remove 'primary' concept from entrance slugs. tested.

parsers/caves.py

@@ -48,13 +48,13 @@ def dummy_entrance(k, slug, msg="DUMMY"):
     if ent:
         ent.save()  # must save to have id before foreign keys work.
         try:  # Now create a entrance slug ID
-            EntranceSlug(entrance=ent, slug=slug, primary=False)
+            EntranceSlug(entrance=ent, slug=slug)
         except:
             message = f" ! {k:11s}  {msg}-{slug} entrance create failure"
             DataIssue.objects.create(parser="caves", message=message, url=f"{slug}")
             print(message)
 
-        ent.cached_primary_slug = slug
+        ent.cached_slug = slug
         ent.filename = slug + ".html"
         ent.save()
         return ent
@@ -362,13 +362,12 @@ def readentrance(filename):
             bearings=bearings[0],
             url=url[0],
             filename=filename,
-            cached_primary_slug=slugs[0],
+            cached_slug=slugs[0],
         )
-        primary = True
         for slug in slugs:
             # print("entrance slug:{} filename:{}".format(slug, filename))
             try:
-                EntranceSlug.objects.update_or_create(entrance=e, slug=slug, primary=primary)
+                EntranceSlug.objects.update_or_create(entrance=e, slug=slug)
             except:
                 # need to cope with duplicates
                 message = f" ! FAILED to get precisely one ENTRANCE when updating using: cave_entrance/{filename}"
@@ -383,7 +382,6 @@ def readentrance(filename):
                     if k.slug() is not None:
                         print(" ! - OVERWRITING this one: slug:" + str(k.slug()))
                         k.notes = "DUPLICATE entrance found on import. Please fix\n" + k.notes
-                primary = False
         # else: # more than one item in long list. But this is not an error, and the max and min have been checked by getXML
         # slug = Path(filename).stem
         # message = f' ! ABORT loading this entrance. in "{filename}"'