MLIA-775 Refactor metadata related classes

- define Metadata base class with dictionary data and abstract method
- mlia, tosa, model and metadatadisplay classes are all inherited from base class
- update unit tests
- update function report_metadata into more generalized format

Change-Id: Id49e15283eebdca705045eda81db637d82f85453

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mlia/target/tosa/metadata.py b/src/mlia/target/tosa/metadata.py
index 5575207..8e1f5ca 100644
--- a/src/mlia/target/tosa/metadata.py
+++ b/src/mlia/target/tosa/metadata.py
@@ -2,7 +2,16 @@
 # SPDX-License-Identifier: Apache-2.0
 """TOSA package metadata."""
 from mlia.core.metadata import Metadata
+from mlia.utils.misc import get_pkg_version
 
 
 class TOSAMetadata(Metadata):  # pylint: disable=too-few-public-methods
     """TOSA metadata."""
+
+    def __init__(self) -> None:
+        """Init TOSAMetadata."""
+        super().__init__("tosa-checker")
+
+    def get_metadata(self) -> dict:
+        """Returen tosa version."""
+        return {"tosa_version": get_pkg_version(self.name)}