Mercurial > hg
changeset 43251:970978975574
rust-utils: introduce a debug util to print the python stack trace
Differential Revision: https://phab.mercurial-scm.org/D7057
| author | Raphaël Gomès <rgomes@octobus.net> |
|---|---|
| date | Mon, 07 Oct 2019 23:17:44 +0200 |
| parents | 98d996a138de |
| children | 32187ae9eeb3 |
| files | rust/hg-cpython/src/lib.rs rust/hg-cpython/src/utils.rs |
| diffstat | 2 files changed, 14 insertions(+), 0 deletions(-) [+] |
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--- a/rust/hg-cpython/src/lib.rs Wed Oct 16 17:16:23 2019 +0300 +++ b/rust/hg-cpython/src/lib.rs Mon Oct 07 23:17:44 2019 +0200 @@ -35,6 +35,7 @@ pub mod exceptions; pub mod filepatterns; pub mod parsers; +pub mod utils; py_module_initializer!(rustext, initrustext, PyInit_rustext, |py, m| { m.add(
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rust/hg-cpython/src/utils.rs Mon Oct 07 23:17:44 2019 +0200 @@ -0,0 +1,13 @@ +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)) +}