Mercurial > public > mercurial-scm > hg

annotate rust/hg-cpython/src/conversion.rs @ 51196:44fbb7dfb563

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rust-index: renamed nodemap error function for rev not in index The function name was misleading, as the error wording mentions the nodemap, hence would not be appropriate for missing revisions not related to a nodemap lookup.
author Georges Racinet <georges.racinet@octobus.net>
date Wed, 18 Oct 2023 19:54:18 +0200
parents 4c5f6e95df84
children 5a7d5fd6808c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
41240
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
1 // conversion.rs
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
2 //
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
3 // Copyright 2019 Georges Racinet <georges.racinet@octobus.net>
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
4 //
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
5 // This software may be used and distributed according to the terms of the
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
6 // GNU General Public License version 2 or any later version.
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
7
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
8 //! Bindings for the hg::ancestors module provided by the
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
9 //! `hg-core` crate. From Python, this will be seen as `rustext.ancestor`
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
10
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
11 use cpython::{ObjectProtocol, PyErr, PyObject, PyResult, Python};
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
12 use hg::{Revision, RevlogIndex, UncheckedRevision};
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
13
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
14 use crate::{exceptions::GraphError, PyRevision};
41240
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
15
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
16 /// Utility function to convert a Python iterable into various collections
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
17 ///
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
18 /// We need this in particular to feed to various methods of inner objects
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
19 /// with `impl IntoIterator<Item=Revision>` arguments, because
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
20 /// a `PyErr` can arise at each step of iteration, whereas these methods
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
21 /// expect iterables over `Revision`, not over some `Result<Revision, PyErr>`
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
22 pub fn rev_pyiter_collect<C, I>(
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
23 py: Python,
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
24 revs: &PyObject,
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
25 index: &I,
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
26 ) -> PyResult<C>
41240
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
27 where
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
28 C: FromIterator<Revision>,
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
29 I: RevlogIndex,
41240
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
30 {
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
31 revs.iter(py)?
50976
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
32 .map(|r| {
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
33 r.and_then(|o| match o.extract::<PyRevision>(py) {
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
34 Ok(r) => index
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
35 .check_revision(UncheckedRevision(r.0))
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
36 .ok_or_else(|| {
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
37 PyErr::new::<GraphError, _>(
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
38 py,
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
39 ("InvalidRevision", r.0),
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
40 )
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
41 }),
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
42 Err(e) => Err(e),
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
43 })
4c5f6e95df84 rust: make `Revision` a newtype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 49631
diff changeset
44 })
41240
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
45 .collect()
ff333620a4cc rust-cpython: moved generic conversion fn out of ancestors module
Georges Racinet <georges.racinet@octobus.net>
parents:
diff changeset
46 }