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cpython/Lib/test/test_embed.py

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# Run the tests in Programs/_testembed.c (tests for the CPython embedding APIs)
from test import support
import unittest
from collections import namedtuple
import json
import os
import platform
import re
import subprocess
import sys
import textwrap
MS_WINDOWS = (os.name == 'nt')
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
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 "_d" in 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):
"""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)
try:
(out, err) = p.communicate()
except:
p.terminate()
p.wait()
raise
if p.returncode != 0 and support.verbose:
print(f"--- {cmd} failed ---")
print(f"stdout:\n{out}")
print(f"stderr:\n{err}")
print(f"------")
self.assertEqual(p.returncode, 0,
"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 0 ---
# 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 1 ---
# ...
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 = 0
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):
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_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 runtine
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 = dict(os.environ, 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 before
calling PyEval_InitThreads() must not crash. PyGILState_Ensure() must
call PyEval_InitThreads() for us in this case.
"""
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, '')
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,
'show_alloc_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': [""],
'xoptions': [],
'warnoptions': [],
'pythonpath_env': None,
'home': None,
'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,
'site_import': 1,
'bytes_warning': 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,
}
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=1,
)
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
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(self, env):
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.STDOUT)
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')
try:
return json.loads(stdout)
except json.JSONDecodeError:
self.fail(f"fail to decode stdout: {stdout!r}")
def get_expected_config(self, expected_preconfig, expected, env, api,
add_path=None):
cls = self.__class__
if cls.EXPECTED_CONFIG is None:
cls.EXPECTED_CONFIG = self._get_expected_config(env)
configs = {key: dict(value)
for key, value in self.EXPECTED_CONFIG.items()}
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 expected['executable'] is self.GET_DEFAULT_CONFIG:
if sys.platform == 'win32':
expected['executable'] = self.test_exe
else:
if expected['program_name'] is not self.GET_DEFAULT_CONFIG:
expected['executable'] = os.path.abspath(expected['program_name'])
else:
expected['executable'] = os.path.join(os.getcwd(), '_testembed')
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]
prepend_path = expected['pythonpath_env']
if prepend_path is not None:
expected['module_search_paths'] = [prepend_path, *expected['module_search_paths']]
if add_path is not None:
expected['module_search_paths'] = [*expected['module_search_paths'], add_path]
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:
del pre_config[key]
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:
del config[key]
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, add_path=None, stderr=None,
*, api):
env = dict(os.environ)
# Remove PYTHON* environment variables to get deterministic environment
for key in list(env):
if key.startswith('PYTHON'):
del env[key]
if api == API_ISOLATED:
default_preconfig = self.PRE_CONFIG_ISOLATED
elif 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, add_path)
out, err = self.run_embedded_interpreter(testname, env=env)
if stderr is None and not expected_config['verbose']:
stderr = ""
if stderr is not None:
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)
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,
'show_alloc_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'],
'parse_argv': 1,
'xoptions': ['xoption1=3', 'xoption2=', 'xoption3'],
'warnoptions': ['error::ResourceWarning', 'default::BytesWarning'],
'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,
'check_hash_pycs_mode': 'always',
'pathconfig_warnings': 0,
}
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'],
}
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'],
}
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'],
'run_filename': '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,
}
config = {
'argv': ["python3", "-E", "-I",
"-X", "dev", "-X", "utf8", "script.py"],
'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',
}
self.check_all_configs("test_init_read_set", config,
api=API_PYTHON,
add_path="init_read_set_path")
def test_init_run_main(self):
code = ('import _testinternalcapi, json; '
'print(json.dumps(_testinternalcapi.get_configs()))')
config = {
'argv': ['-c', 'arg2'],
'program_name': './python3',
'run_command': code + '\n',
'parse_argv': 1,
}
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'],
'program_name': './python3',
'run_command': code + '\n',
'parse_argv': 1,
'_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': 1,
'argv': ['-c', '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'],
'program_name': './argv0',
}
self.check_all_configs("test_init_dont_parse_argv", config, pre_config,
api=API_PYTHON)
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")
if __name__ == "__main__":
unittest.main()
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