Mercurial > hg
view rust/hg-cpython/src/exceptions.rs @ 44137:3bd77c64bc74
rust-filepatterns: remove bridge code for filepatterns-related functions
These functions will be used internally by `hg-core` without needed to be
exposed to Python.
Differential Revision: https://phab.mercurial-scm.org/D7868
author | Raphaël Gomès <rgomes@octobus.net> |
---|---|
date | Tue, 14 Jan 2020 16:58:07 +0100 |
parents | 7a01778bc7b7 |
children | 9804badd5970 |
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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; 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", r)) } hg::GraphError::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!(shared_ref, AlreadyBorrowed, RuntimeError);