CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutSign UpSign In
jackfrued

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: jackfrued/Python-100-Days
 Path: blob/master/Day01-15/code/Day13/coroutine2.py
Views: 729
1
"""

2
使用协程 - 查看协程的状态

3


4
Version: 0.1

5
Author: 骆昊

6
Date: 2018-03-21

7
"""

8


9
from time import sleep

10
from inspect import getgeneratorstate

11


12


13
def build_deliver_man(man_id):

14
    total = 0

15
    while True:

16
        total += 1

17
        print('%d号快递员准备接今天的第%d单.' % (man_id, total))

18
        pkg = yield

19
        print('%d号快递员收到编号为%s的包裹.' % (man_id, pkg))

20
        sleep(0.5)

21


22


23
def package_center(deliver_man, max_per_day):

24
    num = 1

25
    # 创建状态(GEN_CREATED) - 等待开始执行

26
    print(getgeneratorstate(deliver_man))

27
    deliver_man.send(None)

28
    # 挂起状态(GEN_SUSPENDED) - 在yield表达式处暂停

29
    print(getgeneratorstate(deliver_man))

30
    # next(deliver_man)

31
    while num <= max_per_day:

32
        package_id = 'PKG-%d' % num

33
        deliver_man.send(package_id)

34
        num += 1

35
    deliver_man.close()

36
    # 结束状态(GEN_CLOSED) - 执行完毕

37
    print(getgeneratorstate(deliver_man))

38
    print('今天的包裹派送完毕!')

39


40


41
dm = build_deliver_man(1)

42
package_center(dm, 10)

43


44