coroutine02.py 983 B

123456789101112131415161718192021222324252627282930313233343536373839404142
  1. from time import sleep
  2. from myutils import coroutine
  3. @coroutine
  4. def create_delivery_man(name, capacity=1):
  5. buffer = []
  6. while True:
  7. size = 0
  8. while size < capacity:
  9. pkg_name = yield
  10. if pkg_name:
  11. size += 1
  12. buffer.append(pkg_name)
  13. print('%s正在接受%s' % (name, pkg_name))
  14. else:
  15. break
  16. print('=====%s正在派送%d件包裹=====' % (name, len(buffer)))
  17. sleep(3)
  18. buffer.clear()
  19. def create_package_center(consumer, max_packages):
  20. num = 0
  21. while num <= max_packages:
  22. print('快递中心准备派送%d号包裹' % num)
  23. consumer.send('包裹-%d' % num)
  24. num += 1
  25. if num % 10 == 0:
  26. sleep(5)
  27. consumer.send(None)
  28. def main():
  29. print(create_delivery_man.__name__)
  30. dm = create_delivery_man('王大锤', 7)
  31. create_package_center(dm, 25)
  32. if __name__ == '__main__':
  33. main()