python

Everything tagged python.

7 articles

Topic python

Proxies for undetected-chromedriver: Setup, Authentication and SOCKS5 (Measured on Chrome 151)

undetected-chromedriver proxy setup: --proxy-server, why user:pass in the URL fails, three fixes that work, SOCKS5 and headless, measured on Chrome 151.

September 2, 2026 · 19 min read

pip Behind a Proxy: Fix "Cannot Connect to Proxy", 407, and Certificate Errors

How pip finds its proxy, the --proxy flag and pip.conf keys, and the fix for each error: cannot connect to proxy, 407 in the tunnel, and certificate verify failed.

August 24, 2026 · 8 min read

How to Use Proxies With aiohttp (async Python)

How to use proxies with aiohttp: the proxy argument, BasicAuth, trust_env, SOCKS5 through aiohttp-socks, rotating a pool across concurrent tasks, timeouts and retries.

August 23, 2026 · 7 min read

How to Use Proxies With LangChain

How to use proxies with LangChain: route WebBaseLoader, document loaders and scraping tools through a proxy, and why you proxy the data side, not the model call.

August 23, 2026 · 6 min read

requests vs httpx vs aiohttp: Proxies Compared

How the three Python HTTP clients handle proxies: the config each one uses, SOCKS support, sync versus async, connection reuse, and which to pick for a scraper.

August 23, 2026 · 5 min read

How to Use Proxies With HTTPX (proxy, mounts, SOCKS5, async)

Proxy code for httpx 0.28: the proxy argument, mounts per host, AsyncClient, SOCKS5 via httpx[socks], and every error text, measured on a live proxy.

July 17, 2026 · 17 min read

How to Use Proxies With Python Requests

How to use proxies with Python requests: the proxies dict, auth, Sessions, SOCKS5, rotating a pool, timeouts and retries, plus verifying your real exit IP.

July 3, 2026 · 9 min read

Proxies that don't die mid-job

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HProxy.

Honest guides and comparisons on proxies, scraping and staying unblocked, from the team that runs the network.

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