Merge pull request #55432 from Akm0d/yaml_null_dumper

Null yaml dumper for threadsafe loader
saltstack · Nov 27, 2019 · af793a2 · af793a2
2 parents 68d006e + 22f83dc
commit af793a2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/salt/utils/yamldumper.py b/salt/utils/yamldumper.py
@@ -59,8 +59,13 @@ def represent_ordereddict(dumper, data):
     return dumper.represent_dict(list(data.items()))
 
 
+def represent_undefined(dumper, data):
+    return dumper.represent_scalar(u'tag:yaml.org,2002:null', u'NULL')
+
+
 OrderedDumper.add_representer(OrderedDict, represent_ordereddict)
 SafeOrderedDumper.add_representer(OrderedDict, represent_ordereddict)
+SafeOrderedDumper.add_representer(None, represent_undefined)
 
 OrderedDumper.add_representer(
     collections.defaultdict,