1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#!/usr/bin/python
"""A web.py application powered by gevent"""
from gevent import monkey; monkey.patch_all()
from gevent.pywsgi import WSGIServer
import time
import web
urls = ("/", "index",
'/long', 'long_polling')
class index:
def GET(self):
return '<html>Hello, world!<br><a href="/long">/long</a></html>'
class long_polling:
# Since gevent's WSGIServer executes each incoming connection in a separate greenlet
# long running requests such as this one don't block one another;
# and thanks to "monkey.patch_all()" statement at the top, thread-local storage used by web.ctx
# becomes greenlet-local storage thus making requests isolated as they should be.
def GET(self):
print 'GET /long'
time.sleep(10) # possible to block the request indefinitely, without harming others
return 'Hello, 10 seconds later'
if __name__ == "__main__":
application = web.application(urls, globals()).wsgifunc()
print 'Serving on 8088...'
WSGIServer(('', 8088), application).serve_forever()
|
