|  | # 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 re | 
|  | import shutil | 
|  | import subprocess | 
|  | import sys | 
|  | import tempfile | 
|  | import textwrap | 
|  |  | 
|  |  | 
|  | 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 = 16 | 
|  | MAX_HASH_SEED = 4294967295 | 
|  |  | 
|  |  | 
|  | 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): | 
|  | here = os.path.abspath(__file__) | 
|  | basepath = os.path.dirname(os.path.dirname(os.path.dirname(here))) | 
|  | exename = "_testembed" | 
|  | if MS_WINDOWS: | 
|  | ext = ("_d" if debug_build(sys.executable) else "") + ".exe" | 
|  | exename += ext | 
|  | exepath = os.path.dirname(sys.executable) | 
|  | else: | 
|  | exepath = os.path.join(basepath, "Programs") | 
|  | self.test_exe = exe = os.path.join(exepath, exename) | 
|  | if 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(basepath) | 
|  |  | 
|  | 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: {'not_an_option': '1', 'also_not_an_option': '2'}\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, '') | 
|  |  | 
|  |  | 
|  | 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, | 
|  | '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, | 
|  |  | 
|  | '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, | 
|  | } | 
|  | 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'), | 
|  | )) | 
|  |  | 
|  | # path config | 
|  | if MS_WINDOWS: | 
|  | PATH_CONFIG = { | 
|  | 'isolated': -1, | 
|  | 'site_import': -1, | 
|  | 'python3_dll': GET_DEFAULT_CONFIG, | 
|  | } | 
|  | else: | 
|  | PATH_CONFIG = {} | 
|  | # other keys are copied by COPY_PATH_CONFIG | 
|  |  | 
|  | COPY_PATH_CONFIG = [ | 
|  | # Copy core config to global config for expected values | 
|  | 'prefix', | 
|  | 'exec_prefix', | 
|  | 'program_name', | 
|  | 'home', | 
|  | # program_full_path and module_search_path are copied indirectly from | 
|  | # the core configuration in check_path_config(). | 
|  | ] | 
|  | if MS_WINDOWS: | 
|  | COPY_PATH_CONFIG.extend(( | 
|  | 'base_executable', | 
|  | )) | 
|  |  | 
|  | 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, | 
|  | expected_pathconfig, env, api, | 
|  | modify_path_cb=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] | 
|  |  | 
|  | path_config = configs['path_config'] | 
|  | for key, value in expected_pathconfig.items(): | 
|  | if value is self.GET_DEFAULT_CONFIG: | 
|  | expected_pathconfig[key] = path_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' | 
|  |  | 
|  | 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_path_config(self, configs, expected): | 
|  | config = configs['config'] | 
|  |  | 
|  | for key in self.COPY_PATH_CONFIG: | 
|  | expected[key] = config[key] | 
|  | expected['module_search_path'] = os.path.pathsep.join(config['module_search_paths']) | 
|  | expected['program_full_path'] = config['executable'] | 
|  |  | 
|  | self.assertEqual(configs['path_config'], expected) | 
|  |  | 
|  | def check_all_configs(self, testname, expected_config=None, | 
|  | expected_preconfig=None, expected_pathconfig=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 expected_pathconfig is None: | 
|  | expected_pathconfig = {} | 
|  | expected_pathconfig = dict(self.PATH_CONFIG, **expected_pathconfig) | 
|  |  | 
|  | 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, | 
|  | expected_pathconfig, | 
|  | env, | 
|  | api, modify_path_cb) | 
|  |  | 
|  | 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) | 
|  | self.check_path_config(configs, expected_pathconfig) | 
|  | 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, | 
|  | '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', 'cmdline_xoption', | 
|  | '-c', 'pass', | 
|  | 'arg2'], | 
|  | 'parse_argv': 2, | 
|  | 'xoptions': [ | 
|  | 'config_xoption1=3', | 
|  | 'config_xoption2=', | 
|  | 'config_xoption3', | 
|  | 'cmdline_xoption', | 
|  | ], | 
|  | '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, | 
|  | '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, | 
|  | '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) | 
|  |  | 
|  | def test_init_read_set(self): | 
|  | config = { | 
|  | 'program_name': './init_read_set', | 
|  | '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': [ | 
|  | 'config_xoption', | 
|  | 'cmdline_xoption', | 
|  | 'sysadd_xoption', | 
|  | 'faulthandler', | 
|  | ], | 
|  | 'warnoptions': [ | 
|  | 'ignore:::cmdline_warnoption', | 
|  | 'ignore:::sysadd_warnoption', | 
|  | 'ignore:::config_warnoption', | 
|  | ], | 
|  | 'orig_argv': ['python3', | 
|  | '-W', 'ignore:::cmdline_warnoption', | 
|  | '-X', 'cmdline_xoption'], | 
|  | } | 
|  | self.check_all_configs("test_init_sys_add", config, 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': '', | 
|  | } | 
|  | 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': '', | 
|  | # 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): | 
|  | # 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 MS_WINDOWS: | 
|  | # Copy pythonXY.dll (or pythonXY_d.dll) | 
|  | import fnmatch | 
|  | exedir = os.path.dirname(self.test_exe) | 
|  | for f in os.listdir(exedir): | 
|  | if fnmatch.fnmatch(f, '*.dll'): | 
|  | shutil.copyfile(os.path.join(exedir, f), os.path.join(tmpdir, f)) | 
|  |  | 
|  | # 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 | 
|  | 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, | 
|  | } | 
|  | 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, 'Windows does not use pybuilddir.txt') | 
|  | 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) | 
|  | 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[-1] = libdir | 
|  |  | 
|  | executable = self.test_exe | 
|  | config = { | 
|  | 'base_executable': executable, | 
|  | 'executable': executable, | 
|  | 'module_search_paths': module_search_paths, | 
|  | } | 
|  | 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) | 
|  |  | 
|  | 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_dynload = os.path.join(pyvenv_home, 'lib') | 
|  | os.makedirs(lib_dynload) | 
|  | # getpathp.c uses Lib\os.py as the LANDMARK | 
|  | shutil.copyfile(os.__file__, os.path.join(lib_dynload, '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: | 
|  | for index, path in enumerate(paths): | 
|  | if index == 0: | 
|  | 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 | 
|  | exec_prefix = pyvenv_home | 
|  | config = { | 
|  | 'base_exec_prefix': exec_prefix, | 
|  | 'exec_prefix': exec_prefix, | 
|  | 'base_executable': executable, | 
|  | 'executable': executable, | 
|  | 'module_search_paths': paths, | 
|  | } | 
|  | path_config = {} | 
|  | if MS_WINDOWS: | 
|  | config['base_prefix'] = pyvenv_home | 
|  | config['prefix'] = pyvenv_home | 
|  |  | 
|  | ver = sys.version_info | 
|  | dll = f'python{ver.major}' | 
|  | if debug_build(executable): | 
|  | dll += '_d' | 
|  | dll += '.DLL' | 
|  | dll = os.path.join(os.path.dirname(executable), dll) | 
|  | path_config['python3_dll'] = dll | 
|  |  | 
|  | env = self.copy_paths_by_env(config) | 
|  | self.check_all_configs("test_init_compat_config", config, | 
|  | expected_pathconfig=path_config, | 
|  | api=API_COMPAT, env=env, | 
|  | ignore_stderr=True, cwd=tmpdir) | 
|  |  | 
|  | 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 | 
|  |  | 
|  |  | 
|  | class SetConfigTests(unittest.TestCase): | 
|  | def test_set_config(self): | 
|  | # bpo-42260: Test _PyInterpreterState_SetConfig() | 
|  | cmd = [sys.executable, '-I', '-m', 'test._test_embed_set_config'] | 
|  | proc = subprocess.run(cmd, | 
|  | stdout=subprocess.PIPE, | 
|  | stderr=subprocess.PIPE) | 
|  | 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") | 
|  |  | 
|  |  | 
|  | 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() |