needed to import subclasses, so they can be registered

Author: Zalfsten

middleware/metadata_scraper/metadata_extractor/__init__.py

@@ -112,3 +112,6 @@ def get_metadata_or_log_error(self, content: str, url: str) -> Optional[List[Dic
                 otel_span.add_event(msg)
                 logging.exception("%s, suspicious data:\n%s", msg, suspicious_data)
                 return None
+
+from .embedded_jsonld import MetadataExtractorEmbeddedJsonld  # noqa: E402, F401
+from .jsonld import MetadataExtractorJsonld  # noqa: E402, F401

middleware/metadata_scraper/sitemap_parser/__init__.py

@@ -116,3 +116,9 @@ def parse_content_as_json(self) -> Any:
         except json.JSONDecodeError as e:
             raise SitemapParseError(e) from e
         return json_objs
+
+
+from .openagrar import SitemapParserOpenAgrar  # noqa: E402, F401
+from .publisso import SitemapParserPublisso # noqa: E402, F401
+from .thunen_atlas import SitemapParserThunenAtlas # noqa: E402, F401
+from .xml import SitemapParserXml # noqa: E402, F401