[python] dice roll implementation

import secrets  # Cryptographically secure random number generator.  Likely a bit excessive.

class dice:
	@classmethod
	def roll(cls, roll = {}, explode = {}):
		"""
		Function that creates a random number as if rolling dice.

		:param to_roll: A dictionary in the form of {sides: number of dice}
					Use 1 sided dice for constant modifier
		:param to_explode: A dictionary in the form of {sides:number of dice}
					Will add an additional die in the case of a die rolling the max die_roll.
		:return:
			The sum of the rolls of the dice
		"""
		result = 0

		for die_max, count in roll.items():
			if die_max<1:
				continue
			for _ in range(0, count):
				result += cls._roll(die_max)
		for die_max, count in explode.items():
			if die_max <= 1: # Will explode infinitely
				continue
			for _ in range(0, count):
				die_roll = die_max
				while die_roll == die_max:
					die_roll = cls._roll(die_max)
					result += die_roll
		return result

	@classmethod
	def _roll(cls, die):
		return secrets.randbelow(die)+1

if __name__ == '__main__':
	print("Rolling 6d6")
	to_roll = {6: 6}
	print("Result: %s"%(dice.roll(to_roll),))

	print("Rolling exploding 6d6")
	to_roll = {6: 6}
	print("Result: %s" % (dice.roll(explode = to_roll),))