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annotate rust/hg-cpython/src/utils.rs @ 43251:970978975574

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rust-utils: introduce a debug util to print the python stack trace Differential Revision: https://phab.mercurial-scm.org/D7057
author Rapha?l Gom?s <rgomes@octobus.net>
date Mon, 07 Oct 2019 23:17:44 +0200
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children d738b7a18438
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rev   line source
43251
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
parents:
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1 use cpython::{PyDict, PyObject, PyResult, PyTuple, Python};
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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2
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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3 #[allow(unused)]
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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4 pub fn print_python_trace(py: Python) -> PyResult<PyObject> {
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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5 eprintln!("===============================");
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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6 eprintln!("Printing Python stack from Rust");
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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7 eprintln!("===============================");
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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8 let traceback = py.import("traceback")?;
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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9 let sys = py.import("sys")?;
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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10 let kwargs = PyDict::new(py);
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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11 kwargs.set_item(py, "file", sys.get(py, "stderr")?)?;
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
parents:
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12 traceback.call(py, "print_stack", PyTuple::new(py, &[]), Some(&kwargs))
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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13 }