Improve catalog retrieving speed

validata_ui/views.py

@@ -32,10 +32,18 @@ from .validata_util import strip_accents
 
 log = logging.getLogger(__name__)
 
+schema_catalog_updater: Dict[str, ThreadUpdater] = {}
+
 
 def get_schema_catalog(section_name):
     """Return a schema catalog associated to a section_name."""
-    return schema_catalog_registry.build_schema_catalog(section_name)
+    global schema_catalog_updater
+
+    if section_name not in schema_catalog_updater:
+        schema_catalog_updater[section_name] = ThreadUpdater(
+            lambda: schema_catalog_registry.build_schema_catalog(section_name)
+        )
+    return schema_catalog_updater[section_name].value
 
 
 class SchemaInstance:
@@ -43,6 +51,7 @@ class SchemaInstance:
 
     def __init__(self, parameter_dict):
         """Initialize schema instance and tableschema catalog."""
+
         self.section_name = None
         self.section_title = None
         self.name = None