Crate pyo3_error

Unified error causality chains across Rust and Python using PyErrChain.

Structs

DowncastToPyErr

Try to map a std::error::Error via a specific error type T to a PyErr by downcasting when used as MapErrorToPyErr;

ErrorNoPyErr

Never attempt to translate any std::error::Error to PyErr when used as AnyErrorToPyErr.

IoErrorToPyErr

Translate std::io::Error to PyErr when used as AnyErrorToPyErr.

PyErrChain

PyErrChain wraps a PyErr together with its causality chain.

Traits

AnyErrorToPyErr

Utility trait to try to translate from std::error::Error to PyErr.

MapErrorToPyErr

Utility trait to try to translate via specific error types E implementing std::error::Error and wrapped errors such as MyError<E> to PyErrs.

Functions

err_with_location

Utility function to add a traceback with the error’s file, line, and column location information to the err.