def __post_init__(self):
super().__post_init__()
if self.velocity < 0:
raise NegativeParameterError(
"Engine must have velocity of positive engine", self.velocity)
if self.efficiency < 0.1 or self.efficiency > 1:
raise NegativeParameterError(
"Engine must have efficiency from 0.1 to 1", self.efficiency)
def __post_init__(self):
if self.missiles < 0:
raise NegativeParameterError("Cannot have negative missile amount",
self.missiles)
if self.gun_ammo < 0:
raise NegativeParameterError("Gun rounds cannot be negative",
self.gun_ammo)
if self.flares < 0:
raise NegativeParameterError("Flares amount must be positive",
self.flares)
def __post_init__(self):
super().__post_init__()
if self.wheel_drive not in ['full', 'front', 'rear']:
raise WheelDriveTypeError(self.wheel_drive)
if self.max_ratio < 0:
raise NegativeParameterError(
"Engine must have rpm of positive engine", self.max_ratio)
def max_carry(self, val):
if val < 0:
raise NegativeParameterError("Carrying amount cannot be negative",
val)
if val > 2:
raise ValueError(
f"Fighter cannot carry more than 2 pilots, got {val}")
self._max_carry = val
def weight(self, val):
if val < 0:
raise NegativeParameterError("Weight cannot be negative", val)
if val > 3 * self._max_carry:
print(
f"Plane cannot weight more than 500 * carry_cap ({500 * self._max_carry}). Setting max weight"
)
self._weight = 3 * self._max_carry
self._weight = val
def fight(self, enemies):
if enemies < 0:
raise NegativeParameterError(
"Amount of enemies cannot be negative", enemies)
if enemies == 0:
print("Clear skies. No enemies, continue patrol")
return True
if self._weapons.fight(enemies):
return True
return False
def load(self, amount):
if amount < 0:
raise NegativeParameterError("Cannot load with negative weight",
amount)
if self._carrying + amount > self._max_carry:
print(
f"Unable to load {amount}. Carry limit of {self._max_carry} reached. Current load {self._carrying}"
)
return
self._carrying += amount
return self._carrying
def unload(self, amount):
if amount < 0:
raise NegativeParameterError(
"Cannot remove negative weight from Car", amount)
if self._carrying - amount < 0:
print(
f"Unable to unload {amount}. Car does not have such cargo. Removing all existing cargo"
)
self._carrying = 0
return self._carrying
self._carrying -= amount
return self._carrying
def add_passengers(self, amount):
if amount < 0:
raise NegativeParameterError("Cannot get negative amount on board",
amount)
if self._carrying + amount > self._max_carry:
print(
f"Unable to load {amount} passengers. Plane carry limit of {self._max_carry} reached. Current load {self._carrying}"
)
return
self._carrying += amount
print(
f"Loaded {amount} passengers to plane. Current cap {self._carrying} of {self._max_carry}"
)
return self._carrying
def rm_passengers(self, amount):
if amount < 0:
raise NegativeParameterError(
"Cannot remove negative amount of people from board", amount)
if self._carrying - amount < 0:
print(
f"Unable to rm {amount}. There are not enough on board. Removing all passengers"
)
self._carrying = 0
return self._carrying
self._carrying -= amount
print(
f"Removed {amount} passengers from plane. Current cap {self._carrying} of {self._max_carry}"
)
return self._carrying
def refuel(self, amount=0):
if amount < 0:
raise NegativeParameterError(
"Cannot fuel with negative amount of petrol", amount)
new_fuel = self._petrol + amount
if new_fuel > self._fuel_capacity:
print(
f"Fueled full tank of {self._fuel_capacity}l, extra petrol {new_fuel - self._fuel_capacity}l is lost"
)
self._petrol = self._fuel_capacity
return self._petrol
print(
f"Fueled car with {amount} litres, Now have {self._petrol + amount} litres"
)
self._petrol += amount
return self._petrol
def __init__(self,
weight=1000,
carrying=0,
max_carry=400,
petrol=50,
fuel_capacity=50,
engine=Engine(90)):
if weight < 0:
raise NegativeParameterError("Weight cannot be negative", weight)
self._weight = weight
self._carrying = carrying
self._max_carry = max_carry
self._petrol = petrol
self._fuel_capacity = fuel_capacity
if not isinstance(engine, Engine):
raise TypeError("Car must be init with proper Engine instance")
self._engine = engine
class Plane(Vehicle):
def __init__(self,
weight=10000,
carrying=0,
max_carry=4000,
kerosene=500,
fuel_capacity=700,
engine=AvionicEngine(800, 9_000, 0.6)):
if weight < 0:
raise NegativeParameterError("Weight cannot be negative", weight)
self._weight = weight
self._carrying = carrying
self._max_carry = max_carry
self._kerosene = kerosene
self._fuel_capacity = fuel_capacity
if not isinstance(engine, AvionicEngine):
raise TypeError(
"Plane must be init with proper AvionicEngine instance")
self._engine = engine
def __post_init__(self):
if self.horses < 0:
raise NegativeParameterError(
"Engine cannot have negative horsepower", self.horses)
def carrying(self, val):
if val < 0:
raise NegativeParameterError("Carrying amount cannot be negative",
val)
self._carrying = val
def weight(self, val):
if val < 0:
raise NegativeParameterError("Weight cannot be negative", val)
self._weight = val