Documentation says (http://code.google.com/appengine/docs/java/urlfetch/overview.html#Request_Headers):
These headers are set to accurate values by App Engine, as appropriate
Does the value for X-Forwarded-For included some identity of the gae application?
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How would you query Picasa from a Google App Engine app? Data API or Url Fetch? What are the pros and cons of using either method?
[Edit]
I would like to be able to query a specific album in Picasa and list all the photos in it.
Code examples to do this in python are much appreciated.
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Are there any Clojure http libraries that use the java.net.URLConnection class? Reason I'm asking is because that's the only accepted way to make http connections on Google App Engine, according to the docs.
I'm currently using com.twinql.clojure.http for my GET requests, but I don't think that uses the right interface because I'm getti...