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rust-re2: add wrapper for calling Re2 from Rust...
rust-re2: add wrapper for calling Re2 from Rust This assumes that Re2 is installed following Google's guide. I am not sure how we want to integrate it in the project, but I think a follow-up patch would be more appropriate for such work. As it stands, *not* having Re2 installed results in a compilation error, which is a problem as it breaks install compatibility. Hence, this is gated behind a non-default `with-re2` compilation feature. Differential Revision: https://phab.mercurial-scm.org/D7910

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utils.rs
13 lines | 538 B | application/rls-services+xml | RustLexer
use cpython::{PyDict, PyObject, PyResult, PyTuple, Python};
#[allow(unused)]
pub fn print_python_trace(py: Python) -> PyResult<PyObject> {
eprintln!("===============================");
eprintln!("Printing Python stack from Rust");
eprintln!("===============================");
let traceback = py.import("traceback")?;
let sys = py.import("sys")?;
let kwargs = PyDict::new(py);
kwargs.set_item(py, "file", sys.get(py, "stderr")?)?;
traceback.call(py, "print_stack", PyTuple::new(py, &[]), Some(&kwargs))
}