def update_inventory(self, time, item):
item = dict(item)
category = item["category"]
amount = item["size"]
sim = self.item_sims[category]
sim.record_purchase(time, amount)
def get_inventory_amounts(self, time):
amounts = {}
for category, sim in self.item_sims.iteritems():
remaining_amount = sim.get_remaining_amount(time)
amounts[category] = remaining_amount
return amounts
def __repr__(self):
return "(%s, %s dogs, %s cats)" % (self.customer.name,
self.customer.pets["dog"],
self.customer.pets["cat"])
if __name__ == "__main__":
from products import load_products_json
from customers import CustomerGenerator
item_categories = load_products_json()
customer = CustomerGenerator().generate(1)[0]
customer_sim = CustomerState(item_categories=item_categories,
customer=customer)
def load_data(self):
self.item_categories = products.load_products_json()
self.zipcode_objs = load_zipcode_data()
self.first_names, self.last_names = load_names()
def propose_transaction_time(self):
lambd = 1.0 / self.average_transaction_trigger_time
time_until_transaction = random.expovariate(lambd)
transaction_time = max(self.exhaustion_time() - time_until_transaction, 0.0)
return transaction_time
def choose_item_for_purchase(self):
return self.purchase_model.progress_state()
if __name__ == "__main__":
sim = ItemCategoryUsageSimulation(initial_amount=30.0, initial_time=0.0, daily_usage_rate=1.0,
amount_used_average=0.5, amount_used_variance=0.2)
sim.simulate()
for time, amount in sim.trajectory:
print time, amount
from products import load_products_json
from customers import CustomerGenerator
item_categories = load_products_json()
customer = CustomerGenerator().generate(1)[0]
print
for item_category in item_categories.itervalues():
sim = ExhaustibleItemCategorySimulation(item_category=item_category, customer=customer)
for i in xrange(10):
print sim.choose_item_for_purchase()