upstream/mercurial-mirror Files · rust/hg-cpython/src/conversion.rs

tests: allow the true command to be provided by coreutils...

tests: allow the true command to be provided by coreutils The `true` command is sometimes provided as a symbolic link to the `coreutils` single binary. This is the case on NixOS, on which the test was failing because the symbolic link fully resolves to the latter name, equally valid but not previously accepted by the test's golden output. Differential Revision: https://phab.mercurial-scm.org/D11740

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             conversion.rs
        
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        Georges Racinet
    
rust-cpython: moved generic conversion fn out of ancestors module...

              r41276
            
      // conversion.rs

      //

      // Copyright 2019 Georges Racinet <georges.racinet@octobus.net>

      //

      // This software may be used and distributed according to the terms of the

      // GNU General Public License version 2 or any later version.

      //! Bindings for the hg::ancestors module provided by the

      //! `hg-core` crate. From Python, this will be seen as `rustext.ancestor`

        Georges Racinet
    
rust-cpython: removed now useless py_set() conversion...

              r43563
            
      use cpython::{ObjectProtocol, PyObject, PyResult, Python};

        Georges Racinet
    
rust-cpython: moved generic conversion fn out of ancestors module...

              r41276
            
      use hg::Revision;

      use std::iter::FromIterator;

      /// Utility function to convert a Python iterable into various collections

      ///

      /// We need this in particular to feed to various methods of inner objects

      /// with `impl IntoIterator<Item=Revision>` arguments, because

      /// a `PyErr` can arise at each step of iteration, whereas these methods

      /// expect iterables over `Revision`, not over some `Result<Revision, PyErr>`

      pub fn rev_pyiter_collect<C>(py: Python, revs: &PyObject) -> PyResult<C>

      where

          C: FromIterator<Revision>,

      {

          revs.iter(py)?

              .map(|r| r.and_then(|o| o.extract::<Revision>(py)))

              .collect()

      }

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Georges Racinet rust-cpython: moved generic conversion fn out of ancestors module...	r41276	// conversion.rs
		//
		// Copyright 2019 Georges Racinet <georges.racinet@octobus.net>
		//
		// This software may be used and distributed according to the terms of the
		// GNU General Public License version 2 or any later version.

		//! Bindings for the hg::ancestors module provided by the
		//! `hg-core` crate. From Python, this will be seen as `rustext.ancestor`

Georges Racinet rust-cpython: removed now useless py_set() conversion...	r43563	use cpython::{ObjectProtocol, PyObject, PyResult, Python};
Georges Racinet rust-cpython: moved generic conversion fn out of ancestors module...	r41276	use hg::Revision;
		use std::iter::FromIterator;

		/// Utility function to convert a Python iterable into various collections
		///
		/// We need this in particular to feed to various methods of inner objects
		/// with `impl IntoIterator<Item=Revision>` arguments, because
		/// a `PyErr` can arise at each step of iteration, whereas these methods
		/// expect iterables over `Revision`, not over some `Result<Revision, PyErr>`
		pub fn rev_pyiter_collect<C>(py: Python, revs: &PyObject) -> PyResult<C>
		where
		C: FromIterator<Revision>,
		{
		revs.iter(py)?
		.map(\|r\| r.and_then(\|o\| o.extract::<Revision>(py)))
		.collect()
		}