0CC-Famitracker MML Python

mml.py

HEX = ['0x', '$']
LOOP = '|'
RELEASE = '/'
class MML:
	def __init__(self, string):
		self.arr = []
		self.loop = None
		self.release = None

		a = string.split()
		for word in a:
			word0 = word
			if word == LOOP:
				self.loop = len(self.arr)
				continue
			elif word == RELEASE:
				self.release = len(self.arr)
				continue

			base = 10
			for hex in HEX:
				if word.startswith(hex):
					base = 16
					word = word[len(hex):]

			try:
				self.arr.append(int(word, base))
			except ValueError:
				print('warning invalid word', word0)

	def __str__(self):
		out = []
		for i, el in enumerate(self.arr):
			if i == self.loop:
				out.append(LOOP)
			if i == self.release:
				out.append(RELEASE)
			out.append(str(el))
		return ' '.join(out)


m = MML('-3 -1 1 1 4 9 18 26 36 24 9 0 -1 -1 | 1 0 8 18 26 31 33 34 34 34 31 21 9 -4 -14 -21 -21 -21 -19 -19 -18 -18 -14 -8 ')
m.arr = [-x for x in m.arr]
print(m)