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revlog: using two new functions in C capsule from Rust code...
revlog: using two new functions in C capsule from Rust code We expose `index_length` and `index_node` in the C capsule, so that the Rust representation of the C index can implement the `RevlogIndex` trait. Because our `Node` is actually a one-field struct, we have to decorate it for direct FFI exchange with the C `char*` It would be a good thing to get a length from the C layer, but doing so right now would probably interfere with the upcoming changes that will happen there for the hash length. Differential Revision: https://phab.mercurial-scm.org/D8152

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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))
}