windows 下读取文件名称和类型

    def getFileWithType(self,xname):

        #     xname='E:\\python\\recievedir\\data.pkl'

        #     xname='E:\python\test.jpg'

        xname=repr(xname)

        FileWithType=""

        try:

            if xname.index(r'\\')>0 :

                xname=xname.replace(r'\\', '\\')

                x=xname.rfind('\\')

#                 print(x,xname[x+1:])

                retFileWithType=xname[x+1:]

        except  (ValueError) as e:

                xname=xname.replace('\\', r"\\")

                x=xname.rfind(r'\\')

#                 print(x,xname[x+2:])

                retFileWithType=xname[x+2:]

        retFileWithType = retFileWithType.replace("\'",'')

        return  retFileWithType