mirror of
https://github.com/Dvorinka/swingmusic-extended.git
synced 2026-06-04 04:23:01 +00:00
cwilvx
133 lines
3.9 KiB
Python
133 lines
3.9 KiB
Python
"""
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Contains everything that deals with image color extraction.
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"""
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from pathlib import Path
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import colorgram
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from app import settings
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from app.db.userdata import LibDataTable
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from app.logger import log
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from app.lib.errors import PopulateCancelledError
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from app.store.albums import AlbumStore
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from app.store.artists import ArtistStore
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from app.utils.progressbar import tqdm
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PROCESS_ALBUM_COLORS_KEY = ""
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PROCESS_ARTIST_COLORS_KEY = ""
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def get_image_colors(image: str, count=1) -> list[str]:
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"""Extracts n number of the most dominant colors from an image."""
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try:
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colors = sorted(colorgram.extract(image, count), key=lambda c: c.hsl.h)
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except OSError:
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return []
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formatted_colors = []
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for color in colors:
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color = f"rgb({color.rgb.r}, {color.rgb.g}, {color.rgb.b})"
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formatted_colors.append(color)
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return formatted_colors
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def process_color(item_hash: str, is_album=True):
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path = (
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settings.Paths.get_sm_thumb_path()
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if is_album
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else settings.Paths.get_sm_artist_img_path()
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)
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path = Path(path) / (item_hash + ".webp")
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if not path.exists():
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return
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return get_image_colors(str(path))
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class ProcessAlbumColors:
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"""
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Extracts the most dominant color from the album art and saves it to the database.
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"""
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def __init__(self, instance_key: str) -> None:
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global PROCESS_ALBUM_COLORS_KEY
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PROCESS_ALBUM_COLORS_KEY = instance_key
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albums = [a for a in AlbumStore.get_flat_list() if not a.color]
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for album in tqdm(albums, desc="Processing missing album colors"):
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albumhash = album.albumhash
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if PROCESS_ALBUM_COLORS_KEY != instance_key:
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raise PopulateCancelledError(
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"A newer 'ProcessAlbumColors' instance is running. Stopping this one."
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)
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albumrecord = LibDataTable.find_one(albumhash, type="album")
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if albumrecord is not None and albumrecord.color is not None:
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continue
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colors = process_color(albumhash)
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if colors is None:
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continue
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album = AlbumStore.albummap.get(albumhash)
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if album:
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album.set_color(colors[0])
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# INFO: Write to the database.
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if albumrecord is None:
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LibDataTable.insert_one(
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{"itemhash": albumhash, "color": colors[0], "itemtype": "album"}
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)
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else:
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LibDataTable.update_one(albumhash, {"color": colors[0]})
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class ProcessArtistColors:
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"""
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Extracts the most dominant color from the artist art and saves it to the database.
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"""
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def __init__(self, instance_key: str) -> None:
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all_artists = [a for a in ArtistStore.get_flat_list() if not a.color]
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global PROCESS_ARTIST_COLORS_KEY
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PROCESS_ARTIST_COLORS_KEY = instance_key
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for artist in tqdm(all_artists, desc="Processing missing artist colors"):
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artisthash = artist.artisthash
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if PROCESS_ARTIST_COLORS_KEY != instance_key:
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raise PopulateCancelledError(
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"A newer 'ProcessArtistColors' instance is running. Stopping this one."
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)
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record = LibDataTable.find_one(artisthash, "artist")
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if (record is not None) and (record.color is not None):
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continue
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colors = process_color(artisthash, is_album=False)
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if colors is None:
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continue
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artist = ArtistStore.artistmap.get(artisthash)
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if artist:
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artist.set_color(colors[0])
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# INFO: Write to the database.
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if record is None:
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LibDataTable.insert_one(
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{"itemhash": artisthash, "color": colors[0], "itemtype": "artist"}
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)
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else:
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LibDataTable.update_one(artisthash, {"color": colors[0]})
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