Facade Design Pattern in Python
Write a Python program to implement Facade Design Pattern.
Facade
class ProcessingUnit:
'''Subsystem #1'''
def process(self):
print("Processing...")
class DisplayUnit:
'''Subsystem #2'''
def display(self):
print("Displaying...")
class Memory:
'''Subsystem #3'''
def ioOperation(self):
print("Reading and writing to memory...")
class Computer:
'''Facade'''
def __init__(self):
self.processingUnit = ProcessingUnit()
self.displayUnit = DisplayUnit()
self.memory = Memory()
def bootUp(self):
self.processingUnit.process()
self.memory.ioOperation()
self.displayUnit.display()
computer = Computer()
computer.bootUp()
See also:
- Python 101
- Object Oriented Python
- Design Patterns in Python
- 50+ Handy Standard Library Modules
- 60+ Handy Third Library Modules
- 50+ Tips & Tricks for Python Developers
- 50+ Know-How(s) Every Pythonista Must Know