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How to use prepend_shebang_interpreter method in tox

Best Python code snippet using tox_python

test_venv.py

Source:test_venv.py

...836    testfile = tmpdir.join("check_shebang_empty_instance.py")837    base_args = [str(testfile), "arg1", "arg2", "arg3"]838    # empty instance839    testfile.write("")840    args = prepend_shebang_interpreter(base_args)841    assert args == base_args842@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")843def test_tox_testenv_interpret_shebang_empty_interpreter(tmpdir):844    testfile = tmpdir.join("check_shebang_empty_interpreter.py")845    base_args = [str(testfile), "arg1", "arg2", "arg3"]846    # empty interpreter847    testfile.write("#!")848    args = prepend_shebang_interpreter(base_args)849    assert args == base_args850@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")851def test_tox_testenv_interpret_shebang_empty_interpreter_ws(tmpdir):852    testfile = tmpdir.join("check_shebang_empty_interpreter_ws.py")853    base_args = [str(testfile), "arg1", "arg2", "arg3"]854    # empty interpreter (whitespaces)855    testfile.write("#!    \n")856    args = prepend_shebang_interpreter(base_args)857    assert args == base_args858@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")859def test_tox_testenv_interpret_shebang_non_utf8(tmpdir):860    testfile = tmpdir.join("check_non_utf8.py")861    base_args = [str(testfile), "arg1", "arg2", "arg3"]862    testfile.write_binary(b"#!\x9a\xef\x12\xaf\n")863    args = prepend_shebang_interpreter(base_args)864    assert args == base_args865@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")866def test_tox_testenv_interpret_shebang_interpreter_simple(tmpdir):867    testfile = tmpdir.join("check_shebang_interpreter_simple.py")868    base_args = [str(testfile), "arg1", "arg2", "arg3"]869    # interpreter (simple)870    testfile.write("#!interpreter")871    args = prepend_shebang_interpreter(base_args)872    assert args == ["interpreter"] + base_args873@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")874def test_tox_testenv_interpret_shebang_interpreter_ws(tmpdir):875    testfile = tmpdir.join("check_shebang_interpreter_ws.py")876    base_args = [str(testfile), "arg1", "arg2", "arg3"]877    # interpreter (whitespaces)878    testfile.write("#!  interpreter  \n\n")879    args = prepend_shebang_interpreter(base_args)880    assert args == ["interpreter"] + base_args881@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")882def test_tox_testenv_interpret_shebang_interpreter_arg(tmpdir):883    testfile = tmpdir.join("check_shebang_interpreter_arg.py")884    base_args = [str(testfile), "arg1", "arg2", "arg3"]885    # interpreter with argument886    testfile.write("#!interpreter argx\n")887    args = prepend_shebang_interpreter(base_args)888    assert args == ["interpreter", "argx"] + base_args889@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")890def test_tox_testenv_interpret_shebang_interpreter_args(tmpdir):891    testfile = tmpdir.join("check_shebang_interpreter_args.py")892    base_args = [str(testfile), "arg1", "arg2", "arg3"]893    # interpreter with argument (ensure single argument)894    testfile.write("#!interpreter argx argx-part2\n")895    args = prepend_shebang_interpreter(base_args)896    assert args == ["interpreter", "argx argx-part2"] + base_args897@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")898def test_tox_testenv_interpret_shebang_real(tmpdir):899    testfile = tmpdir.join("check_shebang_real.py")900    base_args = [str(testfile), "arg1", "arg2", "arg3"]901    # interpreter (real example)902    testfile.write("#!/usr/bin/env python\n")903    args = prepend_shebang_interpreter(base_args)904    assert args == ["/usr/bin/env", "python"] + base_args905@pytest.mark.skipif("sys.platform == 'win32'", reason="no shebang on Windows")906def test_tox_testenv_interpret_shebang_long_example(tmpdir):907    testfile = tmpdir.join("check_shebang_long_example.py")908    base_args = [str(testfile), "arg1", "arg2", "arg3"]909    # interpreter (long example)910    testfile.write(911        "#!this-is-an-example-of-a-very-long-interpret-directive-what-should-"912        "be-directly-invoked-when-tox-needs-to-invoked-the-provided-script-"913        "name-in-the-argument-list"914    )915    args = prepend_shebang_interpreter(base_args)916    expected = [917        "this-is-an-example-of-a-very-long-interpret-directive-what-should-be-"918        "directly-invoked-when-tox-needs-to-invoked-the-provided-script-name-"919        "in-the-argument-list"920    ]921    assert args == expected + base_args922@pytest.mark.parametrize("download", [True, False, None])923def test_create_download(mocksession, newconfig, download):924    config = newconfig(925        [],926        """\927        [testenv:env]928        {}929        """.format(...

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