parameters: ()
return_statement: return ('<unknown>', 0)
docstring: Returns (filename, linenumber) for the stack frame.
docstring_summary: Returns (filename, linenumber) for the stack frame.
docstring_tokens: Returns ( filename linenumber ) for the stack frame .
function: def _GetFileAndLine():
    """Returns (filename, linenumber) for the stack frame."""
    # Use sys._getframe().  This avoids creating a traceback object.
    # pylint: disable=protected-access
    f = sys._getframe()
    # pylint: enable=protected-access
    our_file = f.f_code.co_filename
    f = f.f_back
    while f:
      code = f.f_code
      if code.co_filename != our_file:
        return (code.co_filename, f.f_lineno)
      f = f.f_back
    return ('<unknown>', 0)
function_tokens: def _GetFileAndLine ( ) : # Use sys._getframe().  This avoids creating a traceback object. # pylint: disable=protected-access f = sys . _getframe ( ) # pylint: enable=protected-access our_file = f . f_code . co_filename f = f . f_back while f : code = f . f_code if code . co_filename != our_file : return ( code . co_filename , f . f_lineno ) f = f . f_back return ( '<unknown>' , 0 )