This is an archive of the discontinued Mercurial Phabricator instance.

Differential D7057

rust-utils: introduce a debug util to print the python stack trace
ClosedPublic

Authored by Alphare on Oct 11 2019, 7:42 AM.

Details

Reviewers
pulkit
Group Reviewers
hg-reviewers
Commits
rHG970978975574: rust-utils: introduce a debug util to print the python stack trace
rHG8a6df4e4d236: rust-utils: introduce a debug util to print the python stack trace
rHG886f0822a38e: rust-utils: introduce a debug util to print the python stack trace

Diff Detail

Repository
rHG Mercurial
Lint
Lint Skipped
Unit
Unit Tests Skipped

Revision Contents
Changeset List

Diff 17064

rust/hg-cpython/src/lib.rs

#[macro_use] #[macro_use]
pub mod ref_sharing; pub mod ref_sharing;
pub mod dagops; pub mod dagops;
pub mod dirstate; pub mod dirstate;
pub mod discovery; pub mod discovery;
pub mod exceptions; pub mod exceptions;
pub mod filepatterns; pub mod filepatterns;
pub mod parsers; pub mod parsers;
pub mod utils;
py_module_initializer!(rustext, initrustext, PyInit_rustext, |py, m| { py_module_initializer!(rustext, initrustext, PyInit_rustext, |py, m| {
m.add( m.add(
py, py,
"__doc__", "__doc__",
"Mercurial core concepts - Rust implementation", "Mercurial core concepts - Rust implementation",
)?; )?;

rust/hg-cpython/src/utils.rs

  • This file was added.
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))
}