class_docstr: Enhanced 'build_py' command that includes data files with packages
  
  The data files are specified via a 'package_data' argument to 'setup()'.
  See 'setuptools.dist.Distribution' for more details.
  
  Also, this version of the 'build_py' command allows you to specify both
  'py_modules' and 'packages' in the same setup operation.
code: def analyze_manifest(self):
      self.manifest_files = mf = {}
      if not self.distribution.include_package_data:
          return
      src_dirs = {}
      for package in self.packages or ():
          # Locate package source directory
          src_dirs[
              assert_relative(self.get_package_dir(package))
          ] = package
  
      self.run_command("egg_info")
      ei_cmd = self.get_finalized_command("egg_info")
      for path in ei_cmd.filelist.files:
          d, f = os.path.split(assert_relative(path))
          prev = None
          oldf = f
          while d and d != prev and d not in src_dirs:
              prev = d
              d, df = os.path.split(d)
              f = os.path.join(df, f)
          if d in src_dirs:
              if path.endswith(".py") and f == oldf:
                  continue  # it's a module, not data
              mf.setdefault(src_dirs[d], []).append(path)
  
imports: from glob import glob
  from distutils.util import convert_path
  import distutils.command.build_py
  import os
  import fnmatch
  import textwrap
  import io
  import distutils.errors
  import itertools
  from setuptools.extern import six
  from setuptools.extern.six.moves import map, filter, filterfalse
label_desc: Use image node_id 9 for calling the build_py obj's underlying member method code with example usage: obj.analyze_manifest() without return types