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POSet form field value before is_valid()
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17304148
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2013-06-25T17:50:15.527
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2018-05-20T08:11:12.323
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text
Body
<p>I'm having a bit of trouble grasping how to do this. I've put my best effort into searching Google without any luck.</p> <p>I'll start with a bit of code and explain what I'm trying to do as I go:</p> <h1>models.py</h1> <pre><code>class Action(models.Model): title = models.CharField(max_length=200) owner = models.ForeignKey(User, related_name='actions') created_by = models.ForeignKey(User, related_name='+', editable=False) modified_by = models.ForeignKey(User, related_name='+', editable=False) class ActionForm(ModelForm): class Meta: model = Action </code></pre> <h1>views.py</h1> <p>By default, there is a dropdown field for owner. I have an icon that allows the user to enter a new username in a text field instead for owner. I check to see if <code>owner_new</code> was submitted and if so, create that user. I then need to set the <code>owner</code> field to that value so that <code>form.is_valid()</code> will be true.</p> <pre><code>def action_create(request): if request.method == 'POST': form = ActionForm(request.POST) # check if new user should be created if 'owner_new' in request.POST: # check if user already exists user = User.objects.get(username=request.POST.get('owner_new')) if not user: user = User.objects.create_user(request.POST.get('owner_new')) # HERE IS WHERE I'M STUMPED form.owner = user.id if form.is_valid(): # THIS FAILS BECAUSE form.owner ISN'T SET action = form.save(commit=False) action.created_by = request.user action.modified_by = request.user action.save() return redirect('action_register:index') else: form = ActionForm() return render(request, 'actions/create.html', {'form': form}) </code></pre>
Tags
<django><django-forms>
Title
Set form field value before is_valid()
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