def get_hubs(city_data, routes):
"""Return a tuple containing a list of hubs and number of connections."""
connections = {}
for city in city_data.keys():
connections[city] = len(utils.find_adjacent(city, routes))
maximum = max(connections.values())
filter_max = lambda (city, connections): connections == maximum
hub_routes = filter(filter_max, connections.items())
hubs = []
for hub in hub_routes:
code = hub[0]
hubs.append((city_data[code]['name'], code)) # (name, code)
return hubs, maximum
def get_cities_by_name(name, city_data, routes):
"""Get detailed information about all airports in a city.
Return the data dictionary for every airport in the city, along with a
dictionary containing information about adjacent cities.
Keyword arguments:
name -- The name of the city.
"""
cities = utils.cities_named(name, city_data)
adjacent = {}
for city in cities:
ports = utils.find_adjacent(city['code'], routes)
adjacent[city['code']] = []
for port in ports:
adj_name = city_data[port]['name']
adj_code = city_data[port]['code']
adjacent[city['code']].append((adj_name, adj_code))
return cities, adjacent