aiohttp

Error AttributeError: module 'aiohttp' has no attribute 'ClientSession' Question: Error AttributeError: module ‘aiohttp’ has no attribute ‘ClientSession’, But ClientSession exists in module, idk how to solve it. i tried everthing someone help import aiohttp import asyncio import json import time async def get_page (session,url): async with session.get(url) as r: return await r.text() async def get_all(session,urls) …

Why is loop.create_task taking so long to execute? Question: I am trying to emulate the reading of a NFC chip by pressing the cmd key in a little python script that acts as a socket-io server. It’s job is to notify a client after the cmd key has been pressed. It works, but emulate_nfc_tag() takes …

aiohttp: Tasks created from aiojobs.spawn() don't appear in main loop when doing `asyncio.Task.all_tasks()` Question: I am using asyncio.Task.all_tasks() to figure out which tasks to cancel & which should I wait for during shutdown. So it looks like this: web.run_app(web_app, port=PORT, handle_signals=True) # Then in case the app is stopped, we do cleanup loop.run_until_complete(wait_for_all_blocker_coroutines_to_finish()) This is …

How to employ cache busting with aiohtttp and jinja2? Question: The documentation for aiohttp states: When you want to enable cache busting, parameter append_version can be set to True web.static(‘/prefix’, path_to_static_folder, append_version=True) (from here) My question is, how do I inject the version query into the resulting HTML? For e.g. I have: <img class="logo" src="/path_to/static/images/logo.png"> …

How to share (initialize and close) aiohttp.ClientSession between Django async views to use connection pooling Question: Django supports async views since version 3.1, so it’s great for non-blocking calls to e.g. external HTTP APIs (using, for example, aiohttp). I often see the following code sample, which I think is conceptually wrong (although it works perfectly …

Why I can't fetch responses from aiohttp in cycle? Exception: ValueError: I/O operation on closed file + aiohttp.payload.LookupError Question: When I tried to get response from each api_key in cycle I’m always confused with two errors – ValueError: I/O operation on closed file AND aiohttp.payload.LookupError… async def get_api_response(photo_bytes, api_key, language): async with aiohttp.ClientSession() as session: …

Websocket getting closed immediately after connecting to FastAPI Endpoint Question: I’m trying to connect a websocket aiohttp client to a fastapi websocket endpoint, but I can’t send or recieve any data because it seems that the websocket gets closed immediately after connecting to the endpoint. server import uvicorn from fastapi import FastAPI, WebSocket app = …

aiohttp: Getting a server's response when the request status code is not 2XX Question: I’m using aiohttp for async http requests, and I can’t figure out how to get the response from a server when the request returns a 4XX error. async def login(self, username: str, password: str) -> None: … async with aiohttp.ClientSession(headers=self._headers) as …

Socket error (An operation was attempted on something that is not a socket) on aiohttp function Question: async def simultaneous_chunked_download(urls_paths, label): timeout = ClientTimeout(total=60000) sem = asyncio.Semaphore(5) async with aiohttp.ClientSession(timeout=timeout, connector=aiohttp.TCPConnector(verify_ssl=False)) as cs: async def _fetch(r, path): async with sem: async with aiofiles.open(path, "wb") as f: async for chunk in r.content.iter_any(): if not chunk: break …

asyncio create task and aiohttp , 'no running event loop' Question: Im trying to make a Pyqt5 app with aiohttp request, and asyncio tasks. Im using quamash package too and it requires Python 3.7 so i installed this version.(it didn’t work on Python 3.10) The main reason i use asyncio and quamash is because i …