class_docstr: Parser for Python source files that extracts TF API exports.
class_docstr_tok: ["Parser","for","Python","source","files","that","extracts","TF","API","exports","."]
code: def _literal_value(self, node: ast.expr) -> Any:
      try:
          return ast.literal_eval(node)
      except Exception as e:
          raise BadExportError(
              f"{self._current_file}:{node.lineno} all arguments to"
              f" export must be literal values: {ast.dump(node)}"
          ) from e
  
imports: import ast
  from collections.abc import Sequence
  import re
  from typing import Any, Optional, Union, cast
  from absl import flags
  from absl import logging
  from tensorflow.python.tools.api.generator2.shared import exported_api
label_desc: Use image node_id 19 for calling the Parser obj's underlying member method code with example usage: obj._literal_value(node) and returns: ast