Method _safe_int

db_manager.py:535–540

Safely convert value to integer.

(self, value, default=0)

                logger.info(f"✅ Successfully migrated {migrated_count} hosts from CSV to SQLite")
                
                # Backup CSV after successful migration
                backup_path = self.netkb_csv + '.migrated_backup'
                if not os.path.exists(backup_path):
                    import shutil
                    shutil.copy2(self.netkb_csv, backup_path)
                    logger.info(f"CSV backed up to: {backup_path}")
                    
        except Exception as e:
            logger.error(f"CSV migration failed: {e}")