest/overview.html#other-cffi-modes

PYO3 GitHub: https://github.com/PyO3/pyo3

https://stackoverflow.com/questions/65246103/using-cffi-to-call-functions-of-shared-library-from-python

https://blog.ian.stapletoncordas.co/2018/01/making-python-faster-with-rust-and-cffi-or-not.html

https://www.reddit.com/r/rust/comments/7w6sel/help_call_python_defined_function_from_rust_via/

Acknowledgements

Thanks to https://www.reddit.com/user/DeathLeopard/ for finding what was missing!