Drop DataSource handling

Closes #29 (closed)

• Removes arkindex_worker.worker.MANUAL_SLUG
  • No workers affected in teklia/workers
• Removes ElementsWorker.get_ml_result_slug
  • Affects generic_exporter (here, here, here, here)
  • Affects horae_exporter (here and here)
  • Affects balsac_exporter (here, here and here)

arkindex_worker/worker/version.py

@@ -14,7 +14,6 @@ class WorkerVersionMixin(object):
 
         return worker_version
 
-
     def get_ml_result_slug(self, ml_result) -> str:
         """
         Helper function to get the worker slug from element, classification or transcription.
@@ -24,13 +23,13 @@ class WorkerVersionMixin(object):
         """
 
         # Handle cached models
-        if hasattr(ml_result, 'worker_version_id'):
+        if hasattr(ml_result, "worker_version_id"):
             worker_version_id = ml_result.worker_version_id
         elif "worker_version" in ml_result:
-            worker_version_id = ml_result['worker_version']
+            worker_version_id = ml_result["worker_version"]
         # transcriptions have worker_version_id but elements have worker_version
         elif "worker_version_id" in ml_result:
-            worker_version_id = ml_result['worker_version_id']
+            worker_version_id = ml_result["worker_version_id"]
         else:
             raise ValueError(f"Unable to get slug from: {ml_result}")
 
@@ -38,4 +37,4 @@ class WorkerVersionMixin(object):
             return
 
         worker_version = self.get_worker_version(worker_version_id)
-        return worker_version['worker']['slug']
+        return worker_version["worker"]["slug"]