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1840 lines (1469 loc) · 47 KB
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#ifndef Py_BUILD_CORE_MODULE
# define Py_BUILD_CORE_MODULE
#endif
/* Always enable assertion (even in release mode) */
#undef NDEBUG
#include <Python.h>
#include "pycore_initconfig.h" // _PyConfig_InitCompatConfig()
#include "pycore_runtime.h" // _PyRuntime
#include <Python.h>
#include <inttypes.h>
#include <stdio.h>
#include <wchar.h>
/*********************************************************
* Embedded interpreter tests that need a custom exe
*
* Executed via 'EmbeddingTests' in Lib/test/test_embed.py
*********************************************************/
/* Use path starting with "./" avoids a search along the PATH */
#define PROGRAM_NAME L"./_testembed"
static void _testembed_Py_Initialize(void)
{
Py_SetProgramName(PROGRAM_NAME);
Py_Initialize();
}
/*****************************************************
* Test repeated initialisation and subinterpreters
*****************************************************/
static void print_subinterp(void)
{
/* Output information about the interpreter in the format
expected in Lib/test/test_capi.py (test_subinterps). */
PyThreadState *ts = PyThreadState_Get();
PyInterpreterState *interp = ts->interp;
int64_t id = PyInterpreterState_GetID(interp);
printf("interp %" PRId64 " <0x%" PRIXPTR ">, thread state <0x%" PRIXPTR ">: ",
id, (uintptr_t)interp, (uintptr_t)ts);
fflush(stdout);
PyRun_SimpleString(
"import sys;"
"print('id(modules) =', id(sys.modules));"
"sys.stdout.flush()"
);
}
static int test_repeated_init_and_subinterpreters(void)
{
PyThreadState *mainstate, *substate;
PyGILState_STATE gilstate;
int i, j;
for (i=0; i<15; i++) {
printf("--- Pass %d ---\n", i);
_testembed_Py_Initialize();
mainstate = PyThreadState_Get();
PyEval_ReleaseThread(mainstate);
gilstate = PyGILState_Ensure();
print_subinterp();
PyThreadState_Swap(NULL);
for (j=0; j<3; j++) {
substate = Py_NewInterpreter();
print_subinterp();
Py_EndInterpreter(substate);
}
PyThreadState_Swap(mainstate);
print_subinterp();
PyGILState_Release(gilstate);
PyEval_RestoreThread(mainstate);
Py_Finalize();
}
return 0;
}
/* bpo-36225: Implicitly tear down subinterpreters with Py_Finalize() */
static int test_finalize_subinterps(void)
{
PyThreadState *mainstate;
PyThreadState *interp_tstate;
PyGILState_STATE gilstate;
int i;
_testembed_Py_Initialize();
mainstate = PyThreadState_Get();
PyEval_ReleaseThread(mainstate);
gilstate = PyGILState_Ensure();
print_subinterp();
PyThreadState_Swap(NULL);
// Create 3 subinterpreters and destroy the last one.
for (i=0; i<3; i++) {
interp_tstate = Py_NewInterpreter();
print_subinterp();
}
PyThreadState_Swap(interp_tstate);
Py_EndInterpreter(interp_tstate);
// Switch back to the main interpreter and finalize the runtime.
PyThreadState_Swap(mainstate);
print_subinterp();
PyGILState_Release(gilstate);
PyEval_RestoreThread(mainstate);
Py_Finalize();
return 0;
}
/* bpo-38865: Py_Finalize() should not be called from a subinterpreter */
static int test_finalize_from_subinterp(void)
{
PyThreadState *subinterp_tstate;
int rc;
_testembed_Py_Initialize();
PyGILState_Ensure();
PyThreadState_Swap(NULL);
subinterp_tstate = Py_NewInterpreter();
PyThreadState_Swap(subinterp_tstate);
rc = Py_FinalizeEx();
return rc;
}
/*****************************************************
* Test forcing a particular IO encoding
*****************************************************/
static void check_stdio_details(const char *encoding, const char * errors)
{
/* Output info for the test case to check */
if (encoding) {
printf("Expected encoding: %s\n", encoding);
} else {
printf("Expected encoding: default\n");
}
if (errors) {
printf("Expected errors: %s\n", errors);
} else {
printf("Expected errors: default\n");
}
fflush(stdout);
/* Force the given IO encoding */
Py_SetStandardStreamEncoding(encoding, errors);
_testembed_Py_Initialize();
PyRun_SimpleString(
"import sys;"
"print('stdin: {0.encoding}:{0.errors}'.format(sys.stdin));"
"print('stdout: {0.encoding}:{0.errors}'.format(sys.stdout));"
"print('stderr: {0.encoding}:{0.errors}'.format(sys.stderr));"
"sys.stdout.flush()"
);
Py_Finalize();
}
static int test_forced_io_encoding(void)
{
/* Check various combinations */
printf("--- Use defaults ---\n");
check_stdio_details(NULL, NULL);
printf("--- Set errors only ---\n");
check_stdio_details(NULL, "ignore");
printf("--- Set encoding only ---\n");
check_stdio_details("iso8859-1", NULL);
printf("--- Set encoding and errors ---\n");
check_stdio_details("iso8859-1", "replace");
/* Check calling after initialization fails */
Py_Initialize();
if (Py_SetStandardStreamEncoding(NULL, NULL) == 0) {
printf("Unexpected success calling Py_SetStandardStreamEncoding");
}
Py_Finalize();
return 0;
}
/*********************************************************
* Test parts of the C-API that work before initialization
*********************************************************/
/* The pre-initialization tests tend to break by segfaulting, so explicitly
* flushed progress messages make the broken API easier to find when they fail.
*/
#define _Py_EMBED_PREINIT_CHECK(msg) \
do {printf(msg); fflush(stdout);} while (0);
static int test_pre_initialization_api(void)
{
/* the test doesn't support custom memory allocators */
putenv("PYTHONMALLOC=");
/* Leading "./" ensures getpath.c can still find the standard library */
_Py_EMBED_PREINIT_CHECK("Checking Py_DecodeLocale\n");
wchar_t *program = Py_DecodeLocale("./spam", NULL);
if (program == NULL) {
fprintf(stderr, "Fatal error: cannot decode program name\n");
return 1;
}
_Py_EMBED_PREINIT_CHECK("Checking Py_SetProgramName\n");
Py_SetProgramName(program);
_Py_EMBED_PREINIT_CHECK("Initializing interpreter\n");
Py_Initialize();
_Py_EMBED_PREINIT_CHECK("Check sys module contents\n");
PyRun_SimpleString("import sys; "
"print('sys.executable:', sys.executable)");
_Py_EMBED_PREINIT_CHECK("Finalizing interpreter\n");
Py_Finalize();
_Py_EMBED_PREINIT_CHECK("Freeing memory allocated by Py_DecodeLocale\n");
PyMem_RawFree(program);
return 0;
}
/* bpo-33042: Ensure embedding apps can predefine sys module options */
static int test_pre_initialization_sys_options(void)
{
/* We allocate a couple of the options dynamically, and then delete
* them before calling Py_Initialize. This ensures the interpreter isn't
* relying on the caller to keep the passed in strings alive.
*/
const wchar_t *static_warnoption = L"once";
const wchar_t *static_xoption = L"also_not_an_option=2";
size_t warnoption_len = wcslen(static_warnoption);
size_t xoption_len = wcslen(static_xoption);
wchar_t *dynamic_once_warnoption = \
(wchar_t *) calloc(warnoption_len+1, sizeof(wchar_t));
wchar_t *dynamic_xoption = \
(wchar_t *) calloc(xoption_len+1, sizeof(wchar_t));
wcsncpy(dynamic_once_warnoption, static_warnoption, warnoption_len+1);
wcsncpy(dynamic_xoption, static_xoption, xoption_len+1);
_Py_EMBED_PREINIT_CHECK("Checking PySys_AddWarnOption\n");
PySys_AddWarnOption(L"default");
_Py_EMBED_PREINIT_CHECK("Checking PySys_ResetWarnOptions\n");
PySys_ResetWarnOptions();
_Py_EMBED_PREINIT_CHECK("Checking PySys_AddWarnOption linked list\n");
PySys_AddWarnOption(dynamic_once_warnoption);
PySys_AddWarnOption(L"module");
PySys_AddWarnOption(L"default");
_Py_EMBED_PREINIT_CHECK("Checking PySys_AddXOption\n");
PySys_AddXOption(L"not_an_option=1");
PySys_AddXOption(dynamic_xoption);
/* Delete the dynamic options early */
free(dynamic_once_warnoption);
dynamic_once_warnoption = NULL;
free(dynamic_xoption);
dynamic_xoption = NULL;
_Py_EMBED_PREINIT_CHECK("Initializing interpreter\n");
_testembed_Py_Initialize();
_Py_EMBED_PREINIT_CHECK("Check sys module contents\n");
PyRun_SimpleString("import sys; "
"print('sys.warnoptions:', sys.warnoptions); "
"print('sys._xoptions:', sys._xoptions); "
"warnings = sys.modules['warnings']; "
"latest_filters = [f[0] for f in warnings.filters[:3]]; "
"print('warnings.filters[:3]:', latest_filters)");
_Py_EMBED_PREINIT_CHECK("Finalizing interpreter\n");
Py_Finalize();
return 0;
}
/* bpo-20891: Avoid race condition when initialising the GIL */
static void bpo20891_thread(void *lockp)
{
PyThread_type_lock lock = *((PyThread_type_lock*)lockp);
PyGILState_STATE state = PyGILState_Ensure();
if (!PyGILState_Check()) {
fprintf(stderr, "PyGILState_Check failed!");
abort();
}
PyGILState_Release(state);
PyThread_release_lock(lock);
PyThread_exit_thread();
}
static int test_bpo20891(void)
{
/* the test doesn't support custom memory allocators */
putenv("PYTHONMALLOC=");
/* bpo-20891: Calling PyGILState_Ensure in a non-Python thread must not
crash. */
PyThread_type_lock lock = PyThread_allocate_lock();
if (!lock) {
fprintf(stderr, "PyThread_allocate_lock failed!");
return 1;
}
_testembed_Py_Initialize();
unsigned long thrd = PyThread_start_new_thread(bpo20891_thread, &lock);
if (thrd == PYTHREAD_INVALID_THREAD_ID) {
fprintf(stderr, "PyThread_start_new_thread failed!");
return 1;
}
PyThread_acquire_lock(lock, WAIT_LOCK);
Py_BEGIN_ALLOW_THREADS
/* wait until the thread exit */
PyThread_acquire_lock(lock, WAIT_LOCK);
Py_END_ALLOW_THREADS
PyThread_free_lock(lock);
return 0;
}
static int test_initialize_twice(void)
{
_testembed_Py_Initialize();
/* bpo-33932: Calling Py_Initialize() twice should do nothing
* (and not crash!). */
Py_Initialize();
Py_Finalize();
return 0;
}
static int test_initialize_pymain(void)
{
wchar_t *argv[] = {L"PYTHON", L"-c",
(L"import sys; "
L"print(f'Py_Main() after Py_Initialize: "
L"sys.argv={sys.argv}')"),
L"arg2"};
_testembed_Py_Initialize();
/* bpo-34008: Calling Py_Main() after Py_Initialize() must not crash */
Py_Main(Py_ARRAY_LENGTH(argv), argv);
Py_Finalize();
return 0;
}
static void
dump_config(void)
{
(void) PyRun_SimpleStringFlags(
"import _testinternalcapi, json; "
"print(json.dumps(_testinternalcapi.get_configs()))",
0);
}
static int test_init_initialize_config(void)
{
_testembed_Py_Initialize();
dump_config();
Py_Finalize();
return 0;
}
static void config_set_string(PyConfig *config, wchar_t **config_str, const wchar_t *str)
{
PyStatus status = PyConfig_SetString(config, config_str, str);
if (PyStatus_Exception(status)) {
PyConfig_Clear(config);
Py_ExitStatusException(status);
}
}
static void config_set_argv(PyConfig *config, Py_ssize_t argc, wchar_t * const *argv)
{
PyStatus status = PyConfig_SetArgv(config, argc, argv);
if (PyStatus_Exception(status)) {
PyConfig_Clear(config);
Py_ExitStatusException(status);
}
}
static void
config_set_wide_string_list(PyConfig *config, PyWideStringList *list,
Py_ssize_t length, wchar_t **items)
{
PyStatus status = PyConfig_SetWideStringList(config, list, length, items);
if (PyStatus_Exception(status)) {
PyConfig_Clear(config);
Py_ExitStatusException(status);
}
}
static void config_set_program_name(PyConfig *config)
{
const wchar_t *program_name = PROGRAM_NAME;
config_set_string(config, &config->program_name, program_name);
}
static void init_from_config_clear(PyConfig *config)
{
PyStatus status = Py_InitializeFromConfig(config);
PyConfig_Clear(config);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
}
static int check_init_compat_config(int preinit)
{
PyStatus status;
if (preinit) {
PyPreConfig preconfig;
_PyPreConfig_InitCompatConfig(&preconfig);
status = Py_PreInitialize(&preconfig);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
}
PyConfig config;
_PyConfig_InitCompatConfig(&config);
config_set_program_name(&config);
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static int test_preinit_compat_config(void)
{
return check_init_compat_config(1);
}
static int test_init_compat_config(void)
{
return check_init_compat_config(0);
}
static int test_init_global_config(void)
{
/* FIXME: test Py_IgnoreEnvironmentFlag */
putenv("PYTHONUTF8=0");
Py_UTF8Mode = 1;
/* Test initialization from global configuration variables (Py_xxx) */
Py_SetProgramName(L"./globalvar");
/* Py_IsolatedFlag is not tested */
Py_NoSiteFlag = 1;
Py_BytesWarningFlag = 1;
putenv("PYTHONINSPECT=");
Py_InspectFlag = 1;
putenv("PYTHONOPTIMIZE=0");
Py_InteractiveFlag = 1;
putenv("PYTHONDEBUG=0");
Py_OptimizeFlag = 2;
/* Py_DebugFlag is not tested */
putenv("PYTHONDONTWRITEBYTECODE=");
Py_DontWriteBytecodeFlag = 1;
putenv("PYTHONVERBOSE=0");
Py_VerboseFlag = 1;
Py_QuietFlag = 1;
Py_NoUserSiteDirectory = 1;
putenv("PYTHONUNBUFFERED=");
Py_UnbufferedStdioFlag = 1;
Py_FrozenFlag = 1;
/* FIXME: test Py_LegacyWindowsFSEncodingFlag */
/* FIXME: test Py_LegacyWindowsStdioFlag */
Py_Initialize();
dump_config();
Py_Finalize();
return 0;
}
static int test_init_from_config(void)
{
PyPreConfig preconfig;
_PyPreConfig_InitCompatConfig(&preconfig);
putenv("PYTHONMALLOC=malloc_debug");
preconfig.allocator = PYMEM_ALLOCATOR_MALLOC;
putenv("PYTHONUTF8=0");
Py_UTF8Mode = 0;
preconfig.utf8_mode = 1;
PyStatus status = Py_PreInitialize(&preconfig);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
PyConfig config;
_PyConfig_InitCompatConfig(&config);
config.install_signal_handlers = 0;
/* FIXME: test use_environment */
putenv("PYTHONHASHSEED=42");
config.use_hash_seed = 1;
config.hash_seed = 123;
/* dev_mode=1 is tested in test_init_dev_mode() */
putenv("PYTHONFAULTHANDLER=");
config.faulthandler = 1;
putenv("PYTHONTRACEMALLOC=0");
config.tracemalloc = 2;
putenv("PYTHONPROFILEIMPORTTIME=0");
config.import_time = 1;
config.show_ref_count = 1;
/* FIXME: test dump_refs: bpo-34223 */
putenv("PYTHONMALLOCSTATS=0");
config.malloc_stats = 1;
putenv("PYTHONPYCACHEPREFIX=env_pycache_prefix");
config_set_string(&config, &config.pycache_prefix, L"conf_pycache_prefix");
Py_SetProgramName(L"./globalvar");
config_set_string(&config, &config.program_name, L"./conf_program_name");
wchar_t* argv[] = {
L"python3",
L"-W",
L"cmdline_warnoption",
L"-X",
L"cmdline_xoption",
L"-c",
L"pass",
L"arg2",
};
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
config.parse_argv = 1;
wchar_t* xoptions[3] = {
L"config_xoption1=3",
L"config_xoption2=",
L"config_xoption3",
};
config_set_wide_string_list(&config, &config.xoptions,
Py_ARRAY_LENGTH(xoptions), xoptions);
wchar_t* warnoptions[1] = {
L"config_warnoption",
};
config_set_wide_string_list(&config, &config.warnoptions,
Py_ARRAY_LENGTH(warnoptions), warnoptions);
/* FIXME: test pythonpath_env */
/* FIXME: test home */
/* FIXME: test path config: module_search_path .. dll_path */
putenv("PYTHONPLATLIBDIR=env_platlibdir");
status = PyConfig_SetBytesString(&config, &config.platlibdir, "my_platlibdir");
if (PyStatus_Exception(status)) {
PyConfig_Clear(&config);
Py_ExitStatusException(status);
}
putenv("PYTHONVERBOSE=0");
Py_VerboseFlag = 0;
config.verbose = 1;
Py_NoSiteFlag = 0;
config.site_import = 0;
Py_BytesWarningFlag = 0;
config.bytes_warning = 1;
putenv("PYTHONINSPECT=");
Py_InspectFlag = 0;
config.inspect = 1;
Py_InteractiveFlag = 0;
config.interactive = 1;
putenv("PYTHONOPTIMIZE=0");
Py_OptimizeFlag = 1;
config.optimization_level = 2;
/* FIXME: test parser_debug */
putenv("PYTHONDONTWRITEBYTECODE=");
Py_DontWriteBytecodeFlag = 0;
config.write_bytecode = 0;
Py_QuietFlag = 0;
config.quiet = 1;
config.configure_c_stdio = 1;
putenv("PYTHONUNBUFFERED=");
Py_UnbufferedStdioFlag = 0;
config.buffered_stdio = 0;
putenv("PYTHONIOENCODING=cp424");
Py_SetStandardStreamEncoding("ascii", "ignore");
#ifdef MS_WINDOWS
/* Py_SetStandardStreamEncoding() sets Py_LegacyWindowsStdioFlag to 1.
Force it to 0 through the config. */
config.legacy_windows_stdio = 0;
#endif
config_set_string(&config, &config.stdio_encoding, L"iso8859-1");
config_set_string(&config, &config.stdio_errors, L"replace");
putenv("PYTHONNOUSERSITE=");
Py_NoUserSiteDirectory = 0;
config.user_site_directory = 0;
config_set_string(&config, &config.check_hash_pycs_mode, L"always");
Py_FrozenFlag = 0;
config.pathconfig_warnings = 0;
config._isolated_interpreter = 1;
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static int check_init_parse_argv(int parse_argv)
{
PyConfig config;
PyConfig_InitPythonConfig(&config);
config.parse_argv = parse_argv;
wchar_t* argv[] = {
L"./argv0",
L"-E",
L"-c",
L"pass",
L"arg1",
L"-v",
L"arg3",
};
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static int test_init_parse_argv(void)
{
return check_init_parse_argv(1);
}
static int test_init_dont_parse_argv(void)
{
return check_init_parse_argv(0);
}
static void set_most_env_vars(void)
{
putenv("PYTHONHASHSEED=42");
putenv("PYTHONMALLOC=malloc");
putenv("PYTHONTRACEMALLOC=2");
putenv("PYTHONPROFILEIMPORTTIME=1");
putenv("PYTHONMALLOCSTATS=1");
putenv("PYTHONUTF8=1");
putenv("PYTHONVERBOSE=1");
putenv("PYTHONINSPECT=1");
putenv("PYTHONOPTIMIZE=2");
putenv("PYTHONDONTWRITEBYTECODE=1");
putenv("PYTHONUNBUFFERED=1");
putenv("PYTHONPYCACHEPREFIX=env_pycache_prefix");
putenv("PYTHONNOUSERSITE=1");
putenv("PYTHONFAULTHANDLER=1");
putenv("PYTHONIOENCODING=iso8859-1:replace");
putenv("PYTHONPLATLIBDIR=env_platlibdir");
}
static void set_all_env_vars(void)
{
set_most_env_vars();
putenv("PYTHONWARNINGS=EnvVar");
putenv("PYTHONPATH=/my/path");
}
static int test_init_compat_env(void)
{
/* Test initialization from environment variables */
Py_IgnoreEnvironmentFlag = 0;
set_all_env_vars();
_testembed_Py_Initialize();
dump_config();
Py_Finalize();
return 0;
}
static int test_init_python_env(void)
{
set_all_env_vars();
PyConfig config;
PyConfig_InitPythonConfig(&config);
config_set_program_name(&config);
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static void set_all_env_vars_dev_mode(void)
{
putenv("PYTHONMALLOC=");
putenv("PYTHONFAULTHANDLER=");
putenv("PYTHONDEVMODE=1");
}
static int test_init_env_dev_mode(void)
{
/* Test initialization from environment variables */
Py_IgnoreEnvironmentFlag = 0;
set_all_env_vars_dev_mode();
_testembed_Py_Initialize();
dump_config();
Py_Finalize();
return 0;
}
static int test_init_env_dev_mode_alloc(void)
{
/* Test initialization from environment variables */
Py_IgnoreEnvironmentFlag = 0;
set_all_env_vars_dev_mode();
putenv("PYTHONMALLOC=malloc");
_testembed_Py_Initialize();
dump_config();
Py_Finalize();
return 0;
}
static int test_init_isolated_flag(void)
{
/* Test PyConfig.isolated=1 */
PyConfig config;
PyConfig_InitPythonConfig(&config);
Py_IsolatedFlag = 0;
config.isolated = 1;
config_set_program_name(&config);
set_all_env_vars();
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
/* PyPreConfig.isolated=1, PyConfig.isolated=0 */
static int test_preinit_isolated1(void)
{
PyPreConfig preconfig;
_PyPreConfig_InitCompatConfig(&preconfig);
preconfig.isolated = 1;
PyStatus status = Py_PreInitialize(&preconfig);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
PyConfig config;
_PyConfig_InitCompatConfig(&config);
config_set_program_name(&config);
set_all_env_vars();
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
/* PyPreConfig.isolated=0, PyConfig.isolated=1 */
static int test_preinit_isolated2(void)
{
PyPreConfig preconfig;
_PyPreConfig_InitCompatConfig(&preconfig);
preconfig.isolated = 0;
PyStatus status = Py_PreInitialize(&preconfig);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
/* Test PyConfig.isolated=1 */
PyConfig config;
_PyConfig_InitCompatConfig(&config);
Py_IsolatedFlag = 0;
config.isolated = 1;
config_set_program_name(&config);
set_all_env_vars();
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static int test_preinit_dont_parse_argv(void)
{
PyPreConfig preconfig;
PyPreConfig_InitIsolatedConfig(&preconfig);
preconfig.isolated = 0;
/* -X dev must be ignored by isolated preconfiguration */
wchar_t *argv[] = {L"python3",
L"-E",
L"-I",
L"-X", L"dev",
L"-X", L"utf8",
L"script.py"};
PyStatus status = Py_PreInitializeFromArgs(&preconfig,
Py_ARRAY_LENGTH(argv), argv);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
PyConfig config;
PyConfig_InitIsolatedConfig(&config);
config.isolated = 0;
/* Pre-initialize implicitly using argv: make sure that -X dev
is used to configure the allocation in preinitialization */
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
config_set_program_name(&config);
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static int test_preinit_parse_argv(void)
{
PyConfig config;
PyConfig_InitPythonConfig(&config);
/* Pre-initialize implicitly using argv: make sure that -X dev
is used to configure the allocation in preinitialization */
wchar_t *argv[] = {L"python3", L"-X", L"dev", L"script.py"};
config_set_argv(&config, Py_ARRAY_LENGTH(argv), argv);
config_set_program_name(&config);
init_from_config_clear(&config);
dump_config();
Py_Finalize();
return 0;
}
static void set_all_global_config_variables(void)
{
Py_IsolatedFlag = 0;
Py_IgnoreEnvironmentFlag = 0;
Py_BytesWarningFlag = 2;
Py_InspectFlag = 1;
Py_InteractiveFlag = 1;
Py_OptimizeFlag = 1;
Py_DebugFlag = 1;
Py_VerboseFlag = 1;
Py_QuietFlag = 1;
Py_FrozenFlag = 0;
Py_UnbufferedStdioFlag = 1;
Py_NoSiteFlag = 1;
Py_DontWriteBytecodeFlag = 1;
Py_NoUserSiteDirectory = 1;
#ifdef MS_WINDOWS
Py_LegacyWindowsStdioFlag = 1;
#endif
}
static int check_preinit_isolated_config(int preinit)
{
PyStatus status;
PyPreConfig *rt_preconfig;
/* environment variables must be ignored */
set_all_env_vars();
/* global configuration variables must be ignored */
set_all_global_config_variables();
if (preinit) {
PyPreConfig preconfig;
PyPreConfig_InitIsolatedConfig(&preconfig);
status = Py_PreInitialize(&preconfig);
if (PyStatus_Exception(status)) {
Py_ExitStatusException(status);
}
rt_preconfig = &_PyRuntime.preconfig;
assert(rt_preconfig->isolated == 1);
assert(rt_preconfig->use_environment == 0);
}
PyConfig config;
PyConfig_InitIsolatedConfig(&config);
config_set_program_name(&config);
init_from_config_clear(&config);
rt_preconfig = &_PyRuntime.preconfig;
assert(rt_preconfig->isolated == 1);
assert(rt_preconfig->use_environment == 0);
dump_config();
Py_Finalize();
return 0;
}
static int test_preinit_isolated_config(void)
{
return check_preinit_isolated_config(1);
}