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annotate rust/hg-pyo3/src/path.rs @ 52859:9f083ff3c96c

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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 c60f69556924
children 09eb477eec65
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1 // path.rs
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2 //
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3 // Copyright 2019 Raphaël Gomès <rgomes@octobus.net>
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4 // 2025 Georges Racinet <georges.racinet@cloudcrane.io>
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5 //
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6 // This software may be used and distributed according to the terms of the
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7 // GNU General Public License version 2 or any later version.
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8 //! Utilities about `HgPath` and related objects provided by the `hg-core`
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9 //! package.
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10
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11 use pyo3::prelude::*;
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12 use pyo3::types::{PyBytes, PyList};
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13
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14 use std::convert::Infallible;
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15
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16 use hg::utils::hg_path::{HgPath, HgPathBuf};
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17
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18 #[derive(Eq, Ord, PartialEq, PartialOrd, Hash, derive_more::From)]
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19 pub struct PyHgPathRef<'a>(pub &'a HgPath);
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20
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21 impl<'py> IntoPyObject<'py> for PyHgPathRef<'_> {
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22 type Target = PyBytes;
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23 type Output = Bound<'py, Self::Target>;
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24 type Error = Infallible;
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25
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26 fn into_pyobject(
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27 self,
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28 py: Python<'py>,
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29 ) -> Result<Self::Output, Self::Error> {
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30 Ok(PyBytes::new(py, self.0.as_bytes()))
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31 }
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32 }
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33
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34 #[allow(dead_code)]
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35 pub fn paths_py_list<I, U>(
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36 py: Python<'_>,
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37 paths: impl IntoIterator<Item = I, IntoIter = U>,
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38 ) -> PyResult<Py<PyList>>
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39 where
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40 I: AsRef<HgPath>,
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41 U: ExactSizeIterator<Item = I>,
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42 {
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43 Ok(PyList::new(
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44 py,
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45 paths
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46 .into_iter()
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47 .map(|p| PyBytes::new(py, p.as_ref().as_bytes())),
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48 )?
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49 .unbind())
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50 }
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51
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52 #[allow(dead_code)]
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53 pub fn paths_pyiter_collect<C>(paths: &Bound<'_, PyAny>) -> PyResult<C>
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54 where
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55 C: FromIterator<HgPathBuf>,
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56 {
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57 paths
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58 .try_iter()?
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59 .map(|p| {
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60 let path = p?;
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61 Ok(HgPathBuf::from_bytes(
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62 path.downcast::<PyBytes>()?.as_bytes(),
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63 ))
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64 })
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65 .collect()
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66 }