class GetFileHandler(tornado.web.RequestHandler):
    def get(self):

        fileid = self.get_argument('fileid', "")

        cur.execute("""SELECT filepath FROM files_table WHERE file_id = %s""", (fileid, ))
        m = cur.fetchall()
        y = m[0]
        x = y[0]

        path = x + "/" + fileid + ".jpg"

        try:
            with open(path, 'rb') as f:
                data = f.read()
                self.write(data)
            self.finish()
if __name__ == "__main__":
    tornado.options.parse_command_line()
    app = tornado.web.Application(handlers=[(r"/getit", GetFileHandler)])
    http_server = tornado.httpserver.HTTPServer(app)
    http_server.listen(options.port)
    tornado.ioloop.IOLoop.instance().start()

try:
    with open(path, 'rb') as f:
        data = f.read()
        self.write(data)
    self.finish()
except IOError:
    print "Failed!!"

except IOError as xcpt:
    # IO error handling
    raise xcpt  # if you want to propagate the exception