import agentpy as ap
import math
class FirmAgent(ap.Agent):
def setup(self, code, name, type_region, revenue_log, a_lst_product):
self.firm_network = self.model.firm_network
self.product_network = self.model.product_network
self.code = code
self.name = name
self.type_region = type_region
self.revenue_log = revenue_log
self.a_lst_product = a_lst_product
self.dct_prod_capacity = dict.fromkeys(self.a_lst_product)
self.a_lst_up_product_removed = ap.AgentList(self.model, [])
self.a_lst_product_disrupted = ap.AgentList(self.model, [])
self.a_lst_product_removed = ap.AgentList(self.model, [])
self.dct_n_trial_up_product_removed = {}
self.dct_request_prod_from_firm = {}
def remove_edge_to_cus_remove_cus_up_prod(self, remove_product):
lst_out_edge = list(
self.firm_network.graph.out_edges(
self.firm_network.positions[self], keys=True, data='Product'))
for n1, n2, key, product_code in lst_out_edge:
if product_code == remove_product.code:
# remove edge
self.firm_network.graph.remove_edge(n1, n2, key)
# remove customer up product conditionally
customer = ap.AgentIter(self.model, n2).to_list()[0]
lst_in_edge = list(
self.firm_network.graph.in_edges(n2,
keys=True,
data='Product'))
lst_select_in_edge = [
edge for edge in lst_in_edge
if edge[-1] == remove_product.code
]
prod_remove = math.exp(-1 * len(lst_select_in_edge))
if self.model.nprandom.choice([True, False],
p=[prod_remove,
1 - prod_remove]):
# print(self.name, remove_product.code, 'affect',
# customer.name)
if remove_product not in \
customer.a_lst_up_product_removed:
customer.a_lst_up_product_removed.append(
remove_product)
customer.dct_n_trial_up_product_removed[
remove_product] = 0
def seek_alt_supply(self):
for product in self.a_lst_up_product_removed:
# print(f"{self.name} seek alt supply for {product.code}")
if self.dct_n_trial_up_product_removed[
product] <= self.model.int_n_max_trial:
# select a list of candidate firm that has the product
candidate_alt_supply = self.model.a_lst_total_firms.select([
product in firm.a_lst_product
and product not in firm.a_lst_product_removed
for firm in self.model.a_lst_total_firms
])
if not candidate_alt_supply:
continue
# select based on size
lst_prob = [
size / sum(candidate_alt_supply.revenue_log)
for size in candidate_alt_supply.revenue_log
]
select_alt_supply = self.model.nprandom.choice(
candidate_alt_supply, p=lst_prob)
# print(
# f"{self.name} selct alt supply for {product.code} from {select_alt_supply.name}"
# )
assert product in select_alt_supply.a_lst_product, \
f"{select_alt_supply} \
does not produce requested product {product}"
if product in select_alt_supply.dct_request_prod_from_firm.\
keys():
select_alt_supply.dct_request_prod_from_firm[
product].append(self)
else:
select_alt_supply.dct_request_prod_from_firm[product] = [
self
]
# print(
# select_alt_supply.name, 'dct_request_prod_from_firm', {
# key.code: [v.name for v in value]
# for key, value in
# select_alt_supply.dct_request_prod_from_firm.items()
# })
self.dct_n_trial_up_product_removed[product] += 1
def handle_request(self):
# print(self.name, 'handle_request')
for product, lst_firm in self.dct_request_prod_from_firm.items():
if self.dct_prod_capacity[product] > 0:
if len(lst_firm) == 0:
continue
elif len(lst_firm) == 1:
self.accept_request(lst_firm[0], product)
elif len(lst_firm) > 1:
# handling based on connection
lst_firm_connect = []
for firm in lst_firm:
out_edges = self.model.firm_network.graph.out_edges(
self.model.firm_network.positions[firm], keys=True)
in_edges = self.model.firm_network.graph.in_edges(
self.model.firm_network.positions[firm], keys=True)
lst_adj_firm = []
lst_adj_firm += [ap.AgentIter(self.model, edge[1]).to_list()[0].code for edge in out_edges]
lst_adj_firm += [ap.AgentIter(self.model, edge[0]).to_list()[0].code for edge in in_edges]
if self.code in lst_adj_firm:
lst_firm_connect.append(firm)
if len(lst_firm_connect) == 0:
# handling based on size
lst_firm_size = [firm.revenue_log for firm in lst_firm]
lst_prob = [
size / sum(lst_firm_size) for size in lst_firm_size
]
select_customer = self.model.nprandom.choice(lst_firm,
p=lst_prob)
self.accept_request(select_customer, product)
elif len(lst_firm_connect) == 1:
self.accept_request(lst_firm_connect[0], product)
elif len(lst_firm_connect) > 1:
# handling based on size of firm that has connection
lst_firm_size = [firm.revenue_log for firm in lst_firm_connect]
lst_prob = [
size / sum(lst_firm_size) for size in lst_firm_size
]
select_customer = self.model.nprandom.choice(lst_firm_connect,
p=lst_prob)
self.accept_request(select_customer, product)
def accept_request(self, down_firm, product):
lst_firm_size = [
firm.revenue_log for firm in self.model.a_lst_total_firms
if product in firm.a_lst_product
]
prod_accept = self.revenue_log / sum(lst_firm_size)
if self.model.nprandom.choice([True, False],
p=[prod_accept, 1 - prod_accept]):
self.firm_network.graph.add_edges_from([
(self.firm_network.positions[self],
self.firm_network.positions[down_firm], {
'Product': product.code
})
])
self.dct_prod_capacity[product] -= 1
self.dct_request_prod_from_firm[product].remove(down_firm)
down_firm.a_lst_up_product_removed.remove(product)
# print(
# f"{self.name} accept {product.code} request from {down_firm.name}"
# )
def clean_before_trial(self):
self.dct_request_prod_from_firm = {}
def clean_before_time_step(self):
self.dct_n_trial_up_product_removed = {}
self.a_lst_up_product_removed = ap.AgentList(self.model, [])