code: async def get_contents(self, uri) -> List[Content]:
          
          contents = [
              Content.make(**x)
              for x in await self.services["avContent"]["getContentList"](uri=uri)
          ]
          contentlist = []
  
          for content in contents:
              if content.contentKind == "directory" and content.index >= 0:
                  # print("got directory %s" % content.uri)
                  res = await self.get_contents(content.uri)
                  contentlist.extend(res)
              else:
                  contentlist.append(content)
                  # print("%s%s" % (' ' * depth, content))
          return contentlist
docs: Request content listing recursively for the given URI.
  
          :param uri: URI for the source.
          :return: List of Content objects.