python判断是文件还是目录的注意事项

# -*- coding: utf-8 -*-import os,redef statCodeLines(path,file):    if re.match(r'.*py$',file):        lines_blank = 0        lines_comment = 0        lines_total = 0        f = open(path+'\\'+file,'r')        lines = f.readlines()        lines_total = len(lines)        for line in lines:            pattern_blank = re.compile(r'\s*$')            pattern_comment = re.compile(r'\s*#')            if pattern_blank.match(line):                lines_blank += 1            if pattern_comment.match(line):                lines_comment += 1        f.close()        print(lines_total,lines_comment,lines_blank)        return True    else:        passdef getFiles(path):    filelist = os.listdir(path)    for file in filelist:        fpath = path + '\\' + file        # 做判断时需要传入完整文件路径        if(os.path.isfile(fpath)):            statCodeLines(path,file)        if(os.path.isdir(fpath)):            getFiles(fpath)if __name__ == '__main__':    #statCodeLines('D:\\Documents\\Visual Studio 2015\\Projects\\PracticeRecord\\PracticeRecord','Random_string.py')    getFiles('D:\\Documents\\Visual Studio 2015\\Projects\\PracticeRecord\\PracticeRecord')