攜程greenlet的簡單使用
阿新 • • 發佈:2019-01-07
協程 greenlet庫
pip install greenlet
文件
https://greenlet.readthedocs.io/en/latest/
from greenlet import greenlet
def test1():
print(12)
gr2.switch()
print(34)
def test2():
print(56)
gr1.switch()
print(78)
gr1 = greenlet(test1)
gr2 = greenlet(test2)
gr1.switch()
"""
12
56
34
首先建立兩個執行物件
gr1.switch() 跳轉到test1函式,列印12
跳轉到test2函式,列印56
跳轉到test1函式,列印34,test1執行完畢,gr1死亡,即gr1.switch()執行完畢,不會列印78
"""
from greenlet import greenlet
def test1(x, y):
z = gr2.switch(x+y)
print(z)
def test2(u):
print(u)
gr1.switch(42)
gr1 = greenlet(test1)
gr2 = greenlet(test2)
gr1.switch("hello", " world")
"""
hello world
42
"""