[VOL-2282] Split out ofagent-py into it's own repo

Brought over from voltha-go commit: 006dc84ee1977cc47990439823c539ac258c34a1

Change-Id: I4355d33ddd8996d0be1a50263f270268c8b11533
diff --git a/ofagent/loxi/__init__.py b/ofagent/loxi/__init__.py
new file mode 100644
index 0000000..adb067b
--- /dev/null
+++ b/ofagent/loxi/__init__.py
@@ -0,0 +1,82 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+# Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+# Copyright (c) 2011, 2012 Open Networking Foundation
+# Copyright (c) 2012, 2013 Big Switch Networks, Inc.
+# See the file LICENSE.pyloxi which should have been included in the source distribution
+# Automatically generated by LOXI from template toplevel_init.py
+# Do not modify
+
+version_names = {
+    1: "1.0",
+    2: "1.1",
+    3: "1.2",
+    4: "1.3",
+    5: "1.4",
+}
+
+def protocol(ver):
+    """
+    Import and return the protocol module for the given wire version.
+    """
+    if ver == 1:
+        import of10
+        return of10
+
+    if ver == 2:
+        import of11
+        return of11
+
+    if ver == 3:
+        import of12
+        return of12
+
+    if ver == 4:
+        import of13
+        return of13
+
+    if ver == 5:
+        import of14
+        return of14
+
+    raise ValueError
+
+class ProtocolError(Exception):
+    """
+    Raised when failing to deserialize an invalid OpenFlow message.
+    """
+    pass
+
+class Unimplemented(Exception):
+    """
+    Raised when an OpenFlow feature is not yet implemented in PyLoxi.
+    """
+    pass
+
+def unimplemented(msg):
+    raise Unimplemented(msg)
+
+class OFObject(object):
+    """
+    Superclass of all OpenFlow classes
+    """
+    def __init__(self, *args):
+        raise NotImplementedError("cannot instantiate abstract class")
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)