def create_cars(count=200):
current_car_count = Car.objects().count()
if current_car_count >= count:
print("There are currently {:,} cars. Skipping create.")
return []
count = count - current_car_count
hp_factor = 660
mpg_factor = 21
liters_factor = 4
cars = []
print("Building cars...")
for _ in range(0, count):
model = random.choice(models)
make = 'Ferrari'
year = random.randint(1985, datetime.now().year)
mileage = random.randint(0, 150000)
mpg = int((mpg_factor + mpg_factor * random.random() / 4) * 10) / 10.0
horsepower = int(hp_factor + hp_factor * random.random() / 2)
liters = int((liters_factor + liters_factor * random.random() / 2) * 100) / 100.0
engine = Engine(horsepower=horsepower, liters=liters, mpg=mpg)
car = Car(model=model, make=make, year=year, engine=engine, mileage=mileage)
cars.append(car)
print("Saving cars...")
Car.objects().insert(cars)
return list(Car.objects())
def create_car(model: str, make: str, year: int, mileage: float,
horsepower: int, liters: float, mpg: float) -> Car:
engine = Engine(horsepower=horsepower, liters=liters, mpg=mpg)
car = Car(model=model, make=make, year=year, mileage=mileage engine=engine)
car.save()
return Car
def add_car():
model = input("What is the model? ")
make = 'Ferrari' # input("What is the make? ")
year = int(input("Year built? "))
car = Car()
car.year = year
car.make = make
car.model = model
engine = Engine()
engine.horsepower = 700
engine.mpg = 20
engine.liters = 4.0
car.engine = engine
car.save()
def add_car():
model = input('What is the model: ')
make = input('What is the make: ')
year = int(input('Year built?: '))
car = Car()
car.year = year
car.make = make
car.model = model
engine = Engine()
engine.horsepower = 590
engine.mpg = 22
engine.liters = 4.0
car.engine = engine
car.save()
def add_car():
model = input("What is the model? ")
make = 'Ferrari' # input("What is the make? ")
year = int(input("Year built? "))
car = Car()
car.year = year
car.make = make
car.model = model
engine = Engine()
engine.horsepower = 590
engine.mpg = 22
engine.liters = 4.0
car.engine = engine
car.save()
def add_car():
model = input('What is the model? ')
make = input('What is the make? ')
year = int(input('Year built? '))
# mileage = float(input('Mileage? '))
# vin = input('VIN? ')
car = Car()
car.model = model
car.make = make
car.year = year
# car.mileage = mileage
# car.vi_number = vin
engine = Engine()
engine.horsepower = 600
engine.mpg = 20
engine.liters = 5.0
car.engine = engine # equals to an object
car.save(
) # in order to insert it to db in active record style, where we work with a single document