import simpleaudio as sa

from itertools import chain, repeat

from math import pi, sin

import struct

F = 44100

S1 = '59J,57j,,59J,54j,,50J,54j,,47J,,,'

S2 = '59J,61j,,62J,61j,,62j,,59j,,61J,59j,,61j,,57j,,59J,57j,,59j,,55j,,59J,,,'

sin_f = lambda frame_no, hz: sin(frame_no * 2 * pi * hz / F)

get_wave = lambda hz, seconds: (sin_f(i, hz) for i in range(int(seconds * F)))

get_pause = lambda seconds: repeat(0, int(seconds * F))

get_hz = lambda note: round(16.352 * 2 ** (int(note[:2])/12))

parse_n = lambda note: (get_hz(note), 0.25 if note[2] == 'J' else 0.125)

get_note = lambda note: get_wave(*parse_n(note)) if note else get_pause(0.125)

notes_seq = f'{S1}{S1}{S2}{S1}{S1}{S2}'

samples_f = chain.from_iterable(get_note(n) for n in notes_seq.split(','))

samples_b = b''.join(struct.pack('<h', int(a * 30000)) for a in samples_f)

sa.play_buffer(samples_b, 1, 2, F)