Chiusura fase di ristrutturazione e modularizzazione del workflow per favorire sviluppo modulare

harness/tht/db/sampling.py

@@ -92,7 +92,7 @@ def add_examples(engine: Engine, physical: PhysicalSchema, cfg: ExamplesConfig)
                 ''')
                 try:
                     rows = conn.execute(q, {"lim": cfg.max_per_column}).fetchall()
-                except Exception as e:  # colonna non leggibile: si salta, non si interrompe
+                except Exception as e:  # noqa: BLE001 - skip any unreadable DWH column
                     logger.warning("Campionamento saltato per %s.%s: %s", table_name, column_name, e)
                     continue
                 column.examples = [str(r[0]) for r in rows]
@@ -164,7 +164,7 @@ def unique_values_for_lsh(
                 ''')
                 try:
                     rows = conn.execute(q, {"lim": cfg.max_values_per_column}).fetchall()
-                except Exception as e:
+                except Exception as e:  # noqa: BLE001 - skip any unreadable DWH column
                     skipped.append(SkippedColumn(table_name, column_name, f"errore: {e}"))
                     continue
                 vals = [str(r[0]) for r in rows]
@@ -205,7 +205,7 @@ def unique_values_for_lsh_rest(
                 rows = client.top_values(
                     schema, table_name, column_name, cfg.max_values_per_column
                 )
-            except Exception as e:
+            except Exception as e:  # noqa: BLE001 - skip any unreadable REST column
                 skipped.append(SkippedColumn(table_name, column_name, f"errore: {e}"))
                 continue
             vals = [str(r["value"]) for r in rows if r["value"] not in (None, "")]