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How to use current_tox_py method in tox

Best Python code snippet using tox_python

_pytestplugin.py

Source:_pytestplugin.py

...400        return session401    monkeypatch.setattr(tox.session, "build_session", build_session)402    return res403@pytest.fixture(scope="session")404def current_tox_py():405    """generate the current (test runners) python versions key406    e.g. py37 when running under Python 3.7"""...

test_plugin.py

Source:test_plugin.py

1import shutil2import pytest3from light_the_torch.computation_backend import CPUBackend4@pytest.fixture5def patch_extract_dists(mocker):6    def patch_extract_dists_(return_value=None):7        if return_value is None:8            return_value = []9        return mocker.patch(10            "tox_ltt.plugin.ltt.extract_dists", return_value=return_value11        )12    return patch_extract_dists_13@pytest.fixture14def patch_find_links(mocker):15    def patch_find_links_(return_value=None):16        if return_value is None:17            return_value = []18        return mocker.patch("tox_ltt.plugin.ltt.find_links", return_value=return_value)19    return patch_find_links_20@pytest.fixture21def install_mock(mocker):22    return mocker.patch("tox.venv.VirtualEnv.run_install_command")23def get_pyproject_toml():24    return """25    [build-system]26    requires = ["setuptools", "wheel"]27    build-backend = "setuptools.build_meta"28    """29def get_setup_py():30    return """31    from setuptools import setup32    setup()33    """34def get_setup_cfg(name, version, install_requires=None, extra_requires=None):35    lines = ["[metadata]", f"name = {name}", f"version = {version}"]36    if install_requires is not None:37        lines.extend(("[options]", "install_requires = "))38        lines.extend([f"\t{req}" for req in install_requires])39    if extra_requires is not None:40        lines.extend(("[options.extras_require]", "extra = "))41        lines.extend([f"\t{req}" for req in extra_requires])42    return "\n".join(lines)43def get_tox_ini(44    basepython=None,45    disable_light_the_torch=None,46    pytorch_channel=None,47    pytorch_force_cpu=None,48    force_cpu=None,49    deps=None,50    skip_install=False,51    usedevelop=False,52    extra=False,53    pep517=True,54):55    lines = ["[tox]", "envlist = py"]56    if pep517:57        lines.append("isolated_build = True")58    lines.extend(("[testenv]", "requires = ", "\ttox-ltt",))59    if basepython is not None:60        lines.append(f"basepython = {basepython}")61    if skip_install:62        lines.append("skip_install = True")63    if usedevelop:64        lines.append("usedevelop = True")65    if extra:66        lines.append("extras = extra")67    if disable_light_the_torch is not None:68        lines.append(f"disable_light_the_torch = {disable_light_the_torch}")69    if pytorch_channel is not None:70        lines.append(f"pytorch_channel = {pytorch_channel}")71    if pytorch_force_cpu is not None:72        lines.append(f"pytorch_force_cpu = {pytorch_force_cpu}")73    if force_cpu is not None:74        lines.append(f"force_cpu = {force_cpu}")75    if deps is not None:76        lines.append("deps = ")77        lines.extend([f"\t{dep}" for dep in deps])78    return "\n".join(lines)79@pytest.fixture80def tox_ltt_initproj(initproj):81    def tox_ltt_initproj_(82        name="foo",83        version="1.2.3",84        basepython=None,85        install_requires=None,86        extra_requires=None,87        disable_light_the_torch=None,88        pytorch_channel=None,89        pytorch_force_cpu=None,90        force_cpu=None,91        deps=None,92        skip_install=False,93        usedevelop=False,94        pep517=True,95    ):96        filedefs = {97            "setup.cfg": get_setup_cfg(98                name,99                version,100                install_requires=install_requires,101                extra_requires=extra_requires,102            ),103            "tox.ini": get_tox_ini(104                basepython=basepython,105                skip_install=skip_install,106                usedevelop=usedevelop,107                extra=extra_requires is not None,108                disable_light_the_torch=disable_light_the_torch,109                pytorch_channel=pytorch_channel,110                pytorch_force_cpu=pytorch_force_cpu,111                force_cpu=force_cpu,112                deps=deps,113                pep517=pep517,114            ),115        }116        if pep517:117            filedefs["pyproject.toml"] = get_pyproject_toml()118        else:119            filedefs["setup.py"] = get_setup_py()120        return initproj(121            f"{name}-{version}", filedefs=filedefs, add_missing_setup_py=False122        )123    return tox_ltt_initproj_124def test_help_ini(cmd):125    result = cmd("--help-ini")126    result.assert_success(is_run_test_env=False)127    assert "disable_light_the_torch" in result.out128    assert "pytorch_channel" in result.out129    assert "pytorch_force_cpu" in result.out130@pytest.mark.slow131def test_tox_ltt_disabled(patch_extract_dists, tox_ltt_initproj, cmd):132    mock = patch_extract_dists()133    tox_ltt_initproj(disable_light_the_torch=True)134    result = cmd()135    result.assert_success(is_run_test_env=False)136    mock.assert_not_called()137@pytest.mark.slow138def test_tox_ltt_pytorch_channel(patch_find_links, tox_ltt_initproj, cmd, install_mock):139    channel = "channel"140    mock = patch_find_links()141    tox_ltt_initproj(deps=("torch",), pytorch_channel=channel)142    result = cmd()143    result.assert_success(is_run_test_env=False)144    _, kwargs = mock.call_args145    assert kwargs["channel"] == channel146@pytest.mark.slow147def test_tox_ltt_pytorch_force_cpu(148    patch_find_links, tox_ltt_initproj, cmd, install_mock149):150    mock = patch_find_links()151    tox_ltt_initproj(deps=("torch",), pytorch_force_cpu=True)152    result = cmd()153    result.assert_success(is_run_test_env=False)154    _, kwargs = mock.call_args155    assert kwargs["computation_backends"] == CPUBackend()156@pytest.mark.slow157def test_tox_ltt_force_cpu_legacy(158    patch_find_links, tox_ltt_initproj, cmd, install_mock159):160    mock = patch_find_links()161    tox_ltt_initproj(deps=("torch",), force_cpu=True)162    result = cmd()163    result.assert_success(is_run_test_env=False)164    _, kwargs = mock.call_args165    assert kwargs["computation_backends"] == CPUBackend()166def test_tox_ltt_no_requirements(167    patch_extract_dists, tox_ltt_initproj, cmd, install_mock168):169    mock = patch_extract_dists()170    tox_ltt_initproj(skip_install=True)171    result = cmd()172    result.assert_success(is_run_test_env=False)173    mock.assert_not_called()174@pytest.mark.slow175def test_tox_ltt_no_pytorch_dists(176    patch_find_links, tox_ltt_initproj, cmd, install_mock177):178    mock = patch_find_links()179    deps = ("light-the-torch",)180    tox_ltt_initproj(deps=deps)181    result = cmd()182    result.assert_success(is_run_test_env=False)183    mock.assert_not_called()184@pytest.mark.slow185def test_tox_ltt_direct_pytorch_dists(186    patch_find_links, tox_ltt_initproj, cmd, install_mock187):188    mock = patch_find_links()189    deps = ("torch", "torchaudio", "torchtext", "torchvision")190    dists = set(deps)191    tox_ltt_initproj(deps=deps)192    result = cmd()193    result.assert_success(is_run_test_env=False)194    args, _ = mock.call_args195    assert set(args[0]) == dists196@pytest.mark.slow197def test_tox_ltt_indirect_pytorch_dists(198    patch_find_links, tox_ltt_initproj, cmd, install_mock199):200    mock = patch_find_links()201    deps = ("git+https://github.com/pmeier/pystiche@v0.5.0",)202    dists = {"torch>=1.5.0", "torchvision>=0.6.0"}203    tox_ltt_initproj(deps=deps)204    result = cmd()205    result.assert_success(is_run_test_env=False)206    args, _ = mock.call_args207    assert set(args[0]) == dists208def test_tox_ltt_project_pytorch_dists(209    subtests, patch_find_links, tox_ltt_initproj, cmd, install_mock210):211    mock = patch_find_links()212    install_requires = ("torch>=1.5.0", "torchvision>=0.6.0")213    dists = set(install_requires)214    for pep517 in (True, False):215        mock.reset()216        with subtests.test(pep517=pep517):217            tox_ltt_initproj(install_requires=install_requires, pep517=pep517)218            result = cmd()219            result.assert_success(is_run_test_env=False)220            args, _ = mock.call_args221            assert set(args[0]) == dists222def test_tox_ltt_project_extra_pytorch_dists(223    subtests, patch_find_links, tox_ltt_initproj, cmd, install_mock224):225    mock = patch_find_links()226    extra_requires = ("torch>=1.5.0", "torchvision>=0.6.0")227    dists = set(extra_requires)228    for pep517 in (True, False):229        mock.reset()230        with subtests.test(pep517=pep517):231            tox_ltt_initproj(extra_requires=extra_requires, pep517=pep517)232            result = cmd()233            result.assert_success(is_run_test_env=False)234            args, _ = mock.call_args235            assert set(args[0]) == dists236def test_tox_ltt_project_usedevelop(237    patch_find_links, tox_ltt_initproj, cmd, install_mock238):239    mock = patch_find_links()240    install_requires = ("torch>=1.5.0", "torchvision>=0.6.0")241    dists = set(install_requires)242    tox_ltt_initproj(install_requires=install_requires, usedevelop=True, pep517=False)243    result = cmd()244    result.assert_success(is_run_test_env=False)245    args, _ = mock.call_args246    assert set(args[0]) == dists247@pytest.fixture248def other_basepythons(current_tox_py):249    current_minor = int(current_tox_py[-1])250    basepythons = (f"python3.{minor}" for minor in {6, 7, 8} - {current_minor})251    return [252        basepython for basepython in basepythons if shutil.which(basepython) is not None253    ]254@pytest.mark.slow255def test_tox_ltt_other_basepython(256    subtests,257    mock_venv,258    patch_extract_dists,259    patch_find_links,260    install_mock,261    tox_ltt_initproj,262    cmd,263    other_basepythons,264):265    def canonical_to_tox(version):266        major, minor, _ = version.split(".")267        return f"python{major}.{minor}"268    deps = ["torch"]269    patch_extract_dists(return_value=deps)270    mock = patch_find_links()271    for basepython in other_basepythons:272        mock.reset()273        with subtests.test(basepython=basepython):274            tox_ltt_initproj(basepython=basepython, deps=deps)275            result = cmd()276            result.assert_success()277            _, kwargs = mock.call_args278            python_version = kwargs["python_version"]...

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