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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def unless(exception_class_or_tuple, func, *args, **kwargs):
 """ When `exception_class_or_tuple` occurs while executing `func`, it will be caught and ``None`` will be returned. 12 None """

    @pipe_util
    @auto_string_formatter
    @data_structure_builder
    def construct_unless(function):
        # a wrapper so we can re-use the decorators
        def _unless(*args, **kwargs):
            try:
                return function(*args, **kwargs)
            except exception_class_or_tuple:
                pass
        return _unless

    name = lambda: 'unless(%s, %s)' % (exception_class_or_tuple, ', '.join(
        filter(None, (get_name(func), repr_args(*args, **kwargs)))))

    return set_name(name, construct_unless(func, *args, **kwargs))