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pythonを使ってyoutubeをダウンロードする

Last updated at Posted at 2022-11-05

検証動画

ライブラリのインストール

pip install yt-dlp

コーディング

from yt_dlp import YoutubeDL

ydl_opts = {'format': 'best'}
with YoutubeDL(ydl_opts) as ydl:
    ydl.download(['https://www.youtube.com/watch?v=47Jl-_0wQHM&t=1s'])

実行結果

[youtube] 47Jl-_0wQHM: Downloading webpage
[youtube] 47Jl-_0wQHM: Downloading android player API JSON
[info] 47Jl-_0wQHM: Downloading 1 format(s): 22
[download] Destination: Pythonを用いて自動で新垣結衣の画像を収集してみた [47Jl-_0wQHM].mp4
[download] 100% of   11.41MiB in 00:00:01 at 6.54MiB/s
0

mp4でダウンロードできましたね。
音声だけ抽出する場合は、フォーマットで「bestaudio」を選択することでできます。

実行結果

[youtube] 47Jl-_0wQHM: Downloading webpage
[youtube] 47Jl-_0wQHM: Downloading android player API JSON
[info] 47Jl-_0wQHM: Downloading 1 format(s): 258
[download] Destination: Pythonを用いて自動で新垣結衣の画像を収集してみた [47Jl-_0wQHM].m4a
[download] 100% of    9.69MiB in 00:00:04 at 2.13MiB/s
WARNING: 47Jl-_0wQHM: writing DASH m4a. Only some players support this container. Install ffmpeg to fix this automatically
0

m4a形式の音声ファイルをダウンロードできていることが確認できましたね。

Github

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