python-patterns/proxy.py at master · Bot123123/python-patterns · GitHub

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

importtime


classSalesManager:

defwork(self):
print("Sales Manager working...")

deftalk(self):
print("Sales Manager ready to talk")


classProxy:

def__init__(self):
self.busy='No'
self.sales=None

defwork(self):
print("Proxy checking for Sales Manager availability")
ifself.busy=='No':
self.sales=SalesManager()
time.sleep(2)
self.sales.talk()
else:
time.sleep(2)
print("Sales Manager is busy")


if__name__=='__main__':
p=Proxy()
p.work()
p.busy='Yes'
p.work()

### OUTPUT ###
# Proxy checking for Sales Manager availability
# Sales Manager ready to talk
# Proxy checking for Sales Manager availability
# Sales Manager is busy