188 lines
5.0 KiB
Python
188 lines
5.0 KiB
Python
import gc
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from typing import List
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import musicbrainzngs
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import logging
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import os
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from . import (
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database,
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audio_source,
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target,
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metadata
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)
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from .utils.shared import (
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MUSIC_DIR,
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NOT_A_GENRE
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)
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from .lyrics import lyrics
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"""
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At the start I modify the garbage collector to run a bit fewer times.
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This should increase speed:
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https://mkennedy.codes/posts/python-gc-settings-change-this-and-make-your-app-go-20pc-faster/
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"""
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# Clean up what might be garbage so far.
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gc.collect(2)
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allocs, gen1, gen2 = gc.get_threshold()
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allocs = 50_000 # Start the GC sequence every 50K not 700 allocations.
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gen1 = gen1 * 2
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gen2 = gen2 * 2
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gc.set_threshold(allocs, gen1, gen2)
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logging.getLogger("musicbrainzngs").setLevel(logging.WARNING)
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musicbrainzngs.set_useragent("metadata receiver", "0.1", "https://github.com/HeIIow2/music-downloader")
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# define the most important values and function for import in the __init__ file
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Song = database.Song
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MetadataSearch = metadata.MetadataSearch
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MetadataDownload = metadata.MetadataDownload
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cache = database.cache
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def fetch_metadata(type_: str, id_: str):
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metadata_downloader = MetadataDownload()
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metadata_downloader.download({'type': type_, 'id': id_})
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def fetch_metadata_from_search(search_instance: MetadataSearch):
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current_option = search_instance.current_option
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fetch_metadata(type_=current_option.type, id_=current_option.id)
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def set_targets(genre: str):
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target.set_target.UrlPath(genre=genre)
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def fetch_sources(songs: List[Song], skip_existing_files: bool = True):
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audio_source.fetch_sources(songs=songs, skip_existing_files=skip_existing_files)
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def fetch_audios(songs: List[Song], override_existing: bool = False):
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audio_source.fetch_audios(songs=songs, override_existing=override_existing)
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def get_existing_genre():
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valid_directories = []
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for elem in os.listdir(MUSIC_DIR):
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if elem not in NOT_A_GENRE:
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valid_directories.append(elem)
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return valid_directories
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def help_search_metadata():
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msg = """
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- - - Available Options - - -
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.. - Previous Options
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(query_string) - Search for songs, albums, bands...
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(int) - Select an item from the search results
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d - Start the download
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h - Help
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q - Quit / Exit
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- - - How the Query works (examples) - - -
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> #a <any artist>
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searches for the artist <any artist>
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> #a <any artist> #r <any releas>
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searches for the release (album) <any release> by the artist <any artist>
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> #r <any release> Me #t <any track>
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searches for the track <any track> from the release <any relaese>
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"""
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print(msg)
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def execute_input(_input: str, search: MetadataSearch) -> bool:
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"""
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:returns: True if it should break out of the loop else False
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"""
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query_input = _input.strip()
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_input = _input.strip().lower()
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if _input in ("d", "ok", "dl", "download"):
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return True
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if _input in ("q", "quit", "exit"):
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exit()
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if _input in ("h", "help"):
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help_search_metadata()
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return False
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if _input.isdigit():
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print()
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print(search.choose(int(_input)))
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return False
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if _input == "..":
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print()
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print(search.get_previous_options())
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return False
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print()
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print(search.search_from_query(query_input))
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def search_for_metadata():
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search = MetadataSearch()
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while True:
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_input = input("\"help\" for an overview of commands: ")
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if execute_input(_input=_input, search=search):
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break
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print(f"downloading: {search.current_option}")
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return search
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def get_genre():
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existing_genres = get_existing_genre()
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print("printing available genres:")
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for i, genre_option in enumerate(existing_genres):
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print(f"{i}: {genre_option}")
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genre = input("Input the ID for an existing genre or text for a new one: ")
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if genre.isdigit():
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genre_id = int(genre)
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if genre_id >= len(existing_genres):
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logging.warning("An invalid genre id has been given")
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return get_genre()
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return existing_genres[genre_id]
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return genre
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def cli(start_at: int = 0, only_lyrics: bool = False):
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if start_at <= 2 and not only_lyrics:
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genre = get_genre()
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logging.info(f"{genre} has been set as genre.")
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if start_at <= 0:
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search = search_for_metadata()
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logging.info("Starting Downloading of metadata")
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fetch_metadata_from_search(search)
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if start_at <= 1 and not only_lyrics:
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logging.info("creating Paths")
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set_targets(genre=genre)
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if start_at <= 2 and not only_lyrics:
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logging.info("Fetching Download Links")
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fetch_sources(cache.get_tracks_without_src())
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if start_at <= 3 and not only_lyrics:
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logging.info("starting to download the mp3's")
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fetch_audios(cache.get_tracks_to_download())
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if start_at <= 4:
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logging.info("starting to fetch the lyrics")
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lyrics.fetch_lyrics(cache.get_tracks_for_lyrics())
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def gtk_gui():
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# please maximaly a minimal gui, the fully fleshed out gui should be made externally
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# to avoid ending up with a huge monolyth
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pass
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