Lars Noack
788103a68e
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134 lines
4.5 KiB
Python
134 lines
4.5 KiB
Python
import mutagen
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from mutagen.id3 import ID3, Frame, APIC, USLT
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from pathlib import Path
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from typing import List
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import logging
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from PIL import Image
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from ..utils.config import logging_settings, main_settings
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from ..objects import Song, Target, Metadata
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from ..objects.metadata import Mapping
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from ..connection import Connection
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LOGGER = logging_settings["tagging_logger"]
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artwork_connection: Connection = Connection()
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class AudioMetadata:
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def __init__(self, file_location: str = None) -> None:
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self._file_location = None
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self.frames: ID3 = ID3()
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if file_location is not None:
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self.file_location = file_location
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def add_metadata(self, metadata: Metadata):
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for value in metadata:
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"""
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https://www.programcreek.com/python/example/84797/mutagen.id3.ID3
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"""
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if value is None:
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continue
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self.frames.add(value)
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def add_song_metadata(self, song: Song):
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self.add_metadata(song.metadata)
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def save(self, file_location: Path = None):
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LOGGER.debug(f"saving following frames: {self.frames.pprint()}")
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if file_location is not None:
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self.file_location = file_location
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if self.file_location is None:
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raise Exception("no file target provided to save the data to")
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self.frames.save(self.file_location, v2_version=4)
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def set_file_location(self, file_location: Path):
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# try loading the data from the given file. if it doesn't succeed the frame remains empty
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try:
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self.frames.load(file_location, v2_version=4)
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LOGGER.debug(f"loaded following from \"{file_location}\"\n{self.frames.pprint()}")
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except mutagen.MutagenError:
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LOGGER.warning(f"couldn't find any metadata at: \"{self.file_location}\"")
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self._file_location = file_location
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file_location = property(fget=lambda self: self._file_location, fset=set_file_location)
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def write_metadata_to_target(metadata: Metadata, target: Target, song: Song):
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if not target.exists:
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LOGGER.warning(f"file {target.file_path} not found")
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return
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id3_object = AudioMetadata(file_location=target.file_path)
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LOGGER.info(str(metadata))
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if song.artwork.best_variant is not None:
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best_variant = song.artwork.best_variant
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r = artwork_connection.get(
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url=best_variant["url"],
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name=song.artwork.get_variant_name(best_variant),
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)
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temp_target: Target = Target.temp()
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with temp_target.open("wb") as f:
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f.write(r.content)
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converted_target: Target = Target.temp(name=f"{song.title.replace('/', '_')}")
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with Image.open(temp_target.file_path) as img:
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# crop the image if it isn't square in the middle with minimum data loss
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width, height = img.size
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if width != height:
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if width > height:
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img = img.crop((width // 2 - height // 2, 0, width // 2 + height // 2, height))
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else:
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img = img.crop((0, height // 2 - width // 2, width, height // 2 + width // 2))
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# resize the image to the preferred resolution
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img.thumbnail((main_settings["preferred_artwork_resolution"], main_settings["preferred_artwork_resolution"]))
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img.save(converted_target.file_path, "JPEG")
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# https://stackoverflow.com/questions/70228440/mutagen-how-can-i-correctly-embed-album-art-into-mp3-file-so-that-i-can-see-t
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id3_object.frames.delall("APIC")
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id3_object.frames.add(
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APIC(
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encoding=0,
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mime="image/jpeg",
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type=3,
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desc=u"Cover",
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data=converted_target.read_bytes(),
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)
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)
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id3_object.frames.delall("USLT")
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uslt_val = metadata.get_id3_value(Mapping.UNSYNCED_LYRICS)
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id3_object.frames.add(
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USLT(encoding=3, lang=u'eng', desc=u'desc', text=uslt_val)
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)
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id3_object.add_metadata(metadata)
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id3_object.save()
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def write_metadata(song: Song, ignore_file_not_found: bool = True):
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target: Target
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for target in song.target:
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if not target.exists:
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if ignore_file_not_found:
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continue
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else:
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raise ValueError(f"{song.target.file} not found")
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write_metadata_to_target(metadata=song.metadata, target=target, song=song)
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def write_many_metadata(song_list: List[Song]):
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for song in song_list:
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write_metadata(song=song, ignore_file_not_found=True)
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