python · sergey-miryanov · Jul 5, 2025 · Apr 16, 2025
@@ -7295,6 +7295,25 @@ def test_update_type_cache(self):
            """)
        script_helper.assert_python_ok('-c', script)

+    def test_static_type_at_shutdown(self):
+        # gh-132413
+        script = textwrap.dedent("""
+            import _datetime
+            timedelta = _datetime.timedelta
+
+            def gen():
+                try:
+                    yield
+                finally:
+                    # sys.modules is empty
+                    _datetime.timedelta(days=1)
+                    timedelta(days=1)
+
+            it = gen()
+            next(it)
+            """)
+        script_helper.assert_python_ok('-c', script)
+

 def load_tests(loader, standard_tests, pattern):
    standard_tests.addTest(ZoneInfoCompleteTest())

@@ -2115,6 +2115,9 @@ delta_to_microseconds(PyDateTime_Delta *self)

    PyObject *current_mod = NULL;
    datetime_state *st = GET_CURRENT_STATE(current_mod);
+    if (st == NULL) {
+        return NULL;
+    }

    x1 = PyLong_FromLong(GET_TD_DAYS(self));
    if (x1 == NULL)
@@ -2194,6 +2197,9 @@ microseconds_to_delta_ex(PyObject *pyus, PyTypeObject *type)

    PyObject *current_mod = NULL;
    datetime_state *st = GET_CURRENT_STATE(current_mod);
+    if (st == NULL) {
+        return NULL;
+    }

    tuple = checked_divmod(pyus, CONST_US_PER_SECOND(st));
    if (tuple == NULL) {
@@ -2779,6 +2785,9 @@ delta_new(PyTypeObject *type, PyObject *args, PyObject *kw)

    PyObject *current_mod = NULL;
    datetime_state *st = GET_CURRENT_STATE(current_mod);
+    if (st == NULL) {
+        return NULL;
+    }

    /* Argument objects. */
    PyObject *day = NULL;
@@ -2998,6 +3007,10 @@ delta_total_seconds(PyObject *op, PyObject *Py_UNUSED(dummy))

    PyObject *current_mod = NULL;
    datetime_state *st = GET_CURRENT_STATE(current_mod);
+    if (st == NULL) {
+        Py_DECREF(total_microseconds);
+        return NULL;
+    }

    total_seconds = PyNumber_TrueDivide(total_microseconds, CONST_US_PER_SECOND(st));

@@ -3781,6 +3794,9 @@ date_isocalendar(PyObject *self, PyObject *Py_UNUSED(dummy))

    PyObject *current_mod = NULL;
    datetime_state *st = GET_CURRENT_STATE(current_mod);
+    if (st == NULL) {
+        return NULL;
+    }

    PyObject *v = iso_calendar_date_new_impl(ISOCALENDAR_DATE_TYPE(st),
                                             year, week + 1, day + 1);
@@ -6616,6 +6632,9 @@ local_timezone(PyDateTime_DateTime *utc_time)

    PyObject *current_mod = NULL;
    datetime_state *st = GET_CURRENT_STATE(current_mod);
+    if (st == NULL) {
+        return NULL;
+    }

    delta = datetime_subtract((PyObject *)utc_time, CONST_EPOCH(st));
    RELEASE_CURRENT_STATE(st, current_mod);
@@ -6860,6 +6879,9 @@ datetime_timestamp(PyObject *op, PyObject *Py_UNUSED(dummy))
    if (HASTZINFO(self) && self->tzinfo != Py_None) {
        PyObject *current_mod = NULL;
        datetime_state *st = GET_CURRENT_STATE(current_mod);
+        if (st == NULL) {
+            return NULL;
+        }

        PyObject *delta;
        delta = datetime_subtract(op, CONST_EPOCH(st));