##// END OF EJS Templates
changelog: change the implementation of `_divertopener`...
changelog: change the implementation of `_divertopener` During a transaction, new data to the changelog index are "diverted". The previous implementat ways pretty basic, we need something better to be able to use the changelog vfs fully during transaction. (eg: accessing the vfs options). Differential Revision: https://phab.mercurial-scm.org/D8185

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exceptions.rs
42 lines | 1.3 KiB | application/rls-services+xml | RustLexer
// 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);