def download_failed_songs():
Util.check_file(Controller.FAILED_DOWNLOADED_SONGS_FILE_PATH)
with open(Controller.FAILED_DOWNLOADED_SONGS_FILE_PATH, "r") as file:
try:
failed_songs = json.load(file)
except Exception:
print("Error loading failed songs")
return
for key in failed_songs.keys():
Controller._download(failed_songs[key], key)
def redownload_playlists():
Util.check_file(Controller.DOWNLOADED_PLAYLISTS_FILE_PATH)
with open(Controller.DOWNLOADED_PLAYLISTS_FILE_PATH, "r") as file:
try:
playlists = json.load(file)
except Exception:
playlists = []
if len(playlists) is 0:
print("No playlists on file to download")
else:
Controller.download_playlists(playlists)
def _download(songs, playlist_name, playlist_url=None):
"""
Uses the downloaders to download the songs from a given playlist, and updates the tracking files
:param songs: a list of dictionaries containing song info. Dictionaries must contain 'title', 'artist', 'album',
and 'time' fields
:param playlist_name: the name of the playlist
:param playlist_url: the url of the playlist
:return: void
"""
yt_dl = YouTubeDownloader(songs, playlist_name)
results = yt_dl.download_songs(
) # TODO: later add more downloaders here
num_existing_songs = results[0]
failed_downloads = results[1]
num_failed_downloads = len(failed_downloads)
summary_info = [
len(songs), num_existing_songs, num_failed_downloads,
len(songs) - num_existing_songs - num_failed_downloads
]
Util.print_summary(summary_info, playlist_name)
if playlist_url is not None:
# add the playlist to the list of downloaded playlists
Util.check_file(Controller.DOWNLOADED_PLAYLISTS_FILE_PATH)
with open(Controller.DOWNLOADED_PLAYLISTS_FILE_PATH, "r") as file:
try:
downloaded_playlists = json.load(file)
except Exception:
downloaded_playlists = []
if playlist_url not in downloaded_playlists:
downloaded_playlists.append(playlist_url)
with open(Controller.DOWNLOADED_PLAYLISTS_FILE_PATH, "w") as file:
json.dump(downloaded_playlists, file, indent=4)
# Check if any downloaded songs were in the list of failed downloads and remove them
# also add the failed songs to the list
Util.check_file(Controller.FAILED_DOWNLOADED_SONGS_FILE_PATH)
with open(Controller.FAILED_DOWNLOADED_SONGS_FILE_PATH, "r") as file:
try:
playlist_dict = json.load(file)
except Exception:
playlist_dict = {}
downloaded_songs = [x for x in songs if x not in failed_downloads]
songs_to_remove = []
if playlist_name in playlist_dict.keys():
for song in downloaded_songs:
if song in playlist_dict[playlist_name]:
songs_to_remove.append(song)
for song in songs_to_remove:
playlist_dict[playlist_name].remove(song)
else:
playlist_dict[playlist_name] = []
for song in failed_downloads:
if song not in playlist_dict[playlist_name]:
playlist_dict[playlist_name].append(song)
with open(Controller.FAILED_DOWNLOADED_SONGS_FILE_PATH, "w") as file:
json.dump(playlist_dict, file, indent=4)