To get something from the web:
import aiohttp
import asyncio
async def main():
async with aiohttp.ClientSession() as session:
async with session.get('http://python.org') as response:
print("Status:", response.status)
print("Content-type:", response.headers['content-type'])
html = await response.text()
print("Body:", html[:15], "...")
asyncio.run(main())
This prints:
Status: 200 Content-type: text/html; charset=utf-8 Body: <!doctype html> ...
Coming from requests ? Read why we need so many lines.
An example using a simple server:
# examples/server_simple.py
from aiohttp import web
async def handle(request):
name = request.match_info.get('name', "Anonymous")
text = "Hello, " + name
return web.Response(text=text)
async def wshandle(request):
ws = web.WebSocketResponse()
await ws.prepare(request)
async for msg in ws:
if msg.type == web.WSMsgType.text:
await ws.send_str("Hello, {}".format(msg.data))
elif msg.type == web.WSMsgType.binary:
await ws.send_bytes(msg.data)
elif msg.type == web.WSMsgType.close:
break
return ws
app = web.Application()
app.add_routes([web.get('/', handle),
web.get('/echo', wshandle),
web.get('/{name}', handle)])
if __name__ == '__main__':
web.run_app(app)
https://aiohttp.readthedocs.io/
https://github.com/aio-libs/aiohttp-demos
Feel free to make a Pull Request for adding your link to these pages!
aio-libs Discussions: https://github.com/aio-libs/aiohttp/discussions
Matrix: #aio-libs:matrix.org
We support Stack Overflow. Please add aiohttp tag to your question there.
Optionally you may install the aiodns library (highly recommended for sake of speed).
aiohttp is offered under the Apache 2 license.
The aiohttp community would like to thank Keepsafe (https://www.getkeepsafe.com) for its support in the early days of the project.
The latest developer version is available in a GitHub repository: https://github.com/aio-libs/aiohttp
If you are interested in efficiency, the AsyncIO community maintains a list of benchmarks on the official wiki: https://github.com/python/asyncio/wiki/Benchmarks
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