import mutagen
import mutagen.mp3
import mutagen.id3
import os
"""
filename 文件路径
source_charset 字符编码
dry_run  是否只是查看
"""
def fix_file(filename, source_charset, dry_run):
print("Opening file: {}".format(filename))
try:
m = mutagen.mp3.Open(filename)
except mutagen.mp3.HeaderNotFoundError as e:
print("Error opening file {}: {}".format(filename, e))
return
t = m.tags
if t is None:
    print("File {} does not contain ID3 tags.".format(filename))
    return

t.update_to_v24()
for k, v in t.items():
    #        print(k)
    if isinstance(v, mutagen.id3.TextFrame) and not isinstance(v, mutagen.id3.TimeStampTextFrame):
        print(v)
        enc = v.encoding
        old_ts = "".join(v.text)
        print(v.encoding)
        if v.encoding == mutagen.id3.Encoding.LATIN1:
            bs = old_ts.encode("latin1")
            ts = bs.decode('GBK', errors="ignore")
            v.encoding = mutagen.id3.Encoding.UTF16
            v.text = [ts]
            fixed = True
        else:
            ts = old_ts
            fixed = False
        print("  {} Was {}: {} {}".format("*" if fixed else " ", enc, k, ts))
if dry_run:
    print("Dry run. File not saved!")
else:
    t.save(filename)
    print("File {} saved".format(filename))
if name == 'main':
歌曲文件路径
music_path = '/Volumes/新加卷'
for a in os.listdir(music_path):
    p = music_path + "/" + a
    print("---------" + p + "------------")

    if os.path.isdir(p):
        continue
    else:
        sp = os.path.splitext(a)[1]
        if sp == '.mp3':
            fix_file(p, 'GBK', False)