Proxy Connection String Builder

curl -x 'http://user1:pass1@proxy.example.com:8080' 'https://httpbin.org/ip'

import requests

proxies = {
    "http": "http://user1:pass1@proxy.example.com:8080",
    "https": "http://user1:pass1@proxy.example.com:8080",
}

r = requests.get("https://httpbin.org/ip", proxies=proxies, timeout=30)
print(r.status_code, r.text[:200])

// npm install undici
// Node's global fetch IS undici internally, but that copy is not
// importable, and a dispatcher from the installed undici throws when
// handed to the global fetch. Import both from the same install.
import { fetch, ProxyAgent } from "undici";

const dispatcher = new ProxyAgent("http://user1:pass1@proxy.example.com:8080");

const res = await fetch("https://httpbin.org/ip", { dispatcher });
console.log(res.status, await res.text());

export HTTP_PROXY='http://user1:pass1@proxy.example.com:8080'
export HTTPS_PROXY='http://user1:pass1@proxy.example.com:8080'
export ALL_PROXY='http://user1:pass1@proxy.example.com:8080'

# settings.py: via HttpProxyMiddleware (enabled by default)
# or set per-request:
yield scrapy.Request(
    "https://httpbin.org/ip",
    meta={"proxy": "http://user1:pass1@proxy.example.com:8080"},
)