1 files changed, 51 insertions, 0 deletions
diff --git a/cloudinit/net/compat.py b/cloudinit/net/compat.py
new file mode 100644
index 00000000..8bf92ef5
--- /dev/null
+++ b/cloudinit/net/compat.py
@@ -0,0 +1,51 @@
+#   Curtin is free software: you can redistribute it and/or modify it under
+#   the terms of the GNU Affero General Public License as published by the
+#   Free Software Foundation, either version 3 of the License, or (at your
+#   option) any later version.
+#
+#   Curtin 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 Affero General Public License for
+#   more details.
+#
+#   You should have received a copy of the GNU Affero General Public License
+#   along with Curtin.  If not, see <http://www.gnu.org/licenses/>.
+
+# Mini six like module (so that this code can be more easily extracted).
+
+import sys
+
+PY26 = sys.version_info[0:2] == (2, 6)
+PY27 = sys.version_info[0:2] == (2, 7)
+PY2 = PY26 or PY27
+PY3 = sys.version_info[0:2] >= (3, 0)
+
+if PY3:
+    text_type = str
+    binary_type = bytes
+    string_types = (text_type, text_type)
+    import io
+    StringIO = io.StringIO
+else:
+    text_type = unicode
+    binary_type = bytes
+    string_types = (binary_type, text_type)
+    from StringIO import StringIO  # noqa
+
+
+# Taken from six (remove when we can actually directly use six)
+
+def add_metaclass(metaclass):
+    """Class decorator for creating a class with a metaclass."""
+    def wrapper(cls):
+        orig_vars = cls.__dict__.copy()
+        slots = orig_vars.get('__slots__')
+        if slots is not None:
+            if isinstance(slots, str):
+                slots = [slots]
+            for slots_var in slots:
+                orig_vars.pop(slots_var)
+        orig_vars.pop('__dict__', None)
+        orig_vars.pop('__weakref__', None)
+        return metaclass(cls.__name__, cls.__bases__, orig_vars)
+    return wrapper