docstr: Metadata item name to parser function mapping.
docstr_tok: ["Metadata","item","name","to","parser","function","mapping","."]
code: def parsers(self):
      """Metadata item name to parser function mapping."""
      parse_list = self._parse_list
      parse_file = self._parse_file
      parse_dict = self._parse_dict
      exclude_files_parser = self._exclude_files_parser
  
      return {
          "platforms": parse_list,
          "keywords": parse_list,
          "provides": parse_list,
          "requires": self._deprecated_config_handler(
              parse_list,
              "The requires parameter is deprecated, please use "
              "install_requires for runtime dependencies.",
              DeprecationWarning,
          ),
          "obsoletes": parse_list,
          "classifiers": self._get_parser_compound(
              parse_file, parse_list
          ),
          "license": exclude_files_parser("license"),
          "license_files": parse_list,
          "description": parse_file,
          "long_description": parse_file,
          "version": self._parse_version,
          "project_urls": parse_dict,
      }
  
imports: from __future__ import absolute_import, unicode_literals
  import io
  import os
  import sys
  import warnings
  import functools
  from collections import defaultdict
  from functools import partial
  from functools import wraps
  from importlib import import_module
  from distutils.errors import DistutilsOptionError, DistutilsFileError
  from setuptools.extern.packaging.version import LegacyVersion, parse
  from setuptools.extern.packaging.specifiers import SpecifierSet
  from setuptools.extern.six import string_types, PY3
label_desc: Use image node_id 2 for calling the ConfigMetadataHandler obj's underlying member method code with example usage: obj.parsers() and returns: dict