webob_wsgi_comment_form_with_post_handling.py

1from webob import Request, Response, exc
2
3def comment_app(environ, start_response):
4    req = Request(environ)
5    res = Response()
6    res.content_type = 'text/html'
7    
8    # Simple logic to handle a comment form
9    if req.method == 'POST':
10        comment = req.params.get('comment')
11        if comment:
12            # In a real app, you would save this to a database
13            res.body = b'<h1>Thanks for your comment!</h1>'
14        else:
15            res.status = 400
16            res.body = b'<h1>Error: No comment provided</h1>'
17    else:
18        res.body = b'''
19            <form method="POST">
20                <textarea name="comment"></textarea><br>
21                <input type="submit" value="Post Comment">
22            </form>
23        '''
24    
25    return res(environ, start_response)
26
27if __name__ == '__main__':
28    from wsgiref.simple_server import make_server
29    server = make_server('localhost', 8080, comment_app)
30    print("Serving on http://localhost:8080...")
31    server.serve_forever()