cannot use playwright-python in fastapi, got NotImplementedError

First Check

• I added a very descriptive title to this issue.
• I used the GitHub search to find a similar issue and didn’t find it.
• I searched the FastAPI documentation, with the integrated search.
• I already searched in Google “How to X in FastAPI” and didn’t find any information.
• I already read and followed all the tutorial in the docs and didn’t find an answer.
• I already checked if it is not related to FastAPI but to Pydantic.
• I already checked if it is not related to FastAPI but to Swagger UI.
• I already checked if it is not related to FastAPI but to ReDoc.

Commit to Help

• I commit to help with one of those options 👆

Example Code

// api.py
from playwright.async_api import async_playwright
class FS131VIAPI:
    def __init__(self):
        self.cookie = None
    async def fetch(self, params):
        await self.login_for_cookie()
        logger.info(params)

    async def login_for_cookie(self):
        async with async_playwright() as p:
            browser = await p.chromium.launch(headless=False)
            context = await browser.new_context()
            page = await context.new_page()
            await page.goto("https://cn.bing.com/")
            print(await page.title())
            print(await context.cookies())
            self.cookie = await context.cookies()
            await context.close()

// main.py
...
from api import FS131VIAPI
fs131vi_api = FS131VIAPI()
@app.post("/")
async def index():
    await fs131vi_api.fetch({"SERVICE_IDS": "xxx"})

Description

open the browser and call the endpoint ‘/’ fastapi received the request and call playwright-python to call “https://cn.bing.com/”, return cookies

Operating System

Windows

Operating System Details

windows 10

FastAPI Version

0.85.0

Python Version

3.10.2

Additional Context

[pheman]

problem can be solved by setting reload=False. more can be found on https://github.com/microsoft/playwright-python/issues/1099

if __name__ == "__main__":

    uvicorn.run(
        "test:app",
        host="0.0.0.0",
        reload=False,
        port=8002
    )

[phoenixor]

problem can be solved by setting reload=False. more can be found on microsoft/playwright-python#1099

if __name__ == "__main__":

    uvicorn.run(
        "test:app",
        host="0.0.0.0",
        reload=False,
        port=8002
    )

i am talking about playwright-python work with reload when developing