per-context proxies with Playwright

proxy_per_context.py

import asyncio
from playwright.async_api import async_playwright

proxy_servers = [
    "http://PROXY_IP1:PORT",
    "http://PROXY_IP2:PORT",
]


async def spawn_context(browser, proxy_server):
    context = await browser.new_context(proxy={"server": proxy_server})
    page = await context.new_page()
    await page.goto("https://www.icanhazip.com/")
    await page.wait_for_timeout(1000 * 100)


async def main():
    async with async_playwright() as playwright:
        browser = await playwright.chromium.launch(
            headless=False,
            # From Playwright docs, workaround for Windows issue.
            proxy={"server": "http://per-context"},
        )
        tasks = []
        for proxy_server in proxy_servers:
            tasks.append(asyncio.create_task(spawn_context(browser, proxy_server)))
        await asyncio.gather(*tasks)
        await browser.close()


asyncio.run(main())