ModelForm validation

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.

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