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bpo-39796: Fix _warnings module initialization (GH-18739)

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* Add _PyWarnings_InitState() which only initializes the _warnings
  module state (tstate->interp->warnings) without creating a module
  object
* Py_InitializeFromConfig() now calls _PyWarnings_InitState() instead
  of _PyWarnings_Init()
* Rename also private functions of _warnings.c to avoid confusion
  between the public C API and the private C API.
This commit is contained in:
Victor Stinner 2020-03-02 15:02:18 +01:00 • committed by GitHub
parent 4482337dec
commit 66b7973c1b
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 29 additions and 15 deletions
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5
Python/pylifecycle.c
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@ -677,8 +677,9 @@ pycore_init_import_warnings(PyThreadState *tstate, PyObject *sysmod)
const PyConfig *config = &tstate->interp->config;
if (_Py_IsMainInterpreter(tstate)) {
/* Initialize _warnings. */
if (_PyWarnings_Init() == NULL) {
return _PyStatus_ERR("can't initialize warnings");
status = _PyWarnings_InitState(tstate);
if (_PyStatus_EXCEPTION(status)) {
return status;
}
if (config->_install_importlib) {