看起来python会将%解释为类似printf的格式字符。尝试使用%%?
"SELECt fileid FROM files WHERe description LIKE '%%%s%%' OR filename LIKE '%%%s%%' OR uploader LIKE '%%%s%%' ORDER BY fileid DESC" % (search, search, search)

看起来python会将%解释为类似printf的格式字符。尝试使用%%?
"SELECt fileid FROM files WHERe description LIKE '%%%s%%' OR filename LIKE '%%%s%%' OR uploader LIKE '%%%s%%' ORDER BY fileid DESC" % (search, search, search)