python - Django form to update an object doesn't keep files -


so i'm working on portfolio site, , i've got form called work represents works in portfolio. work has m2m field normal images, , 1 imagefield main image used thumbnails etc.

my problem following, when go update view created work, old image (that in database) listed in form, no in field itself. says current: [name of image], , regular filefield label edit.

i don't want user able update work if upload image again. how pass current image form?

#models.py class work(models.model):     name = models.charfield(max_length=255)      image = models.imagefield( upload_to="images" )  #forms.py class meta:     model = work     exclude = ('slug',)  #views.py def workedit(request, pk):      if request.method == "post":         form = workform(request.post, request.files)          if form.is_valid():             new_work = form.save(commit=true)             return redirect("/portfolio/beheer/werk")     else:         print(form)         print(form.errors)     else:         work = get_object_or_404(work, pk=pk)         form = workform(request.post ,request.files, instance=work)    context = {      'form': form,  } return render(request, 'submit.html', context)


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