breaking down run user playlist task
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@ -1,6 +1,7 @@
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import datetime
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import logging
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import random
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from typing import List
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import spotframework.util.monthstrings as monthstrings
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from spotframework.model.uri import Uri
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@ -24,6 +25,27 @@ from music.notif.notifier import notify_user_playlist_update
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logger = logging.getLogger(__name__)
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def get_user_and_name(user):
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if isinstance(user, str):
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username = user
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user = User.collection.filter('username', '==', username.strip().lower()).get()
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return user, username
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else:
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return user, user.username
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def get_playlist_and_name(playlist, user: User):
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if isinstance(playlist, str):
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playlist_name = playlist
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playlist = user.get_playlist(playlist_name)
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return playlist, playlist_name
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else:
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return playlist, playlist.name
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def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = None, fmnet: Network = None) -> None:
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"""Generate and upadate a user's smart playlist
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@ -46,22 +68,13 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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# PRE-RUN CHECKS
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if isinstance(user, str):
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username = user
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user = User.collection.filter('username', '==', username.strip().lower()).get()
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else:
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username = user.username
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user, username = get_user_and_name(user)
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if user is None:
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logger.error(f'user {username} not found')
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raise NameError(f'User {username} not found')
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if isinstance(playlist, str):
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playlist_name = playlist
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playlist = user.get_playlist(playlist_name)
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else:
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playlist_name = playlist.name
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playlist, playlist_name = get_playlist_and_name(playlist, user)
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if playlist.uri is None:
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logger.critical(f'no playlist id to populate {username} / {playlist_name}')
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@ -78,18 +91,36 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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logger.error(f'no spotify network returned for {username} / {playlist_name}')
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raise NameError(f'No Spotify network returned ({username} / {playlist_name})')
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try:
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if not playlist.include_spotify_owned:
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user_playlists = {i.name: i.uri for i in spotnet.playlists() if 'spotify' not in i.owner.display_name.lower()}
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else:
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user_playlists = {i.name: i.uri for i in spotnet.playlists()}
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except SpotifyNetworkException as e:
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logger.exception(f'error occured while retrieving playlists {username} / {playlist_name}')
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raise e
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part_generator = PartGenerator(user=user)
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part_names = part_generator.get_recursive_parts(playlist.name)
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playlist_tracks = load_playlist_tracks(spotnet, playlist, part_names, username)
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playlist_tracks = do_playlist_type_processing(spotnet, playlist, user, playlist_tracks)
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playlist_tracks = sort_tracks(playlist, playlist_tracks)
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playlist_tracks += get_recommendations(spotnet, playlist, username, playlist_tracks)
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playlist_tracks = deduplicate_by_name(playlist_tracks)
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execute_playlist(spotnet, playlist, part_names, username, playlist_tracks)
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playlist.last_updated = datetime.datetime.utcnow()
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playlist.update()
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notify_user_playlist_update(user=user, playlist=playlist)
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def load_user_playlists(spotnet: SpotNetwork, playlist: Playlist, username: str):
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try:
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if not playlist.include_spotify_owned:
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return {i.name: i.uri
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for i in spotnet.playlists()
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if 'spotify' not in i.owner.display_name.lower()}
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else:
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return {i.name: i.uri
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for i in spotnet.playlists()}
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except SpotifyNetworkException as e:
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logger.exception(f'error occured while retrieving playlists {username} / {playlist.name}')
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raise e
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def load_playlist_tracks(spotnet: SpotNetwork, playlist: Playlist, part_names: List[str], username: str):
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playlist_tracks = []
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if playlist.add_last_month:
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@ -97,6 +128,8 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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if playlist.add_this_month:
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part_names.append(monthstrings.get_this_month())
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user_playlists = load_user_playlists(spotnet, playlist, username)
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# LOAD PLAYLIST TRACKS
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for part_name in part_names:
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try: # attempt to cast to uri
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@ -106,7 +139,7 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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except ValueError: # is a playlist name
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uri = user_playlists.get(part_name)
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if uri is None:
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logger.warning(f'playlist {part_name} not found {username} / {playlist_name}')
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logger.warning(f'playlist {part_name} not found {username} / {playlist.name}')
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continue
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log_name = part_name
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@ -116,40 +149,54 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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if _tracks and len(_tracks) > 0:
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playlist_tracks += _tracks
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else:
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logger.warning(f'no tracks returned for {log_name} {username} / {playlist_name}')
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logger.warning(f'no tracks returned for {log_name} {username} / {playlist.name}')
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except SpotifyNetworkException:
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logger.exception(f'error occured while retrieving {log_name} {username} / {playlist_name}')
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logger.exception(f'error occured while retrieving {log_name} {username} / {playlist.name}')
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playlist_tracks = list(remove_local(playlist_tracks))
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# LIBRARY
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playlist_tracks += load_library_tracks(spotnet, playlist, username)
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return playlist_tracks
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def load_library_tracks(spotnet: SpotNetwork, playlist: Playlist, username: str):
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tracks = []
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if playlist.include_library_tracks:
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try:
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library_tracks = spotnet.saved_tracks()
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if library_tracks and len(library_tracks) > 0:
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playlist_tracks += library_tracks
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tracks += library_tracks
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else:
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logger.error(f'error getting library tracks {username} / {playlist_name}')
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logger.error(f'error getting library tracks {username} / {playlist.name}')
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except SpotifyNetworkException:
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logger.exception(f'error occured while retrieving library tracks {username} / {playlist_name}')
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logger.exception(f'error occured while retrieving library tracks {username} / {playlist.name}')
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# PLAYLIST TYPE SPECIFIC
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return tracks
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def do_playlist_type_processing(spotnet: SpotNetwork, playlist: Playlist, user: User, current_tracks: List):
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if playlist.type == 'recents':
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return do_recents_processing(playlist, current_tracks)
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elif playlist.type == 'fmchart':
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return do_lastfm_chart_processing(spotnet, playlist, user, current_tracks)
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return current_tracks
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def do_recents_processing(playlist: Playlist, current_tracks: List):
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boundary_date = datetime.datetime.now(datetime.timezone.utc) - \
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datetime.timedelta(days=int(playlist.day_boundary))
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playlist_tracks = list(added_after(playlist_tracks, boundary_date))
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elif playlist.type == 'fmchart':
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return list(added_after(current_tracks, boundary_date))
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def do_lastfm_chart_processing(spotnet: SpotNetwork, playlist: Playlist, user: User, current_tracks: List):
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if user.lastfm_username is None:
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logger.error(f'no associated last.fm username, chart source skipped {username} / {playlist_name}')
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logger.error(f'no associated last.fm username, chart source skipped {user.username} / {playlist.name}')
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else:
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chart_range = Network.Range.MONTH
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try:
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chart_range = Network.Range[playlist.chart_range]
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except KeyError:
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logger.error(f'invalid last.fm chart range found {playlist.chart_range}, '
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f'defaulting to 1 month {username} / {playlist_name}')
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f'defaulting to 1 month {user.username} / {playlist.name}')
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if fmnet is None:
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fmnet = database.get_authed_lastfm_network(user)
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if fmnet is not None:
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@ -159,42 +206,48 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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limit=playlist.chart_limit)
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if chart_tracks is not None and len(chart_tracks) > 0:
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playlist_tracks += chart_tracks
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current_tracks += chart_tracks
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else:
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logger.error(f'no tracks returned {username} / {playlist_name}')
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logger.error(f'no tracks returned {user.username} / {playlist.name}')
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else:
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logger.error(f'no last.fm network returned {username} / {playlist_name}')
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logger.error(f'no last.fm network returned {user.username} / {playlist.name}')
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# SORT METHOD
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return current_tracks
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def sort_tracks(playlist: Playlist, current_tracks: List):
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if playlist.shuffle:
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random.shuffle(playlist_tracks)
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random.shuffle(current_tracks)
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return current_tracks
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elif playlist.type != 'fmchart':
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playlist_tracks = sort_by_release_date(tracks=playlist_tracks, reverse=True)
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return sort_by_release_date(tracks=current_tracks, reverse=True)
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return current_tracks
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def get_recommendations(spotnet: SpotNetwork, playlist: Playlist, username: str, current_tracks: List):
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recommendations = []
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# RECOMMENDATIONS
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if playlist.include_recommendations:
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try:
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recommendations = spotnet.recommendations(tracks=[i.uri.object_id for i, j
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in get_track_objects(
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random.sample(playlist_tracks,
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k=min(5, len(playlist_tracks))
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random.sample(current_tracks,
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k=min(5, len(current_tracks))
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)
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)
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if i.uri.object_type == Uri.ObjectType.track],
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response_limit=playlist.recommendation_sample)
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if recommendations and len(recommendations.tracks) > 0:
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playlist_tracks += recommendations.tracks
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recommendations = recommendations.tracks
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else:
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logger.error(f'error getting recommendations {username} / {playlist_name}')
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logger.error(f'error getting recommendations {username} / {playlist.name}')
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except SpotifyNetworkException:
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logger.exception(f'error occured while generating recommendations {username} / {playlist_name}')
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logger.exception(f'error occured while generating recommendations {username} / {playlist.name}')
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# DEDUPLICATE
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playlist_tracks = deduplicate_by_name(playlist_tracks)
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return recommendations
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# EXECUTE
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def execute_playlist(spotnet: SpotNetwork, playlist: Playlist, part_names, username: str, current_tracks: List):
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try:
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spotnet.replace_playlist_tracks(uri=playlist.uri, uris=[i.uri for i, j in get_track_objects(playlist_tracks)])
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spotnet.replace_playlist_tracks(uri=playlist.uri, uris=[i.uri for i, j in get_track_objects(current_tracks)])
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if playlist.description_overwrite:
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string = playlist.description_overwrite
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@ -205,18 +258,13 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
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string += f' - {str(playlist.description_suffix)}'
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if string is None or len(string) == 0:
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logger.error(f'no string generated {username} / {playlist_name}')
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logger.error(f'no string generated {username} / {playlist.name}')
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return None
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try:
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spotnet.change_playlist_details(uri=playlist.uri, description=string)
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except SpotifyNetworkException:
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logger.exception(f'error changing description for {username} / {playlist_name}')
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logger.exception(f'error changing description for {username} / {playlist.name}')
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except SpotifyNetworkException:
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logger.exception(f'error executing {username} / {playlist_name}')
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playlist.last_updated = datetime.datetime.utcnow()
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playlist.update()
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notify_user_playlist_update(user=user, playlist=playlist)
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logger.exception(f'error executing {username} / {playlist.name}')
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