Answering to myself,
I got it to work with assigning to the 'fields' and 'initial'
attributes of the instantiated form. Again, I feel that this is a kind
of hack and may not work with future versions of Django.
Marc
On Aug 20, 11:03 am, mettwoch <mettw...@pt.lu> wrote:
> Hi,
>
> I'd like to dynamically construct a form. Is there a way to do
> something like this ...
>
> from django import forms
>
> my_form = forms.Form()
>
> ... and then add fields to my_form possibly along with their value.
>
> I've tried to add the fields directly to the fields dictionary and
> values to the data dictionary of the my_form instance, but I feel
> that's not the right way to do it.
>
> The need for this arises from the wish to allow people to edit a text
> field in a structured way and thus avoiding that the fields structure
> is messed up. The text field contains a varying number of lines in the
> form 'field: value' and instead of letting people edit the text field
> directly, giving them a form that is dynamically constructed from the
> text field with a simple algorithm:
>
> for line in text_field.splitlines():
> field_name, sep, field_value = line.partition(':')
> my_form.add_field(field=forms.CharField(name=field_name,
> value=field_value))
>
> The algorithm shows a fictive add_field function and instantiates the
> CharField with fictive arguments.
>
> When getting back the POST it's easy also to reconstruct the text
> field with the posted values.
>
> Any ideas?
>
> Kindly Yours
> Marc
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