1 files changed, 33 insertions, 0 deletions
diff --git a/catalog/pub/utils/toscaparser/dataentityext.py b/catalog/pub/utils/toscaparser/dataentityext.py
new file mode 100644
index 0000000..825e93b
--- /dev/null
+++ b/catalog/pub/utils/toscaparser/dataentityext.py
@@ -0,0 +1,33 @@
+# Copyright 2017 ZTE Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from toscaparser.dataentity import DataEntity
+from toscaparser.elements.constraints import Schema
+from toscaparser.common.exception import ExceptionCollector
+
+
+class DataEntityExt(object):
+    '''A complex data value entity ext.'''
+    @staticmethod
+    def validate_datatype(type, value, entry_schema=None, custom_def=None):
+        if value:
+            if (type == Schema.STRING):
+                return str(value)
+            elif type == Schema.FLOAT:
+                try:
+                    return float(value)
+                except Exception:
+                    ExceptionCollector.appendException(ValueError(('"%s" is not an float.') % value))
+            return DataEntity.validate_datatype(type, value, entry_schema, custom_def)
+        return value