Added EXT_SHOW_ERROR_MESSAGE_HANDLER setting variable

Author: mongkok

graphql_extensions/settings.py

@@ -3,6 +3,16 @@
 from django.conf import settings
 from django.test.signals import setting_changed
 
+DEFAULTS = {
+    'EXT_SHOW_ERROR_MESSAGE_HANDLER':
+    'graphql_extensions.views.show_error_message',
+}
+
+IMPORT_STRINGS = (
+    'EXT_SHOW_ERROR_MESSAGE_HANDLER',
+)
+
+
 def perform_import(value, setting_name):
     if value is not None and isinstance(value, str):
         return import_from_string(value, setting_name)

graphql_extensions/views.py

@@ -11,6 +11,14 @@
 from graphql.error.located_error import GraphQLLocatedError
 
 from . import exceptions
+from .settings import extensions_settings
+
+
+def show_error_message(error):
+    return settings.DEBUG or isinstance(error, (
+        exceptions.GraphQLError,
+        GraphQLError,
+    ))
 
 
 class GraphQLView(BaseGraphQLView):
@@ -23,10 +31,7 @@ def format_error(error):
         formatted_error = format_graphql_error(error)
         graphql_error = OrderedDict([('type', error.__class__.__name__)])
 
-        if settings.DEBUG or isinstance(error, (
-            exceptions.GraphQLError,
-            GraphQLError,
-        )):
+        if extensions_settings.EXT_SHOW_ERROR_MESSAGE_HANDLER(error):
             graphql_error['message'] = formatted_error['message']
         else:
             # Internal errors must be masked