move the library to ONF

Change-Id: I383437e2934ce04cc1a7dc332134f7308991776f
diff --git a/grpc_robot/tools/dmi_tools.py b/grpc_robot/tools/dmi_tools.py
new file mode 100644
index 0000000..5bdb168
--- /dev/null
+++ b/grpc_robot/tools/dmi_tools.py
@@ -0,0 +1,84 @@
+# Copyright 2020-present Open Networking Foundation
+# Original copyright 2020-present ADTRAN, Inc.
+#
+# 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
+from grpc_robot.grpc_robot import _package_version_get
+
+from dmi import hw_metrics_mgmt_service_pb2, hw_events_mgmt_service_pb2
+from ..tools.protobuf_to_dict import protobuf_to_dict
+
+
+class DmiTools(object):
+    """
+    Tools for the device-management-interface, e.g decoding / conversions.
+    """
+
+    try:
+        ROBOT_LIBRARY_VERSION = _package_version_get('grpc_robot')
+    except NameError:
+        ROBOT_LIBRARY_VERSION = 'unknown'
+
+    @staticmethod
+    def hw_metrics_mgmt_decode_metric(bytestring, return_enum_integer='false', return_defaults='false', human_readable_timestamps='true'):
+        """
+        Converts bytes to a Metric as defined in _message Metric_ from hw_metrics_mgmt_service.proto
+
+        *Parameters*:
+        - bytestring: <bytes>; Byte string, e.g. as it comes from Kafka messages.
+        - return_enum_integer: <string> or <bool>; Whether or not to return the enum values as integer values rather than their labels. Default: _false_.
+        - return_defaults: <string> or <bool>; Whether or not to return the default values. Default: _false_.
+        - human_readable_timestamps: <string> or <bool>; Whether or not to convert the timestamps to human-readable format. Default: _true_.
+
+        *Return*: A dictionary with same structure as the _metric_ key from the return dictionary of keyword _Hw Metrics Mgmt Service Get Metric_.
+
+        *Example*:
+        | Import Library | grpc_robot.DmiTools | WITH NAME | dmi_tools |
+        | ${kafka_records} | kafka.Records Get |
+        | FOR | ${kafka_record} | IN | @{kafka_records} |
+        |  | ${metric} | dmi_tools.Hw Metrics Mgmt Decode Metric | ${kafka_record}[message] |
+        |  | Log | ${metric} |
+        | END |
+        """
+        return_enum_integer = str(return_enum_integer).lower() == 'true'
+        metric = hw_metrics_mgmt_service_pb2.Metric.FromString(bytestring)
+        return protobuf_to_dict(metric,
+                                use_enum_labels=not return_enum_integer,
+                                including_default_value_fields=str(return_defaults).lower() == 'true',
+                                human_readable_timestamps=str(human_readable_timestamps).lower() == 'true')
+
+    @staticmethod
+    def hw_events_mgmt_decode_event(bytestring, return_enum_integer='false', return_defaults='false', human_readable_timestamps='true'):
+        """
+        Converts bytes to a Event as defined in _message Event_ from hw_events_mgmt_service.proto
+
+        *Parameters*:
+        - bytestring: <bytes>; Byte string, e.g. as it comes from Kafka messages.
+        - return_enum_integer: <string> or <bool>; Whether or not to return the enum values as integer values rather than their labels. Default: _false_.
+        - return_defaults: <string> or <bool>; Whether or not to return the default values. Default: _false_.
+        - human_readable_timestamps: <string> or <bool>; Whether or not to convert the timestamps to human-readable format. Default: _true_.
+
+        *Return*: A dictionary with same structure as the _event_ key from the return dictionary of keyword _Hw Event Mgmt Service List Events_.
+
+        *Example*:
+        | Import Library | grpc_robot.DmiTools | WITH NAME | dmi_tools |
+        | ${kafka_records} | kafka.Records Get |
+        | FOR | ${kafka_record} | IN | @{kafka_records} |
+        |  | ${event} | dmi_tools.Hw Events Mgmt Decode Event | ${kafka_record}[message] |
+        |  | Log | ${event} |
+        | END |
+        """
+        return_enum_integer = str(return_enum_integer).lower() == 'true'
+        event = hw_events_mgmt_service_pb2.Event.FromString(bytestring)
+        return protobuf_to_dict(event,
+                                use_enum_labels=not return_enum_integer,
+                                including_default_value_fields=str(return_defaults).lower() == 'true',
+                                human_readable_timestamps=str(human_readable_timestamps).lower() == 'true')