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gh-96512: Move int_max_str_digits setting to PyConfig (#96944)

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It had to live as a global outside of PyConfig for stable ABI reasons in
the pre-3.12 backports.

This removes the `_Py_global_config_int_max_str_digits` and gets rid of
the equivalent field in the internal `struct _is PyInterpreterState` as
code can just use the existing nested config struct within that.

Adds tests to verify unique settings and configs in subinterpreters.
This commit is contained in:
Gregory P. Smith 2022-10-03 13:55:45 -07:00 • committed by GitHub
parent cfbc7dd910
commit b0f89cb431
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 111 additions and 24 deletions
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10
Objects/longobject.c
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@ -1767,7 +1767,7 @@ long_to_decimal_string_internal(PyObject *aa,
if (size_a >= 10 * _PY_LONG_MAX_STR_DIGITS_THRESHOLD
/ (3 * PyLong_SHIFT) + 2) {
PyInterpreterState *interp = _PyInterpreterState_GET();
int max_str_digits = interp->int_max_str_digits;
int max_str_digits = interp->config.int_max_str_digits;
if ((max_str_digits > 0) &&
(max_str_digits / (3 * PyLong_SHIFT) <= (size_a - 11) / 10)) {
PyErr_Format(PyExc_ValueError, _MAX_STR_DIGITS_ERROR_FMT_TO_STR,
@ -1837,7 +1837,7 @@ long_to_decimal_string_internal(PyObject *aa,
}
if (strlen > _PY_LONG_MAX_STR_DIGITS_THRESHOLD) {
PyInterpreterState *interp = _PyInterpreterState_GET();
int max_str_digits = interp->int_max_str_digits;
int max_str_digits = interp->config.int_max_str_digits;
Py_ssize_t strlen_nosign = strlen - negative;
if ((max_str_digits > 0) && (strlen_nosign > max_str_digits)) {
Py_DECREF(scratch);
@ -2578,7 +2578,7 @@ long_from_string_base(const char **str, int base, PyLongObject **res)
* quadratic algorithm. */
if (digits > _PY_LONG_MAX_STR_DIGITS_THRESHOLD) {
PyInterpreterState *interp = _PyInterpreterState_GET();
int max_str_digits = interp->int_max_str_digits;
int max_str_digits = interp->config.int_max_str_digits;
if ((max_str_digits > 0) && (digits > max_str_digits)) {
PyErr_Format(PyExc_ValueError, _MAX_STR_DIGITS_ERROR_FMT_TO_INT,
max_str_digits, digits);
@ -6235,10 +6235,6 @@ _PyLong_InitTypes(PyInterpreterState *interp)
return _PyStatus_ERR("can't init int info type");
}
}
interp->int_max_str_digits = _Py_global_config_int_max_str_digits;
if (interp->int_max_str_digits == -1) {
interp->int_max_str_digits = _PY_LONG_DEFAULT_MAX_STR_DIGITS;
}
return _PyStatus_OK();
}