http_interceptor.py

import http.client
original_request = http.client.HTTPConnection.request

intercepted_requests = []

def intercepted_request(self, *args, **kwargs):
    intercepted_requests.append(args[1][1:])
    return original_request(self, *args, **kwargs)

# intercept requests
http.client.HTTPConnection.request = intercepted_request

def test_urllib3():
    import urllib3
    _http = urllib3.PoolManager()
    _http.request("GET", "https://www.example.org/urllib3")

def test_requests():
    import requests
    requests.get("https://www.example.org/requests")

def test_httpx():
    import httpx
    httpx.get('https://www.example.org/httpx')

def test_httpx_async():
    import asyncio
    import httpx
    async def _test():
        async with httpx.AsyncClient() as client:
            await client.get('https://www.example.com/httpx_async')
    asyncio.run(_test())

def test_aiohttp():
    import asyncio
    import aiohttp

    async def main():
        async with aiohttp.ClientSession() as session:
            async with session.get('http://httpbin.org/get') as resp:
                pass

    asyncio.run(main())

test_urllib3()
test_requests()
test_httpx()
test_httpx_async()
test_aiohttp()

print(intercepted_requests)

# revert the interceptor
http.client.HTTPConnection.request = original_request