code: def _get_metadata(self):
          
          descfile = join(self.src_path, self.description_file)
          self.description = ''
          self.meta = {}
          # default: get title from directory name
          self.title = os.path.basename(self.path if self.path != '.'
                                        else self.src_path)
  
          if isfile(descfile):
              meta = read_markdown(descfile)
              for key, val in meta.items():
                  setattr(self, key, val)
  
          try:
              self.author = self.meta['author'][0]
          except KeyError:
              self.author = self.settings.get('author')
docs: Get album metadata from `description_file` (`index.md`):
  
          -> title, thumbnail image, description