python获取文件路径、文件名、后缀名

#########start 获取文件路径、文件名、后缀名############
def jwkj_get_filePath_fileName_fileExt(filename):
    (filepath,tempfilename) = os.path.split(filename);
    (shotname,extension) = os.path.splitext(tempfilename);
    return filepath,shotname,extension
#########end 获取文件路径、文件名、后缀名############