exceptions.rs
44 lines
| 1.3 KiB
| application/rls-services+xml
|
RustLexer
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r41220 | // 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` | ||||
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r41385 | //! but some variants of `hg::GraphError` can be converted directly to other | ||
//! existing Python exceptions if appropriate. | ||||
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r41220 | //! | ||
//! [`GraphError`]: struct.GraphError.html | ||||
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r42828 | use cpython::{ | ||
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r44589 | exc::{RuntimeError, ValueError}, | ||
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r42828 | py_exception, PyErr, Python, | ||
}; | ||||
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r41001 | 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)) | ||||
} | ||||
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r41385 | hg::GraphError::WorkingDirectoryUnsupported => { | ||
match py | ||||
.import("mercurial.error") | ||||
.and_then(|m| m.get(py, "WdirUnsupported")) | ||||
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r42760 | { | ||
Err(e) => e, | ||||
Ok(cls) => PyErr::from_instance(py, cls), | ||||
} | ||||
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r42515 | } | ||
} | ||||
} | ||||
} | ||||
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r43227 | py_exception!(rustext, HgPathPyError, RuntimeError); | ||
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r42515 | |||
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r42997 | py_exception!(shared_ref, AlreadyBorrowed, RuntimeError); | ||