from __future__ import print_function
import os.path
import tornado.web
import tornado.httpserver
import tornado.ioloop
from random import randrange

class Application(tornado.web.Application):
    def __init__(self):
        handlers = [
              (r"/", MainHandler),
              (r"/static/(.*)", StaticHandler),
          ]
        settings = dict(
            template_path=os.path.join(os.path.dirname(__file__), "templates"),
            static_path=os.path.join(os.path.dirname(__file__), "static"),
            debug=True,
            autoescape=None
        )
        tornado.web.Application.__init__(self, handlers, **settings)

class MainHandler(tornado.web.RequestHandler):
    #called every time someone sends a GET HTTP request
    @tornado.web.asynchronous
    def get(self):
        self.render(
            "index.html",
            test = randrange(1, 1000),
        )

# deliver static files to page
class StaticHandler(tornado.web.RequestHandler):
    def get(self, filename):
        with open("static/" + filename, "r") as fh:
            self.file = fh.read()
        # write to page
        if filename.endswith(".css"):
            self.set_header("Content-Type", "text/css")
        elif filename.endswith(".js"):
            self.set_header("Content-Type", "text/javascript")
        elif filename.endswith(".png"):
            self.set_header("Content-Type", "image/png")
        self.write(self.file)

try:
    http_server = tornado.httpserver.HTTPServer(Application())
    http_server.listen(8080)
    tornado.ioloop.IOLoop.instance().start()
except (KeyboardInterrupt, SystemExit):
     print("\nQuit\n")