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c2627d6eea
This PR adds the ability to enable the GIL if it was disabled at interpreter startup, and modifies the multi-phase module initialization path to enable the GIL when loading a module, unless that module's spec includes a slot indicating it can run safely without the GIL. PEP 703 called the constant for the slot `Py_mod_gil_not_used`; I went with `Py_MOD_GIL_NOT_USED` for consistency with gh-104148. A warning will be issued up to once per interpreter for the first GIL-using module that is loaded. If `-v` is given, a shorter message will be printed to stderr every time a GIL-using module is loaded (including the first one that issues a warning).
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
#include "Python.h"
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#include "pycore_pyerrors.h"
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#include "clinic/_suggestions.c.h"
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/*[clinic input]
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module _suggestions
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[clinic start generated code]*/
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/*[clinic end generated code: output=da39a3ee5e6b4b0d input=e58d81fafad5637b]*/
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/*[clinic input]
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_suggestions._generate_suggestions
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candidates: object
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item: unicode
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/
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Returns the candidate in candidates that's closest to item
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[clinic start generated code]*/
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static PyObject *
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_suggestions__generate_suggestions_impl(PyObject *module,
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PyObject *candidates, PyObject *item)
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/*[clinic end generated code: output=79be7b653ae5e7ca input=ba2a8dddc654e33a]*/
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{
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// Check if dir is a list
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if (!PyList_Check(candidates)) {
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PyErr_SetString(PyExc_TypeError, "candidates must be a list");
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return NULL;
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}
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// Check if all elements in the list are Unicode
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Py_ssize_t size = PyList_Size(candidates);
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for (Py_ssize_t i = 0; i < size; ++i) {
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PyObject *elem = PyList_GetItem(candidates, i);
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if (!PyUnicode_Check(elem)) {
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PyErr_SetString(PyExc_TypeError, "all elements in 'candidates' must be strings");
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return NULL;
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}
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}
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PyObject* result = _Py_CalculateSuggestions(candidates, item);
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if (!result && !PyErr_Occurred()) {
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Py_RETURN_NONE;
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}
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return result;
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}
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static PyMethodDef module_methods[] = {
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_SUGGESTIONS__GENERATE_SUGGESTIONS_METHODDEF
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{NULL, NULL, 0, NULL} // Sentinel
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};
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static PyModuleDef_Slot module_slots[] = {
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{Py_mod_multiple_interpreters, Py_MOD_MULTIPLE_INTERPRETERS_NOT_SUPPORTED},
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{Py_mod_gil, Py_MOD_GIL_NOT_USED},
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{0, NULL},
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};
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static struct PyModuleDef suggestions_module = {
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PyModuleDef_HEAD_INIT,
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"_suggestions",
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NULL,
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0,
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module_methods,
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module_slots,
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};
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PyMODINIT_FUNC PyInit__suggestions(void) {
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return PyModuleDef_Init(&suggestions_module);
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}
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