Start of python YAML test parsers and executer

src/controller/python/BUILD.gn

@@ -226,6 +226,10 @@ chip_python_wheel_action("chip-core") {
         "chip/storage/__init__.py",
         "chip/utils/CommissioningBuildingBlocks.py",
         "chip/utils/__init__.py",
+        "chip/yaml/DataModelLookup.py",
+        "chip/yaml/YamlParser.py",
+        "chip/yaml/YamlUtils.py",
+        "chip/yaml/__init__.py",
       ]
 
       if (chip_controller) {
@@ -269,6 +273,7 @@ chip_python_wheel_action("chip-core") {
     "chip.internal",
     "chip.interaction_model",
     "chip.logging",
+    "chip.yaml",
     "chip.native",
     "chip.clusters",
     "chip.setup_payload",

src/controller/python/chip/yaml/DataModelLookup.py

@@ -0,0 +1,55 @@
+#
+#    Copyright (c) 2022 Project CHIP Authors
+#    All rights reserved.
+#
+#    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.
+#
+
+from abc import ABC, abstractmethod
+import chip.clusters as Clusters
+
+
+class DataModelLookup(ABC):
+    @abstractmethod
+    def get_cluster(self, cluster: str):
+        pass
+
+    @abstractmethod
+    def get_command(self, cluster: str, command: str):
+        pass
+
+    @abstractmethod
+    def get_attribute(self, cluster: str, attribute: str):
+        pass
+
+
+class PreDefinedDataModelLookup(DataModelLookup):
+    def get_cluster(self, cluster: str):
+        try:
+            return getattr(Clusters, cluster, None)
+        except AttributeError:
+            return None
+
+    def get_command(self, cluster: str, command: str):
+        try:
+            commands = getattr(Clusters, cluster, None).Commands
+            return getattr(commands, command, None)
+        except AttributeError:
+            return None
+
+    def get_attribute(self, cluster: str, attribute: str):
+        try:
+            attributes = getattr(Clusters, cluster, None).Attributes
+            return getattr(attributes, attribute, None)
+        except AttributeError:
+            return None