On Thu, 2008-02-14 at 10:20 -0800, robstar wrote:
[...]
> I'm not really sure how to process this list in the template.. or how
> it gets stored for the correct field. Suppose I have this code in
> clean():
>
> rc = 0
> if 'captcha' in self.cleaned_data:
> if not self.cleaned_data['imghash'] == sha.new(SALT
> +self.cleaned_data['captcha']).hexdigest():
> error_list.append("Captcha error!")
> rc = 1
> raise forms.ValidationError(_(u'CAPTCHA error!'))
>
>
> if 'password1' in self.cleaned_data and 'password2' in
> self.cleaned_data:
> if self.cleaned_data['password1'] !=
> self.cleaned_data['password2']:
> error_list.append("Password mismatch!")
> rc = 1
> raise forms.ValidationError(_(u'You must type the same
> password each time'))
>
> if rc:
> raise forms.ValidationError(error_list)
>
> return self.cleaned_data
>
> How does this function know to associate 'Captcha error' with
> captcha ? and how do I reference it in the template?
Any ValidationErrors raised by Form.clean() (or a method with the same
name in a subclass) are put into the special "all" part of the error
dictionary. This means they aren't associated with any particular field.
If you want to associate them with a field inside of Form.clean(),
you're going to have to manually modify self._errors (where "self" is
your Form subclass), rather than raising ValidationError. That's the
only way you can put an error against two fields simultaneously if you
really want to go down that path.
As to how to work with the errors dictionary once it exists, have a
search for the word "errors" in the newforms documentation. Also realise
that if you're using something like form.as_p in your template, that
will automatically put the error for field FOO alongside field FOO when
it prints the form.
Malcolm
--
A conclusion is the place where you got tired of thinking.
http://www.pointy-stick.com/blog/
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