fixing drug-target-interaction update routine

Former-commit-id: 0b2f1a7cbbc8478e6d464b65a75bfa2e799f9d05 [formerly 76c7bea1b462da0f1eebf7d16367320e3eeffa56]
Former-commit-id: 009e32b1d3120a54f4088f5e073d264aa86ac29f

drugstone/management/commands/import_from_nedrex.py

@@ -224,10 +224,11 @@ class NedrexImporter:
         self.cache.init_proteins()
 
         bulk = set()
-        existing = set()
+        delete = set()
+        existing = dict()
         if update:
             for edge in models.ProteinDrugInteraction.objects.filter(pdi_dataset=dataset):
-                existing.add(edge.__hash__())
+                existing[edge.__hash__()] = edge
 
         source_datasets = dict()
         source_is_licenced = dict()
@@ -248,6 +249,12 @@ class NedrexImporter:
                 protein = self.cache.get_protein_by_uniprot(to_id(edge['targetDomainId']))
                 actions = json.dumps(edge['actions'])
                 e = models.ProteinDrugInteraction(pdi_dataset=dataset, drug=drug, protein=protein, actions=actions)
+                if update and e.__hash__() in existing:
+                    if existing[e.__hash__()] != e:
+                        delete.add(existing[e.__hash__()])
+                        del existing[e.__hash__()]
+                    else:
+                        return
                 if not update or e.__hash__() not in existing:
                     bulk.add(e)
                     for source in edge['dataSources']:
@@ -260,6 +267,8 @@ class NedrexImporter:
                 pass
 
         iter_edge_collection('drug_has_target', add_dpi)
+        for d in delete:
+            d.delete()
         models.ProteinDrugInteraction.objects.bulk_create(bulk)
         # new_datasets = [dataset].extend(source_datasets.values())
         # DatasetLoader.remove_old_pdi_data(new_datasets, licenced)

scripts/docker-entrypoint.sh

@@ -8,7 +8,6 @@ if [ -z "$DB_UPDATE_ON_START" ] || [ "$DB_UPDATE_ON_START" = "0" ]
 then
  echo "Update on startup disabled!"
 else
- python3 manage.py populate_db --delete_model PDI
  python3 manage.py populate_db --update -a
  python3 manage.py make_graphs
 fi