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annotate rust/hg-cpython/src/lib.rs @ 47981:8f031a274cd6

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rust: Move PyBytesWithData out of copy-tracing code So we can use it in other places to. Replace its `.data()` method with the `Deref<Target = [u8]>` trait, allowing this type to be used in generic contexts. Rename the type accordingly. Differential Revision: https://phab.mercurial-scm.org/D11395
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 06 Sep 2021 13:39:54 +0200
parents 50c5ee3bdf9a
children 1194394510ba
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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 /// This crate uses nested private macros, `extern crate` is still needed in
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23 /// 2018 edition.
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24 #[macro_use]
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25 extern crate cpython;
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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 #[macro_use]
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31 pub mod ref_sharing;
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32 pub mod copy_tracing;
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33 pub mod dagops;
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34 pub mod debug;
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35 pub mod dirstate;
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36 pub mod discovery;
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37 pub mod exceptions;
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38 pub mod parsers;
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39 mod pybytes_deref;
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40 pub mod revlog;
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41 pub mod utils;
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42
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43 py_module_initializer!(rustext, initrustext, PyInit_rustext, |py, m| {
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44 m.add(
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45 py,
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46 "__doc__",
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47 "Mercurial core concepts - Rust implementation",
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48 )?;
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49
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50 let dotted_name: String = m.get(py, "__name__")?.extract(py)?;
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51 m.add(py, "ancestor", ancestors::init_module(py, &dotted_name)?)?;
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52 m.add(py, "dagop", dagops::init_module(py, &dotted_name)?)?;
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53 m.add(py, "debug", debug::init_module(py, &dotted_name)?)?;
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54 m.add(
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55 py,
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56 "copy_tracing",
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57 copy_tracing::init_module(py, &dotted_name)?,
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58 )?;
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59 m.add(py, "discovery", discovery::init_module(py, &dotted_name)?)?;
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60 m.add(py, "dirstate", dirstate::init_module(py, &dotted_name)?)?;
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61 m.add(py, "revlog", revlog::init_module(py, &dotted_name)?)?;
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62 m.add(
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63 py,
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64 "parsers",
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65 parsers::init_parsers_module(py, &dotted_name)?,
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66 )?;
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67 m.add(py, "GraphError", py.get_type::<exceptions::GraphError>())?;
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68 Ok(())
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69 });
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70
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71 #[cfg(not(any(feature = "python27-bin", feature = "python3-bin")))]
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72 #[test]
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73 #[ignore]
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74 fn libpython_must_be_linked_to_run_tests() {
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75 // stub function to tell that some tests wouldn't run
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76 }