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bpo-34170: Add _PyCoreConfig._frozen parameter by vstinner · Pull Request #8591 · python/cpython

9 changes: 8 additions & 1 deletion Include/pystate.h

Original file line number Diff line number Diff line change
Expand Up @@ -235,6 +235,12 @@ typedef struct {

See PEP 552 "Deterministic pycs" for more details. */
const char *_check_hash_pycs_mode;

/* If greater than 0, suppress _PyPathConfig_Calculate() warnings.

If set to -1 (default), inherit Py_FrozenFlag value. */
int _frozen;

} _PyCoreConfig;

#ifdef MS_WINDOWS
Expand Down Expand Up @@ -269,7 +275,8 @@ typedef struct {
.user_site_directory = -1, \
.unbuffered_stdio = -1, \
_PyCoreConfig_WINDOWS_INIT \
._install_importlib = 1}
._install_importlib = 1, \
._frozen = -1}
/* Note: _PyCoreConfig_INIT sets other fields to 0/NULL */

/* Placeholders while working on the new configuration API
Expand Down

4 changes: 4 additions & 0 deletions Lib/test/test_embed.py

Original file line number Diff line number Diff line change
Expand Up @@ -289,6 +289,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):

'_install_importlib': 1,
'_check_hash_pycs_mode': 'default',
'_frozen': 0,
}

def check_config(self, testname, expected):
Expand Down Expand Up @@ -330,6 +331,7 @@ def test_init_global_config(self):
'unbuffered_stdio': 1,
'utf8_mode': 1,
'user_site_directory': 0,
'_frozen': 1,
}
self.check_config("init_global_config", config)

Expand Down Expand Up @@ -362,7 +364,9 @@ def test_init_from_config(self):
'unbuffered_stdio': 1,
'user_site_directory': 0,
'faulthandler': 1,

'_check_hash_pycs_mode': 'always',
'_frozen': 1,
}
self.check_config("init_from_config", config)

Expand Down

6 changes: 3 additions & 3 deletions Modules/getpath.c

Original file line number Diff line number Diff line change
Expand Up @@ -372,7 +372,7 @@ calculate_prefix(const _PyCoreConfig *core_config,
{
calculate->prefix_found = search_for_prefix(core_config, calculate, prefix);
if (!calculate->prefix_found) {
if (!Py_FrozenFlag) {
if (!core_config->_frozen) {
fprintf(stderr,
"Could not find platform independent libraries <prefix>\n");
}
Expand Down Expand Up @@ -495,7 +495,7 @@ calculate_exec_prefix(const _PyCoreConfig *core_config,
calculate,
exec_prefix);
if (!calculate->exec_prefix_found) {
if (!Py_FrozenFlag) {
if (!core_config->_frozen) {
fprintf(stderr,
"Could not find platform dependent libraries <exec_prefix>\n");
}
Expand Down Expand Up @@ -915,7 +915,7 @@ calculate_path_impl(const _PyCoreConfig *core_config,
calculate_exec_prefix(core_config, calculate, exec_prefix);

if ((!calculate->prefix_found || !calculate->exec_prefix_found) &&
!Py_FrozenFlag)
!core_config->_frozen)
{
fprintf(stderr,
"Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]\n");
Expand Down

5 changes: 5 additions & 0 deletions Modules/main.c

Original file line number Diff line number Diff line change
Expand Up @@ -573,6 +573,7 @@ _PyCoreConfig_GetGlobalConfig(_PyCoreConfig *config)
COPY_FLAG(legacy_windows_fs_encoding, Py_LegacyWindowsFSEncodingFlag);
COPY_FLAG(legacy_windows_stdio, Py_LegacyWindowsStdioFlag);
#endif
COPY_FLAG(_frozen, Py_FrozenFlag);

COPY_NOT_FLAG(use_environment, Py_IgnoreEnvironmentFlag);
COPY_NOT_FLAG(site_import, Py_NoSiteFlag);
Expand Down Expand Up @@ -759,6 +760,7 @@ _PyCoreConfig_Copy(_PyCoreConfig *config, const _PyCoreConfig *config2)
COPY_ATTR(legacy_windows_stdio);
#endif
COPY_ATTR(_check_hash_pycs_mode);
COPY_ATTR(_frozen);

#undef COPY_ATTR
#undef COPY_STR_ATTR
Expand Down Expand Up @@ -2281,6 +2283,9 @@ _PyCoreConfig_Read(_PyCoreConfig *config)
if (config->utf8_mode < 0) {
config->utf8_mode = 0;
}
if (config->_frozen < 0) {
config->_frozen = 0;
}

return _Py_INIT_OK();
}
Expand Down

3 changes: 1 addition & 2 deletions Programs/_freeze_importlib.c

Original file line number Diff line number Diff line change
Expand Up @@ -82,8 +82,7 @@ main(int argc, char *argv[])
/* Don't install importlib, since it could execute outdated bytecode. */
config._install_importlib = 0;
config.install_signal_handlers = 1;

Py_FrozenFlag++;
config._frozen = 1;

_PyInitError err = _Py_InitializeFromConfig(&config);
/* No need to call _PyCoreConfig_Clear() since we didn't allocate any
Expand Down

6 changes: 6 additions & 0 deletions Programs/_testembed.c

Original file line number Diff line number Diff line change
Expand Up @@ -368,6 +368,7 @@ dump_config(void)

printf("_install_importlib = %i\n", config->_install_importlib);
printf("_check_hash_pycs_mode = %s\n", config->_check_hash_pycs_mode);
printf("_frozen = %i\n", config->_frozen);

#undef ASSERT_EQUAL
#undef ASSERT_STR_EQUAL
Expand Down Expand Up @@ -420,6 +421,8 @@ static int test_init_global_config(void)
putenv("PYTHONUNBUFFERED=");
Py_UnbufferedStdioFlag = 1;

Py_FrozenFlag = 1;

/* FIXME: test Py_LegacyWindowsFSEncodingFlag */
/* FIXME: test Py_LegacyWindowsStdioFlag */

Expand Down Expand Up @@ -525,6 +528,9 @@ static int test_init_from_config(void)

config._check_hash_pycs_mode = "always";

Py_FrozenFlag = 0;
config._frozen = 1;

_PyInitError err = _Py_InitializeFromConfig(&config);
/* Don't call _PyCoreConfig_Clear() since all strings are static */
if (_Py_INIT_FAILED(err)) {
Expand Down

12 changes: 10 additions & 2 deletions Python/frozenmain.c

Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,8 @@ Py_FrozenMain(int argc, char **argv)
}
}

Py_FrozenFlag = 1; /* Suppress errors from getpath.c */
_PyCoreConfig config = _PyCoreConfig_INIT;
config._frozen = 1; /* Suppress errors from getpath.c */

if ((p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
inspect = 1;
Expand Down Expand Up @@ -80,7 +81,14 @@ Py_FrozenMain(int argc, char **argv)
#endif /* MS_WINDOWS */
if (argc >= 1)
Py_SetProgramName(argv_copy[0]);
Py_Initialize();

err = _Py_InitializeFromConfig(&config);
/* No need to call _PyCoreConfig_Clear() since we didn't allocate any
memory: program_name is a constant string. */
if (_Py_INIT_FAILED(err)) {
_Py_FatalInitError(err);
}

#ifdef MS_WINDOWS
PyWinFreeze_ExeInit();
#endif
Expand Down