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Initialize warnings module during interpreter startup to process #6766

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Merged
youknowone merged 1 commit into from
Jan 18, 2026
Merged

Initialize warnings module during interpreter startup to process #6766

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2 changes: 0 additions & 2 deletions Lib/test/test_warnings/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -841,8 +841,6 @@ def test_improper_option(self):
rc, out, err = assert_python_ok("-Wxxx", "-c", "pass")
self.assertIn(b"Invalid -W option ignored: invalid action: 'xxx'", err)

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_warnings_bootstrap(self):
# Check that the warnings module does get loaded when -W<some option>
# is used (see issue #10372 for an example of silent bootstrap failure).
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6 changes: 6 additions & 0 deletions src/lib.rs
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Expand Up @@ -219,6 +219,12 @@ fn run_rustpython(vm: &VirtualMachine, run_mode: RunMode) -> PyResult<()> {
);
}

// Initialize warnings module to process sys.warnoptions
// _PyWarnings_Init()
if vm.import("warnings", 0).is_err() {
warn!("Failed to import warnings module");
}

// _PyPathConfig_ComputeSysPath0 - set sys.path[0] after site import
if !vm.state.config.settings.safe_path {
let path0: Option<String> = match &run_mode {
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