python提取CSS文件中背景图片等属性的外部链接值

import osimport repath = "H:\public"output = ""for rt, dirs, files in os.walk(path):for f in files:if(f.find('.css')>0):output+= "\n"+f+"\n"cssf = open(path+"\\"+f)css = cssf.read()css = css.replace(" ","")lsit = re.findall(r"url\(.*?\)",css,re.I)for c in lsit:output+= c[4:-1] + "\n" cssf.close()file_object = open(path+'\\link.txt', 'w')file_object.write(output)file_object.close()