def play_song(self,song_number,note_string):
"""
Creates and plays a new song based off a string of notes and durations.
note_string - a string of notes,durations
for example: 'G5,16,G3,16,A#4,30'
"""
#splits the string of notes and durations into two lists
split_list= note_string.split(',')
note_list = split_list[0::2]
duration_list = split_list[1::2]
#creates a list for serial codes
play_list = []
#convert the durations to integers
duration_list = map(int, duration_list)
noError = True
if noError:
#Need to map midi to numbers from the dict.
for i in range (0,len(note_list)):
#Check that the note is in the list, if it is, add it.
if note_list[i] in self.config.data['midi table']:
play_list.append(self.config.data['midi table'][note_list[i]])
play_list.append(duration_list[i])
else:
# Note was not available. Play a rest
# Raise an error so the software knows that the input was bad
play_list.append(self.config.data['midi table']['rest'])
play_list.append(duration_list[i])
warnings.formatwarning = custom_format_warning
warnings.warn("Warning: Note '" + note_string + "' was not found in midi table")
#play the song
self.create_song(song_number,play_list)
self.play(song_number)
else:
raise _ROIFailedToSendError("Invalid data, failed to send")
评论列表
文章目录
