pool = evy.GreenPool()
def fetch_title (url):
d = feedparser.parse(url)
return d.feed.get('title', '')
def app (environ, start_response):
if environ['REQUEST_METHOD'] != 'POST':
start_response('403 Forbidden', [])
return []
# the pile collects the result of a concurrent operation -- in this case,
# the collection of feed titles
pile = evy.GreenPile(pool)
for line in environ['wsgi.input'].readlines():
url = line.strip()
if url:
pile.spawn(fetch_title, url)
# since the pile is an iterator over the results,
# you can use it in all sorts of great Pythonic ways
titles = '\n'.join(pile)
start_response('200 OK', [('Content-type', 'text/plain')])
return [titles]
if __name__ == '__main__':
from evy import wsgi
wsgi.server(evy.listen(('localhost', 9010)), app)
if __name__ == "__main__":
usage = 'usage: websocket_chat -p pub address -s sub address port number'
if len(sys.argv) != 6:
print usage
sys.exit(1)
pub_addr = sys.argv[2]
sub_addr = sys.argv[4]
try:
port = int(sys.argv[5])
except ValueError:
print "Error port supplied couldn't be converted to int\n", usage
sys.exit(1)
try:
pub_socket = ctx.socket(zmq.PUB)
pub_socket.connect(pub_addr)
print "Publishing to %s" % pub_addr
sub_socket = ctx.socket(zmq.SUB)
sub_socket.connect(sub_addr)
sub_socket.setsockopt(zmq.SUBSCRIBE, "")
print "Subscribing to %s" % sub_addr
except:
print "Couldn't create sockets\n", usage
sys.exit(1)
spawn_n(subscribe_and_distribute, sub_socket)
listener = evy.listen(('127.0.0.1', port))
print "\nVisit http://localhost:%s/ in your websocket-capable browser.\n" % port
wsgi.server(listener, dispatch)
def fetch_title(url):
d = feedparser.parse(url)
return d.feed.get('title', '')
def app(environ, start_response):
if environ['REQUEST_METHOD'] != 'POST':
start_response('403 Forbidden', [])
return []
# the pile collects the result of a concurrent operation -- in this case,
# the collection of feed titles
pile = evy.GreenPile(pool)
for line in environ['wsgi.input'].readlines():
url = line.strip()
if url:
pile.spawn(fetch_title, url)
# since the pile is an iterator over the results,
# you can use it in all sorts of great Pythonic ways
titles = '\n'.join(pile)
start_response('200 OK', [('Content-type', 'text/plain')])
return [titles]
if __name__ == '__main__':
from evy import wsgi
wsgi.server(evy.listen(('localhost', 9010)), app)
if __name__ == "__main__":
usage = 'usage: websocket_chat -p pub address -s sub address port number'
if len(sys.argv) != 6:
print usage
sys.exit(1)
pub_addr = sys.argv[2]
sub_addr = sys.argv[4]
try:
port = int(sys.argv[5])
except ValueError:
print "Error port supplied couldn't be converted to int\n", usage
sys.exit(1)
try:
pub_socket = ctx.socket(zmq.PUB)
pub_socket.connect(pub_addr)
print "Publishing to %s" % pub_addr
sub_socket = ctx.socket(zmq.SUB)
sub_socket.connect(sub_addr)
sub_socket.setsockopt(zmq.SUBSCRIBE, "")
print "Subscribing to %s" % sub_addr
except:
print "Couldn't create sockets\n", usage
sys.exit(1)
spawn_n(subscribe_and_distribute, sub_socket)
listener = evy.listen(('127.0.0.1', port))
print "\nVisit http://localhost:%s/ in your websocket-capable browser.\n" % port
wsgi.server(listener, dispatch)
