questions_app.py

import time
import os

import cherrypy
import jinja2

from filter_daemon import *

try:
    import json
except:
    import simplejson as json

from simplejson import JSONEncoder
encoder = JSONEncoder()

def jsonify_tool_callback(*args, **kwargs):
    response = cherrypy.response
    response.headers['Content-Type'] = 'application/json'
    response.body = encoder.iterencode(response.body)

cherrypy.tools.jsonify = cherrypy.Tool('before_finalize', jsonify_tool_callback, priority=30) 

root_path = os.path.dirname(__file__)

# jinja2 template renderer
env = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.join(root_path, 'templates')))
def render_template(template,**context):
  global env
  template = env.get_template(template+'.jinja')
  return template.render(context)


class Questions(object):
    _cp_config = { 
            'tools.encode.on':True,
            'tools.encode.encoding':'utf8',
            } 
    
    fr = FilterRedis()

    @cherrypy.expose()
    def index(self):
        tweets =  self.fr.tweets(since=0)
        return render_template('index', tweets=tweets)


    @cherrypy.expose()
    @cherrypy.tools.jsonify()
    def latest(self, since, nt):
        if not since:
            since = 0
        tweets = self.fr.tweets(limit=5, since=float(since))

        return render_template('tweets', tweets=tweets)


if __name__ == '__main__':
    #cherrypy.config.update({'server.socket_host': '0.0.0.0',
    #                           'server.socket_port': 8085})

    cherrypy.quickstart(Questions())