Alex And I seem to have been equally unclear :}
I agree that cleaned_data is only available after is_valid() - the point being that your form *will* be valid if you have set the value for that field in a hidden input. I do not see that this can be a "security risk" - the default that you are setting beforehand is a dummy (meaningless) value which, in any case, you are going to be overriding. How is this done? Consider this example from the Django Book (http://www.djangobook.com/en/1.0/chapter07/): def contact(request): if request.method == 'POST': form = ContactForm(request.POST) if form.is_valid(): topic = form.clean_data['topic'] Now if you wanted to overide the topic, you could instead have: topic = 'my custom text' Hope this is clearer! Derek On Dec 29, 4:07 pm, Axel Bock <mr.axel.b...@gmail.com> wrote: > hi derek, > > thanks for your hints - was I really that unclear? hm. > > anyway, could you please give an example about how to "override/check the > value for that field after the form POST"? I don't seem to be able to do > that, and believe me, I have read the docs. > > I think cleaned_data is only available after is_valid() was called, but > is_valid() throws an exception because the required field is missing - and I > can't set it. > > The hidden field thing is the last thing I wanted to try. bad style, you > know :) , cause security risk. > > thanks! > Axel. > > 2010/12/29 derek <gamesb...@gmail.com> > > > > > > > > > Axel > > > Not sure I have followed all your requirements, but perhaps you can > > try: > > * set a default value for the required field > > * mask the required field on the form being shown to the user (make it > > hidden) > > * override/check the value for that field after the form POST and data > > "clean" (see: > >http://docs.djangoproject.com/en/dev/topics/forms/?from=olddocs#proce... > > ) > > > HTH > > Derek > > > On Dec 28, 10:21 pm, Axel Bock <justsomeoneoutth...@gmail.com> wrote: > > > Hi all, > > > > I have this little problem. In my little webapp I have a data model which > > > defines several required fields. Depending on WHO is logged on, some of > > > these fields should not be changed by the user and be pre-filled (or > > better: > > > post-filled) by the application. > > > > Currently I delete the fields out of the formset like this: > > > # prevent entering missions for all other bases > > > del missionform.fields['base'] > > > > so the field gets not rendered in the view. Which works nicely. > > > > Unfortunately base is required, so the validation fails. Now how can I > > > insert the missing values into the POST data? I tried this: > > > if request.user.userflag.is_student: > > > logging.error("studen") > > > inst=FlownMission( > > > student=request.user, > > > base=request.user.studentinfo.current_base > > > ) > > > flownmission = FlownMissionForm(request.POST, instance=inst) > > > > which does not work at all :( . The validation fails all the time ... . I > > > just need to inject 2 required values somewhere in the POST data, but I > > have > > > no clue how. > > > > Any help would be greatly appreciated, and I am a total django "newb" ... > > :) > > > > Thanks & greetings, > > > Axel. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Django users" group. > > To post to this group, send email to django-us...@googlegroups.com. > > To unsubscribe from this group, send email to > > django-users+unsubscr...@googlegroups.com<django-users%2bunsubscr...@google > > groups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/django-users?hl=en. -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
