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restroom.py
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restroom.py
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#!/usr/bin/env python
# *-# -*- coding: utf-8 -*-
from random import randrange
DURATION = 9 * 60
class Restroom(object):
def __init__(self, facilities_per_restroom=3):
self.queue = []
self.facilities = [Facility() for _ in range(facilities_per_restroom)]
def enter(self, person):
for facility in self.facilities:
if not facility.occupier:
facility.occupy(person)
return
self.queue.append(person)
if person in Person.population:
Person.population.remove(person)
def tick(self):
for facility in self.facilities:
facility.tick()
class Facility(object):
def __init__(self):
self.occupier = None
self.duration = 0
def occupy(self, person):
if self.occupier:
return False
self.occupier = person
self.duration = 1
if person in Person.population:
Person.population.remove(person)
return True
def vacate(self):
Person.population.append(self.occupier)
self.occupier = None
def tick(self):
if self.occupier and self.duration > self.occupier.use_duration:
self.vacate()
self.duration = 0
elif self.occupier:
self.duration += 1
class Person(object):
population = []
def __init__(self, frequency=4, use_duration=4):
self.frequency = frequency
self.use_duration = use_duration
def is_need_to_go(self):
return randrange(DURATION) + 1 <= self.frequency
def enters(self, location):
location.enter(self)