<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def request(self, req_and_resp, opt=None, headers=None):
 """ preprocess before performing a request, usually some patching. authorization also applied here. :param req_and_resp: tuple of Request and Response :type req_and_resp: (Request, Response) :param opt: customized options :type opt: dict :param headers: customized headers :type headers: dict of 'string', or list of tuple: (string, string) for multiple values for one key :return: patched request and response :rtype: Request, Response """

        req, resp = req_and_resp

        # dump info for debugging
        logger.info('request.url: {0}'.format(req.url))
        logger.info('request.header: {0}'.format(req.header))
        logger.info('request.query: {0}'.format(req.query))
        logger.info('request.file: {0}'.format(req.files))
        logger.info('request.schemes: {0}'.format(req.schemes))

        # apply authorizations
        if self.__security:
            self.__security(req)

        return req, resp