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# SPDX-License-Identifier: Apache-2.0
# Copyright 2016-2021 The Meson development team
import glob, os, pathlib, shutil, subprocess, unittest
from run_tests import (
Backend
)
from .allplatformstests import git_init
from .baseplatformtests import BasePlatformTests
from .helpers import *
from mesonbuild.mesonlib import MachineChoice, TemporaryDirectoryWinProof
from mesonbuild.modules.python import PythonModule
class PythonTests(BasePlatformTests):
'''
Tests that verify compilation of python extension modules
'''
def test_bad_versions(self):
if self.backend is not Backend.ninja:
raise unittest.SkipTest(f'Skipping python tests with {self.backend.name} backend')
testdir = os.path.join(self.src_root, 'test cases', 'python', '8 different python versions')
# The test is configured to error out with MESON_SKIP_TEST
# in case it could not find python
with self.assertRaises(unittest.SkipTest):
self.init(testdir, extra_args=['-Dpython=not-python'])
self.wipe()
# While dir is an external command on both Windows and Linux,
# it certainly isn't python
with self.assertRaises(unittest.SkipTest):
self.init(testdir, extra_args=['-Dpython=dir'])
self.wipe()
def test_dist(self):
with TemporaryDirectoryWinProof() as dirstr:
dirobj = pathlib.Path(dirstr)
mesonfile = dirobj / 'meson.build'
mesonfile.write_text('''project('test', 'c', version: '1')
pymod = import('python')
python = pymod.find_installation('python3', required: true)
''', encoding='utf-8')
git_init(dirstr)
self.init(dirstr)
subprocess.check_call(self.meson_command + ['dist', '-C', self.builddir], stdout=subprocess.DEVNULL)
def _test_bytecompile(self, py2=False):
testdir = os.path.join(self.src_root, 'test cases', 'python', '2 extmodule')
env = get_fake_env(testdir, self.builddir, self.prefix)
cc = detect_c_compiler(env, MachineChoice.HOST)
self.init(testdir, extra_args=['-Dpython2=auto', '-Dpython.bytecompile=1'])
self.build()
self.install()
count = 0
for root, dirs, files in os.walk(self.installdir):
for file in files:
realfile = os.path.join(root, file)
if file.endswith('.py'):
cached = glob.glob(realfile+'?') + glob.glob(os.path.join(root, '__pycache__', os.path.splitext(file)[0] + '*.pyc'))
if py2 and cc.get_id() == 'msvc':
# MSVC python installs python2/python3 into the same directory
self.assertLength(cached, 4)
else:
self.assertLength(cached, 2)
count += 1
# there are 5 files x 2 installations
if py2 and not cc.get_id() == 'msvc':
self.assertEqual(count, 10)
else:
self.assertEqual(count, 5)
def test_bytecompile_multi(self):
if not shutil.which('python2') and not PythonModule._get_win_pythonpath('python2'):
raise self.skipTest('python2 not installed')
self._test_bytecompile(True)
def test_bytecompile_single(self):
if shutil.which('python2') or PythonModule._get_win_pythonpath('python2'):
raise self.skipTest('python2 installed, already tested')
self._test_bytecompile()
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