Niall's Weblog

Pylons ships with Beaker, which provides some very useful caching functionality. While there are a bunch of ways to use it, I like the handy decorator, @beaker_cache. To use it, simply wrap up your response-generating function call like so:

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from pylons.decorators.cache import beaker_cache
class MyController(BaseController):
# ...
    @beaker_cache(expire=600, type='memory')
    def rss(self):
        ''' generate RSS feed '''
        feed = Atom1Feed(...)
        # do some stuff, like add items to the feed
        response.content_type = 'application/atom+xml'
        return feed.writeString('utf-8')

This will automatically handle caching the output of your rss() method in memory, with a lifetime of 600 seconds (10 minutes).

Of course, there are a number of other parameters supported by @beaker_cache. Read the docs here.