Fix form rendering; enable toggling of redirect to imported object

netbox/dcim/forms.py

@@ -941,7 +941,7 @@ class RearPortTemplateImportForm(ComponentTemplateImportForm):
         ]
 
 
-class DeviceTypeImportForm(forms.ModelForm):
+class DeviceTypeImportForm(BootstrapMixin, forms.ModelForm):
     manufacturer = forms.ModelChoiceField(
         queryset=Manufacturer.objects.all(),
         to_field_name='name'

netbox/templates/utilities/obj_import.html

@@ -15,12 +15,13 @@
                 </div>
             </div>
         {% endif %}
-		<form action="" method="post" class="form">
+		<form action="" method="post" class="form form-horizontal">
 		    {% csrf_token %}
 		    {% render_form form %}
             <div class="form-group">
                 <div class="col-md-12 text-right">
-		            <button type="submit" class="btn btn-primary">Submit</button>
+                    <button type="submit" name="_create" class="btn btn-primary">Submit</button>
+                    <button type="submit" name="_addanother" class="btn btn-primary">Submit and Import Another</button>
 		            {% if return_url %}
                         <a href="{{ return_url }}" class="btn btn-default">Cancel</a>
                     {% endif %}

netbox/utilities/views.py

@@ -440,7 +440,15 @@ class ObjectImportView(GetReturnURLMixin, View):
                 messages.success(request, mark_safe('Imported object: <a href="{}">{}</a>'.format(
                     obj.get_absolute_url(), obj
                 )))
-                return redirect(self.get_return_url(request))
+
+                if '_addanother' in request.POST:
+                    return redirect(request.get_full_path())
+
+                return_url = form.cleaned_data.get('return_url')
+                if return_url is not None and is_safe_url(url=return_url, allowed_hosts=request.get_host()):
+                    return redirect(return_url)
+                else:
+                    return redirect(self.get_return_url(request, obj))
 
             else:
                 # Replicate model form errors for display