class_docstr: Fake driver for testing purpose only.
class_docstr_tok: ["Fake","driver","for","testing","purpose","only","."]
code: def pre_execution(  # pytype: disable=signature-mismatch  # overriding-parameter-type-checks
      self,
      input_dict: Dict[str, types.Channel],
      output_dict: Dict[str, types.Channel],
      exec_properties: Dict[str, Any],
      driver_args: data_types.DriverArgs,
      pipeline_info: data_types.PipelineInfo,
      component_info: data_types.ComponentInfo,
  ) -> data_types.ExecutionDecision:
      input_artifacts = channel_utils.unwrap_channel_dict(input_dict)
      output_artifacts = channel_utils.unwrap_channel_dict(output_dict)
  
      # Generating missing output artifact URIs
      for name, artifacts in output_artifacts.items():
          for idx, artifact in enumerate(artifacts):
              if not artifact.uri:
                  suffix = str(idx + 1) if idx > 0 else ""
                  artifact.uri = os.path.join(
                      pipeline_info.pipeline_root,
                      "artifacts",
                      name + suffix,
                      "data",
                  )
                  fileio.makedirs(os.path.dirname(artifact.uri))
  
      return data_types.ExecutionDecision(
          input_artifacts, output_artifacts, exec_properties, 123, False
      )
  
imports: import os
  from typing import Any, Dict, List, Optional
  from tfx import types
  from tfx.dsl.components.base import base_component
  from tfx.dsl.components.base import base_driver
  from tfx.dsl.components.base import base_executor
  from tfx.dsl.components.base import executor_spec
  from tfx.dsl.io import fileio
  from tfx.orchestration import data_types
  from tfx.types import artifact_utils
  from tfx.types import channel_utils
  from tfx.types import component_spec
label_desc: Use image node_id 1 for calling the _FakeDriver obj's underlying member method code with example usage: obj.pre_execution(input_dict, output_dict, exec_properties, driver_args, pipeline_info, component_info) and returns: data_types