Allow case where no mapping is found for a product

core/registrar/backend.py

@@ -257,13 +257,22 @@ class EOxServerBackend(Backend):
 
         stac_item = read_json(source, item.path)
 
-        if not item.product_type:
+        if not mapping:
+            product_type, _ = create_product_type_from_stac_item(
+                stac_item,
+                product_type_name=item.product_type,
+                ignore_existing=True,
+                coverage_mapping=None
+            )
+
+        elif not item.product_type:
             product_type, _ = create_product_type_from_stac_item(
                 stac_item,
                 product_type_name=None,
                 ignore_existing=True,
                 coverage_mapping=mapping.get('coverages', {})
             )
+
         else:
             try:
                 product_type = mapping['product_type_name']
@@ -297,11 +306,12 @@ class EOxServerBackend(Backend):
         )
 
         # get the mapping for this particular item
+        mapping = {}
         try:
             type_mapping = self.mapping[item.product_type]
+            mapping = type_mapping.get(item.product_level) or type_mapping.get(None) or {}
         except KeyError:
-            raise RegistrationError(f'Could not find mapping for {item.product_type} in configuration')
-        mapping = type_mapping.get(item.product_level) or type_mapping.get(None) or {}
+            pass
 
         # branch here for STAC Item registration, as a product type can be dynamically generated
         if item.scheme == 'stac-item':