queshuns/questions_app.py at master · bulkan/queshuns · GitHub

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import time
import json
import os

import cherrypy
import jinja2

from filter_daemon import *

encoder = json.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+'.html')
  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('queshuns', tweets=tweets)

    @cherrypy.expose()
    @cherrypy.tools.jsonify()
    def latest(self, since, nt):
        cherrypy.response.headers['Expires'] = 'Sun, 19 Nov 1978 05:00:00 GMT'
        cherrypy.response.headers['Cache-Control'] = 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
        cherrypy.response.headers['Pragma'] = 'no-cache'
        #cherrypy.response.headers['Content-Type'] = "application/json"

        since = 0 if not since else since
        tweets = self.fr.tweets(limit=5, since=float(since))

        return render_template('tweets', tweets=tweets)


if __name__ == '__main__':
    current_dir = os.path.dirname(os.path.abspath(__file__))
    cherrypy.config.update({
        'server.socket_host': '0.0.0.0',
        'server.socket_port': 8000,
        'environment': 'production',
        'log.screen': True,
        'show_tracebacks': True,
        'log.error_file': 'site.log',
    })

    conf = { '/newdesign': {
        'tools.staticdir.on': True,
        'tools.staticdir.dir': os.path.join(current_dir, 'newdesign')
        }
    }

    #engine = cherrypy.engine
    #from cherrypy.process import plugins, servers
    #cherrypy.config.update({'log.screen': False})
    #plugins.Daemonizer(engine).subscribe()

    #engine.start()
    cherrypy.quickstart(Questions(), '/', config=conf)