from typing import Union

import time
import aiohttp
import asyncio
import async_timeout


async def send_post(url: str, post_data: Union[str, bytes, dict], timeout=60) -> bool:
    with async_timeout.timeout(timeout):
        async with aiohttp.ClientSession() as session:
            async with session.post(url, data=post_data) as response:
                if response.status == 200:
                    return True
    return False


list_requests = [
    # URL, POSTDATA
    ('http://httpbin.org/post', {'a': 1, 'b': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
    ('http://httpbin.org/post', {'c': 1, 'd': 2}),
]


list_tasks = list()
for args in list_requests:
    list_tasks.append(send_post(*args))


start_time = time.time()
loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.wait(list_tasks))

print('end time: {}'.format(time.time() - start_time))