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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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30
Python/initconfig.c
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@ -695,6 +695,7 @@ config_check_consistency(const PyConfig *config)
assert(config->pathconfig_warnings >= 0);
assert(config->_is_python_build >= 0);
assert(config->safe_path >= 0);
assert(config->int_max_str_digits >= 0);
// config->use_frozen_modules is initialized later
// by _PyConfig_InitImportConfig().
return 1;
@ -789,14 +790,11 @@ _PyConfig_InitCompatConfig(PyConfig *config)
config->use_frozen_modules = 1;
#endif
config->safe_path = 0;
config->int_max_str_digits = -1;
config->_is_python_build = 0;
config->code_debug_ranges = 1;
}
/* Excluded from public struct PyConfig for backporting reasons. */
/* default to unconfigured, _PyLong_InitTypes() does the rest */
int _Py_global_config_int_max_str_digits = -1;
static void
config_init_defaults(PyConfig *config)
@ -849,6 +847,7 @@ PyConfig_InitIsolatedConfig(PyConfig *config)
config->faulthandler = 0;
config->tracemalloc = 0;
config->perf_profiling = 0;
config->int_max_str_digits = _PY_LONG_DEFAULT_MAX_STR_DIGITS;
config->safe_path = 1;
config->pathconfig_warnings = 0;
#ifdef MS_WINDOWS
@ -1021,6 +1020,7 @@ _PyConfig_Copy(PyConfig *config, const PyConfig *config2)
COPY_ATTR(safe_path);
COPY_WSTRLIST(orig_argv);
COPY_ATTR(_is_python_build);
COPY_ATTR(int_max_str_digits);
#undef COPY_ATTR
#undef COPY_WSTR_ATTR
@ -1128,6 +1128,7 @@ _PyConfig_AsDict(const PyConfig *config)
SET_ITEM_INT(use_frozen_modules);
SET_ITEM_INT(safe_path);
SET_ITEM_INT(_is_python_build);
SET_ITEM_INT(int_max_str_digits);
return dict;
@ -1317,6 +1318,12 @@ _PyConfig_FromDict(PyConfig *config, PyObject *dict)
} \
CHECK_VALUE(#KEY, config->KEY >= 0); \
} while (0)
#define GET_INT(KEY) \
do { \
if (config_dict_get_int(dict, #KEY, &config->KEY) < 0) { \
return -1; \
} \
} while (0)
#define GET_WSTR(KEY) \
do { \
if (config_dict_get_wstr(dict, #KEY, config, &config->KEY) < 0) { \
@ -1415,9 +1422,11 @@ _PyConfig_FromDict(PyConfig *config, PyObject *dict)
GET_UINT(use_frozen_modules);
GET_UINT(safe_path);
GET_UINT(_is_python_build);
GET_INT(int_max_str_digits);
#undef CHECK_VALUE
#undef GET_UINT
#undef GET_INT
#undef GET_WSTR
#undef GET_WSTR_OPT
return 0;
@ -1782,7 +1791,7 @@ config_init_int_max_str_digits(PyConfig *config)
const char *env = config_get_env(config, "PYTHONINTMAXSTRDIGITS");
if (env) {
int valid = 0;
bool valid = 0;
if (!_Py_str_to_int(env, &maxdigits)) {
valid = ((maxdigits == 0) || (maxdigits >= _PY_LONG_MAX_STR_DIGITS_THRESHOLD));
}
@ -1794,13 +1803,13 @@ config_init_int_max_str_digits(PyConfig *config)
STRINGIFY(_PY_LONG_MAX_STR_DIGITS_THRESHOLD)
" or 0 for unlimited.");
}
_Py_global_config_int_max_str_digits = maxdigits;
config->int_max_str_digits = maxdigits;
}
const wchar_t *xoption = config_get_xoption(config, L"int_max_str_digits");
if (xoption) {
const wchar_t *sep = wcschr(xoption, L'=');
int valid = 0;
bool valid = 0;
if (sep) {
if (!config_wstr_to_int(sep + 1, &maxdigits)) {
valid = ((maxdigits == 0) || (maxdigits >= _PY_LONG_MAX_STR_DIGITS_THRESHOLD));
@ -1814,7 +1823,10 @@ config_init_int_max_str_digits(PyConfig *config)
#undef _STRINGIFY
#undef STRINGIFY
}
_Py_global_config_int_max_str_digits = maxdigits;
config->int_max_str_digits = maxdigits;
}
if (config->int_max_str_digits < 0) {
config->int_max_str_digits = _PY_LONG_DEFAULT_MAX_STR_DIGITS;
}
return _PyStatus_OK();
}
@ -1882,7 +1894,7 @@ config_read_complex_options(PyConfig *config)
}
}
if (_Py_global_config_int_max_str_digits < 0) {
if (config->int_max_str_digits < 0) {
status = config_init_int_max_str_digits(config);
if (_PyStatus_EXCEPTION(status)) {
return status;