client.py

import asyncio

import aiohttp


import logging
logging.basicConfig(level=logging.DEBUG)

async def main():
    async with aiohttp.ClientSession() as session:
        people_urls = await get_people_urls(session)
        people = [get_person(session, url) for url in people_urls]
        people = await asyncio.gather(*people)

    print(people)


async def get_people_urls(session):
    # Assume this returns
    # {
    #     "data": {
    #         "urls": [
    #             "http://example.com/person/1",
    #             "http://example.com/person/1"
    #         ]
    #     }
    # }
    async with session.get('http://127.0.0.1:8080/people') as response:
        data = await response.json()
        return data['data']['urls']


async def get_person(session, url):
    async with session.get(url) as response:
        data = await response.json()
        return data


if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())