Aluode/PerceptionLabPortable

1import os2import subprocess3import sys4from urllib.error import URLError5from urllib.request import urlopen6 7import pytest8 9 10@pytest.fixture(autouse=True)11def pytest_virtualenv_works(venv):12    """13    pytest_virtualenv may not work. if it doesn't, skip these14    tests. See #1284.15    """16    venv_prefix = venv.run(["python", "-c", "import sys; print(sys.prefix)"]).strip()17    if venv_prefix == sys.prefix:18        pytest.skip("virtualenv is broken (see pypa/setuptools#1284)")19 20 21def test_clean_env_install(venv_without_setuptools, setuptools_wheel):22    """23    Check setuptools can be installed in a clean environment.24    """25    cmd = ["python", "-m", "pip", "install", str(setuptools_wheel)]26    venv_without_setuptools.run(cmd)27 28 29def access_pypi():30    # Detect if tests are being run without connectivity31    if not os.environ.get('NETWORK_REQUIRED', False):  # pragma: nocover32        try:33            urlopen('https://pypi.org', timeout=1)34        except URLError:35            # No network, disable most of these tests36            return False37 38    return True39 40 41@pytest.mark.skipif(42    'platform.python_implementation() == "PyPy"',43    reason="https://github.com/pypa/setuptools/pull/2865#issuecomment-965834995",44)45@pytest.mark.skipif(not access_pypi(), reason="no network")46# ^-- Even when it is not necessary to install a different version of `pip`47#     the build process will still try to download `wheel`, see #3147 and #2986.48@pytest.mark.parametrize(49    'pip_version',50    [51        None,52        pytest.param(53            'pip<20.1',54            marks=pytest.mark.xfail(55                'sys.version_info >= (3, 12)',56                reason="pip 23.1.2 required for Python 3.12 and later",57            ),58        ),59        pytest.param(60            'pip<21',61            marks=pytest.mark.xfail(62                'sys.version_info >= (3, 12)',63                reason="pip 23.1.2 required for Python 3.12 and later",64            ),65        ),66        pytest.param(67            'pip<22',68            marks=pytest.mark.xfail(69                'sys.version_info >= (3, 12)',70                reason="pip 23.1.2 required for Python 3.12 and later",71            ),72        ),73        pytest.param(74            'pip<23',75            marks=pytest.mark.xfail(76                'sys.version_info >= (3, 12)',77                reason="pip 23.1.2 required for Python 3.12 and later",78            ),79        ),80        pytest.param(81            'https://github.com/pypa/pip/archive/main.zip',82            marks=pytest.mark.xfail(reason='#2975'),83        ),84    ],85)86def test_pip_upgrade_from_source(87    pip_version, venv_without_setuptools, setuptools_wheel, setuptools_sdist88):89    """90    Check pip can upgrade setuptools from source.91    """92    # Install pip/wheel, in a venv without setuptools (as it93    # should not be needed for bootstrapping from source)94    venv = venv_without_setuptools95    venv.run(["pip", "install", "-U", "wheel"])96    if pip_version is not None:97        venv.run(["python", "-m", "pip", "install", "-U", pip_version, "--retries=1"])98    with pytest.raises(subprocess.CalledProcessError):99        # Meta-test to make sure setuptools is not installed100        venv.run(["python", "-c", "import setuptools"])101 102    # Then install from wheel.103    venv.run(["pip", "install", str(setuptools_wheel)])104    # And finally try to upgrade from source.105    venv.run(["pip", "install", "--no-cache-dir", "--upgrade", str(setuptools_sdist)])106 107 108def test_no_missing_dependencies(bare_venv, request):109    """110    Quick and dirty test to ensure all external dependencies are vendored.111    """112    setuptools_dir = request.config.rootdir113    bare_venv.run(['python', 'setup.py', '--help'], cwd=setuptools_dir)114