code: def _caller_dir_pycache():
      if _TMPDIR:
          return _TMPDIR
      result = os.environ.get("CFFI_TMPDIR")
      if result:
          return result
      filename = sys._getframe(2).f_code.co_filename
      return os.path.abspath(
          os.path.join(os.path.dirname(filename), "__pycache__")
      )
  
imports: import sys, os, binascii, shutil, io
  from .None import __version_verifier_modules__
  from .None import ffiplatform
  from .error import VerificationError
label_desc: Use image node_id 2 for calling a global function with example usage: _caller_dir_pycache() and returns: os, _TMPDIR, result