Allow missing fields in payload when uploading

portal/views/secure/datafile.py

@@ -355,23 +355,25 @@ class DataFileUploadServletView(LoginRequiredMixin, ActivePageViewMixin, CreateV
 
     def form_valid(self, form):
 
+        formcd = form.cleaned_data
+
         uploaded_by = self.request.user.profile
-        if self.request.user.is_staff and form.cleaned_data.get('as_user'):
-            uploaded_by = form.cleaned_data.get('as_user')
+        if self.request.user.is_staff and formcd.get('as_user'):
+            uploaded_by = formcd.get('as_user')
 
         file = DataFile(uploaded_by=uploaded_by,
                         file=self.request.FILES['file'])
 
-        if form.cleaned_data.get('annotations'):
-            file.annotations = form.cleaned_data['annotations']
+        if 'annotations' in formcd and formcd.get('annotations'):
+            file.annotations = formcd['annotations']
 
-        if form.cleaned_data.get('lab'):
-            file.lab = form.cleaned_data['lab']
+        if 'lab' in formcd and formcd.get('lab'):
+            file.lab = formcd['lab']
 
         file.save()
 
-        dataset = form.cleaned_data.get('dataset')
-        if dataset:
+        if 'dataset' in formcd and formcd.get('dataset'):
+            dataset = formcd.get('dataset')
             dataset.files.add(file)
             dataset.save()