Skip to content
Snippets Groups Projects
Select Git revision
  • main default protected
1 result
Blame Permalink
webserver.py 1.58 KiB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54 






#!/usr/bin/env python3

# install
# pip3 install tornado

# see also
# https://www.tornadoweb.org/en/stable/guide/structure.html

# Tornado web server
import tornado.ioloop
import tornado.web

# General functionalities
import time

class MainHandler(tornado.web.RequestHandler):
    def get(self):

        temperature = 20.0
        humidity = 42.0

        # styles 
        css_text = "<style>\
            table, th, td { border: 2px solid black; padding: 5px; border-spacing: 5px;\
            background-color: #a0c0ff; }\
            </style>"
        
        # table including measured values
        table = "<table>\
                <tr><td>Temperature</td><td>" + "{:.1f} C".format(temperature) + "</td></tr>\
                <tr><td>Humidity</td><td>" + "{:.1f} %".format(humidity) + "</td></tr>\
                </table>"
        
        # last update time
        timeinfo = "<br/> Last update: " + time.strftime("%d.%m.%Y - %H:%M:%S h")
        
        # page content to be displayed 
        html_text = "<!DOCTYPE html><html><head><title>Web Thermo-Hygrometer</title>" + css_text + \
                    "</head><body><h2>Web Thermo-Hygrometer</h2>" + table + timeinfo + "</body></html>"
        
        # write page content
        self.write(html_text)           

# Connect MainHandler to App
def make_app():
    return tornado.web.Application([
        (r"/", MainHandler),
    ])

# Main: let Tornado web server listen on port 8081
if __name__ == "__main__":
    app = make_app()
    app.listen(8081)
    tornado.ioloop.IOLoop.current().start()