How do I parse uri?

For the uri http://foo.com/apple/123

I want to get '123'.

According to the GAE documentation I can get the uri using self.request.ge开发者_运维技巧t(), however is there a helper for just grabbing the sections of the uri?

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Yes there is - the urlparse module that comes with Python. The ParseResult that you get back will strip off the host/protocol and such in a nice way, and then you can just use str's split() to split on the path separator.

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If you're using webapp, you can 'capture' parts of the regular expression that matches your handler, and they'll be passed to your handler as arguments. For example:

class FooHandler(webapp.RequestHandler):
  def get(self, fruit, number):
    # Do something with your fruit and number (which are both strings, remember!)


application = webapp.WSGIApplication([
    ('/([^/]+)/(\d+)', FooHandler),
])