GetHNLatestHandler.py

#!/usr/bin/env python
#
# Hacker News Droid API: returns latest stories in JSON or XML using HTML Parser
# Gleb Popov. September 2011
#

import os
from google.appengine.ext import webapp
import Formatter
import GAHelper
import APIContent


class HackerNewsLatestPageHandler(webapp.RequestHandler):

    # controller main entry
    def get(self, format='json', limit=1):
        #set content-type
        self.response.headers['Content-Type'] = Formatter.contentType(format)

        referer = ''
        if ('HTTP_REFERER' in os.environ):
            referer = os.environ['HTTP_REFERER']

        returnData = APIContent.getHackerNewsLatestContent('', format, self.request.url, referer, self.request.remote_addr, limit)

        #track this request
        GAHelper.trackGARequests('/latest', self.request.remote_addr, referer)

        if (not returnData):
            returnData = ''

        #output to the browser
        self.response.out.write(Formatter.dataWrapper(format, returnData, self.request.get('callback')))