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Latest commit 8ddc3e2 Aug 21, 2013 @simonrad simonrad Update readme
Failed to load latest commit information. Make sure we are on the master greenlet before we switch. Sep 15, 2012 Update readme Aug 21, 2013


An easy way to seamlessly use Greenlet with Tornado.

This allows you to write code as if it were synchronous, and not worry about callbacks at all. You also don't have to use any special patterns, such as writing everything as a generator.

Overall this allows you to structure your program in a much more sensible, straightforward way. It's also immensely helpful when porting synchronous code to Tornado.

Derived from this blog article:

Example Usage:

import tornado.web
from greenlet_tornado import greenlet_asynchronous, greenlet_fetch

class ExampleHandler(tornado.web.RequestHandler):
    def get(self):
        # ...
        # ...
        self.write("Hello World!")

    def helper(self):
        # Fetch something. greenlet_fetch() will block until the request is complete,
        # but the tornado IOLoop can do other things in the meantime.
        http_response = greenlet_fetch("")
        # ... Do something with the response ...
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