class_docstr: Handles metadata supplied in configuration files.
class_docstr_tok: ["Handles","metadata","supplied","in","configuration","files","."]
code: def _read_file(filepath):
      with io.open(filepath, encoding="utf-8") as f:
          return f.read()
  
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 10 for calling the ConfigHandler obj's underlying member method code with example usage: obj._read_file(filepath) and returns: f