Re: Accessing model field validators from within form template

Please see below.

> Why do you use MaxLengthValidator instead of max_length property?

max_length does not work for models.TextField

> What are you using those values for? Couldn't it be a possibility to
> use help_text attribute?

It won't be DRY to repeat the value both as a parameter to the
validator and in the help text. I would like to display the max length
value using a generic template.

Cheers,
omat

> On Aug 18, 3:41 pm, omat <o...@gezgin.com> wrote:
>
>
>
> > Hi,
>
> > In my generic form template, if a CharField has a max_length
> > attribute, I display that beside the form field:
>
> > {% if field.field.max_length %}
> >     Max. {{ field.field.max_length }} char.
> > {% endif %}
>
> > I want to do the same for TextFields, where max_length is not used,
> > but the max limit is set by a validator like that in the model:
>
> > class Entry(models.Model):
> >     ...
> >     body = models.TextField(validators=[MaxLengthValidator(1000)])
>
> > For ModelForm, is it possible to access the validators' max value from
> > within the templates similar to this:
>
> > {{ field.validators[0].max_length }}
>
> > Cheers,
> > omat

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