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annotate rust/hg-pyo3/src/exceptions.rs @ 52805:acae91fad6be

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rust-pyo3-revlog: standalone NodeTree class This is the actual first usage of `PyShareable`, but perhaps it could be not so much necessary in this case (we could just reference the `InnerRevlog` python object, and we do not need to keep additional state).
author Georges Racinet <georges.racinet@cloudcrane.io>
date Sun, 22 Dec 2024 17:02:09 +0100
parents 1b9907575768
children adf91dfe6c04
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 use pyo3::exceptions::{PyRuntimeError, PyValueError};
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2 use pyo3::import_exception;
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3 use pyo3::{create_exception, PyErr};
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4
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5 use hg::revlog::nodemap::NodeMapError;
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6 use hg::UncheckedRevision;
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8 use crate::revision::PyRevision;
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9
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10 create_exception!(pyo3_rustext, GraphError, PyValueError);
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11 import_exception!(mercurial.error, WdirUnsupported);
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12
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13 impl GraphError {
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14 pub fn from_hg(inner: hg::GraphError) -> PyErr {
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15 match inner {
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16 hg::GraphError::ParentOutOfRange(r) => {
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17 GraphError::new_err(("ParentOutOfRange", PyRevision(r.0)))
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18 }
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19 hg::GraphError::ParentOutOfOrder(r) => {
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20 GraphError::new_err(("ParentOutOfOrder", PyRevision(r.0)))
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21 }
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23 }
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24 pub fn from_vcsgraph(inner: vcsgraph::graph::GraphReadError) -> PyErr {
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25 match inner {
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26 vcsgraph::graph::GraphReadError::InconsistentGraphData => {
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27 GraphError::new_err("InconsistentGraphData")
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28 }
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29 vcsgraph::graph::GraphReadError::InvalidKey => {
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30 GraphError::new_err("ParentOutOfRange")
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31 }
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32 vcsgraph::graph::GraphReadError::KeyedInvalidKey(r) => {
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33 GraphError::new_err(("ParentOutOfRange", r))
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34 }
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35 vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported => {
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36 WdirUnsupported::new_err(())
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37 }
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38 }
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39 }
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40 }
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41
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42 pub fn map_lock_error<T>(e: std::sync::PoisonError<T>) -> PyErr {
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43 PyRuntimeError::new_err(format!("In Rust PyO3 bindings: {e}"))
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44 }
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46 pub fn map_try_lock_error<T>(e: std::sync::TryLockError<T>) -> PyErr {
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47 PyRuntimeError::new_err(format!("In Rust PyO3 bindings: {e}"))
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48 }
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50 pub mod mercurial_py_errors {
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51 pyo3::import_exception!(mercurial.error, RevlogError);
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52 }
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53
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54 pub fn revlog_error_from_msg(e: impl ToString) -> PyErr {
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55 mercurial_py_errors::RevlogError::new_err(e.to_string().into_bytes())
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56 }
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57
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58 pub fn revlog_error_bare() -> PyErr {
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59 mercurial_py_errors::RevlogError::new_err((None::<String>,))
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60 }
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62 pub fn rev_not_in_index(rev: UncheckedRevision) -> PyErr {
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63 PyValueError::new_err(format!("revlog index out of range: {}", rev))
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64 }
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65
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66 pub fn nodemap_error(err: NodeMapError) -> PyErr {
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67 match err {
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68 NodeMapError::MultipleResults => {
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69 mercurial_py_errors::RevlogError::new_err("")
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70 }
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71
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72 NodeMapError::RevisionNotInIndex(rev) => {
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73 PyValueError::new_err(format!(
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74 "Inconsistency: Revision {} found in nodemap \
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75 is not in revlog index",
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76 rev
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77 ))
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78 }
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79 }
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80 }