python3-httpx (A next-generation HTTP client for Python) HTTPX is a fully featured HTTP client library for Python 3. It includes an integrated command line client, has support for both HTTP/1.1 and HTTP/2, and provides both sync and async APIs. Optional installs: h2 - HTTP/2 support. (no slackbuild) socksio - SOCKS proxy support. (no slackbuild) async_generator - Backport support for contextlib.asynccontextmanager.