| # Run the tests in Programs/_testembed.c (tests for the CPython embedding APIs) | 
 | from test import support | 
 | from test.support import import_helper | 
 | from test.support import os_helper | 
 | import unittest | 
 |  | 
 | from collections import namedtuple | 
 | import contextlib | 
 | import json | 
 | import os | 
 | import os.path | 
 | import re | 
 | import shutil | 
 | import subprocess | 
 | import sys | 
 | import sysconfig | 
 | import tempfile | 
 | import textwrap | 
 |  | 
 | if not support.has_subprocess_support: | 
 |     raise unittest.SkipTest("test module requires subprocess") | 
 |  | 
 | MS_WINDOWS = (os.name == 'nt') | 
 | MACOS = (sys.platform == 'darwin') | 
 |  | 
 | PYMEM_ALLOCATOR_NOT_SET = 0 | 
 | PYMEM_ALLOCATOR_DEBUG = 2 | 
 | PYMEM_ALLOCATOR_MALLOC = 3 | 
 |  | 
 | # _PyCoreConfig_InitCompatConfig() | 
 | API_COMPAT = 1 | 
 | # _PyCoreConfig_InitPythonConfig() | 
 | API_PYTHON = 2 | 
 | # _PyCoreConfig_InitIsolatedConfig() | 
 | API_ISOLATED = 3 | 
 |  | 
 | INIT_LOOPS = 4 | 
 | MAX_HASH_SEED = 4294967295 | 
 |  | 
 |  | 
 | # If we are running from a build dir, but the stdlib has been installed, | 
 | # some tests need to expect different results. | 
 | STDLIB_INSTALL = os.path.join(sys.prefix, sys.platlibdir, | 
 |     f'python{sys.version_info.major}.{sys.version_info.minor}') | 
 | if not os.path.isfile(os.path.join(STDLIB_INSTALL, 'os.py')): | 
 |     STDLIB_INSTALL = None | 
 |  | 
 | def debug_build(program): | 
 |     program = os.path.basename(program) | 
 |     name = os.path.splitext(program)[0] | 
 |     return name.casefold().endswith("_d".casefold()) | 
 |  | 
 |  | 
 | def remove_python_envvars(): | 
 |     env = dict(os.environ) | 
 |     # Remove PYTHON* environment variables to get deterministic environment | 
 |     for key in list(env): | 
 |         if key.startswith('PYTHON'): | 
 |             del env[key] | 
 |     return env | 
 |  | 
 |  | 
 | class EmbeddingTestsMixin: | 
 |     def setUp(self): | 
 |         exename = "_testembed" | 
 |         builddir = os.path.dirname(sys.executable) | 
 |         if MS_WINDOWS: | 
 |             ext = ("_d" if debug_build(sys.executable) else "") + ".exe" | 
 |             exename += ext | 
 |             exepath = builddir | 
 |             expecteddir = os.path.join(support.REPO_ROOT, builddir) | 
 |         else: | 
 |             exepath = os.path.join(builddir, 'Programs') | 
 |             expecteddir = os.path.join(support.REPO_ROOT, 'Programs') | 
 |         self.test_exe = exe = os.path.join(exepath, exename) | 
 |         if exepath != expecteddir or not os.path.exists(exe): | 
 |             self.skipTest("%r doesn't exist" % exe) | 
 |         # This is needed otherwise we get a fatal error: | 
 |         # "Py_Initialize: Unable to get the locale encoding | 
 |         # LookupError: no codec search functions registered: can't find encoding" | 
 |         self.oldcwd = os.getcwd() | 
 |         os.chdir(support.REPO_ROOT) | 
 |  | 
 |     def tearDown(self): | 
 |         os.chdir(self.oldcwd) | 
 |  | 
 |     def run_embedded_interpreter(self, *args, env=None, | 
 |                                  timeout=None, returncode=0, input=None, | 
 |                                  cwd=None): | 
 |         """Runs a test in the embedded interpreter""" | 
 |         cmd = [self.test_exe] | 
 |         cmd.extend(args) | 
 |         if env is not None and MS_WINDOWS: | 
 |             # Windows requires at least the SYSTEMROOT environment variable to | 
 |             # start Python. | 
 |             env = env.copy() | 
 |             env['SYSTEMROOT'] = os.environ['SYSTEMROOT'] | 
 |  | 
 |         p = subprocess.Popen(cmd, | 
 |                              stdout=subprocess.PIPE, | 
 |                              stderr=subprocess.PIPE, | 
 |                              universal_newlines=True, | 
 |                              env=env, | 
 |                              cwd=cwd) | 
 |         try: | 
 |             (out, err) = p.communicate(input=input, timeout=timeout) | 
 |         except: | 
 |             p.terminate() | 
 |             p.wait() | 
 |             raise | 
 |         if p.returncode != returncode and support.verbose: | 
 |             print(f"--- {cmd} failed ---") | 
 |             print(f"stdout:\n{out}") | 
 |             print(f"stderr:\n{err}") | 
 |             print(f"------") | 
 |  | 
 |         self.assertEqual(p.returncode, returncode, | 
 |                          "bad returncode %d, stderr is %r" % | 
 |                          (p.returncode, err)) | 
 |         return out, err | 
 |  | 
 |     def run_repeated_init_and_subinterpreters(self): | 
 |         out, err = self.run_embedded_interpreter("test_repeated_init_and_subinterpreters") | 
 |         self.assertEqual(err, "") | 
 |  | 
 |         # The output from _testembed looks like this: | 
 |         # --- Pass 1 --- | 
 |         # interp 0 <0x1cf9330>, thread state <0x1cf9700>: id(modules) = 139650431942728 | 
 |         # interp 1 <0x1d4f690>, thread state <0x1d35350>: id(modules) = 139650431165784 | 
 |         # interp 2 <0x1d5a690>, thread state <0x1d99ed0>: id(modules) = 139650413140368 | 
 |         # interp 3 <0x1d4f690>, thread state <0x1dc3340>: id(modules) = 139650412862200 | 
 |         # interp 0 <0x1cf9330>, thread state <0x1cf9700>: id(modules) = 139650431942728 | 
 |         # --- Pass 2 --- | 
 |         # ... | 
 |  | 
 |         interp_pat = (r"^interp (\d+) <(0x[\dA-F]+)>, " | 
 |                       r"thread state <(0x[\dA-F]+)>: " | 
 |                       r"id\(modules\) = ([\d]+)$") | 
 |         Interp = namedtuple("Interp", "id interp tstate modules") | 
 |  | 
 |         numloops = 1 | 
 |         current_run = [] | 
 |         for line in out.splitlines(): | 
 |             if line == "--- Pass {} ---".format(numloops): | 
 |                 self.assertEqual(len(current_run), 0) | 
 |                 if support.verbose > 1: | 
 |                     print(line) | 
 |                 numloops += 1 | 
 |                 continue | 
 |  | 
 |             self.assertLess(len(current_run), 5) | 
 |             match = re.match(interp_pat, line) | 
 |             if match is None: | 
 |                 self.assertRegex(line, interp_pat) | 
 |  | 
 |             # Parse the line from the loop.  The first line is the main | 
 |             # interpreter and the 3 afterward are subinterpreters. | 
 |             interp = Interp(*match.groups()) | 
 |             if support.verbose > 1: | 
 |                 print(interp) | 
 |             self.assertTrue(interp.interp) | 
 |             self.assertTrue(interp.tstate) | 
 |             self.assertTrue(interp.modules) | 
 |             current_run.append(interp) | 
 |  | 
 |             # The last line in the loop should be the same as the first. | 
 |             if len(current_run) == 5: | 
 |                 main = current_run[0] | 
 |                 self.assertEqual(interp, main) | 
 |                 yield current_run | 
 |                 current_run = [] | 
 |  | 
 |  | 
 | class EmbeddingTests(EmbeddingTestsMixin, unittest.TestCase): | 
 |     maxDiff = 100 * 50 | 
 |  | 
 |     def test_subinterps_main(self): | 
 |         for run in self.run_repeated_init_and_subinterpreters(): | 
 |             main = run[0] | 
 |  | 
 |             self.assertEqual(main.id, '0') | 
 |  | 
 |     def test_subinterps_different_ids(self): | 
 |         for run in self.run_repeated_init_and_subinterpreters(): | 
 |             main, *subs, _ = run | 
 |  | 
 |             mainid = int(main.id) | 
 |             for i, sub in enumerate(subs): | 
 |                 self.assertEqual(sub.id, str(mainid + i + 1)) | 
 |  | 
 |     def test_subinterps_distinct_state(self): | 
 |         for run in self.run_repeated_init_and_subinterpreters(): | 
 |             main, *subs, _ = run | 
 |  | 
 |             if '0x0' in main: | 
 |                 # XXX Fix on Windows (and other platforms): something | 
 |                 # is going on with the pointers in Programs/_testembed.c. | 
 |                 # interp.interp is 0x0 and interp.modules is the same | 
 |                 # between interpreters. | 
 |                 raise unittest.SkipTest('platform prints pointers as 0x0') | 
 |  | 
 |             for sub in subs: | 
 |                 # A new subinterpreter may have the same | 
 |                 # PyInterpreterState pointer as a previous one if | 
 |                 # the earlier one has already been destroyed.  So | 
 |                 # we compare with the main interpreter.  The same | 
 |                 # applies to tstate. | 
 |                 self.assertNotEqual(sub.interp, main.interp) | 
 |                 self.assertNotEqual(sub.tstate, main.tstate) | 
 |                 self.assertNotEqual(sub.modules, main.modules) | 
 |  | 
 |     def test_repeated_init_and_inittab(self): | 
 |         out, err = self.run_embedded_interpreter("test_repeated_init_and_inittab") | 
 |         self.assertEqual(err, "") | 
 |  | 
 |         lines = [f"--- Pass {i} ---" for i in range(1, INIT_LOOPS+1)] | 
 |         lines = "\n".join(lines) + "\n" | 
 |         self.assertEqual(out, lines) | 
 |  | 
 |     def test_forced_io_encoding(self): | 
 |         # Checks forced configuration of embedded interpreter IO streams | 
 |         env = dict(os.environ, PYTHONIOENCODING="utf-8:surrogateescape") | 
 |         out, err = self.run_embedded_interpreter("test_forced_io_encoding", env=env) | 
 |         if support.verbose > 1: | 
 |             print() | 
 |             print(out) | 
 |             print(err) | 
 |         expected_stream_encoding = "utf-8" | 
 |         expected_errors = "surrogateescape" | 
 |         expected_output = '\n'.join([ | 
 |         "--- Use defaults ---", | 
 |         "Expected encoding: default", | 
 |         "Expected errors: default", | 
 |         "stdin: {in_encoding}:{errors}", | 
 |         "stdout: {out_encoding}:{errors}", | 
 |         "stderr: {out_encoding}:backslashreplace", | 
 |         "--- Set errors only ---", | 
 |         "Expected encoding: default", | 
 |         "Expected errors: ignore", | 
 |         "stdin: {in_encoding}:ignore", | 
 |         "stdout: {out_encoding}:ignore", | 
 |         "stderr: {out_encoding}:backslashreplace", | 
 |         "--- Set encoding only ---", | 
 |         "Expected encoding: iso8859-1", | 
 |         "Expected errors: default", | 
 |         "stdin: iso8859-1:{errors}", | 
 |         "stdout: iso8859-1:{errors}", | 
 |         "stderr: iso8859-1:backslashreplace", | 
 |         "--- Set encoding and errors ---", | 
 |         "Expected encoding: iso8859-1", | 
 |         "Expected errors: replace", | 
 |         "stdin: iso8859-1:replace", | 
 |         "stdout: iso8859-1:replace", | 
 |         "stderr: iso8859-1:backslashreplace"]) | 
 |         expected_output = expected_output.format( | 
 |                                 in_encoding=expected_stream_encoding, | 
 |                                 out_encoding=expected_stream_encoding, | 
 |                                 errors=expected_errors) | 
 |         # This is useful if we ever trip over odd platform behaviour | 
 |         self.maxDiff = None | 
 |         self.assertEqual(out.strip(), expected_output) | 
 |  | 
 |     def test_pre_initialization_api(self): | 
 |         """ | 
 |         Checks some key parts of the C-API that need to work before the runtime | 
 |         is initialized (via Py_Initialize()). | 
 |         """ | 
 |         env = dict(os.environ, PYTHONPATH=os.pathsep.join(sys.path)) | 
 |         out, err = self.run_embedded_interpreter("test_pre_initialization_api", env=env) | 
 |         if MS_WINDOWS: | 
 |             expected_path = self.test_exe | 
 |         else: | 
 |             expected_path = os.path.join(os.getcwd(), "spam") | 
 |         expected_output = f"sys.executable: {expected_path}\n" | 
 |         self.assertIn(expected_output, out) | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_pre_initialization_sys_options(self): | 
 |         """ | 
 |         Checks that sys.warnoptions and sys._xoptions can be set before the | 
 |         runtime is initialized (otherwise they won't be effective). | 
 |         """ | 
 |         env = remove_python_envvars() | 
 |         env['PYTHONPATH'] = os.pathsep.join(sys.path) | 
 |         out, err = self.run_embedded_interpreter( | 
 |                         "test_pre_initialization_sys_options", env=env) | 
 |         expected_output = ( | 
 |             "sys.warnoptions: ['once', 'module', 'default']\n" | 
 |             "sys._xoptions: {'dev': '2', 'utf8': '1'}\n" | 
 |             "warnings.filters[:3]: ['default', 'module', 'once']\n" | 
 |         ) | 
 |         self.assertIn(expected_output, out) | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_bpo20891(self): | 
 |         """ | 
 |         bpo-20891: Calling PyGILState_Ensure in a non-Python thread must not | 
 |         crash. | 
 |         """ | 
 |         out, err = self.run_embedded_interpreter("test_bpo20891") | 
 |         self.assertEqual(out, '') | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_initialize_twice(self): | 
 |         """ | 
 |         bpo-33932: Calling Py_Initialize() twice should do nothing (and not | 
 |         crash!). | 
 |         """ | 
 |         out, err = self.run_embedded_interpreter("test_initialize_twice") | 
 |         self.assertEqual(out, '') | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_initialize_pymain(self): | 
 |         """ | 
 |         bpo-34008: Calling Py_Main() after Py_Initialize() must not fail. | 
 |         """ | 
 |         out, err = self.run_embedded_interpreter("test_initialize_pymain") | 
 |         self.assertEqual(out.rstrip(), "Py_Main() after Py_Initialize: sys.argv=['-c', 'arg2']") | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_run_main(self): | 
 |         out, err = self.run_embedded_interpreter("test_run_main") | 
 |         self.assertEqual(out.rstrip(), "Py_RunMain(): sys.argv=['-c', 'arg2']") | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_run_main_loop(self): | 
 |         # bpo-40413: Calling Py_InitializeFromConfig()+Py_RunMain() multiple | 
 |         # times must not crash. | 
 |         nloop = 5 | 
 |         out, err = self.run_embedded_interpreter("test_run_main_loop") | 
 |         self.assertEqual(out, "Py_RunMain(): sys.argv=['-c', 'arg2']\n" * nloop) | 
 |         self.assertEqual(err, '') | 
 |  | 
 |     def test_finalize_structseq(self): | 
 |         # bpo-46417: Py_Finalize() clears structseq static types. Check that | 
 |         # sys attributes using struct types still work when | 
 |         # Py_Finalize()/Py_Initialize() is called multiple times. | 
 |         # print() calls type->tp_repr(instance) and so checks that the types | 
 |         # are still working properly. | 
 |         script = support.findfile('_test_embed_structseq.py') | 
 |         with open(script, encoding="utf-8") as fp: | 
 |             code = fp.read() | 
 |         out, err = self.run_embedded_interpreter("test_repeated_init_exec", code) | 
 |         self.assertEqual(out, 'Tests passed\n' * INIT_LOOPS) | 
 |  | 
 |  | 
 | class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase): | 
 |     maxDiff = 4096 | 
 |     UTF8_MODE_ERRORS = ('surrogatepass' if MS_WINDOWS else 'surrogateescape') | 
 |  | 
 |     # Marker to read the default configuration: get_default_config() | 
 |     GET_DEFAULT_CONFIG = object() | 
 |  | 
 |     # Marker to ignore a configuration parameter | 
 |     IGNORE_CONFIG = object() | 
 |  | 
 |     PRE_CONFIG_COMPAT = { | 
 |         '_config_init': API_COMPAT, | 
 |         'allocator': PYMEM_ALLOCATOR_NOT_SET, | 
 |         'parse_argv': 0, | 
 |         'configure_locale': 1, | 
 |         'coerce_c_locale': 0, | 
 |         'coerce_c_locale_warn': 0, | 
 |         'utf8_mode': 0, | 
 |     } | 
 |     if MS_WINDOWS: | 
 |         PRE_CONFIG_COMPAT.update({ | 
 |             'legacy_windows_fs_encoding': 0, | 
 |         }) | 
 |     PRE_CONFIG_PYTHON = dict(PRE_CONFIG_COMPAT, | 
 |         _config_init=API_PYTHON, | 
 |         parse_argv=1, | 
 |         coerce_c_locale=GET_DEFAULT_CONFIG, | 
 |         utf8_mode=GET_DEFAULT_CONFIG, | 
 |     ) | 
 |     PRE_CONFIG_ISOLATED = dict(PRE_CONFIG_COMPAT, | 
 |         _config_init=API_ISOLATED, | 
 |         configure_locale=0, | 
 |         isolated=1, | 
 |         use_environment=0, | 
 |         utf8_mode=0, | 
 |         dev_mode=0, | 
 |         coerce_c_locale=0, | 
 |     ) | 
 |  | 
 |     COPY_PRE_CONFIG = [ | 
 |         'dev_mode', | 
 |         'isolated', | 
 |         'use_environment', | 
 |     ] | 
 |  | 
 |     CONFIG_COMPAT = { | 
 |         '_config_init': API_COMPAT, | 
 |         'isolated': 0, | 
 |         'use_environment': 1, | 
 |         'dev_mode': 0, | 
 |  | 
 |         'install_signal_handlers': 1, | 
 |         'use_hash_seed': 0, | 
 |         'hash_seed': 0, | 
 |         'faulthandler': 0, | 
 |         'tracemalloc': 0, | 
 |         'import_time': 0, | 
 |         'code_debug_ranges': 1, | 
 |         'show_ref_count': 0, | 
 |         'dump_refs': 0, | 
 |         'malloc_stats': 0, | 
 |  | 
 |         'filesystem_encoding': GET_DEFAULT_CONFIG, | 
 |         'filesystem_errors': GET_DEFAULT_CONFIG, | 
 |  | 
 |         'pycache_prefix': None, | 
 |         'program_name': GET_DEFAULT_CONFIG, | 
 |         'parse_argv': 0, | 
 |         'argv': [""], | 
 |         'orig_argv': [], | 
 |  | 
 |         'xoptions': [], | 
 |         'warnoptions': [], | 
 |  | 
 |         'pythonpath_env': None, | 
 |         'home': None, | 
 |         'executable': GET_DEFAULT_CONFIG, | 
 |         'base_executable': GET_DEFAULT_CONFIG, | 
 |  | 
 |         'prefix': GET_DEFAULT_CONFIG, | 
 |         'base_prefix': GET_DEFAULT_CONFIG, | 
 |         'exec_prefix': GET_DEFAULT_CONFIG, | 
 |         'base_exec_prefix': GET_DEFAULT_CONFIG, | 
 |         'module_search_paths': GET_DEFAULT_CONFIG, | 
 |         'module_search_paths_set': 1, | 
 |         'platlibdir': sys.platlibdir, | 
 |         'stdlib_dir': GET_DEFAULT_CONFIG, | 
 |  | 
 |         'site_import': 1, | 
 |         'bytes_warning': 0, | 
 |         'warn_default_encoding': 0, | 
 |         'inspect': 0, | 
 |         'interactive': 0, | 
 |         'optimization_level': 0, | 
 |         'parser_debug': 0, | 
 |         'write_bytecode': 1, | 
 |         'verbose': 0, | 
 |         'quiet': 0, | 
 |         'user_site_directory': 1, | 
 |         'configure_c_stdio': 0, | 
 |         'buffered_stdio': 1, | 
 |  | 
 |         'stdio_encoding': GET_DEFAULT_CONFIG, | 
 |         'stdio_errors': GET_DEFAULT_CONFIG, | 
 |  | 
 |         'skip_source_first_line': 0, | 
 |         'run_command': None, | 
 |         'run_module': None, | 
 |         'run_filename': None, | 
 |  | 
 |         '_install_importlib': 1, | 
 |         'check_hash_pycs_mode': 'default', | 
 |         'pathconfig_warnings': 1, | 
 |         '_init_main': 1, | 
 |         '_isolated_interpreter': 0, | 
 |         'use_frozen_modules': 1, | 
 |         '_is_python_build': IGNORE_CONFIG, | 
 |     } | 
 |     if MS_WINDOWS: | 
 |         CONFIG_COMPAT.update({ | 
 |             'legacy_windows_stdio': 0, | 
 |         }) | 
 |  | 
 |     CONFIG_PYTHON = dict(CONFIG_COMPAT, | 
 |         _config_init=API_PYTHON, | 
 |         configure_c_stdio=1, | 
 |         parse_argv=2, | 
 |     ) | 
 |     CONFIG_ISOLATED = dict(CONFIG_COMPAT, | 
 |         _config_init=API_ISOLATED, | 
 |         isolated=1, | 
 |         use_environment=0, | 
 |         user_site_directory=0, | 
 |         dev_mode=0, | 
 |         install_signal_handlers=0, | 
 |         use_hash_seed=0, | 
 |         faulthandler=0, | 
 |         tracemalloc=0, | 
 |         pathconfig_warnings=0, | 
 |     ) | 
 |     if MS_WINDOWS: | 
 |         CONFIG_ISOLATED['legacy_windows_stdio'] = 0 | 
 |  | 
 |     # global config | 
 |     DEFAULT_GLOBAL_CONFIG = { | 
 |         'Py_HasFileSystemDefaultEncoding': 0, | 
 |         'Py_HashRandomizationFlag': 1, | 
 |         '_Py_HasFileSystemDefaultEncodeErrors': 0, | 
 |     } | 
 |     COPY_GLOBAL_PRE_CONFIG = [ | 
 |         ('Py_UTF8Mode', 'utf8_mode'), | 
 |     ] | 
 |     COPY_GLOBAL_CONFIG = [ | 
 |         # Copy core config to global config for expected values | 
 |         # True means that the core config value is inverted (0 => 1 and 1 => 0) | 
 |         ('Py_BytesWarningFlag', 'bytes_warning'), | 
 |         ('Py_DebugFlag', 'parser_debug'), | 
 |         ('Py_DontWriteBytecodeFlag', 'write_bytecode', True), | 
 |         ('Py_FileSystemDefaultEncodeErrors', 'filesystem_errors'), | 
 |         ('Py_FileSystemDefaultEncoding', 'filesystem_encoding'), | 
 |         ('Py_FrozenFlag', 'pathconfig_warnings', True), | 
 |         ('Py_IgnoreEnvironmentFlag', 'use_environment', True), | 
 |         ('Py_InspectFlag', 'inspect'), | 
 |         ('Py_InteractiveFlag', 'interactive'), | 
 |         ('Py_IsolatedFlag', 'isolated'), | 
 |         ('Py_NoSiteFlag', 'site_import', True), | 
 |         ('Py_NoUserSiteDirectory', 'user_site_directory', True), | 
 |         ('Py_OptimizeFlag', 'optimization_level'), | 
 |         ('Py_QuietFlag', 'quiet'), | 
 |         ('Py_UnbufferedStdioFlag', 'buffered_stdio', True), | 
 |         ('Py_VerboseFlag', 'verbose'), | 
 |     ] | 
 |     if MS_WINDOWS: | 
 |         COPY_GLOBAL_PRE_CONFIG.extend(( | 
 |             ('Py_LegacyWindowsFSEncodingFlag', 'legacy_windows_fs_encoding'), | 
 |         )) | 
 |         COPY_GLOBAL_CONFIG.extend(( | 
 |             ('Py_LegacyWindowsStdioFlag', 'legacy_windows_stdio'), | 
 |         )) | 
 |  | 
 |     EXPECTED_CONFIG = None | 
 |  | 
 |     @classmethod | 
 |     def tearDownClass(cls): | 
 |         # clear cache | 
 |         cls.EXPECTED_CONFIG = None | 
 |  | 
 |     def main_xoptions(self, xoptions_list): | 
 |         xoptions = {} | 
 |         for opt in xoptions_list: | 
 |             if '=' in opt: | 
 |                 key, value = opt.split('=', 1) | 
 |                 xoptions[key] = value | 
 |             else: | 
 |                 xoptions[opt] = True | 
 |         return xoptions | 
 |  | 
 |     def _get_expected_config_impl(self): | 
 |         env = remove_python_envvars() | 
 |         code = textwrap.dedent(''' | 
 |             import json | 
 |             import sys | 
 |             import _testinternalcapi | 
 |  | 
 |             configs = _testinternalcapi.get_configs() | 
 |  | 
 |             data = json.dumps(configs) | 
 |             data = data.encode('utf-8') | 
 |             sys.stdout.buffer.write(data) | 
 |             sys.stdout.buffer.flush() | 
 |         ''') | 
 |  | 
 |         # Use -S to not import the site module: get the proper configuration | 
 |         # when test_embed is run from a venv (bpo-35313) | 
 |         args = [sys.executable, '-S', '-c', code] | 
 |         proc = subprocess.run(args, env=env, | 
 |                               stdout=subprocess.PIPE, | 
 |                               stderr=subprocess.PIPE) | 
 |         if proc.returncode: | 
 |             raise Exception(f"failed to get the default config: " | 
 |                             f"stdout={proc.stdout!r} stderr={proc.stderr!r}") | 
 |         stdout = proc.stdout.decode('utf-8') | 
 |         # ignore stderr | 
 |         try: | 
 |             return json.loads(stdout) | 
 |         except json.JSONDecodeError: | 
 |             self.fail(f"fail to decode stdout: {stdout!r}") | 
 |  | 
 |     def _get_expected_config(self): | 
 |         cls = InitConfigTests | 
 |         if cls.EXPECTED_CONFIG is None: | 
 |             cls.EXPECTED_CONFIG = self._get_expected_config_impl() | 
 |  | 
 |         # get a copy | 
 |         configs = {} | 
 |         for config_key, config_value in cls.EXPECTED_CONFIG.items(): | 
 |             config = {} | 
 |             for key, value in config_value.items(): | 
 |                 if isinstance(value, list): | 
 |                     value = value.copy() | 
 |                 config[key] = value | 
 |             configs[config_key] = config | 
 |         return configs | 
 |  | 
 |     def get_expected_config(self, expected_preconfig, expected, | 
 |                             env, api, modify_path_cb=None, cwd=None): | 
 |         configs = self._get_expected_config() | 
 |  | 
 |         pre_config = configs['pre_config'] | 
 |         for key, value in expected_preconfig.items(): | 
 |             if value is self.GET_DEFAULT_CONFIG: | 
 |                 expected_preconfig[key] = pre_config[key] | 
 |  | 
 |         if not expected_preconfig['configure_locale'] or api == API_COMPAT: | 
 |             # there is no easy way to get the locale encoding before | 
 |             # setlocale(LC_CTYPE, "") is called: don't test encodings | 
 |             for key in ('filesystem_encoding', 'filesystem_errors', | 
 |                         'stdio_encoding', 'stdio_errors'): | 
 |                 expected[key] = self.IGNORE_CONFIG | 
 |  | 
 |         if not expected_preconfig['configure_locale']: | 
 |             # UTF-8 Mode depends on the locale. There is no easy way | 
 |             # to guess if UTF-8 Mode will be enabled or not if the locale | 
 |             # is not configured. | 
 |             expected_preconfig['utf8_mode'] = self.IGNORE_CONFIG | 
 |  | 
 |         if expected_preconfig['utf8_mode'] == 1: | 
 |             if expected['filesystem_encoding'] is self.GET_DEFAULT_CONFIG: | 
 |                 expected['filesystem_encoding'] = 'utf-8' | 
 |             if expected['filesystem_errors'] is self.GET_DEFAULT_CONFIG: | 
 |                 expected['filesystem_errors'] = self.UTF8_MODE_ERRORS | 
 |             if expected['stdio_encoding'] is self.GET_DEFAULT_CONFIG: | 
 |                 expected['stdio_encoding'] = 'utf-8' | 
 |             if expected['stdio_errors'] is self.GET_DEFAULT_CONFIG: | 
 |                 expected['stdio_errors'] = 'surrogateescape' | 
 |  | 
 |         if MS_WINDOWS: | 
 |             default_executable = self.test_exe | 
 |         elif expected['program_name'] is not self.GET_DEFAULT_CONFIG: | 
 |             default_executable = os.path.abspath(expected['program_name']) | 
 |         else: | 
 |             default_executable = os.path.join(os.getcwd(), '_testembed') | 
 |         if expected['executable'] is self.GET_DEFAULT_CONFIG: | 
 |             expected['executable'] = default_executable | 
 |         if expected['base_executable'] is self.GET_DEFAULT_CONFIG: | 
 |             expected['base_executable'] = default_executable | 
 |         if expected['program_name'] is self.GET_DEFAULT_CONFIG: | 
 |             expected['program_name'] = './_testembed' | 
 |             if MS_WINDOWS: | 
 |                 # follow the calculation in getpath.py | 
 |                 tmpname = expected['program_name'] + '.exe' | 
 |                 if cwd: | 
 |                     tmpname = os.path.join(cwd, tmpname) | 
 |                 if os.path.isfile(tmpname): | 
 |                     expected['program_name'] += '.exe' | 
 |                 del tmpname | 
 |  | 
 |         config = configs['config'] | 
 |         for key, value in expected.items(): | 
 |             if value is self.GET_DEFAULT_CONFIG: | 
 |                 expected[key] = config[key] | 
 |  | 
 |         if expected['module_search_paths'] is not self.IGNORE_CONFIG: | 
 |             pythonpath_env = expected['pythonpath_env'] | 
 |             if pythonpath_env is not None: | 
 |                 paths = pythonpath_env.split(os.path.pathsep) | 
 |                 expected['module_search_paths'] = [*paths, *expected['module_search_paths']] | 
 |             if modify_path_cb is not None: | 
 |                 expected['module_search_paths'] = expected['module_search_paths'].copy() | 
 |                 modify_path_cb(expected['module_search_paths']) | 
 |  | 
 |         for key in self.COPY_PRE_CONFIG: | 
 |             if key not in expected_preconfig: | 
 |                 expected_preconfig[key] = expected[key] | 
 |  | 
 |     def check_pre_config(self, configs, expected): | 
 |         pre_config = dict(configs['pre_config']) | 
 |         for key, value in list(expected.items()): | 
 |             if value is self.IGNORE_CONFIG: | 
 |                 pre_config.pop(key, None) | 
 |                 del expected[key] | 
 |         self.assertEqual(pre_config, expected) | 
 |  | 
 |     def check_config(self, configs, expected): | 
 |         config = dict(configs['config']) | 
 |         for key, value in list(expected.items()): | 
 |             if value is self.IGNORE_CONFIG: | 
 |                 config.pop(key, None) | 
 |                 del expected[key] | 
 |         self.assertEqual(config, expected) | 
 |  | 
 |     def check_global_config(self, configs): | 
 |         pre_config = configs['pre_config'] | 
 |         config = configs['config'] | 
 |  | 
 |         expected = dict(self.DEFAULT_GLOBAL_CONFIG) | 
 |         for item in self.COPY_GLOBAL_CONFIG: | 
 |             if len(item) == 3: | 
 |                 global_key, core_key, opposite = item | 
 |                 expected[global_key] = 0 if config[core_key] else 1 | 
 |             else: | 
 |                 global_key, core_key = item | 
 |                 expected[global_key] = config[core_key] | 
 |         for item in self.COPY_GLOBAL_PRE_CONFIG: | 
 |             if len(item) == 3: | 
 |                 global_key, core_key, opposite = item | 
 |                 expected[global_key] = 0 if pre_config[core_key] else 1 | 
 |             else: | 
 |                 global_key, core_key = item | 
 |                 expected[global_key] = pre_config[core_key] | 
 |  | 
 |         self.assertEqual(configs['global_config'], expected) | 
 |  | 
 |     def check_all_configs(self, testname, expected_config=None, | 
 |                           expected_preconfig=None, | 
 |                           modify_path_cb=None, | 
 |                           stderr=None, *, api, preconfig_api=None, | 
 |                           env=None, ignore_stderr=False, cwd=None): | 
 |         new_env = remove_python_envvars() | 
 |         if env is not None: | 
 |             new_env.update(env) | 
 |         env = new_env | 
 |  | 
 |         if preconfig_api is None: | 
 |             preconfig_api = api | 
 |         if preconfig_api == API_ISOLATED: | 
 |             default_preconfig = self.PRE_CONFIG_ISOLATED | 
 |         elif preconfig_api == API_PYTHON: | 
 |             default_preconfig = self.PRE_CONFIG_PYTHON | 
 |         else: | 
 |             default_preconfig = self.PRE_CONFIG_COMPAT | 
 |         if expected_preconfig is None: | 
 |             expected_preconfig = {} | 
 |         expected_preconfig = dict(default_preconfig, **expected_preconfig) | 
 |  | 
 |         if expected_config is None: | 
 |             expected_config = {} | 
 |  | 
 |         if api == API_PYTHON: | 
 |             default_config = self.CONFIG_PYTHON | 
 |         elif api == API_ISOLATED: | 
 |             default_config = self.CONFIG_ISOLATED | 
 |         else: | 
 |             default_config = self.CONFIG_COMPAT | 
 |         expected_config = dict(default_config, **expected_config) | 
 |  | 
 |         self.get_expected_config(expected_preconfig, | 
 |                                  expected_config, | 
 |                                  env, | 
 |                                  api, modify_path_cb, cwd) | 
 |  | 
 |         out, err = self.run_embedded_interpreter(testname, | 
 |                                                  env=env, cwd=cwd) | 
 |         if stderr is None and not expected_config['verbose']: | 
 |             stderr = "" | 
 |         if stderr is not None and not ignore_stderr: | 
 |             self.assertEqual(err.rstrip(), stderr) | 
 |         try: | 
 |             configs = json.loads(out) | 
 |         except json.JSONDecodeError: | 
 |             self.fail(f"fail to decode stdout: {out!r}") | 
 |  | 
 |         self.check_pre_config(configs, expected_preconfig) | 
 |         self.check_config(configs, expected_config) | 
 |         self.check_global_config(configs) | 
 |         return configs | 
 |  | 
 |     def test_init_default_config(self): | 
 |         self.check_all_configs("test_init_initialize_config", api=API_COMPAT) | 
 |  | 
 |     def test_preinit_compat_config(self): | 
 |         self.check_all_configs("test_preinit_compat_config", api=API_COMPAT) | 
 |  | 
 |     def test_init_compat_config(self): | 
 |         self.check_all_configs("test_init_compat_config", api=API_COMPAT) | 
 |  | 
 |     def test_init_global_config(self): | 
 |         preconfig = { | 
 |             'utf8_mode': 1, | 
 |         } | 
 |         config = { | 
 |             'program_name': './globalvar', | 
 |             'site_import': 0, | 
 |             'bytes_warning': 1, | 
 |             'warnoptions': ['default::BytesWarning'], | 
 |             'inspect': 1, | 
 |             'interactive': 1, | 
 |             'optimization_level': 2, | 
 |             'write_bytecode': 0, | 
 |             'verbose': 1, | 
 |             'quiet': 1, | 
 |             'buffered_stdio': 0, | 
 |  | 
 |             'user_site_directory': 0, | 
 |             'pathconfig_warnings': 0, | 
 |         } | 
 |         self.check_all_configs("test_init_global_config", config, preconfig, | 
 |                                api=API_COMPAT) | 
 |  | 
 |     def test_init_from_config(self): | 
 |         preconfig = { | 
 |             'allocator': PYMEM_ALLOCATOR_MALLOC, | 
 |             'utf8_mode': 1, | 
 |         } | 
 |         config = { | 
 |             'install_signal_handlers': 0, | 
 |             'use_hash_seed': 1, | 
 |             'hash_seed': 123, | 
 |             'tracemalloc': 2, | 
 |             'import_time': 1, | 
 |             'code_debug_ranges': 0, | 
 |             'show_ref_count': 1, | 
 |             'malloc_stats': 1, | 
 |  | 
 |             'stdio_encoding': 'iso8859-1', | 
 |             'stdio_errors': 'replace', | 
 |  | 
 |             'pycache_prefix': 'conf_pycache_prefix', | 
 |             'program_name': './conf_program_name', | 
 |             'argv': ['-c', 'arg2'], | 
 |             'orig_argv': ['python3', | 
 |                           '-W', 'cmdline_warnoption', | 
 |                           '-X', 'dev', | 
 |                           '-c', 'pass', | 
 |                           'arg2'], | 
 |             'parse_argv': 2, | 
 |             'xoptions': [ | 
 |                 'dev=3', | 
 |                 'utf8', | 
 |                 'dev', | 
 |             ], | 
 |             'warnoptions': [ | 
 |                 'cmdline_warnoption', | 
 |                 'default::BytesWarning', | 
 |                 'config_warnoption', | 
 |             ], | 
 |             'run_command': 'pass\n', | 
 |  | 
 |             'site_import': 0, | 
 |             'bytes_warning': 1, | 
 |             'inspect': 1, | 
 |             'interactive': 1, | 
 |             'optimization_level': 2, | 
 |             'write_bytecode': 0, | 
 |             'verbose': 1, | 
 |             'quiet': 1, | 
 |             'configure_c_stdio': 1, | 
 |             'buffered_stdio': 0, | 
 |             'user_site_directory': 0, | 
 |             'faulthandler': 1, | 
 |             'platlibdir': 'my_platlibdir', | 
 |             'module_search_paths': self.IGNORE_CONFIG, | 
 |  | 
 |             'check_hash_pycs_mode': 'always', | 
 |             'pathconfig_warnings': 0, | 
 |  | 
 |             '_isolated_interpreter': 1, | 
 |         } | 
 |         self.check_all_configs("test_init_from_config", config, preconfig, | 
 |                                api=API_COMPAT) | 
 |  | 
 |     def test_init_compat_env(self): | 
 |         preconfig = { | 
 |             'allocator': PYMEM_ALLOCATOR_MALLOC, | 
 |         } | 
 |         config = { | 
 |             'use_hash_seed': 1, | 
 |             'hash_seed': 42, | 
 |             'tracemalloc': 2, | 
 |             'import_time': 1, | 
 |             'code_debug_ranges': 0, | 
 |             'malloc_stats': 1, | 
 |             'inspect': 1, | 
 |             'optimization_level': 2, | 
 |             'pythonpath_env': '/my/path', | 
 |             'pycache_prefix': 'env_pycache_prefix', | 
 |             'write_bytecode': 0, | 
 |             'verbose': 1, | 
 |             'buffered_stdio': 0, | 
 |             'stdio_encoding': 'iso8859-1', | 
 |             'stdio_errors': 'replace', | 
 |             'user_site_directory': 0, | 
 |             'faulthandler': 1, | 
 |             'warnoptions': ['EnvVar'], | 
 |             'platlibdir': 'env_platlibdir', | 
 |             'module_search_paths': self.IGNORE_CONFIG, | 
 |         } | 
 |         self.check_all_configs("test_init_compat_env", config, preconfig, | 
 |                                api=API_COMPAT) | 
 |  | 
 |     def test_init_python_env(self): | 
 |         preconfig = { | 
 |             'allocator': PYMEM_ALLOCATOR_MALLOC, | 
 |             'utf8_mode': 1, | 
 |         } | 
 |         config = { | 
 |             'use_hash_seed': 1, | 
 |             'hash_seed': 42, | 
 |             'tracemalloc': 2, | 
 |             'import_time': 1, | 
 |             'code_debug_ranges': 0, | 
 |             'malloc_stats': 1, | 
 |             'inspect': 1, | 
 |             'optimization_level': 2, | 
 |             'pythonpath_env': '/my/path', | 
 |             'pycache_prefix': 'env_pycache_prefix', | 
 |             'write_bytecode': 0, | 
 |             'verbose': 1, | 
 |             'buffered_stdio': 0, | 
 |             'stdio_encoding': 'iso8859-1', | 
 |             'stdio_errors': 'replace', | 
 |             'user_site_directory': 0, | 
 |             'faulthandler': 1, | 
 |             'warnoptions': ['EnvVar'], | 
 |             'platlibdir': 'env_platlibdir', | 
 |             'module_search_paths': self.IGNORE_CONFIG, | 
 |         } | 
 |         self.check_all_configs("test_init_python_env", config, preconfig, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     def test_init_env_dev_mode(self): | 
 |         preconfig = dict(allocator=PYMEM_ALLOCATOR_DEBUG) | 
 |         config = dict(dev_mode=1, | 
 |                       faulthandler=1, | 
 |                       warnoptions=['default']) | 
 |         self.check_all_configs("test_init_env_dev_mode", config, preconfig, | 
 |                                api=API_COMPAT) | 
 |  | 
 |     def test_init_env_dev_mode_alloc(self): | 
 |         preconfig = dict(allocator=PYMEM_ALLOCATOR_MALLOC) | 
 |         config = dict(dev_mode=1, | 
 |                       faulthandler=1, | 
 |                       warnoptions=['default']) | 
 |         self.check_all_configs("test_init_env_dev_mode_alloc", config, preconfig, | 
 |                                api=API_COMPAT) | 
 |  | 
 |     def test_init_dev_mode(self): | 
 |         preconfig = { | 
 |             'allocator': PYMEM_ALLOCATOR_DEBUG, | 
 |         } | 
 |         config = { | 
 |             'faulthandler': 1, | 
 |             'dev_mode': 1, | 
 |             'warnoptions': ['default'], | 
 |         } | 
 |         self.check_all_configs("test_init_dev_mode", config, preconfig, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     def test_preinit_parse_argv(self): | 
 |         # Pre-initialize implicitly using argv: make sure that -X dev | 
 |         # is used to configure the allocation in preinitialization | 
 |         preconfig = { | 
 |             'allocator': PYMEM_ALLOCATOR_DEBUG, | 
 |         } | 
 |         config = { | 
 |             'argv': ['script.py'], | 
 |             'orig_argv': ['python3', '-X', 'dev', 'script.py'], | 
 |             'run_filename': os.path.abspath('script.py'), | 
 |             'dev_mode': 1, | 
 |             'faulthandler': 1, | 
 |             'warnoptions': ['default'], | 
 |             'xoptions': ['dev'], | 
 |         } | 
 |         self.check_all_configs("test_preinit_parse_argv", config, preconfig, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     def test_preinit_dont_parse_argv(self): | 
 |         # -X dev must be ignored by isolated preconfiguration | 
 |         preconfig = { | 
 |             'isolated': 0, | 
 |         } | 
 |         argv = ["python3", | 
 |                "-E", "-I", | 
 |                "-X", "dev", | 
 |                "-X", "utf8", | 
 |                "script.py"] | 
 |         config = { | 
 |             'argv': argv, | 
 |             'orig_argv': argv, | 
 |             'isolated': 0, | 
 |         } | 
 |         self.check_all_configs("test_preinit_dont_parse_argv", config, preconfig, | 
 |                                api=API_ISOLATED) | 
 |  | 
 |     def test_init_isolated_flag(self): | 
 |         config = { | 
 |             'isolated': 1, | 
 |             'use_environment': 0, | 
 |             'user_site_directory': 0, | 
 |         } | 
 |         self.check_all_configs("test_init_isolated_flag", config, api=API_PYTHON) | 
 |  | 
 |     def test_preinit_isolated1(self): | 
 |         # _PyPreConfig.isolated=1, _PyCoreConfig.isolated not set | 
 |         config = { | 
 |             'isolated': 1, | 
 |             'use_environment': 0, | 
 |             'user_site_directory': 0, | 
 |         } | 
 |         self.check_all_configs("test_preinit_isolated1", config, api=API_COMPAT) | 
 |  | 
 |     def test_preinit_isolated2(self): | 
 |         # _PyPreConfig.isolated=0, _PyCoreConfig.isolated=1 | 
 |         config = { | 
 |             'isolated': 1, | 
 |             'use_environment': 0, | 
 |             'user_site_directory': 0, | 
 |         } | 
 |         self.check_all_configs("test_preinit_isolated2", config, api=API_COMPAT) | 
 |  | 
 |     def test_preinit_isolated_config(self): | 
 |         self.check_all_configs("test_preinit_isolated_config", api=API_ISOLATED) | 
 |  | 
 |     def test_init_isolated_config(self): | 
 |         self.check_all_configs("test_init_isolated_config", api=API_ISOLATED) | 
 |  | 
 |     def test_preinit_python_config(self): | 
 |         self.check_all_configs("test_preinit_python_config", api=API_PYTHON) | 
 |  | 
 |     def test_init_python_config(self): | 
 |         self.check_all_configs("test_init_python_config", api=API_PYTHON) | 
 |  | 
 |     def test_init_dont_configure_locale(self): | 
 |         # _PyPreConfig.configure_locale=0 | 
 |         preconfig = { | 
 |             'configure_locale': 0, | 
 |             'coerce_c_locale': 0, | 
 |         } | 
 |         self.check_all_configs("test_init_dont_configure_locale", {}, preconfig, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     @unittest.skip('as of 3.11 this test no longer works because ' | 
 |                    'path calculations do not occur on read') | 
 |     def test_init_read_set(self): | 
 |         config = { | 
 |             'program_name': './init_read_set', | 
 |             'executable': 'my_executable', | 
 |             'base_executable': 'my_executable', | 
 |         } | 
 |         def modify_path(path): | 
 |             path.insert(1, "test_path_insert1") | 
 |             path.append("test_path_append") | 
 |         self.check_all_configs("test_init_read_set", config, | 
 |                                api=API_PYTHON, | 
 |                                modify_path_cb=modify_path) | 
 |  | 
 |     def test_init_sys_add(self): | 
 |         config = { | 
 |             'faulthandler': 1, | 
 |             'xoptions': [ | 
 |                 'dev', | 
 |                 'utf8', | 
 |                 'faulthandler', | 
 |             ], | 
 |             'warnoptions': [ | 
 |                 'ignore:::cmdline_warnoption', | 
 |                 'ignore:::sysadd_warnoption', | 
 |                 'ignore:::config_warnoption', | 
 |             ], | 
 |             'orig_argv': ['python3', | 
 |                           '-W', 'ignore:::cmdline_warnoption', | 
 |                           '-X', 'utf8'], | 
 |         } | 
 |         preconfig = {'utf8_mode': 1} | 
 |         self.check_all_configs("test_init_sys_add", config, | 
 |                                expected_preconfig=preconfig, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     def test_init_run_main(self): | 
 |         code = ('import _testinternalcapi, json; ' | 
 |                 'print(json.dumps(_testinternalcapi.get_configs()))') | 
 |         config = { | 
 |             'argv': ['-c', 'arg2'], | 
 |             'orig_argv': ['python3', '-c', code, 'arg2'], | 
 |             'program_name': './python3', | 
 |             'run_command': code + '\n', | 
 |             'parse_argv': 2, | 
 |         } | 
 |         self.check_all_configs("test_init_run_main", config, api=API_PYTHON) | 
 |  | 
 |     def test_init_main(self): | 
 |         code = ('import _testinternalcapi, json; ' | 
 |                 'print(json.dumps(_testinternalcapi.get_configs()))') | 
 |         config = { | 
 |             'argv': ['-c', 'arg2'], | 
 |             'orig_argv': ['python3', | 
 |                           '-c', code, | 
 |                           'arg2'], | 
 |             'program_name': './python3', | 
 |             'run_command': code + '\n', | 
 |             'parse_argv': 2, | 
 |             '_init_main': 0, | 
 |         } | 
 |         self.check_all_configs("test_init_main", config, | 
 |                                api=API_PYTHON, | 
 |                                stderr="Run Python code before _Py_InitializeMain") | 
 |  | 
 |     def test_init_parse_argv(self): | 
 |         config = { | 
 |             'parse_argv': 2, | 
 |             'argv': ['-c', 'arg1', '-v', 'arg3'], | 
 |             'orig_argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'], | 
 |             'program_name': './argv0', | 
 |             'run_command': 'pass\n', | 
 |             'use_environment': 0, | 
 |         } | 
 |         self.check_all_configs("test_init_parse_argv", config, api=API_PYTHON) | 
 |  | 
 |     def test_init_dont_parse_argv(self): | 
 |         pre_config = { | 
 |             'parse_argv': 0, | 
 |         } | 
 |         config = { | 
 |             'parse_argv': 0, | 
 |             'argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'], | 
 |             'orig_argv': ['./argv0', '-E', '-c', 'pass', 'arg1', '-v', 'arg3'], | 
 |             'program_name': './argv0', | 
 |         } | 
 |         self.check_all_configs("test_init_dont_parse_argv", config, pre_config, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     def default_program_name(self, config): | 
 |         if MS_WINDOWS: | 
 |             program_name = 'python' | 
 |             executable = self.test_exe | 
 |         else: | 
 |             program_name = 'python3' | 
 |             if MACOS: | 
 |                 executable = self.test_exe | 
 |             else: | 
 |                 executable = shutil.which(program_name) or '' | 
 |         config.update({ | 
 |             'program_name': program_name, | 
 |             'base_executable': executable, | 
 |             'executable': executable, | 
 |         }) | 
 |  | 
 |     def test_init_setpath(self): | 
 |         # Test Py_SetPath() | 
 |         config = self._get_expected_config() | 
 |         paths = config['config']['module_search_paths'] | 
 |  | 
 |         config = { | 
 |             'module_search_paths': paths, | 
 |             'prefix': '', | 
 |             'base_prefix': '', | 
 |             'exec_prefix': '', | 
 |             'base_exec_prefix': '', | 
 |              # The current getpath.c doesn't determine the stdlib dir | 
 |              # in this case. | 
 |             'stdlib_dir': '', | 
 |         } | 
 |         self.default_program_name(config) | 
 |         env = {'TESTPATH': os.path.pathsep.join(paths)} | 
 |  | 
 |         self.check_all_configs("test_init_setpath", config, | 
 |                                api=API_COMPAT, env=env, | 
 |                                ignore_stderr=True) | 
 |  | 
 |     def test_init_setpath_config(self): | 
 |         # Test Py_SetPath() with PyConfig | 
 |         config = self._get_expected_config() | 
 |         paths = config['config']['module_search_paths'] | 
 |  | 
 |         config = { | 
 |             # set by Py_SetPath() | 
 |             'module_search_paths': paths, | 
 |             'prefix': '', | 
 |             'base_prefix': '', | 
 |             'exec_prefix': '', | 
 |             'base_exec_prefix': '', | 
 |              # The current getpath.c doesn't determine the stdlib dir | 
 |              # in this case. | 
 |             'stdlib_dir': '', | 
 |             'use_frozen_modules': 1, | 
 |             # overridden by PyConfig | 
 |             'program_name': 'conf_program_name', | 
 |             'base_executable': 'conf_executable', | 
 |             'executable': 'conf_executable', | 
 |         } | 
 |         env = {'TESTPATH': os.path.pathsep.join(paths)} | 
 |         self.check_all_configs("test_init_setpath_config", config, | 
 |                                api=API_PYTHON, env=env, ignore_stderr=True) | 
 |  | 
 |     def module_search_paths(self, prefix=None, exec_prefix=None): | 
 |         config = self._get_expected_config() | 
 |         if prefix is None: | 
 |             prefix = config['config']['prefix'] | 
 |         if exec_prefix is None: | 
 |             exec_prefix = config['config']['prefix'] | 
 |         if MS_WINDOWS: | 
 |             return config['config']['module_search_paths'] | 
 |         else: | 
 |             ver = sys.version_info | 
 |             return [ | 
 |                 os.path.join(prefix, sys.platlibdir, | 
 |                              f'python{ver.major}{ver.minor}.zip'), | 
 |                 os.path.join(prefix, sys.platlibdir, | 
 |                              f'python{ver.major}.{ver.minor}'), | 
 |                 os.path.join(exec_prefix, sys.platlibdir, | 
 |                              f'python{ver.major}.{ver.minor}', 'lib-dynload'), | 
 |             ] | 
 |  | 
 |     @contextlib.contextmanager | 
 |     def tmpdir_with_python(self, subdir=None): | 
 |         # Temporary directory with a copy of the Python program | 
 |         with tempfile.TemporaryDirectory() as tmpdir: | 
 |             # bpo-38234: On macOS and FreeBSD, the temporary directory | 
 |             # can be symbolic link. For example, /tmp can be a symbolic link | 
 |             # to /var/tmp. Call realpath() to resolve all symbolic links. | 
 |             tmpdir = os.path.realpath(tmpdir) | 
 |             if subdir: | 
 |                 tmpdir = os.path.normpath(os.path.join(tmpdir, subdir)) | 
 |                 os.makedirs(tmpdir) | 
 |  | 
 |             if MS_WINDOWS: | 
 |                 # Copy pythonXY.dll (or pythonXY_d.dll) | 
 |                 ver = sys.version_info | 
 |                 dll = f'python{ver.major}{ver.minor}' | 
 |                 dll3 = f'python{ver.major}' | 
 |                 if debug_build(sys.executable): | 
 |                     dll += '_d' | 
 |                     dll3 += '_d' | 
 |                 dll += '.dll' | 
 |                 dll3 += '.dll' | 
 |                 dll = os.path.join(os.path.dirname(self.test_exe), dll) | 
 |                 dll3 = os.path.join(os.path.dirname(self.test_exe), dll3) | 
 |                 dll_copy = os.path.join(tmpdir, os.path.basename(dll)) | 
 |                 dll3_copy = os.path.join(tmpdir, os.path.basename(dll3)) | 
 |                 shutil.copyfile(dll, dll_copy) | 
 |                 shutil.copyfile(dll3, dll3_copy) | 
 |  | 
 |             # Copy Python program | 
 |             exec_copy = os.path.join(tmpdir, os.path.basename(self.test_exe)) | 
 |             shutil.copyfile(self.test_exe, exec_copy) | 
 |             shutil.copystat(self.test_exe, exec_copy) | 
 |             self.test_exe = exec_copy | 
 |  | 
 |             yield tmpdir | 
 |  | 
 |     def test_init_setpythonhome(self): | 
 |         # Test Py_SetPythonHome(home) with PYTHONPATH env var | 
 |         config = self._get_expected_config() | 
 |         paths = config['config']['module_search_paths'] | 
 |         paths_str = os.path.pathsep.join(paths) | 
 |  | 
 |         for path in paths: | 
 |             if not os.path.isdir(path): | 
 |                 continue | 
 |             if os.path.exists(os.path.join(path, 'os.py')): | 
 |                 home = os.path.dirname(path) | 
 |                 break | 
 |         else: | 
 |             self.fail(f"Unable to find home in {paths!r}") | 
 |  | 
 |         prefix = exec_prefix = home | 
 |         if MS_WINDOWS: | 
 |             stdlib = os.path.join(home, "Lib") | 
 |             # Because we are specifying 'home', module search paths | 
 |             # are fairly static | 
 |             expected_paths = [paths[0], stdlib, os.path.join(home, 'DLLs')] | 
 |         else: | 
 |             version = f'{sys.version_info.major}.{sys.version_info.minor}' | 
 |             stdlib = os.path.join(home, sys.platlibdir, f'python{version}') | 
 |             expected_paths = self.module_search_paths(prefix=home, exec_prefix=home) | 
 |  | 
 |         config = { | 
 |             'home': home, | 
 |             'module_search_paths': expected_paths, | 
 |             'prefix': prefix, | 
 |             'base_prefix': prefix, | 
 |             'exec_prefix': exec_prefix, | 
 |             'base_exec_prefix': exec_prefix, | 
 |             'pythonpath_env': paths_str, | 
 |             'stdlib_dir': stdlib, | 
 |         } | 
 |         self.default_program_name(config) | 
 |         env = {'TESTHOME': home, 'PYTHONPATH': paths_str} | 
 |         self.check_all_configs("test_init_setpythonhome", config, | 
 |                                api=API_COMPAT, env=env) | 
 |  | 
 |     def copy_paths_by_env(self, config): | 
 |         all_configs = self._get_expected_config() | 
 |         paths = all_configs['config']['module_search_paths'] | 
 |         paths_str = os.path.pathsep.join(paths) | 
 |         config['pythonpath_env'] = paths_str | 
 |         env = {'PYTHONPATH': paths_str} | 
 |         return env | 
 |  | 
 |     @unittest.skipIf(MS_WINDOWS, 'See test_init_pybuilddir_win32') | 
 |     def test_init_pybuilddir(self): | 
 |         # Test path configuration with pybuilddir.txt configuration file | 
 |  | 
 |         with self.tmpdir_with_python() as tmpdir: | 
 |             # pybuilddir.txt is a sub-directory relative to the current | 
 |             # directory (tmpdir) | 
 |             subdir = 'libdir' | 
 |             libdir = os.path.join(tmpdir, subdir) | 
 |             # The stdlib dir is dirname(executable) + VPATH + 'Lib' | 
 |             stdlibdir = os.path.join(tmpdir, 'Lib') | 
 |             os.mkdir(libdir) | 
 |  | 
 |             filename = os.path.join(tmpdir, 'pybuilddir.txt') | 
 |             with open(filename, "w", encoding="utf8") as fp: | 
 |                 fp.write(subdir) | 
 |  | 
 |             module_search_paths = self.module_search_paths() | 
 |             module_search_paths[-2] = stdlibdir | 
 |             module_search_paths[-1] = libdir | 
 |  | 
 |             executable = self.test_exe | 
 |             config = { | 
 |                 'base_exec_prefix': sysconfig.get_config_var("exec_prefix"), | 
 |                 'base_prefix': sysconfig.get_config_var("prefix"), | 
 |                 'base_executable': executable, | 
 |                 'executable': executable, | 
 |                 'module_search_paths': module_search_paths, | 
 |                 'stdlib_dir': stdlibdir, | 
 |             } | 
 |             env = self.copy_paths_by_env(config) | 
 |             self.check_all_configs("test_init_compat_config", config, | 
 |                                    api=API_COMPAT, env=env, | 
 |                                    ignore_stderr=True, cwd=tmpdir) | 
 |  | 
 |     @unittest.skipUnless(MS_WINDOWS, 'See test_init_pybuilddir') | 
 |     def test_init_pybuilddir_win32(self): | 
 |         # Test path configuration with pybuilddir.txt configuration file | 
 |  | 
 |         vpath = sysconfig.get_config_var("VPATH") | 
 |         subdir = r'PCbuild\arch' | 
 |         if os.path.normpath(vpath).count(os.sep) == 2: | 
 |             subdir = os.path.join(subdir, 'instrumented') | 
 |  | 
 |         with self.tmpdir_with_python(subdir) as tmpdir: | 
 |             # The prefix is dirname(executable) + VPATH | 
 |             prefix = os.path.normpath(os.path.join(tmpdir, vpath)) | 
 |             # The stdlib dir is dirname(executable) + VPATH + 'Lib' | 
 |             stdlibdir = os.path.normpath(os.path.join(tmpdir, vpath, 'Lib')) | 
 |  | 
 |             filename = os.path.join(tmpdir, 'pybuilddir.txt') | 
 |             with open(filename, "w", encoding="utf8") as fp: | 
 |                 fp.write(tmpdir) | 
 |  | 
 |             module_search_paths = self.module_search_paths() | 
 |             module_search_paths[-3] = os.path.join(tmpdir, os.path.basename(module_search_paths[-3])) | 
 |             module_search_paths[-2] = stdlibdir | 
 |             module_search_paths[-1] = tmpdir | 
 |  | 
 |             executable = self.test_exe | 
 |             config = { | 
 |                 'base_exec_prefix': prefix, | 
 |                 'base_prefix': prefix, | 
 |                 'base_executable': executable, | 
 |                 'executable': executable, | 
 |                 'prefix': prefix, | 
 |                 'exec_prefix': prefix, | 
 |                 'module_search_paths': module_search_paths, | 
 |                 'stdlib_dir': stdlibdir, | 
 |             } | 
 |             env = self.copy_paths_by_env(config) | 
 |             self.check_all_configs("test_init_compat_config", config, | 
 |                                    api=API_COMPAT, env=env, | 
 |                                    ignore_stderr=False, cwd=tmpdir) | 
 |  | 
 |     def test_init_pyvenv_cfg(self): | 
 |         # Test path configuration with pyvenv.cfg configuration file | 
 |  | 
 |         with self.tmpdir_with_python() as tmpdir, \ | 
 |              tempfile.TemporaryDirectory() as pyvenv_home: | 
 |             ver = sys.version_info | 
 |  | 
 |             if not MS_WINDOWS: | 
 |                 lib_dynload = os.path.join(pyvenv_home, | 
 |                                            sys.platlibdir, | 
 |                                            f'python{ver.major}.{ver.minor}', | 
 |                                            'lib-dynload') | 
 |                 os.makedirs(lib_dynload) | 
 |             else: | 
 |                 lib_folder = os.path.join(pyvenv_home, 'Lib') | 
 |                 os.makedirs(lib_folder) | 
 |                 # getpath.py uses Lib\os.py as the LANDMARK | 
 |                 shutil.copyfile( | 
 |                     os.path.join(support.STDLIB_DIR, 'os.py'), | 
 |                     os.path.join(lib_folder, 'os.py'), | 
 |                 ) | 
 |  | 
 |             filename = os.path.join(tmpdir, 'pyvenv.cfg') | 
 |             with open(filename, "w", encoding="utf8") as fp: | 
 |                 print("home = %s" % pyvenv_home, file=fp) | 
 |                 print("include-system-site-packages = false", file=fp) | 
 |  | 
 |             paths = self.module_search_paths() | 
 |             if not MS_WINDOWS: | 
 |                 paths[-1] = lib_dynload | 
 |             else: | 
 |                 # Include DLLs directory as well | 
 |                 paths.insert(1, '.\\DLLs') | 
 |                 for index, path in enumerate(paths): | 
 |                     if index == 0: | 
 |                         # Because we copy the DLLs into tmpdir as well, the zip file | 
 |                         # entry in sys.path will be there. For a regular venv, it will | 
 |                         # usually be in the home directory. | 
 |                         paths[index] = os.path.join(tmpdir, os.path.basename(path)) | 
 |                     else: | 
 |                         paths[index] = os.path.join(pyvenv_home, os.path.basename(path)) | 
 |                 paths[-1] = pyvenv_home | 
 |  | 
 |             executable = self.test_exe | 
 |             base_executable = os.path.join(pyvenv_home, os.path.basename(executable)) | 
 |             exec_prefix = pyvenv_home | 
 |             config = { | 
 |                 'base_prefix': sysconfig.get_config_var("prefix"), | 
 |                 'base_exec_prefix': exec_prefix, | 
 |                 'exec_prefix': exec_prefix, | 
 |                 'base_executable': base_executable, | 
 |                 'executable': executable, | 
 |                 'module_search_paths': paths, | 
 |             } | 
 |             if MS_WINDOWS: | 
 |                 config['base_prefix'] = pyvenv_home | 
 |                 config['prefix'] = pyvenv_home | 
 |                 config['stdlib_dir'] = os.path.join(pyvenv_home, 'Lib') | 
 |                 config['use_frozen_modules'] = 1 | 
 |             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 | 
 |  | 
 |             env = self.copy_paths_by_env(config) | 
 |             self.check_all_configs("test_init_compat_config", config, | 
 |                                    api=API_COMPAT, env=env, | 
 |                                    ignore_stderr=True, cwd=tmpdir) | 
 |  | 
 |     @unittest.skipUnless(MS_WINDOWS, 'specific to Windows') | 
 |     def test_getpath_abspath_win32(self): | 
 |         # Check _Py_abspath() is passed a backslashed path not to fall back to | 
 |         # GetFullPathNameW() on startup, which (re-)normalizes the path overly. | 
 |         # Currently, _Py_normpath() doesn't trim trailing dots and spaces. | 
 |         CASES = [ | 
 |             ("C:/a. . .",  "C:\\a. . ."), | 
 |             ("C:\\a. . .", "C:\\a. . ."), | 
 |             ("\\\\?\\C:////a////b. . .", "\\\\?\\C:\\a\\b. . ."), | 
 |             ("//a/b/c. . .", "\\\\a\\b\\c. . ."), | 
 |             ("\\\\a\\b\\c. . .", "\\\\a\\b\\c. . ."), | 
 |             ("a. . .", f"{os.getcwd()}\\a"),  # relpath gets fully normalized | 
 |         ] | 
 |         out, err = self.run_embedded_interpreter( | 
 |             "test_init_initialize_config", | 
 |             env={**remove_python_envvars(), | 
 |                  "PYTHONPATH": os.path.pathsep.join(c[0] for c in CASES)} | 
 |         ) | 
 |         self.assertEqual(err, "") | 
 |         try: | 
 |             out = json.loads(out) | 
 |         except json.JSONDecodeError: | 
 |             self.fail(f"fail to decode stdout: {out!r}") | 
 |  | 
 |         results = out['config']["module_search_paths"] | 
 |         for (_, expected), result in zip(CASES, results): | 
 |             self.assertEqual(result, expected) | 
 |  | 
 |     def test_global_pathconfig(self): | 
 |         # Test C API functions getting the path configuration: | 
 |         # | 
 |         # - Py_GetExecPrefix() | 
 |         # - Py_GetPath() | 
 |         # - Py_GetPrefix() | 
 |         # - Py_GetProgramFullPath() | 
 |         # - Py_GetProgramName() | 
 |         # - Py_GetPythonHome() | 
 |         # | 
 |         # The global path configuration (_Py_path_config) must be a copy | 
 |         # of the path configuration of PyInterpreter.config (PyConfig). | 
 |         ctypes = import_helper.import_module('ctypes') | 
 |         _testinternalcapi = import_helper.import_module('_testinternalcapi') | 
 |  | 
 |         def get_func(name): | 
 |             func = getattr(ctypes.pythonapi, name) | 
 |             func.argtypes = () | 
 |             func.restype = ctypes.c_wchar_p | 
 |             return func | 
 |  | 
 |         Py_GetPath = get_func('Py_GetPath') | 
 |         Py_GetPrefix = get_func('Py_GetPrefix') | 
 |         Py_GetExecPrefix = get_func('Py_GetExecPrefix') | 
 |         Py_GetProgramName = get_func('Py_GetProgramName') | 
 |         Py_GetProgramFullPath = get_func('Py_GetProgramFullPath') | 
 |         Py_GetPythonHome = get_func('Py_GetPythonHome') | 
 |  | 
 |         config = _testinternalcapi.get_configs()['config'] | 
 |  | 
 |         self.assertEqual(Py_GetPath().split(os.path.pathsep), | 
 |                          config['module_search_paths']) | 
 |         self.assertEqual(Py_GetPrefix(), config['prefix']) | 
 |         self.assertEqual(Py_GetExecPrefix(), config['exec_prefix']) | 
 |         self.assertEqual(Py_GetProgramName(), config['program_name']) | 
 |         self.assertEqual(Py_GetProgramFullPath(), config['executable']) | 
 |         self.assertEqual(Py_GetPythonHome(), config['home']) | 
 |  | 
 |     def test_init_warnoptions(self): | 
 |         # lowest to highest priority | 
 |         warnoptions = [ | 
 |             'ignore:::PyConfig_Insert0',      # PyWideStringList_Insert(0) | 
 |             'default',                        # PyConfig.dev_mode=1 | 
 |             'ignore:::env1',                  # PYTHONWARNINGS env var | 
 |             'ignore:::env2',                  # PYTHONWARNINGS env var | 
 |             'ignore:::cmdline1',              # -W opt command line option | 
 |             'ignore:::cmdline2',              # -W opt command line option | 
 |             'default::BytesWarning',          # PyConfig.bytes_warnings=1 | 
 |             'ignore:::PySys_AddWarnOption1',  # PySys_AddWarnOption() | 
 |             'ignore:::PySys_AddWarnOption2',  # PySys_AddWarnOption() | 
 |             'ignore:::PyConfig_BeforeRead',   # PyConfig.warnoptions | 
 |             'ignore:::PyConfig_AfterRead']    # PyWideStringList_Append() | 
 |         preconfig = dict(allocator=PYMEM_ALLOCATOR_DEBUG) | 
 |         config = { | 
 |             'dev_mode': 1, | 
 |             'faulthandler': 1, | 
 |             'bytes_warning': 1, | 
 |             'warnoptions': warnoptions, | 
 |             'orig_argv': ['python3', | 
 |                           '-Wignore:::cmdline1', | 
 |                           '-Wignore:::cmdline2'], | 
 |         } | 
 |         self.check_all_configs("test_init_warnoptions", config, preconfig, | 
 |                                api=API_PYTHON) | 
 |  | 
 |     def test_init_set_config(self): | 
 |         config = { | 
 |             '_init_main': 0, | 
 |             'bytes_warning': 2, | 
 |             'warnoptions': ['error::BytesWarning'], | 
 |         } | 
 |         self.check_all_configs("test_init_set_config", config, | 
 |                                api=API_ISOLATED) | 
 |  | 
 |     def test_get_argc_argv(self): | 
 |         self.run_embedded_interpreter("test_get_argc_argv") | 
 |         # ignore output | 
 |  | 
 |     def test_init_use_frozen_modules(self): | 
 |         tests = { | 
 |             ('=on', 1), | 
 |             ('=off', 0), | 
 |             ('=', 1), | 
 |             ('', 1), | 
 |         } | 
 |         for raw, expected in tests: | 
 |             optval = f'frozen_modules{raw}' | 
 |             config = { | 
 |                 'parse_argv': 2, | 
 |                 'argv': ['-c'], | 
 |                 'orig_argv': ['./argv0', '-X', optval, '-c', 'pass'], | 
 |                 'program_name': './argv0', | 
 |                 'run_command': 'pass\n', | 
 |                 'use_environment': 1, | 
 |                 'xoptions': [optval], | 
 |                 'use_frozen_modules': expected, | 
 |             } | 
 |             env = {'TESTFROZEN': raw[1:]} if raw else None | 
 |             with self.subTest(repr(raw)): | 
 |                 self.check_all_configs("test_init_use_frozen_modules", config, | 
 |                                        api=API_PYTHON, env=env) | 
 |  | 
 |  | 
 | class SetConfigTests(unittest.TestCase): | 
 |     def test_set_config(self): | 
 |         # bpo-42260: Test _PyInterpreterState_SetConfig() | 
 |         import_helper.import_module('_testcapi') | 
 |         cmd = [sys.executable, '-X', 'utf8', '-I', '-m', 'test._test_embed_set_config'] | 
 |         proc = subprocess.run(cmd, | 
 |                               stdout=subprocess.PIPE, | 
 |                               stderr=subprocess.PIPE, | 
 |                               encoding='utf-8', errors='backslashreplace') | 
 |         if proc.returncode and support.verbose: | 
 |             print(proc.stdout) | 
 |             print(proc.stderr) | 
 |         self.assertEqual(proc.returncode, 0, | 
 |                          (proc.returncode, proc.stdout, proc.stderr)) | 
 |  | 
 |  | 
 | class AuditingTests(EmbeddingTestsMixin, unittest.TestCase): | 
 |     def test_open_code_hook(self): | 
 |         self.run_embedded_interpreter("test_open_code_hook") | 
 |  | 
 |     def test_audit(self): | 
 |         self.run_embedded_interpreter("test_audit") | 
 |  | 
 |     def test_audit_subinterpreter(self): | 
 |         self.run_embedded_interpreter("test_audit_subinterpreter") | 
 |  | 
 |     def test_audit_run_command(self): | 
 |         self.run_embedded_interpreter("test_audit_run_command", | 
 |                                       timeout=support.SHORT_TIMEOUT, | 
 |                                       returncode=1) | 
 |  | 
 |     def test_audit_run_file(self): | 
 |         self.run_embedded_interpreter("test_audit_run_file", | 
 |                                       timeout=support.SHORT_TIMEOUT, | 
 |                                       returncode=1) | 
 |  | 
 |     def test_audit_run_interactivehook(self): | 
 |         startup = os.path.join(self.oldcwd, os_helper.TESTFN) + ".py" | 
 |         with open(startup, "w", encoding="utf-8") as f: | 
 |             print("import sys", file=f) | 
 |             print("sys.__interactivehook__ = lambda: None", file=f) | 
 |         try: | 
 |             env = {**remove_python_envvars(), "PYTHONSTARTUP": startup} | 
 |             self.run_embedded_interpreter("test_audit_run_interactivehook", | 
 |                                           timeout=support.SHORT_TIMEOUT, | 
 |                                           returncode=10, env=env) | 
 |         finally: | 
 |             os.unlink(startup) | 
 |  | 
 |     def test_audit_run_startup(self): | 
 |         startup = os.path.join(self.oldcwd, os_helper.TESTFN) + ".py" | 
 |         with open(startup, "w", encoding="utf-8") as f: | 
 |             print("pass", file=f) | 
 |         try: | 
 |             env = {**remove_python_envvars(), "PYTHONSTARTUP": startup} | 
 |             self.run_embedded_interpreter("test_audit_run_startup", | 
 |                                           timeout=support.SHORT_TIMEOUT, | 
 |                                           returncode=10, env=env) | 
 |         finally: | 
 |             os.unlink(startup) | 
 |  | 
 |     def test_audit_run_stdin(self): | 
 |         self.run_embedded_interpreter("test_audit_run_stdin", | 
 |                                       timeout=support.SHORT_TIMEOUT, | 
 |                                       returncode=1) | 
 |  | 
 |  | 
 | class MiscTests(EmbeddingTestsMixin, unittest.TestCase): | 
 |     def test_unicode_id_init(self): | 
 |         # bpo-42882: Test that _PyUnicode_FromId() works | 
 |         # when Python is initialized multiples times. | 
 |         self.run_embedded_interpreter("test_unicode_id_init") | 
 |  | 
 |     # See bpo-44133 | 
 |     @unittest.skipIf(os.name == 'nt', | 
 |                      'Py_FrozenMain is not exported on Windows') | 
 |     def test_frozenmain(self): | 
 |         env = dict(os.environ) | 
 |         env['PYTHONUNBUFFERED'] = '1' | 
 |         out, err = self.run_embedded_interpreter("test_frozenmain", env=env) | 
 |         executable = os.path.realpath('./argv0') | 
 |         expected = textwrap.dedent(f""" | 
 |             Frozen Hello World | 
 |             sys.argv ['./argv0', '-E', 'arg1', 'arg2'] | 
 |             config program_name: ./argv0 | 
 |             config executable: {executable} | 
 |             config use_environment: 1 | 
 |             config configure_c_stdio: 1 | 
 |             config buffered_stdio: 0 | 
 |         """).lstrip() | 
 |         self.assertEqual(out, expected) | 
 |  | 
 |  | 
 | class StdPrinterTests(EmbeddingTestsMixin, unittest.TestCase): | 
 |     # Test PyStdPrinter_Type which is used by _PySys_SetPreliminaryStderr(): | 
 |     #   "Set up a preliminary stderr printer until we have enough | 
 |     #    infrastructure for the io module in place." | 
 |  | 
 |     STDOUT_FD = 1 | 
 |  | 
 |     def create_printer(self, fd): | 
 |         ctypes = import_helper.import_module('ctypes') | 
 |         PyFile_NewStdPrinter = ctypes.pythonapi.PyFile_NewStdPrinter | 
 |         PyFile_NewStdPrinter.argtypes = (ctypes.c_int,) | 
 |         PyFile_NewStdPrinter.restype = ctypes.py_object | 
 |         return PyFile_NewStdPrinter(fd) | 
 |  | 
 |     def test_write(self): | 
 |         message = "unicode:\xe9-\u20ac-\udc80!\n" | 
 |  | 
 |         stdout_fd = self.STDOUT_FD | 
 |         stdout_fd_copy = os.dup(stdout_fd) | 
 |         self.addCleanup(os.close, stdout_fd_copy) | 
 |  | 
 |         rfd, wfd = os.pipe() | 
 |         self.addCleanup(os.close, rfd) | 
 |         self.addCleanup(os.close, wfd) | 
 |         try: | 
 |             # PyFile_NewStdPrinter() only accepts fileno(stdout) | 
 |             # or fileno(stderr) file descriptor. | 
 |             os.dup2(wfd, stdout_fd) | 
 |  | 
 |             printer = self.create_printer(stdout_fd) | 
 |             printer.write(message) | 
 |         finally: | 
 |             os.dup2(stdout_fd_copy, stdout_fd) | 
 |  | 
 |         data = os.read(rfd, 100) | 
 |         self.assertEqual(data, message.encode('utf8', 'backslashreplace')) | 
 |  | 
 |     def test_methods(self): | 
 |         fd = self.STDOUT_FD | 
 |         printer = self.create_printer(fd) | 
 |         self.assertEqual(printer.fileno(), fd) | 
 |         self.assertEqual(printer.isatty(), os.isatty(fd)) | 
 |         printer.flush()  # noop | 
 |         printer.close()  # noop | 
 |  | 
 |     def test_disallow_instantiation(self): | 
 |         fd = self.STDOUT_FD | 
 |         printer = self.create_printer(fd) | 
 |         support.check_disallow_instantiation(self, type(printer)) | 
 |  | 
 |  | 
 | if __name__ == "__main__": | 
 |     unittest.main() |