commit 7bca172f45f4d06f73c379f4b9a64ce1ed56edc4
author Shad Ansari <shad@onlab.us> Fri Jun 16 13:24:22 2017 -0700
committer khenaidoo Nursimulu <knursimu@ciena.com> Fri Jun 16 15:06:24 2017 -0700
tree 9e6a00590db0874edd9cf66a67b02055f3e96eb7
parent 14bcd99bc219daf793a7f055ce2b3e6685082c96

VOL-217 - Add check in adapter loader to skip over IAdapter class

In _find_adapters(), getattr() returns the IAdapter as an attribute
which the loader tries to load as well (and fails). Adding a
check to skip if attribute is IAdapter.

Change-Id: If6ad0e93f9919905eef304e767c8fc8ac967d4d6
Signed-off-by: Shad Ansari <shad@onlab.us>

voltha/adapters/loader.py

diff --git a/voltha/adapters/loader.py b/voltha/adapters/loader.py
index 374b495..cbc07e7 100644
--- a/voltha/adapters/loader.py
+++ b/voltha/adapters/loader.py
@@ -32,6 +32,7 @@
 from voltha.core.adapter_agent import AdapterAgent
 from voltha.protos import third_party
 from voltha.registry import IComponent
+from voltha.adapters.iadapter import IAdapter
 
 log = structlog.get_logger()
 
@@ -85,6 +86,7 @@
                     for attr_name in dir(module):
                         cls = getattr(module, attr_name)
                         if isinstance(cls, type) and \
+                                cls is not IAdapter and \
                                 IAdapterInterface.implementedBy(cls):
                             verifyClass(IAdapterInterface, cls)
                             yield adapter_name, cls