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集成开发环境:WingIDE5.1.4 暂不支持,
import tornado #loop =tornado.ioloop.IOLoop.instance() #导入错误。 from tornado.ioloop import IOLoop #正确的方式 loop = IOLoop.instance()
aysnc和await的用法:
import time
async def long_time_proc(num):
#asyncio.sleep(2)
time.sleep(3)
return hex(num)
async def display_res(num):
r = await long_time_proc(num) #await
print("r:"+r, time.time())
loop = asyncio.get_event_loop()
# Blocking call which returns when the display_date() coroutine is done
loop.run_until_complete(display_res(6))
loop.run_until_complete(display_res(5))
loop.close()
与tornado的loop
import tornado
loop =tornado.ioloop.IOLoop.instance()
from tornado.ioloop import IOLoop
loop = IOLoop.instance()
def finished():
print ("ff")
loop.add_future( display_res(6), finished )
loop.add_future( display_res(5), finished )
loop.start()
暂时通不过,参见:https://mail.python.org/pipermail/python-dev/2015-May/139851.html
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原文地址:http://my.oschina.net/cppblog/blog/424112