formsets.py 文件源码

def management_form(self):
        """Returns the ManagementForm instance for this FormSet."""
        if self.is_bound:
            form = ManagementForm(self.data, auto_id=self.auto_id, prefix=self.prefix)
            if not form.is_valid():
                raise ValidationError(
                    _('ManagementForm data is missing or has been tampered with'),
                    code='missing_management_form',
                )
        else:
            form = ManagementForm(auto_id=self.auto_id, prefix=self.prefix, initial={
                TOTAL_FORM_COUNT: self.total_form_count(),
                INITIAL_FORM_COUNT: self.initial_form_count(),
                MIN_NUM_FORM_COUNT: self.min_num,
                MAX_NUM_FORM_COUNT: self.max_num
            })
        return form