code: def shall_skip(app, module, private):
      
      logger.debug('Testing if %s should be skipped.', module)
      # skip if it has a "private" name and this is selected
      if module != '__init__.py' and module.startswith('_') and \
         not private:
          logger.debug('Skip %s because its either private or __init__.', module)
          return True
      logger.debug('Do not skip %s', module)
      return False
docs: Check if we want to skip this module.
  
      :param app: the sphinx app
      :type app: :class:`sphinx.application.Sphinx`
      :param module: the module name
      :type module: :class:`str`
      :param private: True, if privates are allowed
      :type private: :class:`bool`