修改mp3的id3 tag内容

概述修改mp3的id3 tag内容

下面是内存溢出 jb51.cc 通过网络收集整理的代码片段。

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#! /usr/bin/env python# enCoding: utf8import sysimport osimport binasciiimport Jsondef getID3Info(fp):    ID3Tags = []    frameIDs = ['AENC','APIC','COMM','Comr','ENCR','ETC0','GEOB','GRID','IPLS','MCDI','MLLT','OWNE','PRIV','PCNT','POPM','POSS','RBUF','RVAD','RVRB','SYLT','SYTC','TALB','TBPM','TCOM','TCON','Tcop','TDAT','TDLY','TENC','TEXT','TFLT','TIME','TIT1','TIT2','TIT3','TKEY','TLAN','TLEN','TMED','TOAL','TOFN','TolY','topE','TORY','TOWM','TPE1','TPE2','TPE3','TPE4','TPOS','TPUB','TRCK','TRDA','TRSN','TRSO','TSIZ','TSRC','TSSE','TYER','TXXX','UFID','USER','USLT','WCOM','Wcop','WOAF','WOAR','WOAS','WORS','WPAY','WPUB','WXXX']    fp.read(10)    while True:        ID3Info = {}        tag = fp.read(4)        if tag not in frameIDs:            break        sizePos = fp.tell()        binSize = fp.read(4)        size = int(binascii.b2a_hex(binSize),16)        fp.read(2)        conPos = fp.tell()        cont = fp.read(size)        ID3Info['sizePos'] = sizePos        ID3Info['size'] = size        ID3Info['tag'] = tag        ID3Info['conPos'] = conPos        ID3Info['con'] = cont        ID3Tags.append(ID3Info)    return ID3Tagsdef getCon(ID3Info,tag):    for info in ID3Info:        if tag == info['tag']:            return info['con']def getConPos(ID3Info,tag):    for info in ID3Info:        if tag == info['tag']:            return info['conPos']def getConSize(ID3Info,tag):    for info in ID3Info:        if tag == info['tag']:            return info['size']def getConSizePos(ID3Info,tag):    for info in ID3Info:        if tag == info['tag']:            return info['sizePos']def writeInfo(path,tag,newCon):    fp = open(path,'rb')    ID3Info = getID3Info(fp)    fp.seek(0)    oldCon = getCon(ID3Info,tag)    size = getConSize(ID3Info,tag)    sizePos = getConSizePos(ID3Info,tag)    tmpSize = str(len(newCon) + 1)    while(len(tmpSize) < 8):        tmpSize = '0' + tmpSize    newSize = binascii.a2b_hex(tmpSize)    split = binascii.a2b_hex('0000')    newCon = binascii.a2b_hex('00') + newCon    pre = fp.read(sizePos)    fp.seek(getConPos(ID3Info,tag) + size)    last = fp.read()    newfile = pre + newSize + split + newCon + last    p,n = os.path.split(path)    b,l = os.path.splitext(n)    newPath = os.path.join(p,b + "_" + newCon.strip('\x00') + l)    newFp = open(newPath,'wb')    newFp.write(newfile)    newFp.close()    fp.close()    return newPathif __name__ == '__main__':    if len(sys.argv) < 3:        print "用法: getGenre.py 新的genre mp3文件"        exit()    newCon = sys.argv[1]    abspath = os.path.abspath(sys.argv[2])    ret = writeInfo(abspath,"TCON",newCon)    print ret + " OK"

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