docs: def _get_paths(self):
          """Return a list of paths to search for plugins in
  
          The list is searched in order."""
          ret = []
          ret += ['%s/library/' % os.path.dirname(os.path.dirname(__file__))]        
          
          ret += self._extra_dirs
          for basedir in _basedirs:
              fullpath = os.path.join(basedir, self.subdir)
              if fullpath not in ret:
                  ret.append(fullpath)
          ret += self.config.split(os.pathsep)
          ret += self._get_package_path()
          return ret