1 files changed, 12 insertions, 0 deletions
diff --git a/python/_util.py b/python/_util.py
new file mode 100644
index 00000000..3f7061c3
--- /dev/null
+++ b/python/_util.py
@@ -0,0 +1,12 @@
+import re
+
+def _validate_interface_or_name(value):
+    elements = value.split('.')
+    if len(elements) <= 1:
+        raise ValidationException("%s must contain at least two elements seperated by a period ('.')"%(value))
+
+    validate = re.compile('[A-Za-z][\w_]*')
+    for element in elements:
+        if not validate.match(element):
+            raise ValidationException("Element %s of %s has invalid characters"%(element ,value))
+