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annotate rust/hg-cpython/src/lib.rs @ 42217:13b64247f48f

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rust-discovery: cpython bindings for the core logic As previously done with the ancestors submodule, testing for the bindings is provided from Python on a trivial case. Differential Revision: https://phab.mercurial-scm.org/D6232
author Georges Racinet <georges.racinet@octobus.net>
date Wed, 20 Feb 2019 09:04:39 +0100
parents 0c7b353ce100
children e240bec26626
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1 // lib.rs
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2 //
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3 // Copyright 2018 Georges Racinet <gracinet@anybox.fr>
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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 //! Python bindings of `hg-core` objects using the `cpython` crate.
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9 //! Once compiled, the resulting single shared library object can be placed in
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10 //! the `mercurial` package directly as `rustext.so` or `rustext.dll`.
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11 //! It holds several modules, so that from the point of view of Python,
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12 //! it behaves as the `cext` package.
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13 //!
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14 //! Example:
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15 //!
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16 //! ```text
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17 //! >>> from mercurial.rustext import ancestor
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18 //! >>> ancestor.__doc__
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19 //! 'Generic DAG ancestor algorithms - Rust implementation'
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20 //! ```
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21
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22 #[macro_use]
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23 extern crate cpython;
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24 extern crate hg;
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25 extern crate libc;
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26
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27 pub mod ancestors;
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28 mod cindex;
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29 mod conversion;
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30 pub mod dagops;
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31 pub mod discovery;
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32 pub mod exceptions;
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33
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34 py_module_initializer!(rustext, initrustext, PyInit_rustext, |py, m| {
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35 m.add(
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36 py,
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37 "__doc__",
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38 "Mercurial core concepts - Rust implementation",
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39 )?;
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40
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41 let dotted_name: String = m.get(py, "__name__")?.extract(py)?;
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42 m.add(py, "ancestor", ancestors::init_module(py, &dotted_name)?)?;
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43 m.add(py, "dagop", dagops::init_module(py, &dotted_name)?)?;
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44 m.add(py, "discovery", discovery::init_module(py, &dotted_name)?)?;
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45 m.add(py, "GraphError", py.get_type::<exceptions::GraphError>())?;
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46 Ok(())
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47 });