def get_requests_from(self, csv_trips):
# List of requests
request_list = []
# Try opening csv file
with open(csv_trips) as f:
reader = csv.reader(f)
header = next(reader)
# Id customer according to number of rows
id_customer = 0
# For each data row
for row in reader:
id_customer+=1
# Revealing instant
revealing = datetime.strptime(row[0], '%Y-%m-%d %H:%M')
# Pickup latitude
pickup_x = float(row[1])
# Pickup longitude
pickup_y = float(row[2])
# Dropoff latitude
dropoff_x = float(row[3])
# Dropoff longitude
dropoff_y = float(row[4])
# Order configuration as dictionary, e.g. A=2/C=1 => {'A':2, 'C':1}
order = {o.split('=')[0]:int(o.split('=')[1]) for o in row[5].split('/')}
# Create request for data row
req = Request.factory_request_coord('SARP_PL',
'H_'+str(id_customer),
pickup_x,
pickup_y,
dropoff_x,
dropoff_y,
revealing,
100,
order)
# Append request into list of requests
request_list.append(req)
return request_list
def __init__(self):
self.nodes_dic = {}
# start and end depots
self.start_depot = Node.factory_node(
'DP', None, 5, 2, {'p1': 0, 'p2': 0, 'p3': 0, 'p4': 0, 's1': 0, 's2': 0, 's3': 0})
self.end_depot = Node.factory_node(
'DP', None, 7, 2, {'p1': 0, 'p2': 0, 'p3': 0, 'p4': 0, 's1': 0, 's2': 0, 's3': 0})
self.nodes_dic[self.start_depot.get_id()] = self.start_depot
self.nodes_dic[self.end_depot.get_id()] = self.end_depot
# self, id, pos, capacity
self.vehicle_list = [Vehicle.
factory_vehicle('SARP_PL',
'AV1',
self.start_depot,
{'p1': 4,
'p2': 4,
'p3': 4,
'p4': 4,
's1': 4,
's2': 4,
's3': 4}),
Vehicle.
factory_vehicle('SARP_PL',
'AV2',
self.start_depot,
{'p1': 4,
'p2': 4,
'p3': 4,
'p4': 4,
's1': 4,
's2': 4,
's3': 4}),
Vehicle.
factory_vehicle('SARP_PL',
'AV3',
self.start_depot,
{'p1': 4,
'p2': 4,
'p3': 4,
'p4': 4,
's1': 4,
's2': 4,
's3': 4}),
Vehicle.
factory_vehicle('SARP_PL',
'AV4',
self.start_depot,
{'p1': 4,
'p2': 4,
'p3': 4,
'p4': 4,
's1': 4,
's2': 4,
's3': 4})]
self.vehicle_dic = {v.get_id(): v for v in self.vehicle_list}
# id, origin, destination, earliest, latest, demand
self.request_list = [Request.factory_request_coord('SARP_PL', '$H_1$', 7, 5, 3.77, 0.20, 100, 100, {'p1': 1}),
Request.factory_request_coord(
'SARP_PL', '$H_2$', 9, 0.5, 7.38, 7, 100, 100, {'p2': 1}),
Request.factory_request_coord(
'SARP_PL', '$H_3$', 10, 4, 5, 4, 30, 30, {'s1': 2, 's2': 1}),
Request.factory_request_coord(
'SARP_PL', '$H_4$', 5, 5.85, 3, 3, 200, 200, {'s3': 1}),
Request.factory_request_coord('SARP_PL', '$H_5$', 2, 8, 2.00, 1.91, 400, 400, {'s1': 4})]
self.price_parcel_locker = {
'p1': 40, 'p2': 30, 'p3': 20, 'p4': 10, 's1': 10, 's2': 15, 's3': 20}
print("Demand of requests")
for r in self.request_list:
pprint.pprint(r.get_demand())
print('Parcel locker:')
pprint.pprint(self.price_parcel_locker.keys())
print("Req. list")
# Insert nodes information in dictionary
for r in self.request_list:
self.nodes_dic[r.get_origin().get_id()] = r.get_origin()
self.nodes_dic[r.get_destination().get_id()] = r.get_destination()
# The compartments not declared in the request have zero demand
for n in self.nodes_dic.keys():
for c in self.price_parcel_locker.keys():
if c not in self.nodes_dic[n].get_demand().keys():
self.nodes_dic[n].get_demand()[c] = 0
print("Demand of nodes")
for n in self.nodes_dic.keys():
print(self.nodes_dic[n].get_id())
pprint.pprint(self.nodes_dic[n].get_demand())
self.request_dic = {
r.get_origin().get_id(): r for r in self.request_list}
print("REQUEST DICTIONARY")
print(self.request_dic)
# Number of passengers picked-up or delivered:
# pk = load and dl = -load
# se (start/end) = 0
# Nodes pickup and delivery demands
self.pk_dl = {(p, c): self.nodes_dic[p].get_demand()[c]
for p in self.nodes_dic.keys()
for c in self.nodes_dic[p].get_demand().keys()}
print("Pick-up delivery dictionary:")
for d in self.pk_dl:
print(d)
duration_pk_dl = 6000
duration_service = 0
self.service_t = {key: duration_pk_dl for key in self.nodes_dic}
self.service_t[self.start_depot.get_id()] = 0
self.service_t[self.end_depot.get_id()] = 0
# Define earliest latest times to attend request
self.earliest_t = {p.get_origin().get_id(): p.get_earliest()
for p in self.request_list}
# Define earliest latest times to attend request
self.earliest_tstamp = {p.get_origin().get_id(): p.get_earliest_tstamp()
for p in self.request_list}
# Set of pick-up points (human)
self.pk_points_list = [p.get_origin().get_id()
for p in self.request_list]
# Set of drop-off points (human)
self.dl_points_list = [p.get_destination().get_id()
for p in self.request_list]
# List of pk and dp points
self.pd_nodes = []
self.pd_nodes.extend(self.pk_points_list)
self.pd_nodes.extend(self.dl_points_list)
# List of pickup/delivery tuples from requests
self.pd_tuples = [(p.get_origin().get_id(), p.get_destination(
).get_id()) for p in self.request_list]
# Dictionary of pickup/delivery tuples from requests
self.pd_pairs = {p.get_origin().get_id(): p.get_destination().get_id()
for p in self.request_list}
self.T = {k.get_id(): Dao.MAX_TRIP_SIZE for k in self.vehicle_list}
# Max load per vehicle dictionary
self.capacity_vehicles = {(k.get_id(), c): k.get_capacity()[c]
for k in self.vehicle_list
for c in k.get_capacity()}
super().__init__()
