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bpo-36763: PyConfig_Read() handles PySys_AddXOption() (GH-15431)

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PyConfig_Read() is now responsible to handle early calls to
PySys_AddXOption() and PySys_AddWarnOption().

Options added by PySys_AddXOption() are now handled the same way than
PyConfig.xoptions and command line -X options.

For example, PySys_AddXOption(L"faulthandler") enables faulthandler
as expected.
This commit is contained in:
Victor Stinner 2019-08-23 18:03:08 +01:00 • committed by GitHub
parent 1beb7c3de9
commit 120b707a6d
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 115 additions and 30 deletions
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58
Python/sysmodule.c
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@ -2037,36 +2037,43 @@ _clear_preinit_entries(_Py_PreInitEntry *optionlist)
PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
}
static void
_clear_all_preinit_options(void)
PyStatus
_PySys_ReadPreinitWarnOptions(PyConfig *config)
{
PyStatus status;
_Py_PreInitEntry entry;
for (entry = _preinit_warnoptions; entry != NULL; entry = entry->next) {
status = PyWideStringList_Append(&config->warnoptions, entry->value);
if (_PyStatus_EXCEPTION(status)) {
return status;
}
}
_clear_preinit_entries(&_preinit_warnoptions);
_clear_preinit_entries(&_preinit_xoptions);
return _PyStatus_OK();
}
static int
sys_read_preinit_options(PyThreadState *tstate)
PyStatus
_PySys_ReadPreinitXOptions(PyConfig *config)
{
/* Rerun the add commands with the actual sys module available */
if (tstate == NULL) {
/* Still don't have a thread state, so something is wrong! */
return -1;
}
_Py_PreInitEntry entry = _preinit_warnoptions;
while (entry != NULL) {
PySys_AddWarnOption(entry->value);
entry = entry->next;
}
entry = _preinit_xoptions;
while (entry != NULL) {
PySys_AddXOption(entry->value);
entry = entry->next;
PyStatus status;
_Py_PreInitEntry entry;
for (entry = _preinit_xoptions; entry != NULL; entry = entry->next) {
status = PyWideStringList_Append(&config->xoptions, entry->value);
if (_PyStatus_EXCEPTION(status)) {
return status;
}
}
_clear_all_preinit_options();
return 0;
_clear_preinit_entries(&_preinit_xoptions);
return _PyStatus_OK();
}
static PyObject *
get_warnoptions(PyThreadState *tstate)
{
@ -2235,9 +2242,7 @@ PySys_AddXOption(const wchar_t *s)
}
if (_PySys_AddXOptionWithError(s) < 0) {
/* No return value, therefore clear error state if possible */
if (tstate) {
_PyErr_Clear(tstate);
}
_PyErr_Clear(tstate);
}
}
@ -2898,11 +2903,6 @@ _PySys_InitMain(_PyRuntimeState *runtime, PyThreadState *tstate)
if (get_xoptions(tstate) == NULL)
return -1;
/* Transfer any sys.warnoptions and sys._xoptions set directly
* by an embedding application from the linked list to the module. */
if (sys_read_preinit_options(tstate) != 0)
return -1;
if (_PyErr_Occurred(tstate)) {
goto err_occurred;
}