gistfile1.py

# -*- coding: utf-8 -*-

from gevent import monkey
monkey.patch_all()

from gevent.pool import Group
import urllib2

# Estos urls estan en una lista, pero podrias leerlos de un archivo o obtenerlos de cualquier lado
urllist = [
    'http://stackoverflow.com/questions/2397804/java-string-searching-ignoring-accents',
    'http://django.es/blog/lista-de-paises-django-countries/',
    'http://www.ip2location.com/flagsoftheworld.aspx',
]

workers_group = Group()

def save_callback(param):
    print "save_callback ->", "Aqui se guardaria lo que haga falta:", type(param)

def worker(url):
    data = urllib2.urlopen(url)
    print "Worker:", url
    workers_group.spawn(save_callback, data)


for url in urllist:
    workers_group.spawn(worker, url)

workers_group.join()