code: def _generate_decode_command(env_var, file, python_command):
      # We don't need `f.close()` as the interpreter is about to exit anyway
      return (
          f'{python_command} -c "import base64, os;'
          rf"x = base64.b64decode(os.environ[\"{env_var}\"]);"
          rf'f = open(\"{file}\", \"wb\"); f.write(x);"'
      )
  
file_path: airflow/airflow/providers/docker/decorators/docker.py
imports: from __future__ import annotations
  import base64
  import os
  import pickle
  from tempfile import TemporaryDirectory
  from typing import TYPE_CHECKING, Callable, Sequence
  import dill
  from airflow.decorators.base import DecoratedOperator, task_decorator_factory
  from airflow.providers.docker.operators.docker import DockerOperator
  from airflow.utils.python_virtualenv import write_python_script
label_desc: Use image node_id 1 for calling a global function with example usage: _generate_decode_command(env_var, file, python_command) and returns: python_command, str, env_var, str, file, str