Update src/aibom_generator/generator.py

src/aibom_generator/generator.py

@@ -200,9 +200,23 @@ class AIBOMGenerator:
 
         # Add critical fields for industry-neutral scoring (silently aligned with SPDX)
         if metadata and "last_modified" in metadata:
-            aibom["buildTime"] = metadata["last_modified"]
+            # Convert datetime to string before adding to AIBOM
+            if isinstance(metadata["last_modified"], datetime.datetime):
+                aibom["buildTime"] = metadata["last_modified"].isoformat() + "Z"
+            else:
+                aibom["buildTime"] = str(metadata["last_modified"])
+            
             # Add releaseTime as well if available, otherwise use last_modified
-            aibom["releaseTime"] = metadata.get("release_date", metadata["last_modified"])
+            if "release_date" in metadata:
+                if isinstance(metadata["release_date"], datetime.datetime):
+                    aibom["releaseTime"] = metadata["release_date"].isoformat() + "Z"
+                else:
+                    aibom["releaseTime"] = str(metadata["release_date"])
+            else:
+                if isinstance(metadata["last_modified"], datetime.datetime):
+                    aibom["releaseTime"] = metadata["last_modified"].isoformat() + "Z"
+                else:
+                    aibom["releaseTime"] = str(metadata["last_modified"])
         
         # Add downloadLocation if available
         if metadata and "commit_url" in metadata:
@@ -383,6 +397,8 @@ class AIBOMGenerator:
                     try:
                         if isinstance(value, (list, dict)):
                             value = json.dumps(value)
+                        elif isinstance(value, datetime.datetime):
+                            value = value.isoformat() + "Z"
                         properties.append({"name": key, "value": str(value)})
                     except Exception as e:
                         print(f"Error processing metadata property {key}: {e}")