code: def get_source_date_epoch():
      import yaml
  
      reproducible_build_yaml = (
          AIRFLOW_SOURCES_ROOT / "airflow" / "reproducible_build.yaml"
      )
      reproducible_build_dict = yaml.safe_load(
          reproducible_build_yaml.read_text()
      )
      source_date_epoch: int = reproducible_build_dict[
          "source-date-epoch"
      ]
      return source_date_epoch
  
file_path: airflow/dev/breeze/src/airflow_breeze/utils/reproducible.py
imports: from __future__ import annotations
  import contextlib
  import gzip
  import itertools
  import locale
  import os
  import tarfile
  from argparse import ArgumentParser
  from airflow_breeze.utils.path_utils import AIRFLOW_SOURCES_ROOT
label_desc: Use image node_id 1 for calling a global function with example usage: get_source_date_epoch() and returns: source_date_epoch