Function annotation_config

sdk/python/feast/ui_server.py:738–783

Return annotation profile and field role config parsed from LabelView tags. The UI uses this to select the right annotation method and map user interactions to schema fields.

(label_view_name: str)

    @rest_app.get("/annotation-config/{label_view_name}")
    def annotation_config(label_view_name: str):
        """Return annotation profile and field role config parsed from LabelView tags.

        The UI uses this to select the right annotation method and map
        user interactions to schema fields.
        """
        try:
            fv = store.registry.get_label_view(label_view_name, store.project)

            tags = dict(getattr(fv, "tags", {}))
            profile = tags.get("feast.io/labeling-method", "table")

            field_roles: Dict[str, str] = {}
            label_values: Dict[str, List] = {}
            label_widgets: Dict[str, str] = {}

            for key, value in tags.items():
                if key.startswith("feast.io/field-role:"):
                    field_name = key[len("feast.io/field-role:") :]
                    field_roles[field_name] = value
                elif key.startswith("feast.io/label-values:"):
                    field_name = key[len("feast.io/label-values:") :]
                    label_values[field_name] = [v.strip() for v in value.split(",")]
                elif key.startswith("feast.io/label-widget:"):
                    field_name = key[len("feast.io/label-widget:") :]
                    label_widgets[field_name] = value

            entity_names = fv.entities if fv.entities else []
            feature_names = [f.name for f in fv.features]
            labeler_field = getattr(fv, "labeler_field", "labeler")
            push_source_name = fv.source.name if fv.source else None

            return {
                "label_view": label_view_name,
                "profile": profile,
                "field_roles": field_roles,
                "label_values": label_values,
                "label_widgets": label_widgets,
                "entities": entity_names,
                "features": feature_names,
                "labeler_field": labeler_field,
                "push_source_name": push_source_name,
            }
        except Exception:
            logger.exception("Annotation config lookup failed")
            return _safe_error_response("Annotation config", status.HTTP_404_NOT_FOUND)

    app.mount("/api/v1", rest_app)