Added to_dict method to ExecutionResult

Author: syrusakbary

graphql/execution/base.py

@@ -10,6 +10,7 @@
     default_resolve_fn,
     get_field_def
 )
+from ..error.format_error import format_error as default_format_error
 
 
 class ExecutionResult(object):
@@ -38,6 +39,19 @@ def __eq__(self, other):
                 self.invalid == other.invalid
             )
         )
+    
+    def to_dict(self, format_error=None, dict_class=dict):
+        if format_error is None:
+            format_error = default_format_error
+
+        response = dict_class()
+        if self.errors:
+            response['errors'] = [format_error(e) for e in self.errors]
+
+        if not self.invalid:
+            response['data'] = self.data
+
+        return response
 
 
 class ResolveInfo(object):