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GH-91173: disable frozen modules in debug builds (#92023)

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Kumar Aditya 2022-05-04 03:50:13 +05:30 • committed by GitHub
parent 48c6165c28
commit e8d7661ff2
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3 changed files with 27 additions and 25 deletions
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10
Lib/test/test_embed.py
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@ -22,7 +22,7 @@ if not support.has_subprocess_support:
MS_WINDOWS = (os.name == 'nt')
MACOS = (sys.platform == 'darwin')
Py_DEBUG = hasattr(sys, 'gettotalrefcount')
PYMEM_ALLOCATOR_NOT_SET = 0
PYMEM_ALLOCATOR_DEBUG = 2
PYMEM_ALLOCATOR_MALLOC = 3
@ -478,7 +478,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'pathconfig_warnings': 1,
'_init_main': 1,
'_isolated_interpreter': 0,
'use_frozen_modules': 1,
'use_frozen_modules': not Py_DEBUG,
'_is_python_build': IGNORE_CONFIG,
}
if MS_WINDOWS:
@ -1177,7 +1177,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
# The current getpath.c doesn't determine the stdlib dir
# in this case.
'stdlib_dir': '',
'use_frozen_modules': 1,
'use_frozen_modules': not Py_DEBUG,
# overridden by PyConfig
'program_name': 'conf_program_name',
'base_executable': 'conf_executable',
@ -1416,12 +1416,12 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
config['base_prefix'] = pyvenv_home
config['prefix'] = pyvenv_home
config['stdlib_dir'] = os.path.join(pyvenv_home, 'Lib')
config['use_frozen_modules'] = 1
config['use_frozen_modules'] = not Py_DEBUG
else:
# cannot reliably assume stdlib_dir here because it
# depends too much on our build. But it ought to be found
config['stdlib_dir'] = self.IGNORE_CONFIG
config['use_frozen_modules'] = 1
config['use_frozen_modules'] = not Py_DEBUG
env = self.copy_paths_by_env(config)
self.check_all_configs("test_init_compat_config", config,

1
Misc/NEWS.d/next/Core and Builtins/2022-05-02-12-40-18.gh-issue-91173.k_Dr6z.rst Normal file
View file

@ -0,0 +1 @@
Disable frozen modules in debug builds. Patch by Kumar Aditya.

41
Python/initconfig.c
View file

@ -732,7 +732,11 @@ _PyConfig_InitCompatConfig(PyConfig *config)
#ifdef MS_WINDOWS
config->legacy_windows_stdio = -1;
#endif
config->use_frozen_modules = -1;
#ifdef Py_DEBUG
config->use_frozen_modules = 0;
#else
config->use_frozen_modules = 1;
#endif
config->_is_python_build = 0;
config->code_debug_ranges = 1;
}
@ -1978,25 +1982,22 @@ config_init_import(PyConfig *config, int compute_path_config)
}
/* -X frozen_modules=[on|off] */
if (config->use_frozen_modules < 0) {
const wchar_t *value = config_get_xoption_value(config, L"frozen_modules");
if (value == NULL) {
config->use_frozen_modules = !config->_is_python_build;
}
else if (wcscmp(value, L"on") == 0) {
config->use_frozen_modules = 1;
}
else if (wcscmp(value, L"off") == 0) {
config->use_frozen_modules = 0;
}
else if (wcslen(value) == 0) {
// "-X frozen_modules" and "-X frozen_modules=" both imply "on".
config->use_frozen_modules = 1;
}
else {
return PyStatus_Error("bad value for option -X frozen_modules "
"(expected \"on\" or \"off\")");
}
const wchar_t *value = config_get_xoption_value(config, L"frozen_modules");
if (value == NULL) {
}
else if (wcscmp(value, L"on") == 0) {
config->use_frozen_modules = 1;
}
else if (wcscmp(value, L"off") == 0) {
config->use_frozen_modules = 0;
}
else if (wcslen(value) == 0) {
// "-X frozen_modules" and "-X frozen_modules=" both imply "on".
config->use_frozen_modules = 1;
}
else {
return PyStatus_Error("bad value for option -X frozen_modules "
"(expected \"on\" or \"off\")");
}
return _PyStatus_OK();