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Description:

guv 0.35.2

Documentation:
http://guv.readthedocs.org/

Source:
http://github.com/veegee/guv

Keywords:
guv, greenlet, gevent, eventlet

About
guv is a fast networking library and WSGI server (like gevent/eventlet) for
Python >= 3.2 and pypy3
The event loop backend is pyuv_cffi, which aims to be fully compatible with the
pyuv interface. pyuv_cffi is fully supported on CPython and pypy3. libuv
>= 1.0.0 is required.
Asynchronous DNS queries are supported via dnspython3. To forcefully disable
greendns, set the environment variable GUV_NO_GREENDNS to any value.
guv currently only runs on POSIX-compliant operating systems, but Windows
support is not far off and can be added in the near future if there is a demand
for this.
This library is actively maintained and has a zero bug policy. Please submit
issues and pull requests, and bugs will be fixed immediately.
This project is under active development and any help is appreciated.

Quickstart
Since guv is currently in alpha release state and under active development, it
is recommended to pull often and install manually:
git clone https://github.com/veegee/guv.git
cd guv
python setup.py install
Note: libuv >= 1.0.0 is required. This is the first stable version but is a
recent release and may not be available in Debian/Ubuntu stable repositories, so
you must compile and install manually.

Serve your WSGI app using guv directly
import guv; guv.monkey_patch()
import guv.wsgi

app = <your WSGI app>

if __name__ == '__main__':
server_sock = guv.listen(('0.0.0.0', 8001))
guv.wsgi.serve(server_sock, app)

Serve your WSGI app using guv with gunicorn
gunicorn -w 4 -b 127.0.0.1:8001 -k guv.GuvWorker wsgi_app:app
Note: you can use wrk to benchmark the performance of guv.

Crawl the web: efficiently make multiple “simultaneous” requests
import guv; guv.monkey_patch()
import requests

def get_url(url):
print('get_url({})'.format(url))
return requests.get(url)

def main():
urls = ['http://gnu.org'] * 10
urls += ['https://eff.org'] * 10

pool = guv.GreenPool()
results = pool.starmap(get_url, zip(urls))

for i, resp in enumerate(results):
print('{}: done, length: {}'.format(i, len(resp.text)))

if __name__ == '__main__':
main()

Guarantees
This library makes the following guarantees:

Semantic versioning is strictly followed
Compatible with Python >= 3.2.0 and PyPy3 >= 2.3.1 (Python 3.2.5)