docs: def get_buildout_config(buildout_filename):
      """Parse buildout config with zc.buildout ConfigParser
      """
      print("[localhost] get_buildout_config: {0:s}".format(buildout_filename))
      buildout = Buildout(buildout_filename, [('buildout', 'verbosity', '-100')])
      while True:
          try:
              len(buildout.items())
              break
          except OSError:
              pass
      return buildout