63 lines
2.0 KiB
Python
63 lines
2.0 KiB
Python
from __future__ import annotations
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from typing import List, Optional, Dict, Tuple, Type, Union, TypedDict
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from .collection import Collection
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from .metadata import (
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Mapping as id3Mapping,
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ID3Timestamp,
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Metadata
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)
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from ..utils.string_processing import unify, hash_url
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from .parents import OuterProxy as Base
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from ..utils.config import main_settings
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class ArtworkVariant(TypedDict):
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url: str
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width: int
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height: int
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deviation: float
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class Artwork:
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def __init__(self, *variants: List[ArtworkVariant]) -> None:
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self._variant_mapping: Dict[str, ArtworkVariant] = {}
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for variant in variants:
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self.append(**variant)
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@staticmethod
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def _calculate_deviation(*dimensions: List[int]) -> float:
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return sum(abs(d - main_settings["preferred_artwork_resolution"]) for d in dimensions) / len(dimensions)
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def append(self, url: str, width: int = main_settings["preferred_artwork_resolution"], height: int = main_settings["preferred_artwork_resolution"], **kwargs) -> None:
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if url is None:
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return
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self._variant_mapping[hash_url(url=url)] = {
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"url": url,
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"width": width,
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"height": height,
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"deviation": self._calculate_deviation(width, height),
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}
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@property
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def best_variant(self) -> ArtworkVariant:
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if len(self._variant_mapping.keys()) <= 0:
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return None
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return min(self._variant_mapping.values(), key=lambda x: x["deviation"])
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def get_variant_name(self, variant: ArtworkVariant) -> str:
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return f"artwork_{variant['width']}x{variant['height']}_{hash_url(variant['url']).replace('/', '_')}"
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def __merge__(self, other: Artwork, override: bool = False) -> None:
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for key, value in other._variant_mapping.items():
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if key not in self._variant_mapping or override:
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self._variant_mapping[key] = value
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def __eq__(self, other: Artwork) -> bool:
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return any(a == b for a, b in zip(self._variant_mapping.keys(), other._variant_mapping.keys()))
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