advent/2016/10-1.py

# Python!
import collections

class robot:
	def __init__(self, instructions):
		words = instructions.split()
		self.number = words[1]
		self.chips = []
		self.recipients = {
			'low': words[5:7],
			'high': words[10:]
		}

	def give(self, value, recipient):
		recip_type, recip_num = recipient
		if recip_type == 'output':
			outputs[recip_num].append(value)
		else:
			bots[recip_num].take(value)

	def take(self, value):
		self.chips.append(value)
		if len(self.chips) > 1:
			xqueue.append(self)

	def execute(self):
		if len(self.chips) > 2: 
			print('Error, bot', self.number, 'has chips', self.chips)
		elif len(self.chips) == 2:
			low, high = min(self.chips), max(self.chips)

			if low == 17 and high == 61:
				print('responsible bot is bot', self.number)
				print('17 goes to', self.recipients['low'])
				print('61 goes to', self.recipients['high'])

			del self.chips[:]
			self.give(low, self.recipients['low'])
			self.give(high, self.recipients['high'])


with open('10.txt') as file:
	instructions = file.read().splitlines()

get_instructions = []
bot_definitions = []
xqueue = []
bots = {}
outputs = collections.defaultdict(list)

for inst in instructions:
	if inst[0] == 'v':
		get_instructions.append(inst)
	else:
		bot_definitions.append(inst)

for definition in bot_definitions:
	b = robot(definition)
	bots[b.number] = b

for i in get_instructions:
	words = i.split()
	bot_num = words[5]
	value = int(words[1])
	bots[bot_num].chips.append(value)

bots['97'].execute()

while xqueue:
	current_bot = xqueue.pop(0)
	current_bot.execute()