Eventlet CouchDb

event_couchdb.py

import StringIO
from eventlet import coros
from eventlet.green import urllib2

class EventCouchDb():
    def __init__(self, url):
        self.url = url
    def fetch(self, url, callback):
        callback.write(urllib2.urlopen(url).read())
    def get(self, callback):
        pool = coros.CoroutinePool(max_size=4)
        waiter = pool.execute(self.fetch, self.url, callback)
        waiter.wait()

if __name__== '__main__':
    resource_url = "http://localhost:5984/unicef-region-data/b0a47e5de8a619ca15f12bb5908d899e"
    curl = EventCouchDb(resource_url)
    callback = StringIO.StringIO()
    curl.get(callback)
    print callback.getvalue()
    callback.close()