Verifying number of forms in inline formset
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Michael Stevens
Mar 5, 2012, 1:42:41 PM3/5/12
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Hi.
I've got a django app using an inline formset.
It was all working nicely, but I want to add some validation such that the inline formset must contain at least one valid record. This seems to be surprisingly hard to do.
I've tried overriding clean() on the formset and looking at things like self.form, is_valid(), and so on, but I can't work out anything that will let me know the number of database records that will be present when the formset is saved.
Am I missing anything obvious? How could I do this?
I've got a django app using an inline formset.
It was all working nicely, but I want to add some validation such that the inline formset must contain at least one valid record. This seems to be surprisingly hard to do.
I've tried overriding clean() on the formset and looking at things like self.form, is_valid(), and so on, but I can't work out anything that will let me know the number of database records that will be present when the formset is saved.
Am I missing anything obvious? How could I do this?
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