view rust/hg-cpython/src/debug.rs @ 51245:0b81440e2a73

rust-index: using `hg::index::Index` in discovery

At this point the C index is not used any more: we had to
remove `pyindex_to_graph()` to avoid the dead code warning.

// debug.rs
//
// Copyright 2020 Raphaël Gomès <[e-mail]>
//
// This software may be used and distributed according to the terms of the
// GNU General Public License version 2 or any later version.

//! Module to get debug information about Rust extensions.
use cpython::{PyDict, PyModule, PyResult, Python};

/// Create the module, with `__package__` given from parent
pub fn init_module(py: Python, package: &str) -> PyResult<PyModule> {
    let dotted_name = &format!("{}.debug", package);
    let m = PyModule::new(py, dotted_name)?;

    m.add(py, "__package__", package)?;
    m.add(py, "__doc__", "Rust debugging information")?;

    let sys = PyModule::import(py, "sys")?;
    let sys_modules: PyDict = sys.get(py, "modules")?.extract(py)?;
    sys_modules.set_item(py, dotted_name, &m)?;

    Ok(m)
}