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"""Spawn multiple workers and collect their results.
Demonstrates how to use the eventlet.green.socket module.
"""
from __future__ import print_function
import eventlet
from eventlet.green import socket
def geturl(url):
c = socket.socket()
ip = socket.gethostbyname(url)
c.connect((ip, 80))
print('%s connected' % url)
c.sendall('GET /\r\n\r\n')
return c.recv(1024)
urls = ['www.google.com', 'www.yandex.ru', 'www.python.org']
pile = eventlet.GreenPile()
for x in urls:
pile.spawn(geturl, x)
# note that the pile acts as a collection of return values from the functions
# if any exceptions are raised by the function they'll get raised here
for url, result in zip(urls, pile):
print('%s: %s' % (url, repr(result)[:50]))
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