code: def download_stories(self,
                           userids: Optional[List[Union[int, Profile]]] = None,
                           fast_update: bool = False,
                           filename_target: Optional[str] = ':stories',
                           storyitem_filter: Optional[Callable[[StoryItem], bool]] = None) -> None:
          
  
          if not userids:
              self.context.log("Retrieving all visible stories...")
          else:
              userids = [p if isinstance(p, int) else p.userid for p in userids]
  
          for user_story in self.get_stories(userids):
              name = user_story.owner_username
              self.context.log("Retrieving stories from profile {}.".format(name))
              totalcount = user_story.itemcount
              count = 1
              for item in user_story.get_items():
                  if storyitem_filter is not None and not storyitem_filter(item):
                      self.context.log("<{} skipped>".format(item), flush=True)
                      continue
                  self.context.log("[%3i/%3i] " % (count, totalcount), end="", flush=True)
                  count += 1
                  with self.context.error_catcher('Download story from user {}'.format(name)):
                      downloaded = self.download_storyitem(item, filename_target if filename_target else name)
                      if fast_update and not downloaded:
                          break
docs: Download available stories from user followees or all stories of users whose ID are given.
          Does not mark stories as seen.
          To use this, one needs to be logged in
  
          :param userids: List of user IDs or Profiles to be processed in terms of downloading their stories
          :param fast_update: If true, abort when first already-downloaded picture is encountered
          :param filename_target: Replacement for {target} in dirname_pattern and filename_pattern
                 or None if profile name should be used instead
          :param storyitem_filter: function(storyitem), which returns True if given StoryItem should be downloaded