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annotate rust/hg-cpython/src/conversion.rs @ 48599:abbecb5cd6f3

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blackbox: change year in logs to ISO 8601 format AFAIK, year/month/day is not a format than anyone uses. It seems more sensible to me to use ISO 8601, as that's standard and unambiguously year-month-day. Compatibility-wise, I think it's acceptable to change the default format. It's most for human consumption. It's plausible that a few tools parse this format, but it has already changed in the past (for instance to add the current revision). Differential Revision: https://phab.mercurial-scm.org/D12006
author Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
date Mon, 17 Jan 2022 21:20:46 -0500
parents 33fe96a5c522
children c7fb9b74e753
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1 // conversion.rs
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2 //
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3 // Copyright 2019 Georges Racinet <georges.racinet@octobus.net>
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4 //
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5 // This software may be used and distributed according to the terms of the
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6 // GNU General Public License version 2 or any later version.
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7
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8 //! Bindings for the hg::ancestors module provided by the
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9 //! `hg-core` crate. From Python, this will be seen as `rustext.ancestor`
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11 use cpython::{ObjectProtocol, PyObject, PyResult, Python};
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12 use hg::Revision;
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13 use std::iter::FromIterator;
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14
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15 /// Utility function to convert a Python iterable into various collections
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16 ///
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17 /// We need this in particular to feed to various methods of inner objects
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18 /// with `impl IntoIterator<Item=Revision>` arguments, because
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19 /// a `PyErr` can arise at each step of iteration, whereas these methods
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20 /// expect iterables over `Revision`, not over some `Result<Revision, PyErr>`
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21 pub fn rev_pyiter_collect<C>(py: Python, revs: &PyObject) -> PyResult<C>
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22 where
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23 C: FromIterator<Revision>,
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24 {
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25 revs.iter(py)?
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26 .map(|r| r.and_then(|o| o.extract::<Revision>(py)))
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27 .collect()
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28 }