def test_longest_flight(self):
"""
Tests the longest_flight function in the Graph class
:return: true if all tests pass
"""
graph = Graph()
graph.add_from_json('../Data/map_data.json')
longest = graph.longest_flight()
self.assertEqual(longest[2], 12051)
self.assertTrue(longest[0] in ("SYD", "LAX"))
self.assertTrue(longest[1] in ("SYD", "LAX"))
self.assertIsNot(longest, 0)
pass
class Console(Cmd):
def __init__(self):
"""
Constructor for the Console class
"""
Cmd.__init__(self)
self.prompt = "=>> "
self.intro = "Welcome to CSAir!\nInput a command or type help for more"
self.graph = Graph()
self.graph.add_from_json('../Data/map_data.json')
self.graph.add_from_json('../Data/cmi_hub.json')
def do_all_cities(self, args):
"""
Grabs a list of all the cities this airline can fly to and its code
:param args: nothing, leave blank. Type all_cities
:return: all the cities this airline can fly to with its name and code
"""
for key, val in self.graph.vertices.items():
print("City: {}, code: {}".format(val.name, val.code))
def do_city(self, args):
"""
Grabs city information by its argument i.e. city SCL
:param args: code, name, country, continent, timezone, coordinates (lat & long), population, region
:return: specific argument requested, such as the code or the name or tells the user it's not there
"""
string = args.split()
if len(string) <= 0:
print("Enter a valid argument")
else:
if args in self.graph.vertices:
for key, val in vars(self.graph.vertices[args]).items():
print("{}: {}".format(key, val))
else:
print("Enter a valid city")
def do_all_single_flights(self, args):
"""
Grabs a list of all the other cities accessible via a single nonstop flight
Enter by code name and it'll find all cities it can go to as well as distance
:param args: city code, i.e. SCL for Santiago
:return: a list of all flights from the city
"""
if args in self.graph.edges:
for edge in self.graph.edges[args]:
print("City: {}, distance: {}".format(edge.destination, edge.distance))
else:
print("City does not exist!")
def do_longest_flight(self, args):
"""
Displays the longest flight in this network of flights
:param args: nothing, can type longest_flight
:return: longest flight by codes and distance
"""
longest = self.graph.longest_flight()
print("Longest flight is from {} to {} and distance is {}".format(longest[0], longest[1], longest[2]))
def do_shortest_flight(self, args):
"""
Displays the shortest flight in this network of flights
:param args: nothing, can type shortest_flight
:return: shortest flight by codes and distance
"""
shortest = self.graph.shortest_flight()
print("Shortest flight is from {} to {} and distance is {}".format(shortest[0], shortest[1], shortest[2]))
def do_average_flight(self, args):
"""
Displays the average distance of all the flights in this network of flights
:param args: nothing, can type average_flight
:return: average distance of all the flights
"""
print("Average distance is {}".format(self.graph.average_distance()))
def do_biggest_city(self, args):
"""
Displays the biggest city of all the cities in the network
:param args: nothing, can type biggest_city
:return: biggest city by code, name, and population size
"""
biggest = self.graph.biggest_city()
print("Biggest city is: {} {} and population is: {}".format(biggest[0], biggest[1], biggest[2]))
def do_smallest_city(self, args):
"""
Displays the smallest city of all the cities in the network
:param args: nothing, type smallest_city
:return: smallest city by code, name, and population size
"""
smallest = self.graph.smallest_city()
print("Smallest city is: {} {} and population is: {}".format(smallest[0], smallest[1], smallest[2]))
def do_average_city_size(self, args):
"""
Displays the average size of all the cities in the network
:param args: nothing, type average_city_size
:return: average size of the cities rounded down
"""
print("Average size of the cities is: {}".format(self.graph.average_city_size()))
def do_continents_and_cities(self, args):
"""
Displays all the continents and the cities each one
:param args: nothing, type continents_and_cities
:return: all the continents and cities that belong in each one
"""
list_all = self.graph.continents_and_cities()
for continent, cities in list_all.items():
print(continent, end=": ")
print(", ".join(cities))
def do_hubs(self, args):
"""
Displays the top 5 hubs based on the number of outgoing connections
:param args: nothing, type hubs
:return: the top 5 hubs by code
"""
hubs = self.graph.hubs()
for cities in hubs:
print("{} with {} outgoing routes".format(cities[0], cities[1]))
def do_visualize(self, args):
"""
Displays a map of the entire route
This function displays the link as well as opens it in a browser for you
:param args: nothing, type visualize
:return: a map of the entire network of flights
"""
url = "http://www.gcmap.com/mapui?P="
for code, _list in self.graph.edges.items():
for edge in _list:
url = "{}{}-{},".format(url, edge.start, edge.destination)
print(url)
webbrowser.open(url)
def do_del_city(self, args):
"""
Deletes a city from the network
Note that this deletes the city both ways in the network as well
:param args: city code to remove
:return: city removed or not
"""
if self.graph.remove_city(args):
print("City removed")
else:
print("City not found")
def do_del_route(self, args):
"""
Deletes a route from the network
This deletes both way
Argument must consist of two codes, i.e. del_route TYO LAX
:param args: two codes for the cities
:return: route removed or not
"""
route = args.split()
if len(route) <= 1:
print("Enter a valid number of arguments")
else:
if self.graph.remove_route(route[0], route[1]):
print("Edge removed")
else:
print("Edge couldn't be found")
def do_add_city(self, args):
"""
Adds a city to the network
Asks for user input and calls the graph class afterwards
:param args: none, can simply call add_city
:return: city added or not
"""
city = {"code": input("Enter city code"), "name": input("Enter city name"),
"country": input("Enter city country"), "continent": input("Enter city continent"),
"timezone": input("Enter city timezone")}
coordinates = input("Enter coordinates, i.e. N 5 W 74")
coordinates = coordinates.strip()
while len(coordinates) < 4:
coordinates = input("Please enter a valid coordinate parameter, i.e. N 5 W 74")
coordinates = coordinates.split()
city["coordinates"] = {coordinates[0]: coordinates[1], coordinates[2]: coordinates[3]}
population = input("Enter city population")
while int(population) < 0:
population = input("Please enter a valid population size")
city["population"] = population
city["region"] = input("Enter city region")
self.graph.add_city(city)
print("City added!")
def do_add_route(self, args):
"""
Takes in three parameters for args so that we can add them to the network
Must add in the order of distance start destination
:param args: three different parameters, i.e. 5000 TYO LAX
:return: route added
"""
route = args.split()
if len(route) < 3:
print("Enter valid parameters")
else:
self.graph.add_route(route[0], route[1], route[2])
print("Route added!")
def do_edit_city(self, args):
"""
Takes in three parameters to edit the city
Must add in order of the code, key, value
:param args: three different parameters, i.e. LAX name somecity
:return: city edited
"""
city = args.split()
if len(city) < 3:
print("Enter valid parameters")
else:
if city[0] in self.graph.vertices:
self.graph.edit_city(city[0], city[1], city[2])
print("City edited!")
else:
print("City does not exist!")
def do_save_json(self, args):
"""
Saves the data to the json
Simply call by save_json
:param args: none
:return: JSON saved
"""
self.graph.save_to_json()
def do_load_json(self, args):
"""
Loads the data from the json
:param args: none, simply uses the same file
:return: JSON loaded
"""
self.graph.vertices.clear()
self.graph.edges.clear()
self.graph.add_from_json('../Data/save.json')
def do_route_info(self, args):
"""
Checks if a route is valid based on argument of spaces
:param args: code names separated by spaces
:return: true or false on whether a route is valid
"""
route = args.split()
result = self.graph.route_info(route)
print(result)
if result is not None:
print("Total distance is {} km, cost is {} dollars, and time is {} hours".format(result[0], result[1],
result[2]))
else:
print("Invalid route")
def do_shortest_route(self, args):
"""
Gets the shortest route from two cities
:param args: two city codes, i.e. CMI NYC
:return: shortest route between the two
"""
route = args.split()
if len(route) < 1:
print("Enter two cities")
else:
path = self.graph.djikstra(route[0], route[1])
print("Route is ", end="")
route = ""
for code in path:
if code is not path[-1]:
print(code, end="->")
else:
print(code)
route = route + " " + code
self.do_route_info(route)
def do_help(self, args):
"""
Gets help for a certain command
:param args: Any input you need help with
:return: Documented comments about the command
"""
Cmd.do_help(self, args)
def do_quit(self, args):
"""
Exits on system end or EOF
:param args:
:return:
"""
exit()
def emptyline(self):
"""
Defines what happens when nothing is typed in
:return: Output telling user to type something in
"""
print("Please input something. Type help for available commands")
def default(self, line):
"""
Defines what happens when anything other than these commands are typed
:param line: random input the user types
:return: Output telling user to type in a valid command
"""
print("Command not recognized. Type help for available commands")