diff --git a/lib/parser.py b/lib/parser.py
new file mode 100644
index 0000000..1b764d2
--- /dev/null
+++ b/lib/parser.py
@@ -0,0 +1,46 @@
+#
+#   Copyright 2017 CNIT - Consorzio Nazionale Interuniversitario per le Telecomunicazioni
+#
+#   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  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 json
+import pyaml
+import yaml
+from lib.util import Util
+import logging
+import traceback
+import glob
+import os
+
+
+class Parser(object):
+    """Parser methods base class
+
+    """
+
+    def __init__(self):
+        pass
+    
+    @classmethod        
+    def importprojectdir(cls,dir_project, type):
+        """Imports all files under a given folder
+
+        Returns an empty project
+        """
+
+        project = {}
+        return project
+
+    def get_all_ns_descriptors(self, nsd_id, project_data):
+        raise NotImplementedError
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