def _parse(self, data):
lines = data.split("\n")
line = lines.pop(0)
while line != 'parameters':
print "not parameter " + line
line = lines.pop(0)
# Reading parameters
while len(lines) > 0 and line != 'instruments':
if len(line) > 0 and line[0] != '#':
line_array = line.split(' ')
if line_array[0] == 'speed':
self.speed = int(line_array[1])
elif line_array[0] == 'measure_resolution':
self.measure_resolution = int(line_array[1])
elif line_array[0] == 'beats_per_measure':
self.beats_per_measure = int(line_array[1])
line = lines.pop(0)
self._update_sleep_interval()
# Reading instruments
line = lines.pop(0)
while len(lines) > 0 and line != 'rhythm':
if len(line) > 0 and line[0] != '#':
instrument = instruments.parse(line.split(' '), self.sample_rate, self.buffer_size)
self.add_instrument(instrument)
line = lines.pop(0)
# Reading Rhythm pattern
line = lines.pop(0)
while len(lines) > 0 and line != 'gains':
if len(line) > 0 and line[0] != '#':
line = line.split('|')[-1]
instr_str = line.split(':')[0].split()
instrument_id = int(instr_str[0])
instrument_tone = int(instr_str[1])
rhythm = line.split(':')[1].split()[0:self.measure_resolution]
rhythm = [int(c) for c in rhythm]
track = Track(instrument_id, instrument_tone, rhythm, rhythm, '')
self.add_track(track)
line = lines.pop(0)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='MSP homework 9')
parser.add_argument('score', type=str)
parser.add_argument('-i', '--instrument', type=str, default=DEFAULT_INSTRUMENT)
parser.add_argument('-s', '--speed', type=int, default=DEFAULT_SPEED)
namespace = parser.parse_args()
dac = DAC(bufferSize=2 ** 10, rate=44100)
dac.start()
try:
sequencer = Sequencer(buffer_size=dac.bufferSize, sample_rate=dac.getSamplerate(), speed=namespace.speed)
dac.connect(sequencer.callback)
instrument = instruments.parse(namespace.instrument.split(),
buffer_size=dac.bufferSize,
sample_rate=dac.getSamplerate())
sequencer.add_instrument(instrument)
file = open(namespace.score, 'r')
score_string = file.read()
file.close()
score = Sequencer.parse_mono_score(score_string)
sequencer.play(score=score)
finally:
dac.stop()