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为各种多媒体标签格式提供统一的编辑接口

Project description

MutagenTagWrapper

本模块是 Python 模块 Mutagen 的一个包装器,为各种多媒体标签格式提供了统一的编辑接口,旨在减少批量处理多媒体标签时的时间成本和出错概率。

支持的格式

  • FLAC
  • MP3
  • APE (Monkey's Audio)
  • TTA (True Audio)
  • Ogg Vorbis
  • WAV (Wave)

如何使用

从文件中读取标签

读取 MutagenTagWrapper 支持的标签

>>> import tagwrapper
>>> tag = tagwrapper.openfile('test1.flac')
>>> type(tag)
tagwrapper.flac.FLAC
>>> tag.title
['High jump love']
>>> tag.artist
['綾倉盟', 'Syrufit']
>>> tag.album
['over']
>>> tag.description
["163 key(Don't modify):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"]
>>> tag.cover  # 读取封面信息
<Picture 'image/jpeg' (553145 bytes)>
>>> with open('test.flac.cover.jpg', 'wb') as f:  # 将封面数据写入文件
...     f.write(tag.cover.data)
...
>>>

读取 MutagenWrapper 不支持的标签

>>> import tagwrapper
>>> tag = tagwrapper.openfile('test.m4a')  # MutagenTagWrapper 目前不支持 M4A 格式使用的标签,将会返回 None
>>> tag is None
True
>>> tag = tagwrapper.openfile('test.m4a', raw_tag_fallback=True)  # 如果上层 TagWrapper 包装器不支持此格式,返回下层 Mutagen 标签对象;在此例中为 mutagen.mp4.MP4 对象
>>> type(tag)
mutagen.mp4.MP4
>>> tag.get('©nam')
['High jump love']
>>>

修改标签并写入文件

>>> import tagwrapper
>>> tag = tagwrapper.openfile('anothertest.ogg')
>>> tag.description
["163 key(Don't modify):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"]
>>> tag.description = '这是一段描述'  # 修改描述信息
>>> tag.description
['这是一段描述']
>>> tag.cover is None  # 读取封面信息,但此文件没有封面,将会为 None
True
>>> # 读取封面图像文件中的数据
>>> with open('anothertest.ogg.cover.png', 'rb') as f:
...     cover_data = f.read()
...
>>> tag.cover = cover_data  # 封面也可修改;向标签中写入封面
>>> tag.cover
<Picture 'image/png' (553145 bytes)>
>>> tag.save()  # 保存对标签的更改
>>>

在两个文件之间复制标签

>>> import tagwrapper
>>> tag1 = tagwrapper.openfile('source.mp3')
>>> tag2 = tagwrapper.openfile('target.ape')
>>> tag1
<MP3, title=['咲かせや咲かせ'], artist=['EGOIST'], album=['咲かせや咲かせ'], date=['2019'], encoder=['Lavf59.16.100']>
>>> tag1.cover
<Picture 'image/png' (466954 bytes)>
>>> tag2  # target.ape 中没有标签信息
<MonkeysAudio>
>>> tag2.cover is None
True
>>> tag2.load_tag(tag1)  # 从 tag1 复制标签信息,写入到 tag2
>>> tag2
<MonkeysAudio, encoder=['Lavf59.16.100'], title=['咲かせや咲かせ'], artist=['EGOIST'], album=['咲かせや咲かせ'], date=['2019']>
>>> tag2.cover
<Picture 'image/png' (466954 bytes)>
>>> tag2.save()  # 保存对 tag2 进行的更改
>>>

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