EntityTemplate has no property of parent_type

1. EntityTemplate is the parent of NodeTemplate,but there is no definition
of parent_type definition, so the method of is_derived_from will be error
when call the parent_type's method.
2. The bug will submit to openstack community.

Change-Id: If6d360932fd610f001934d23aac63e11ac16fddf
JIRA: PARSER-51
Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

1 files changed, 9 insertions, 0 deletions

diff --git a/tosca2heat/tosca-parser/toscaparser/entity_template.py b/tosca2heat/tosca-parser/toscaparser/entity_template.py
index 281012b..f416c99 100644
--- a/tosca2heat/tosca-parser/toscaparser/entity_template.py
+++ b/tosca2heat/tosca-parser/toscaparser/entity_template.py
@@ -81,6 +81,15 @@ class EntityTemplate(object):
     def type(self):
         if self.type_definition:
             return self.type_definition.type
+        else:
+            return None
+
+    @property
+    def parent_type(self):
+        if self.type_definition:
+            return self.type_definition.parent_type
+        else:
+            return None
 
     @property
     def requirements(self):