main.py

#!/usr/bin/env python



import os, json, codecs
import random
import webapp2
import wikipedia
import nltk.data
import jinja2
import logging

import sentence

# directly access the default handler and set its format directly
#logging.getLogger().handlers[0].setFormatter(fr)

logger = logging.getLogger(__name__)

from google.appengine.ext import ndb



JINJA_ENVIRONMENT = jinja2.Environment(
    loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
    extensions=['jinja2.ext.autoescape'],
    autoescape=True)


class MainHandler(webapp2.RequestHandler):

    def get(self):
        random_sentence = sentence.random_sentence()
        template = JINJA_ENVIRONMENT.get_template('index.html')
        self.response.write(template.render(random_sentence))


class JSONHandler(webapp2.RequestHandler):
    def get(self):
        random_sentence = sentence.random_sentence()
        random_sentence['source'] =  'https://en.wikipedia.org/wiki/%s' % random_sentence['title']
        self.response.content_type = 'text/json'
        self.response.write(json.dumps(random_sentence))


class AdminHandler(webapp2.RequestHandler):
    def get(self):
        self.response.content_type = 'text/plain'
        stats = {'total in datastore' : sentence.Article.query().count(),
                 'total >1 access'    : sentence.Article.query(sentence.Article.access_count > 1).count(),
        }

        self.response.write(json.dumps(stats, ensure_ascii = False, indent = 2))


class FHHandler(webapp2.RequestHandler):
    def get(self, error):
        if not error: error = 500
        webapp2.abort(error, detail="as requested.")

app = webapp2.WSGIApplication([
    ('/', MainHandler),
    ('/api', JSONHandler),
    ('/del82_admin', AdminHandler),
    ('/del82_admin/error/(\d+)?', FHHandler)

], debug=False)

def error_404(request, response, exception):
    logger.exception(exception)
    response.set_status(404)
    response.write(open('static/404.html').read())

app.error_handlers[404] = error_404


def error_500(request, response, exception):
    logger.exception(exception)
    response.set_status(500)
    response.write(open('static/500.html').read())

app.error_handlers[500] = error_500


def error_503(request, response, exception):
    logger.exception(exception)
    response.set_status(503)
    response.write(open('static/503.html').read())

app.error_handlers[503] = error_503