code: def exists(src_file):
      path = r.Rlocation(src_file)
      if path is None:
          return False
      return os.path.exists(path)
  
file_path: jax/jaxlib/tools/build_wheel.py
imports: import argparse
  import functools
  import os
  import pathlib
  import platform
  import re
  import subprocess
  import tempfile
  from bazel_tools.tools.python.runfiles import runfiles
  from jax.tools import build_utils
label_desc: Use image node_id 2 for calling a global function with example usage: exists(src_file) and returns: os, False