def access(self, resp, req, environ, request_time):

        if not self.cfg.accesslog and not self.cfg.logconfig:
            return

        # wrap atoms:
        # - make sure atoms will be test case insensitively
        # - if atom doesn't exist replace it by '-'
        safe_atoms = self.atoms_wrapper_class(self.atoms(resp, req, environ,
            request_time))

        try:
            self.access_log.info(self.cfg.access_log_format % safe_atoms)
        except:
            self.error(traceback.format_exc())
See http://httpd.apache.org/docs/2.0/logs.html#combined
dataset/ETHPy150Open chalasr/Flask-P2P/venv/lib/python2.7/site-packages/gunicorn/glogging.py/Logger.access