问题

我正在使用pytube库成功从YouTube下载音频内容。然而，当尝试使用mutagen库将缩略图添加到已下载的MP3文件时，文件变得无法播放。在添加缩略图之前，音频部分仍然正常工作，但在添加缩略图后，文件似乎已损坏或无法访问。我也尝试过eyed3，但结果相同。

以下是您提供的代码部分：

from os import rename
from os.path import exists, expanduser, splitext
from pytube import YouTube, Search
from requests import get
from mutagen.mp3 import MP3
from mutagen.id3 import ID3, APIC

yt = YouTube(link)
print(f'Downloading...')
audio_stream = yt.streams.filter(only_audio=True).first()
download_file = audio_stream.download(output_path=download_path)
base, _ = splitext(download_file)
out_file = base + '.mp3'
rename(download_file, out_file)

thumbnail = get(yt.thumbnail_url).content
audio = MP3(out_file, ID3=ID3)

if audio.tags is None:
    audio.add_tags()

audio.tags.add(
    APIC(
        encoding=3,
        mime='image/jpeg',
        type=3,
        desc=u'Cover',
        data=thumbnail
    )
)
audio.save()

希望这对您有所帮助。

from os import rename
from os.path import exists, expanduser, splitext
from pytube import YouTube, Search
from requests import get
from mutagen.mp3 import MP3
from mutagen.id3 import ID3, APIC

yt = YouTube(link)
print(f'Downloading...')
audio_stream = yt.streams.filter(only_audio=True).first()
download_file = audio_stream.download(output_path=download_path)
base, _ = splitext(download_file)
out_file = base + '.mp3'
rename(download_file, out_file)

thumbnail = get(yt.thumbnail_url).content
audio = MP3(out_file, ID3=ID3)

if audio.tags is None:
    audio.add_tags()
    
audio.tags.add(
    APIC(
        encoding=3,
        mime='image/jpeg',
        type=3,
        desc=u'Cover',
        data=thumbnail
    )
)
audio.save()

答案1

得分: 0

需要将文件转换为`mp3`格式，而不仅仅是更改文件扩展名。您可以使用[pydub](http://pydub.com)库进行转换。还请确保已安装[ffmpeg](http://www.ffmpeg.org)。

```python
import os
import pydub
import pytube
import requests
from mutagen.mp3 import MP3
from mutagen.id3 import ID3, APIC

yt = pytube.YouTube(link)
download_file = yt.streams.filter(only_audio=True).first().download(output_path=download_path)
out_file = os.path.splitext(download_file)[0] + '.mp3'
pydub.AudioSegment.from_file(download_file).export(out_file, format='mp3')
audio = MP3(out_file, ID3=ID3)
if not audio.tags:
    audio.add_tags()
audio.tags.add(APIC(encoding=3, mime='image/jpeg', type=3, desc=u'Cover', data=requests.get(yt.thumbnail_url).content))
audio.save()
os.remove(download_file)

<details>
<summary>英文:</summary>

You need to convert file to `mp3` format, not just rename file extension. You can use [pydub](http://pydub.com) lib for converting. Also make sure you have [ffmpeg](http://www.ffmpeg.org) installed.

    import os
    import pydub
    import pytube
    import requests
    from mutagen.mp3 import MP3
    from mutagen.id3 import ID3, APIC
    
    yt = pytube.YouTube(link)
    download_file = yt.streams.filter(only_audio=True).first().download(output_path=download_path)
    out_file = os.path.splitext(download_file)[0] + &#39;.mp3&#39;
    pydub.AudioSegment.from_file(download_file).export(out_file, format=&#39;mp3&#39;)
    audio = MP3(out_file, ID3=ID3)
    if not audio.tags:
        audio.add_tags()
    audio.tags.add(APIC(encoding=3, mime=&#39;image/jpeg&#39;, type=3, desc=u&#39;Cover&#39;, data=requests.get(yt.thumbnail_url).content))
    audio.save()
    os.remove(download_file)

</details>