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import gevent
import gevent.socket
import sys
import uwsgi
from uwsgidecorators import timer, signal, filemon
if 'gettotalrefcount' in sys.__dict__:
REFCNT = True
else:
REFCNT = False
@signal(17)
def hello(signum):
print("hello i am signal %d, i am here because the background job is finished" % signum)
if REFCNT:
print(sys.gettotalrefcount())
@timer(10)
def ten_seconds(signum):
print("10 seconds elapsed, signal %d raised" % signum)
if REFCNT:
print(sys.gettotalrefcount())
@filemon('/tmp')
def tmp_modified(signum):
print("/tmp has been touched, i am the greenlet %s running on worker %d" % (gevent.getcurrent(), uwsgi.worker_id()))
if REFCNT:
print(sys.gettotalrefcount())
def bg_task():
for i in range(1, 10):
print("background task", i)
gevent.sleep(1)
# task ended raise a signal !!!
uwsgi.signal(17)
def long_task():
for i in range(1, 10):
print(i)
gevent.sleep()
def application(e, sr):
sr('200 OK', [('Content-Type', 'text/html')])
t = gevent.spawn(long_task)
t.join()
yield "sleeping for 3 seconds...<br/>"
gevent.sleep(3)
yield "done<br>"
yield "getting some ips...<br/>"
urls = ['www.google.com', 'www.example.com', 'www.python.org', 'projects.unbit.it']
jobs = [gevent.spawn(gevent.socket.gethostbyname, url) for url in urls]
gevent.joinall(jobs, timeout=2)
for j in jobs:
yield "ip = %s<br/>" % j.value
if REFCNT:
print(sys.gettotalrefcount())
yield "%d" % sys.gettotalrefcount()
# this task will goes on after request end
gevent.spawn(bg_task)
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