The errors for an individual field are inserted just after the field:
>>> from web import form
>>> f = form.Form(form.Textbox('username', form.regexp("^[A-Za-z0-9]*$",
'Username must contain only letters and numbers')
>>> f1 = f()
>>> f1.validates(username='b123')
True
>>> f1.valid
True
>>> f1.render()
u'<table>\n <tr><th><label
for="username">username</label></th><td><input type="text" id="username"
value="b123" name="username"/></td></tr>\n</table>'
>>> f2 = f()
>>> f2.validates(username='b_123')
False
>>> f2.valid
False
>>> f2.render()
u'<table>\n <tr><th><label
for="username">username</label></th><td><input type="text" id="username"
value="b_123" name="username"/><strong class="wrong">Username must contain
only letters and numbers</strong></td></tr>\n</table>'
I am wondering if you want your username field to always contain at least
one letter or number? If so, you should change the '*' to a '+'.
-Jim
On Thursday, October 3, 2013 6:37:46 PM UTC-5, pip wrote:
>
> I'm facing an issue, not a big one mind you - the regexp/validator error
> is not shown.
>
> Lets say for example:
>
> form.Textbox("username", form.regexp("^[A-Za-z0-9]*$", 'Username must
> contain only letters and numbers')
>
> That does work, but the error is never shown.
>
> In the template:
>
> $if not form.valid:
> <p class="error">
> Try again!
> </p>
>
> Is there a specific way to access these errors? Due to lack of
> documentation I assumed it would be magic - its not a big problem not
> having the specific error given to a user and I can even come up with my
> own way to get around it but it would be nice to use the built in errors.
> Or are they simply internal?
>
> Thanks.
>
>
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