mercurial-scm/hg: rust/hg-cpython/src/conversion.rs@4c5f6e95df84 (annotated)

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	}

author	Rapha?l Gom?s <rgomes@octobus.net>
	Fri, 18 Aug 2023 14:34:29 +0200
changeset 50976	4c5f6e95df84
parent 49631	c7fb9b74e753
child 51218	5a7d5fd6808c
permissions	-rw-r--r--