Mercurial > hg
view rust/hg-cpython/src/exceptions.rs @ 51834:454feddab720 default tip
brancing: merge stable into default
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 06 Sep 2024 02:12:19 +0200 |
parents | 4c5f6e95df84 |
children |
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// ancestors.rs // // Copyright 2018 Georges Racinet <gracinet@anybox.fr> // // This software may be used and distributed according to the terms of the // GNU General Public License version 2 or any later version. //! Bindings for Rust errors //! //! [`GraphError`] exposes `hg::GraphError` as a subclass of `ValueError` //! but some variants of `hg::GraphError` can be converted directly to other //! existing Python exceptions if appropriate. //! //! [`GraphError`]: struct.GraphError.html use cpython::{ exc::{RuntimeError, ValueError}, py_exception, PyErr, Python, }; use hg; use crate::PyRevision; py_exception!(rustext, GraphError, ValueError); impl GraphError { pub fn pynew(py: Python, inner: hg::GraphError) -> PyErr { match inner { hg::GraphError::ParentOutOfRange(r) => { GraphError::new(py, ("ParentOutOfRange", PyRevision(r.0))) } } } pub fn pynew_from_vcsgraph( py: Python, inner: vcsgraph::graph::GraphReadError, ) -> PyErr { match inner { vcsgraph::graph::GraphReadError::InconsistentGraphData => { GraphError::new(py, "InconsistentGraphData") } vcsgraph::graph::GraphReadError::InvalidKey => { GraphError::new(py, "ParentOutOfRange") } vcsgraph::graph::GraphReadError::KeyedInvalidKey(r) => { GraphError::new(py, ("ParentOutOfRange", r)) } vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported => { match py .import("mercurial.error") .and_then(|m| m.get(py, "WdirUnsupported")) { Err(e) => e, Ok(cls) => PyErr::from_instance(py, cls), } } } } } py_exception!(rustext, HgPathPyError, RuntimeError); py_exception!(rustext, FallbackError, RuntimeError); py_exception!(shared_ref, AlreadyBorrowed, RuntimeError);