code: def _is_doctest(config, path, parent):
      if path.ext in (".txt", ".rst") and parent.session.isinitpath(
          path
      ):
          return True
      globs = config.getoption("doctestglob") or ["test*.txt"]
      for glob in globs:
          if path.check(fnmatch=glob):
              return True
      return False
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import inspect
  import platform
  import sys
  import traceback
  import warnings
  from contextlib import contextmanager
  import pytest
  from _pytest._code.code import ExceptionInfo
  from _pytest._code.code import ReprFileLocation
  from _pytest._code.code import TerminalRepr
  from _pytest.compat import safe_getattr
  from _pytest.fixtures import FixtureRequest
  from _pytest.outcomes import Skipped
  from _pytest.warning_types import PytestWarning
label_desc: Use image node_id 4 for calling a global function with example usage: _is_doctest(config, path, parent) and returns: False, True, True