DarkCat09
03458db829
- resp.read returns nothing, contents are already in resp.data - add mime type safety check
47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
import mimetypes
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import subprocess
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from pathlib import Path
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import http_pool
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def download_from_yt(url: str, album_path: Path) -> None:
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'''YouTube-specific cover art downloader.
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See https://git.dc09.ru/DarkCat09/musicdlp/issues/1#issuecomment-202'''
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path = album_path / 'cover.webp'
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if path.exists():
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return
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ret = subprocess.call(
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[
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'ffmpeg',
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'-nostdin',
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'-i', url,
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'-vf', 'crop=ih:ih',
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str(album_path / 'cover.webp'),
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],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL,
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)
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if ret != 0:
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raise RuntimeError(f'FFmpeg returned {ret} exit code')
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def download(url: str, album_path: Path) -> None:
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'''General cover art downloader'''
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resp = http_pool.get().request('GET', url)
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ct = resp.headers['content-type']
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if not ct.startswith('image'):
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raise ValueError('thumbnail is not an image')
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ext = mimetypes.guess_extension(ct) or '.jpg'
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path = album_path / ('cover' + ext)
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if path.exists():
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return
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with path.open('wb') as f:
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f.write(resp.data)
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