code: def name(self):
          
          if 'name' not in self.metainfo['info'] and self.path is not None:
              self.metainfo['info']['name'] = os.path.basename(self.path)
          return self.metainfo['info'].get('name', None)
docs: Name of the torrent
  
          Default to last item in :attr:`path` or ``None`` if :attr:`path` is
          ``None``.
  
          Setting this property sets or removes ``name`` in :attr:`metainfo`\
          ``['info']``.