def save_library(self):
try:
if self.current_library_filename:
ml.save_library(self.library, self.current_library_filename)
else:
self.save_library_as()
except Exception as e:
print(traceback.print_exc())
messagebox.showerror('Create Library Error', e)
def save_library_as(self):
try:
library_filename = filedialog.asksaveasfilename(initialdir=os.getcwd(),
title='Save music library',
filetypes=(('json', '*.json'),),
defaultextension='.json')
if library_filename:
ml.save_library(self.library, library_filename)
self.current_library_filename = library_filename
except Exception as e:
print(traceback.print_exc())
messagebox.showerror('Create Library Error', e)
def write_song_list_to_file_json(self):
if not self.library:
return
try:
song_list_file_name = filedialog.asksaveasfilename(initialdir=os.getcwd(),
title='Library Song List',
filetypes=(('Text File', '*.txt'),),
defaultextension='.txt')
if song_list_file_name:
ml.write_song_list_json(self.library, song_list_file_name)
except Exception as e:
print(traceback.print_exc())
messagebox.showerror('Write song list error.', e)
def refresh_weight_labels(self):
relative_frequencies = ml.calculate_relative_frequency(self.library, SONGS_IN_PLAYLIST)
for priority, weight_label in enumerate(list(zip(*self.weight_modifier_widgets))[1]):
num_songs_in_priority = ml.get_number_of_songs_for_priority(self.library, priority)
priority_playlist_frequency = float(num_songs_in_priority / relative_frequencies[priority]) \
if relative_frequencies[priority] != '--' else 0.0
if relative_frequencies[priority] == '--':
weight_label_text = f'Priority: {priority}'
else:
weight_label_format = 'Priority: {}, {} Songs in priority. Each song will' +\
' appear in 1 out of every {:.2f} playlists ({:.2f} out of {} for a single playlist)'
weight_label_text = weight_label_format.format(priority,
num_songs_in_priority,
float(relative_frequencies[priority]),
priority_playlist_frequency,
SONGS_IN_PLAYLIST)
weight_label.configure(text=weight_label_text)
def create_library_from_directory(self):
try:
library_directory = filedialog.askdirectory()
if library_directory:
self.library = ml.create_library(library_directory)
self.current_library_filename = None
self.current_category = None
self.refresh_category_om()
self.refresh_song_lb(None)
self.load_weights()
except Exception as e:
print(traceback.print_exc())
messagebox.showerror('Create Library Error', e)
def load_library(self, library_filename: typing.Optional[str] = None):
try:
if not library_filename:
library_filename = filedialog.askopenfilename(initialdir=os.getcwd(), title="Select Music Library",
filetypes=(("json", "*.json"),))
if library_filename:
self.library = ml.load_library(library_filename)
self.current_library_filename = library_filename
self.current_category = None
self.refresh_category_om()
self.refresh_song_lb(None)
self.load_weights()
except Exception as e:
print(traceback.print_exc())
messagebox.showerror('Open Library Error', e)
def update_library_keep_repeats(self):
if not self.library:
return
try:
library_directory = filedialog.askdirectory()
if library_directory:
self.library = ml.get_updated_library_keep_repeats(self.library, library_directory)
self.current_category = None
self.refresh_category_om()
self.refresh_song_lb(None)
self.load_weights()
except Exception as e:
print(traceback.print_exc())
messagebox.showerror('Create Library Error', e)
def library(self, path):
MusicLibrary.load(path)
def library(self, path):
MusicLibrary.load(path)
def selectedSongs(self):
return MusicLibrary.displayCount()
def sameGenre(self):
MusicLibrary.findArtist(MusicLibrary.looking.genre)
def sameAlbum(self):
MusicLibrary.findAlbum(MusicLibrary.looking.album)
def sameArtist(self):
MusicLibrary.findArtist(MusicLibrary.looking.artist)
def reset_repeat_data(self):
if self.library:
ml.reset_repeat_data(self.library)
def select(self, i):
MusicLibrary.select(MusicLibrary.library[i-1])
def sameAlbum(self):
MusicLibrary.findAlbum(MusicLibrary.looking.album)
def reset_repeat_data_special(self):
if self.library:
ml.reset_repeats_special(self.library)
def sameGenre(self):
MusicLibrary.findArtist(MusicLibrary.looking.genre)
def query(self):
return MusicLibrary.displayContents()
def sameArtist(self):
MusicLibrary.findArtist(MusicLibrary.looking.artist)
def query(self):
return MusicLibrary.displayContents()
def sameYear(self):
MusicLibrary.findArtist(MusicLibrary.looking.year)
def sameYear(self):
MusicLibrary.findArtist(MusicLibrary.looking.year)
def showAll(self):
MusicLibrary.findAll()
def selectedSongs(self):
return MusicLibrary.displayCount()
def select(self, i):
MusicLibrary.select(MusicLibrary.library[i - 1])
def showAll(self):
MusicLibrary.findAll()
