Method __new__

Lib/test/test_py_compile.py:38–50

(mcls, name, bases, dct, *, source_date_epoch)

# Run tests with SOURCE_DATE_EPOCH set or unset explicitly.
class SourceDateEpochTestMeta(type(unittest.TestCase)):
    def __new__(mcls, name, bases, dct, *, source_date_epoch):
        cls = super().__new__(mcls, name, bases, dct)

        for attr in dir(cls):
            if attr.startswith('test_'):
                meth = getattr(cls, attr)
                if source_date_epoch:
                    wrapper = with_source_date_epoch(meth)
                else:
                    wrapper = without_source_date_epoch(meth)
                setattr(cls, attr, wrapper)

        return cls


class PyCompileTestsBase: