用 python 脚本+ffmpeg，把当前目录及子目录下的 wma音频文件转换为mp3 格式

用 python 脚本，结合ffmpeg软件，把当前目录及子目录下的 wma 音频文件转换为 mp3 格式

# change *.wma files to *.mp3 at current folderimport osimport subprocessdef wma2mp3(wma_path,mp3_path=None):path, name = os.path.split(wma_path)if name.split('.')[-1]!='wma':print 'not a wma file'return 0if mp3_path is None or mp3_path.split('.')[-1]!='mp3':mp3_path = os.path.join(path, name.split('.')[0] +'.mp3')error = subprocess.call(['ffmpeg','-i',wma_path,mp3_path])print wma_path,' was changed to .MP3',if error:return 0print 'NOT sucess'print 'success'#return mp3_pathif __name__ == '__main__':for d,sd,files in os.walk('.'):for f in files:wma_path = os.path.join(d,f)(prefix,sep,suffix)=wma_path.rpartition('.')if suffix !='wma':continuemp3_path = prefix+'.mp3'wma2mp3(wma_path)