[Patchew-devel] [PATCH] rest: the "data" field of results might not be there

[Paolo Bonzini]

For PATCH requests, for example, the user might be changing other fields
only.  Check whether the field is there before accessing it.

Signed-off-by: Paolo Bonzini <pbonzini at redhat.com>
---
 api/rest.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/api/rest.py b/api/rest.py
index 573cbf1..041e82d 100644
--- a/api/rest.py
+++ b/api/rest.py
@@ -552,9 +552,10 @@ class ResultSerializer(serializers.ModelSerializer):
         return obj.get_log_url(request)
 
     def validate(self, data):
-        data_serializer_class = self.context['renderer'].result_data_serializer_class
-        data_serializer_class(data=data['data'],
-                              context=self.context).is_valid(raise_exception=True)
+        if 'data' in data:
+            data_serializer_class = self.context['renderer'].result_data_serializer_class
+            data_serializer_class(data=data['data'],
+                                  context=self.context).is_valid(raise_exception=True)
         return data
 
 
-- 
2.19.1