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annotate rust/hg-pyo3/src/exceptions.rs @ 52871:9f083ff3c96c

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rust-pyo3-dirstate: DirstateMap simple read-only methods This takes care of all read-only methods except: - copymap methods - methods returning iterators These two categories will be done in forthcoming changesets.
author Georges Racinet <georges.racinet@cloudcrane.io>
date Wed, 29 Jan 2025 18:26:10 +0100
parents e7b825893e1b
children ab6198160960
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1 use pyo3::exceptions::{PyOSError, 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::dirstate::{on_disk::DirstateV2ParseError, DirstateError};
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6
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7 use hg::revlog::nodemap::NodeMapError;
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8 use hg::UncheckedRevision;
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10 use crate::revision::PyRevision;
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11
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12 create_exception!(pyo3_rustext, GraphError, PyValueError);
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13 create_exception!(pyo3_rustext, FallbackError, PyRuntimeError);
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14 import_exception!(mercurial.error, WdirUnsupported);
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15
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16 impl GraphError {
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17 pub fn from_hg(inner: hg::GraphError) -> PyErr {
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18 match inner {
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19 hg::GraphError::ParentOutOfRange(r) => {
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20 GraphError::new_err(("ParentOutOfRange", PyRevision(r.0)))
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21 }
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22 hg::GraphError::ParentOutOfOrder(r) => {
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23 GraphError::new_err(("ParentOutOfOrder", PyRevision(r.0)))
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24 }
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25 }
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26 }
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27 pub fn from_vcsgraph(inner: vcsgraph::graph::GraphReadError) -> PyErr {
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28 match inner {
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29 vcsgraph::graph::GraphReadError::InconsistentGraphData => {
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30 GraphError::new_err("InconsistentGraphData")
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31 }
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32 vcsgraph::graph::GraphReadError::InvalidKey => {
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33 GraphError::new_err("ParentOutOfRange")
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34 }
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35 vcsgraph::graph::GraphReadError::KeyedInvalidKey(r) => {
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36 GraphError::new_err(("ParentOutOfRange", r))
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37 }
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38 vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported => {
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39 WdirUnsupported::new_err(())
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40 }
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41 }
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42 }
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43 }
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44
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45 pub fn map_lock_error<T>(e: std::sync::PoisonError<T>) -> PyErr {
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46 PyRuntimeError::new_err(format!("In Rust PyO3 bindings: {e}"))
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47 }
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49 pub fn map_try_lock_error<T>(e: std::sync::TryLockError<T>) -> PyErr {
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50 PyRuntimeError::new_err(format!("In Rust PyO3 bindings: {e}"))
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51 }
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52
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53 pub mod mercurial_py_errors {
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54 pyo3::import_exception!(mercurial.error, RevlogError);
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55 }
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56
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57 pub fn revlog_error_from_msg(e: impl ToString) -> PyErr {
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58 mercurial_py_errors::RevlogError::new_err(e.to_string().into_bytes())
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59 }
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60
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61 pub fn revlog_error_bare() -> PyErr {
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62 mercurial_py_errors::RevlogError::new_err((None::<String>,))
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63 }
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64
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65 pub fn rev_not_in_index(rev: UncheckedRevision) -> PyErr {
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66 PyValueError::new_err(format!("revlog index out of range: {}", rev))
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67 }
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68
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69 pub fn nodemap_error(err: NodeMapError) -> PyErr {
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70 match err {
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71 NodeMapError::MultipleResults => {
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72 mercurial_py_errors::RevlogError::new_err("")
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73 }
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74
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75 NodeMapError::RevisionNotInIndex(rev) => {
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76 PyValueError::new_err(format!(
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77 "Inconsistency: Revision {} found in nodemap \
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78 is not in revlog index",
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79 rev
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80 ))
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81 }
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82 }
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83 }
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84
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85 pub fn graph_error(_err: hg::GraphError) -> PyErr {
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86 // ParentOutOfRange is currently the only alternative
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87 // in `hg::GraphError`. The C index always raises this simple ValueError.
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88 PyValueError::new_err("parent out of range")
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89 }
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91 pub fn dirstate_error(err: DirstateError) -> PyErr {
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92 PyOSError::new_err(format!("Dirstate error: {:?}", err))
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93 }
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94
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95 pub fn dirstate_v2_error(_err: DirstateV2ParseError) -> PyErr {
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96 PyValueError::new_err("corrupted dirstate-v2")
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97 }