rust/hg-pyo3/src/exceptions.rs
author Georges Racinet <georges.racinet@cloudcrane.io>
Tue, 24 Dec 2024 18:14:07 +0100
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child 52780 42b219a1404a
permissions -rw-r--r--
rust-pyo3-revlog: Python RevlogError with helper This is singled out because it defines the inner submobule for Mercurial Python exceptions
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use pyo3::exceptions::{PyRuntimeError, PyValueError};
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use pyo3::import_exception;
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use pyo3::{create_exception, PyErr};
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use crate::revision::PyRevision;
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create_exception!(pyo3_rustext, GraphError, PyValueError);
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import_exception!(mercurial.error, WdirUnsupported);
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impl GraphError {
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    pub fn from_hg(inner: hg::GraphError) -> PyErr {
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        match inner {
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            hg::GraphError::ParentOutOfRange(r) => {
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                GraphError::new_err(("ParentOutOfRange", PyRevision(r.0)))
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            }
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            hg::GraphError::ParentOutOfOrder(r) => {
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                GraphError::new_err(("ParentOutOfOrder", PyRevision(r.0)))
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            }
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        }
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    }
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    pub fn from_vcsgraph(inner: vcsgraph::graph::GraphReadError) -> PyErr {
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        match inner {
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            vcsgraph::graph::GraphReadError::InconsistentGraphData => {
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                GraphError::new_err("InconsistentGraphData")
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            }
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            vcsgraph::graph::GraphReadError::InvalidKey => {
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                GraphError::new_err("ParentOutOfRange")
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            }
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            vcsgraph::graph::GraphReadError::KeyedInvalidKey(r) => {
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                GraphError::new_err(("ParentOutOfRange", r))
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            }
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            vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported => {
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                WdirUnsupported::new_err(())
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            }
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        }
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    }
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}
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pub fn map_lock_error<T>(e: std::sync::PoisonError<T>) -> PyErr {
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    PyRuntimeError::new_err(format!("In Rust PyO3 bindings: {e}"))
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}
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/// Submodule to hold Mercurial errors defined on the Python side
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///
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/// This is better for clarity, as many hg-core errors have the same names
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/// as their Python world counterparts
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pub mod mercurial_py_errors {
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    pyo3::import_exception!(mercurial.error, RevlogError);
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}
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#[allow(dead_code)]
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pub fn revlog_error_from_msg(e: impl ToString) -> PyErr {
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    mercurial_py_errors::RevlogError::new_err(e.to_string().into_bytes())
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}