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Comment by daze42 | Hacker News Reader

I've been using httpx 0.9.3 in production now for a couple months. I switched from requests when I realized I needed async support and it has been a dream to use.

The only issue I've run into has been with my attempt to reuse the same AsyncClient to make multiple concurrent requests to the same remote host. It looks like this issue may have been fixed in 0.10 or 0.11 so I'll be upgrading soon to check.

Also, be sure to check out the other fantastic projects by Encode. https://github.com/encode I stumbled upon httpx after using Starlette and Uvicorn for one of our microservices and and been pleasantly surprised by how easy to set up and use they are.

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I'm currently using aiohttp. There is features I don't find in butterfly docs like : limit connection, limit connection per host or per time frame.

Do you know if those exist in butterfly?

I'm already deep in aiohttp and it's not an easy task to learn an async client (at least in my case, but I'm no dev) so if I do switch it would be for more features (retry option on exceptions, limit requests per host and per time frame...). But that's only my opinion.

I prototyped moving to aiohttp from requests/multiprocessing. The speedup was amazing. Saw something like a 60% reduction in runtime for our use case. Only reason the code hasn't gone live: we currently use requests_negotiate_sspi for authentication, which sadly isn't supported by aiohttp. Not sure if httpx supports it. Looks like it might. Planning on giving it a shot next week.

We don’t have any third party packages for that authentication style yet, but we do have an API for supporting custom auth flows... https://www.python-httpx.org/advanced/#customizing-authentic...

If you’re interested in trying httpx you’d be very welcome to raise an issue an issue related to NTLM/Negotiate authentication - it’d be really helpful for us to work through that and figure out if our auth API is sufficient for implementing that, or if there’s anything we’re missing.

Thanks, will do.

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