python 转换 Javascript %u 字符串为python unicode的代码

import reimport codecspattern = re.compile('%u[0-9A-Z]{4}')n = codecs.open('d://new.txt', 'w', 'utf-8') with open('d://p', 'r') as f: for l in f:  for i in pattern.findall(l):   l = l.replace(i, unichr(int(i[2:], 16)))   n.write(l)n.close()