def _this_step(step, negate, first, last, find_pattern):
            try:
                _get_element(finder_function, first, last, find_pattern, expect_not_to_find=True)
            except ElementDoesNotExist:
                assert parsed_negator(negate)
	    else:
                assert not parsed_negator(negate)

 def _this_step(step, file_name, first, last, find_pattern):
     ele = _get_element(finder_function, first, last, find_pattern)
     try:
         ele.value = file_name
     except Exception, e:  # Zope
         logger.exception(e)
         ele._control.value = file_name

 def _this_step(step, first, last, find_pattern, text):
     ele = _get_element(finder_function, first, last, find_pattern)
     try:
         ele.value = text
     except:
         try:
             ele.type(text)
         except:
             ele._control.value = text

    def _this_step(step, first_hander, last_handler, drag_handler_pattern, first_target, last_target, drag_target_pattern):
        handler = _get_element(finder_function, first_hander, last_handler, drag_handler_pattern)
        target = _get_element(finder_function, first_target, last_target, drag_target_pattern)

        handler.drag_and_drop(target)

        def get_element(self):
            element = _get_element(finder_function, None, pattern)

            assert element is not None

            return element

 def _this_step(step, negate, first, last, find_pattern, attr_name):
     ele = _get_element(finder_function, first, last, find_pattern)
     assert_with_negate(ele[attr_name] != None, negate)