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annotate rust/hg-cpython/src/utils.rs @ 44070:451d22174b5f

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revlog: run rustfmt nightly I'm a little nervous about folding this back (might be nightly rustfmt mismatches?) so I want someone to review this. Differential Revision: https://phab.mercurial-scm.org/D7813
author Augie Fackler <augie@google.com>
date Wed, 08 Jan 2020 14:37:54 -0500
parents 970978975574
children d738b7a18438
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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43251
970978975574 rust-utils: introduce a debug util to print the python stack trace
Rapha?l Gom?s <rgomes@octobus.net>
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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")?)?;
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Rapha?l Gom?s <rgomes@octobus.net>
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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 }