This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Project Description

asyncwsgi is a simple package for tornado and asyncio(WIP) to enable the use of the WSGI interface asynchronously. Behind the scenes greenlet is used to pause and resume each request.


  1. Decorate functions that require async with asyncwsgi.coroutine
  2. Use asyncwsgi.wrap to wrap the WSGI container.
  3. Run the event loop using



def my_view(request):
    http_client = AsyncHTTPClient()
    response = yield http_client.fetch('')
    return render(request, 'my_view.html', {'code': response.code})

# Patch django to run on tornado's event loop
def run(host, port, app, **options):
    container = asyncwsgi.wrap(WSGIContainer(app))
    http_server = HTTPServer(container)
    http_server.listen(port, host)

if __name__ == "__main__":
    from import runserver = run


import asyncwsgi
import bottle
from tornado.httpclient import AsyncHTTPClient
from tornado.wsgi import WSGIContainer
from tornado.httpserver import HTTPServer
from tornado.ioloop import IOLoop

def index():
    http_client = AsyncHTTPClient()
    response = yield http_client.fetch('')
    return 'Status: %d' % response.code

container = asyncwsgi.wrap(WSGIContainer(bottle.default_app()))
http_server = HTTPServer(container)


pip install asyncwsgi


  • asyncio not fully supported


MIT licensed. See LICENSE for details.

Release History

Release History


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TODO: Figure out how to actually get changelog content.

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