pythoncapi-compat/tests/test_pythoncapi_compat.py at debug · python/pythoncapi-compat · GitHub

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#!/usr/bin/python3

"""

Run the test suite.

Usage::

python3 run_tests.py

python3 run_tests.py -v # verbose mode

"""

import faulthandler

import gc

import os.path

import shutil

import subprocess

import sys

import sysconfig

# test.utils

from utils import run_command, command_stdout

# Windows uses MSVC compiler

MSVC = (os.name == "nt")

# C++ is only supported on Python 3.6 and newer

TEST_CXX = (sys.version_info >= (3, 6))

if not MSVC:

C_TESTS = [

("test_pythoncapi_compat_cext_c99", "C99"),

("test_pythoncapi_compat_cext_c11", "C11"),

]

CXX_TESTS = [

("test_pythoncapi_compat_cpp03ext", "C++03"),

("test_pythoncapi_compat_cpp11ext", "C++11"),

("test_pythoncapi_compat_cpp14ext", "C++14"),

("test_pythoncapi_compat_cpp17ext", "C++17"),

("test_pythoncapi_compat_cpp20ext", "C++20"),

]

else:

C_TESTS = [

("test_pythoncapi_compat_cext_c11", "C11"),

]

CXX_TESTS = [

("test_pythoncapi_compat_cppext", "C++"),

("test_pythoncapi_compat_cpp14ext", "C++14"),

]

VERBOSE = False

def display_title(title):

if not VERBOSE:

return

title = "%s: %s" % (python_version(), title)

print(title)

print("=" * len(title))

print()

sys.stdout.flush()

def build_ext():

display_title("Build test extensions")

if os.path.exists("build"):

shutil.rmtree("build")

cmd = [sys.executable, "setup.py", "build"]

if VERBOSE:

run_command(cmd)

print()

else:

exitcode, stdout = command_stdout(cmd, stderr=subprocess.STDOUT)

if exitcode:

print(stdout.rstrip())

sys.exit(exitcode)

def import_tests(module_name):

pythonpath = None

for name in os.listdir("build"):

if name.startswith('lib.'):

pythonpath = os.path.join("build", name)

if not pythonpath:

raise Exception("Failed to find the build directory")

old_sys_path = list(sys.path)

try:

sys.path.append(pythonpath)

return __import__(module_name)

finally:

sys.path[:] = old_sys_path

def _run_tests(tests, verbose):

for name, test_func in tests:

if verbose:

print("%s()" % name)

sys.stdout.flush()

test_func()

_HAS_CLEAR_INTERNAL_CACHES = hasattr(sys, '_clear_internal_caches')

_HAS_CLEAR_TYPE_CACHE = hasattr(sys, '_clear_type_cache')

def _refleak_cleanup():

if _HAS_CLEAR_INTERNAL_CACHES:

sys._clear_internal_caches()

elif _HAS_CLEAR_TYPE_CACHE:

sys._clear_type_cache()

gc.collect()

def _check_refleak(test_func, verbose):

nrun = 6

for i in range(1, nrun + 1):

if verbose:

if i > 1:

print()

print("Run %s/%s:" % (i, nrun))

sys.stdout.flush()

init_refcnt = sys.gettotalrefcount()

test_func()

_refleak_cleanup()

diff = sys.gettotalrefcount() - init_refcnt

if i > 3 and diff:

raise AssertionError("refcnt leak, diff: %s" % diff)

def python_version():

ver = sys.version_info

build = 'debug' if hasattr(sys, 'gettotalrefcount') else 'release'

if hasattr(sys, 'implementation'):

python_impl = sys.implementation.name

if python_impl == 'cpython':

python_impl = 'CPython'

elif python_impl == 'pypy':

python_impl = 'PyPy'

else:

if "PyPy" in sys.version:

python_impl = "PyPy"

else:

python_impl = 'Python'

pyver = "%s.%s" % (ver.major, ver.minor)

if ver >= (3, 13):

if sysconfig.get_config_var('Py_GIL_DISABLED'):

# Free-threaded build

pyver += "t"

return "%s %s (%s build)" % (python_impl, pyver, build)

def run_tests(module_name, lang):

if VERBOSE:

print("")

title = "Test %s (%s)" % (module_name, lang)

display_title(title)

testmod = import_tests(module_name)

if VERBOSE:

empty_line = False

for attr in ('__cplusplus', 'PY_VERSION', 'PY_VERSION_HEX',

'PYPY_VERSION', 'PYPY_VERSION_NUM'):

try:

value = getattr(testmod, attr)

except AttributeError:

pass

else:

if attr in ("PY_VERSION_HEX", "PYPY_VERSION_NUM"):

value = "0x%x" % value

print("%s: %s" % (attr, value))

empty_line = True

if empty_line:

print()

check_refleak = hasattr(sys, 'gettotalrefcount')

tests = [(name, getattr(testmod, name))

for name in dir(testmod)

if name.startswith("test")]

def test_func():

_run_tests(tests, VERBOSE)

if check_refleak:

_check_refleak(test_func, VERBOSE)

else:

test_func()

if VERBOSE:

print()

msg = "%s %s tests succeeded!" % (len(tests), lang)

msg = "%s: %s" % (python_version(), msg)

if check_refleak:

msg = "%s (no reference leak detected)" % msg

print(msg)

def main():

global VERBOSE

VERBOSE = ("-v" in sys.argv[1:] or "--verbose" in sys.argv[1:])

if (3, 13) <= sys.version_info <= (3, 13, 0, 'alpha', 4):

print("SKIP Python 3.13 alpha 1..4: not supported!")

return

if faulthandler is not None:

faulthandler.enable()

src_dir = os.path.dirname(__file__)

if src_dir:

os.chdir(src_dir)

build_ext()

tests = list(C_TESTS)

if TEST_CXX:

tests += CXX_TESTS

for module_name, lang in tests:

run_tests(module_name, lang)

if __name__ == "__main__":

main()

pythoncapi-compat/tests/test_pythoncapi_compat.py at debug · python/pythoncapi-compat · GitHub

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