8000 gh-95299: Rework test_cppext.py to not invoke setup.py directly by pradyunsg · Pull Request #103316 · python/cpython · GitHub
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gh-95299: Rework test_cppext.py to not invoke setup.py directly #103316

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Merged
merged 7 commits into from
Apr 13, 2023
Merged

gh-95299: Rework test_cppext.py to not invoke setup.py directly #103316

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41c5a66
gh-95299: Rework test_cppext.py to not invoke setup.py directly
pradyunsg Apr 6, 2023
635492e
Add tests/cppextdata data to `TESTSUBDIRS`
pradyunsg Apr 6, 2023
63d691c
Revert "Add tests/cppextdata data to `TESTSUBDIRS`"
pradyunsg Apr 6, 2023
d79d6a6
Revert "gh-95299: Rework test_cppext.py to not invoke setup.py directly"
pradyunsg Apr 6, 2023
7c40f3c
Build and install the extension in a temporary directory instead
pradyunsg Apr 6, 2023
f6c4024
Merge branch 'main' into test-cppext
pradyunsg Apr 6, 2023
dd16041
Pull in wheels for setuptools and wheel for testing extension builds
pradyunsg Apr 7, 2023
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Revert "gh-95299: Rework test_cppext.py to not invoke setup.py directly" 
This reverts commit 41c5a66.
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@pradyunsg
pradyunsg committed Apr 6, 2023
commit d79d6a662dfad022c9ce035fe8af2d65c8e23d07
11 changes: 8 additions & 3 deletions Lib/test/cppextdata/setup.py → Lib/test/setup_testcppext.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
# gh-91321: Build a basic C++ test extension to check that the Python C API is
# compatible with C++ and does not emit C++ compiler warnings.
import os
import sys
from test import support

Expand All @@ -26,8 +25,14 @@

def main():
cppflags = list(CPPFLAGS)
std = os.environ["CPYTHON_TEST_CPP_STD"]
name = os.environ["CPYTHON_TEST_EXT_NAME"]
if '-std=c++03' in sys.argv:
sys.argv.remove('-std=c++03')
std = 'c++03'
name = '_testcpp03ext'
else:
# Python currently targets C++11
std = 'c++11'
name = '_testcpp11ext'

cppflags = [*CPPFLAGS, f'-std={std}']

Expand Down
26 changes: 12 additions & 14 deletions Lib/test/test_cppext.py
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Original file line number Diff line number Diff line change
@@ -1,10 +1,6 @@
# gh-91321: Build a basic C++ test extension to check that the Python C API is
# compatible with C++ and does not emit C++ compiler warnings.
import os.path
try:
import ssl
except ImportError:
ssl = None
import sys
import unittest
import subprocess
Expand All @@ -15,7 +11,8 @@

MS_WINDOWS = (sys.platform == 'win32')

PKG_CPPEXTDATA = os.path.join(os.path.dirname(__file__), "cppextdata")

SETUP_TESTCPPEXT = support.findfile('setup_testcppext.py')


@support.requires_subprocess()
Expand All @@ -34,8 +31,6 @@ def test_buil 8000 d_cpp03(self):
@unittest.skipIf(
'-fsanitize' in (sysconfig.get_config_var('PY_CFLAGS') or ''),
'test does not work with analyzing builds')
# the test uses pip which needs a TLS connection to PyPI
@unittest.skipIf(ssl is None, 'No ssl module')
# the test uses venv+pip: skip if it's not available
@support.requires_venv_with_pip()
def check_build(self, std_cpp03, extension_name):
Expand Down Expand Up @@ -64,15 +59,11 @@ def _check_build(self, std_cpp03, extension_name):
python = os.path.join(venv_dir, 'bin', python_exe)

def run_cmd(operation, cmd):
env = os.environ.copy()
env['CPYTHON_TEST_CPP_STD'] = 'c++03' if std_cpp03 else 'c++11'
env['CPYTHON_TEST_EXT_NAME'] = extension_name
if verbose:
print('Run:', ' '.join(cmd))
subprocess.run(cmd, check=True, env=env)
subprocess.run(cmd, check=True)
else:
proc = subprocess.run(cmd,
env=env,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True)
Expand All @@ -81,9 +72,16 @@ def run_cmd(operation, cmd):
self.fail(
f"{operation} failed with exit code {proc.returncode}")

# Build and install the C++ extension
# Build the C++ extension
cmd = [python, '-X', 'dev',
SETUP_TESTCPPEXT, 'build_ext', '--verbose']
if std_cpp03:
cmd.append('-std=c++03')
run_cmd('Build', cmd)

# Install the C++ extension
cmd = [python, '-X', 'dev',
'-m', 'pip', 'install', PKG_CPPEXTDATA]
SETUP_TESTCPPEXT, 'install']
run_cmd('Install', cmd)

# Do a reference run. Until we test that running python
Expand Down
0