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rust-cpython: add `debug` module to expose debug information to Python This will be mostly used in `debuginstall`. Differential Revision: https://phab.mercurial-scm.org/D8225
author Rapha?l Gom?s <rgomes@octobus.net>
date Thu, 05 Mar 2020 10:24:10 +0100
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children 9f96beb9bafe
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44531
d4f19eb471ca rust-cpython: add `debug` module to expose debug information to Python
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1 // debug.rs
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2 //
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3 // Copyright 2020 Raphaël Gomès <rgomes@octobus.net>
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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 //! Module to get debug information about Rust extensions.
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9 use cpython::{PyDict, PyModule, PyResult, Python};
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11 /// Create the module, with `__package__` given from parent
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12 pub fn init_module(py: Python, package: &str) -> PyResult<PyModule> {
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13 let dotted_name = &format!("{}.debug", package);
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14 let m = PyModule::new(py, dotted_name)?;
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16 m.add(py, "__package__", package)?;
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17 m.add(py, "__doc__", "Rust debugging information")?;
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19 m.add(py, "re2_installed", cfg!(feature = "with-re2"))?;
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21 let sys = PyModule::import(py, "sys")?;
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22 let sys_modules: PyDict = sys.get(py, "modules")?.extract(py)?;
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23 sys_modules.set_item(py, dotted_name, &m)?;
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25 Ok(m)
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26 }