Function pre_execute_cb

execution.py:537–539

(call_index)

                else:
                    return block
            def pre_execute_cb(call_index):
                # TODO - How to handle this with async functions without contextvars (which requires Python 3.12)?
                GraphBuilder.set_default_prefix(unique_id, call_index, 0)

            try:
                output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)