httpx-http2-timeout-example.py

import asyncio

import httpx


async def do_request(client: httpx.AsyncClient):
    try:
        await client.get(
            url="https://google.com",
        )
    except Exception as e:
        print(f"{type(e)}: {str(e)}")


async def request_multiple(client: httpx.AsyncClient):
    count = 0
    while True:
        print(f"Request number: {count}")
        await asyncio.gather(
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client)
        )
        count += 5


if __name__ == "__main__":
    cl = httpx.AsyncClient()
    asyncio.run(request_multiple(client=cl))

Output with HTTP/2 enabled:

Request number: 0
Request number: 5
<class 'httpx.exceptions.ReadTimeout'>: 
<class 'httpx.exceptions.ReadTimeout'>: 
<class 'KeyError'>: HTTPConnection(origin=Origin(scheme='https' host='google.com' port=443))
<class 'KeyError'>: HTTPConnection(origin=Origin(scheme='https' host='google.com' port=443))
Request number: 10
Request number: 15
<class 'httpx.exceptions.ReadTimeout'>: 
<class 'KeyError'>: HTTPConnection(origin=Origin(scheme='https' host='google.com' port=443))
<class 'KeyError'>: HTTPConnection(origin=Origin(scheme='https' host='google.com' port=443))
<class 'KeyError'>: HTTPConnection(origin=Origin(scheme='https' host='google.com' port=443))
Request number: 20
Request number: 25
<class 'httpx.exceptions.ReadTimeout'>: 
<class 'httpx.exceptions.ReadTimeout'>: 
<class 'KeyError'>: HTTPConnection(origin=Origin(scheme='https' host='google.com' port=443))
Request number: 30

Modified to run with httpxprof:

import asyncio

import httpx
import httpxprof


async def do_request(client: httpx.AsyncClient):
    try:
        await client.get(
            url="https://google.com",
        )
    except Exception as e:
        print(f"{type(e)}: {str(e)}")


async def request_multiple(client: httpx.AsyncClient):
    count = 0

    while count < 2:
        print("Count:", count)
        await asyncio.gather(
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client),
            do_request(client=client)
        )
        count += 1
    print("Finished")


async def main(config: httpxprof.Config) -> None:
    cl = httpx.AsyncClient(http2=False)
    await request_multiple(client=cl)

With http2 enabled:

With http2 disabled: