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mouredev.py
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mouredev.py
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"""
Ejercicio
"""
from abc import ABC, abstractmethod
# Sin ISP
class WorkerInterface(ABC):
@abstractmethod
def work(self):
pass
@abstractmethod
def eat(self):
pass
class Human(WorkerInterface):
def work(self):
print("Trabajando")
def eat(self):
print("Comiendo")
class Robot(WorkerInterface):
def work(self):
print("Trabajando")
def eat(self):
# Los robots no comen
pass
human = Human()
human.work()
human.eat()
robot = Robot()
robot.work()
robot.eat() # error
# Con ISP
class WorkInterface(ABC):
@abstractmethod
def work(self):
pass
class EatInterface(ABC):
@abstractmethod
def eat(self):
pass
class Human(WorkInterface, EatInterface):
def work(self):
print("Trabajando")
def eat(self):
print("Comiendo")
class Robot(WorkInterface):
def work(self):
print("Trabajando")
human = Human()
human.work()
human.eat()
robot = Robot()
robot.work()
"""
Extra
"""
class PrinterInterface(ABC):
@abstractmethod
def print(self, document: str):
pass
class ColorPrinterInterface(ABC):
@abstractmethod
def print_color(self, document: str):
pass
class ScannerInterface(ABC):
@abstractmethod
def scan(self, document: str) -> str:
pass
class FaxInterface(ABC):
@abstractmethod
def send_fax(self, document: str):
pass
class Printer(PrinterInterface):
def print(self, document: str):
print(f"Imprimiendo en blanco y negro el documento {document}.")
class ColorPrinter(ColorPrinterInterface):
def print_color(self, document: str):
print(f"Imprimiendo a color el documento {document}.")
class MultifunctionPrinter(PrinterInterface, ColorPrinterInterface, ScannerInterface, FaxInterface):
def print(self, document: str):
print(f"Imprimiendo en blanco y negro el documento {document}.")
def print_color(self, document: str):
print(f"Imprimiendo a color el documento {document}.")
def scan(self, document: str) -> str:
print(f"Escaneando el documento {document}.")
return f"Documento {document} escaneado."
def send_fax(self, document: str):
print(f"Enviando por fax el documento {document}.")
def test_printers():
printer = Printer()
color_printer = ColorPrinter()
multifunction_printer = MultifunctionPrinter()
printer.print("doc.pdf")
color_printer.print_color("doc.pdf")
multifunction_printer.print("doc.pdf")
multifunction_printer.print_color("doc.pdf")
multifunction_printer.scan("doc.pdf")
multifunction_printer.send_fax("doc.pdf")
test_printers()