==================================
.. image:: https://raw.githubusercontent.com/aio-libs/aiohttp/master/docs/aiohttp-plain.svg :height: 64px :width: 64px :alt: aiohttp logo
|
.. image:: https://github.com/aio-libs/aiohttp/workflows/CI/badge.svg :target: https://github.com/aio-libs/aiohttp/actions?query=workflow%3ACI :alt: GitHub Actions status for master branch
.. image:: https://codecov.io/gh/aio-libs/aiohttp/branch/master/graph/badge.svg :target: https://codecov.io/gh/aio-libs/aiohttp :alt: codecov.io status for master branch
.. image:: https://badge.fury.io/py/aiohttp.svg :target: https://pypi.org/project/aiohttp :alt: Latest PyPI package version
.. image:: https://readthedocs.org/projects/aiohttp/badge/?version=latest :target: https://docs.aiohttp.org/ :alt: Latest Read The Docs
.. image:: https://img.shields.io/discourse/status?server=https%3A%2F%2Faio-libs.discourse.group :target: https://aio-libs.discourse.group :alt: Discourse status
.. image:: https://badges.gitter.im/Join%20Chat.svg :target: https://gitter.im/aio-libs/Lobby :alt: Chat on Gitter
To get something from the web:
.. code-block:: python
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:
.. code-block::
Status: 200
Content-type: text/html; charset=utf-8
Body: <!doctype html> ...
Coming from requests <https://requests.readthedocs.io/>_ ? Read why we need so many lines <https://aiohttp.readthedocs.io/en/latest/http_request_lifecycle.html>_.
An example using a simple server:
.. code-block:: python
# 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
Third party libraries
<http://aiohttp.readthedocs.io/en/latest/third_party.html>_Built with aiohttp
<http://aiohttp.readthedocs.io/en/latest/built_with.html>_Powered by aiohttp
<http://aiohttp.readthedocs.io/en/latest/powered_by.html>_Feel free to make a Pull Request for adding your link to these pages!
aio-libs discourse group: https://aio-libs.discourse.group
gitter chat https://gitter.im/aio-libs/Lobby
We support Stack Overflow
<https://stackoverflow.com/questions/tagged/aiohttp>_.
Please add aiohttp tag to your question there.
Optionally you may install the cChardet_ and aiodns_ libraries (highly recommended for sake of speed).
.. charset-normalizer: https://pypi.org/project/charset-normalizer .. _aiodns: https://pypi.python.org/pypi/aiodns .. _attrs: https://github.com/python-attrs/attrs .. _multidict: https://pypi.python.org/pypi/multidict .. _frozenlist: https://pypi.org/project/frozenlist/ .. _yarl: https://pypi.python.org/pypi/yarl .. _async-timeout: https://pypi.python.org/pypi/asynctimeout .. _cChardet: https://pypi.python.org/pypi/cchardet
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