1 files changed, 30 insertions, 0 deletions
diff --git a/utils/data_types.py b/utils/data_types.py
new file mode 100644
index 0000000..877d4a1
--- /dev/null
+++ b/utils/data_types.py
@@ -0,0 +1,30 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   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.
+#
+# -------------------------------------------------------------------------
+#
+
+import collections
+
+
+def list_like(obj):
+    """Check if an object is a list-like object, but not a string or dict"""
+    return isinstance(obj, collections.Sequence) and not isinstance(obj, (str, bytes))
+
+
+def dict_like(obj):
+    """Check if an object is a list-like object, but not a string or dict"""
+    return isinstance(obj, collections.Mapping)
+