Added README.rst to examples/eventlet

examples/eventlet/README.rst

@@ -0,0 +1,59 @@
+==================================
+  Example using the Eventlet Pool
+==================================
+
+Introduction
+============
+
+This is a Celery application containing two example tasks.
+
+First you need to install Eventlet, and also recommended is the `dnspython`
+module (when this is installed all name lookups will be asynchronous)::
+
+    $ pip install eventlet
+    $ pip install dnspython
+
+Before you run any of the example tasks you need to start celeryd::
+
+    $ cd examples/eventlet
+    $ celeryd -l info --concurrency=500 --pool=eventlet
+
+As usual you need to have RabbitMQ running, see the Celery getting started
+guide if you haven't installed it yet.
+
+Tasks
+=====
+
+* `tasks.urlopen`
+
+This task simply makes a request opening the URL and returns the size
+of the response body::
+
+    $ cd examples/eventlet
+    $ python
+    >>> from tasks import urlopen
+    >>> urlopen.delay("http://www.google.com/").get()
+    9980
+
+To open several URLs at once you can do:
+
+    $ cd examples/eventlet
+    $ python
+    >>> from tasks import urlopen
+    >>> from celery.task.sets import TaskSet
+    >>> result = TaskSet(urlopen.subtask((url, ))
+    ...                     for url in LIST_OF_URLS).apply_async()
+    >>> for incoming_result in result.iter_native():
+    ...     print(incoming_result, )
+
+* `webcrawler.crawl`
+
+This is a simple recursive web crawler.  It will only crawl
+URLs for the current host name.  Please see comments in the
+:file:`webcrawler.py` file.
+
+
+
+
+
+

examples/eventlet/tasks.py

@@ -2,13 +2,11 @@ from celery.decorators import task
 from eventlet.green import urllib2
 
 
-@task(ignore_result=True)
+@task
 def urlopen(url):
     print("Opening: %r" % (url, ))
     try:
         body = urllib2.urlopen(url).read()
     except Exception, exc:
-        print("Exception for %r: %r" % (url, exc, ))
-        return url, 0
-    print("Done with: %r" % (url, ))
-    return url, 1
+        print("URL %r gave error: %r" % (url, exc))
+    return len(body)