Mercurial > public > mercurial-scm > hg
diff rust/hg-pyo3/src/exceptions.rs @ 52863:ab6198160960
rust-pyo3-exceptions: helper for ValueError by calling to_string
This may seem trivial, but it allows to use `map_err(to_string_value_error)`
in many places, instead of defining a closure
`map_err(|e| PyValueError::new_err(e.to_string())`, and it is much better for
readability.
| author | Georges Racinet <georges.racinet@cloudcrane.io> |
|---|---|
| date | Wed, 05 Feb 2025 11:04:19 +0100 |
| parents | 9f083ff3c96c |
| children | d961e09d3d8c |
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--- a/rust/hg-pyo3/src/exceptions.rs Thu Feb 06 13:57:51 2025 +0100 +++ b/rust/hg-pyo3/src/exceptions.rs Wed Feb 05 11:04:19 2025 +0100 @@ -2,6 +2,8 @@ use pyo3::import_exception; use pyo3::{create_exception, PyErr}; +use std::fmt::Display; + use hg::dirstate::{on_disk::DirstateV2ParseError, DirstateError}; use hg::revlog::nodemap::NodeMapError; @@ -50,6 +52,11 @@ PyRuntimeError::new_err(format!("In Rust PyO3 bindings: {e}")) } +#[allow(unused)] +pub fn to_string_value_error<T: Display>(e: T) -> PyErr { + PyValueError::new_err(e.to_string()) +} + pub mod mercurial_py_errors { pyo3::import_exception!(mercurial.error, RevlogError); }