1 files changed, 65 insertions, 0 deletions
diff --git a/lib/ansible/parsing/yaml/objects.py b/lib/ansible/parsing/yaml/objects.py
new file mode 100644
index 0000000000..33ea1ad37e
--- /dev/null
+++ b/lib/ansible/parsing/yaml/objects.py
@@ -0,0 +1,65 @@
+# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from six import text_type
+
+
+class AnsibleBaseYAMLObject(object):
+    '''
+    the base class used to sub-class python built-in objects
+    so that we can add attributes to them during yaml parsing
+
+    '''
+    _data_source = None
+    _line_number = 0
+    _column_number = 0
+
+    def _get_ansible_position(self):
+        return (self._data_source, self._line_number, self._column_number)
+
+    def _set_ansible_position(self, obj):
+        try:
+            (src, line, col) = obj
+        except (TypeError, ValueError):
+            raise AssertionError(
+                'ansible_pos can only be set with a tuple/list '
+                'of three values: source, line number, column number'
+            )
+        self._data_source = src
+        self._line_number = line
+        self._column_number = col
+
+    ansible_pos = property(_get_ansible_position, _set_ansible_position)
+
+
+class AnsibleMapping(AnsibleBaseYAMLObject, dict):
+    ''' sub class for dictionaries '''
+    pass
+
+
+class AnsibleUnicode(AnsibleBaseYAMLObject, text_type):
+    ''' sub class for unicode objects '''
+    pass
+
+
+class AnsibleSequence(AnsibleBaseYAMLObject, list):
+    ''' sub class for lists '''
+    pass