1 import web
 2 from web import form
 3  
 4 render = web.template.render(‘templates/‘)
 5  
 6 urls = (‘/‘, ‘index‘)
 7 app = web.application(urls, globals())
 8  
 9 myform = form.Form( 
10     form.Textbox("boe"), 
11     form.Textbox("bax", 
12         form.notnull,
13         form.regexp(‘\d+‘, ‘Must be a digit‘),
14         form.Validator(‘Must be more than 5‘, lambda x:int(x)>5)),
15     form.Textarea(‘moe‘),
16     form.Checkbox(‘curly‘), 
17     form.Dropdown(‘french‘, [‘mustard‘, ‘fries‘, ‘wine‘])) 
18  
19 class index: 
20     def GET(self): 
21         form = myform()
22         # make sure you create a copy of the form by calling it (line above)
23         # Otherwise changes will appear globally
24         print(form.render())
25         return render.formtest(form)
26  
27     def POST(self): 
28         form = myform() 
29         if not form.validates(): 
30             print(form.render())
31             return render.formtest(form)
32         else:
33             # form.d.boe and form[‘boe‘].value are equivalent ways of
34             # extracting the validated arguments from the form.
35             return "Grrreat success! boe: %s, bax: %s" % (form.d.boe, form[‘bax‘].value)
36  
37 if __name__=="__main__":
38     web.internalerror = web.debugerror
39     app.run()

1 $def with (form)
2  
3 <div align="center">
4 <form name="main" method="post"> 
5 $if not form.valid: <p class="error">Try again, AmeriCAN:</p>
6 $:form.render()
7 <input type="submit" />
8 </form>
9 <div>