Method get_cached_kernel

rightnow_cli/cache.py:152–179

Retrieve a cached kernel if available.

(self, model_name: str, operation: str)

        return kernel_id
    
    def get_cached_kernel(self, model_name: str, operation: str) -> Optional[Dict[str, Any]]:
        """Retrieve a cached kernel if available."""
        with sqlite3.connect(self.db_path) as conn:
            cursor = conn.cursor()
            cursor.execute("""
                SELECT id, file_path FROM kernel_metadata
                WHERE model_name = ? AND operation = ?
                ORDER BY created_at DESC
                LIMIT 1
            """, (model_name, operation))
            
            result = cursor.fetchone()
            if result:
                kernel_id, file_path = result
                kernel_file = Path(file_path)
                
                if kernel_file.exists():
                    cursor.execute("""
                        UPDATE kernel_metadata
                        SET last_used = ?
                        WHERE id = ?
                    """, (datetime.now().isoformat(), kernel_id))
                    conn.commit()
                    
                    with open(kernel_file, 'rb') as f:
                        return pickle.load(f)
        
        return None
    
    def list_cached_kernels(self, model_name: Optional[str] = None) -> List[Dict[str, Any]]:
        """List all cached kernels, optionally filtered by model."""