def prefilter_line(self, line, continue_prompt=False):
<EOL>self.shell._last_input_line = line<EOL>if not line:<EOL><INDENT>return '<STR_LIT>'<EOL><DEDENT>if not continue_prompt or (continue_prompt and self.multi_line_specials):<EOL><INDENT>line = self.transform_line(line, continue_prompt)<EOL><DEDENT>line_info = LineInfo(line, continue_prompt)<EOL>stripped = line.strip()<EOL>normal_handler = self.get_handler_by_name('<STR_LIT>')<EOL>if not stripped:<EOL><INDENT>if not continue_prompt:<EOL><INDENT>self.shell.displayhook.prompt_count -= <NUM_LIT:1><EOL><DEDENT>return normal_handler.handle(line_info)<EOL><DEDENT>if continue_prompt and not self.multi_line_specials:<EOL><INDENT>return normal_handler.handle(line_info)<EOL><DEDENT>prefiltered = self.prefilter_line_info(line_info)<EOL>return prefiltered<EOL>
Prefilter a single input line as text.

        This method prefilters a single line of text by calling the
        transformers and then the checkers/handlers.