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annotate rust/hgcli/src/main.rs @ 45599:cee7a8e37e9c

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hg-core: minor rewording in docstring (D8958#inline-15005 followup) Differential Revision: https://phab.mercurial-scm.org/D9104
author Antoine cezar<acezar@chwitlabs.fr>
date Mon, 28 Sep 2020 14:31:58 +0200
parents 26ce8e751503
children 426294d06ddc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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af739894a4c1 hgcli: add stub PyOxidizer project
Gregory Szorc <gregory.szorc@gmail.com>
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1 use pyembed::MainPythonInterpreter;
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2
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3 // Include an auto-generated file containing the default
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4 // `pyembed::PythonConfig` derived by the PyOxidizer configuration file.
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5 //
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6 // If you do not want to use PyOxidizer to generate this file, simply
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7 // remove this line and instantiate your own instance of
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8 // `pyembed::PythonConfig`.
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9 include!(env!("PYOXIDIZER_DEFAULT_PYTHON_CONFIG_RS"));
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10
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11 fn main() {
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12 // The following code is in a block so the MainPythonInterpreter is destroyed in an
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13 // orderly manner, before process exit.
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14 let code = {
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15 // Load the default Python configuration as derived by the PyOxidizer config
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16 // file used at build time.
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17 let config = default_python_config();
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18
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19 // Construct a new Python interpreter using that config, handling any errors
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20 // from construction.
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21 match MainPythonInterpreter::new(config) {
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22 Ok(mut interp) => {
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23 // And run it using the default run configuration as specified by the
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24 // configuration. If an uncaught Python exception is raised, handle it.
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25 // This includes the special SystemExit, which is a request to terminate the
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26 // process.
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27 interp.run_as_main()
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28 }
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29 Err(msg) => {
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30 eprintln!("{}", msg);
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31 1
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32 }
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33 }
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34 };
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35
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36 // And exit the process according to code execution results.
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37 std::process::exit(code);
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38 }