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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
from formencode import Invalid, htmlfill, Schema, validators
from WebKit.Page import Page
page_style = '''
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Tell me about yourself</title>
<style type="text/css">
.error {background-color: #ffdddd}
.error-message {border: 2px solid #f00}
</style>
</head>
<body>
<h1>Tell me about yourself</h1>
<p><i>A FormEncode example</i></p>
%s
</body></html>'''
form_template = '''
<form action="" method="POST">
<p>Your name:<br>
<form:error name="name">
<input type="text" name="name"></p>
<p>Your age:<br>
<form:error name="age">
<input type="text" name="age"></p>
<p>Your favorite color:<br>
<form:error name="color">
<input type="checkbox" value="red" name="color"> Red<br>
<input type="checkbox" value="blue" name="color"> Blue<br>
<input type="checkbox" value="black" name="color"> Black<br>
<input type="checkbox" value="green" name="color"> Green<br>
<input type="checkbox" value="pink" name="color"> Pink</p>
<input type="submit" name="_action_save" value="Submit">
</form>'''
response_template = '''
<h2>Hello, %(name)s!</h2>
<p>You are %(age)d years old
and your favorite color is %(color)s.</p>'''
class FormSchema(Schema):
name = validators.String(not_empty=True)
age = validators.Int(min=13, max=99)
color = validators.OneOf(['red', 'blue', 'black', 'green'])
filter_extra_fields = True
allow_extra_fields = True
class index(Page):
def awake(self, trans):
Page.awake(self, trans)
self.rendered_form = None
def actions(self):
return ['save']
def save(self):
fields = self.request().fields()
try:
fields = FormSchema.to_python(fields, self)
except Invalid as e:
errors = {k: v.encode('utf-8')
for k, v in e.unpack_errors().items()}
print("Errors:", errors)
self.rendered_form = htmlfill.render(form_template,
defaults=fields, errors=errors)
self.writeHTML()
else:
self.doAction(fields)
def doAction(self, fields):
print("Fields:", fields)
self.rendered_form = response_template % fields
self.writeHTML()
def writeHTML(self):
if self.rendered_form is None:
self.rendered_form = htmlfill.render(form_template,
defaults=self.getDefaults())
self.write(page_style % self.rendered_form)
def getDefaults(self):
return dict(age='enter your age', color=['blue'])
def preAction(self, trans):
pass
postAction = preAction
|
