def build_random_routes(attempts_num, min_len):
scheme_len = len(SystemBuilder.scheme.node)
k = 0
while k < attempts_num:
first_station_number = int(random() * scheme_len) + 1
second_station_number = int(random() * scheme_len) + 1
way_len, way_list = \
nx.bidirectional_dijkstra(SystemBuilder.scheme, first_station_number, second_station_number)
if way_len >= min_len:
way_list = way_list + way_list[::-1][1:]
new_route = Route(way_list, RandomFunctions.launch_cost_func(way_list))
SystemBuilder.routes.append(new_route)
k += 1
SystemBuilder._create_routes_scheme()
def set_random_launch_costs():
for route in SystemBuilder.routes:
route.cost_of_launch = RandomFunctions.launch_cost_func(route.route_list)
