Track source URL from sdk_version. (#154)

Author: DavidSouther

aws_doc_sdk_examples_tools/metadata.py

@@ -76,6 +76,8 @@ class Version:
     authors: List[Person] = field(default_factory=list)
     # Feedback and maintenance owner. Primarily for internal use.
     owner: Optional[FeedbackCti] = field(default=None)
+    # Link to the original tributary that contributed this version.
+    source: Optional[Url] = field(default=None)
 
     def validate(self, errors: MetadataErrors, root: Path):
         github = self.github

aws_doc_sdk_examples_tools/yaml_mapper.py

@@ -295,6 +295,14 @@ def version_from_yaml(
             metadata_errors.AddServicesHasBeenDeprecated(add_services=add_services)
         )
 
+    source = None
+    if source_url := yaml.get("source", None):
+        source_url = url_from_yaml(source_url)
+        if isinstance(source_url, Url):
+            source = source_url
+        elif source_url is not None:
+            errors.append(source_url)
+
     if block_content is not None and block_content not in cross_content_blocks:
         errors.append(metadata_errors.MissingCrossContent(block=block_content))
 
@@ -312,6 +320,7 @@ def version_from_yaml(
             more_info,
             authors,
             owner,
+            source,
         ),
         errors,
     )