Patch loop runner _run_once

import asyncio
def _run_once(self):
	num_tasks = len(self._scheduled)
    print("num tasks in queue: {}".format(num_tasks))
    super(asyncio.SelectorEventLoop, self)._run_once()

EventLoop = asyncio.SelectorEventLoop
EventLoop._run_once = _run_once
loop = EventLoop()
asyncio.set_event_loop(loop)
async def task(n):
    await asyncio.sleep(n)
    print("sleep: {} sec".format(n))

coro = loop.create_task(task(3))
loop.run_until_complete(coro)
# num tasks in queue: 0
# num tasks in queue: 1
# num tasks in queue: 0
# sleep: 3 sec
# num tasks in queue: 0
loop.close()

Source: pythonsheets.com

Similar codes

1 vote104 views1 answer
How to add an active class to current element in navbar in django
Python
0 vote96 views1 answer
Predict probabilities with xg boost
Python
0 vote108 views2 answers
Python web scraping project
Python
0 vote126 views1 answer
Random Remarks Example in python
Python
15 votes93 views5 answers
List of dataframe to dataframe
Python
0 vote106 views1 answer
Add to middle of list python
Python
0 vote96 views1 answer
Change group box border color pyqt5
Python
1 vote96 views2 answers
Rightclick in pygame
Python
0 vote100 views1 answer
First hitting time python
Python
1 vote107 views1 answer
Algorithms for Determine the sum of al digits of n
Python