docs: def fetch_by_uuid(uuid):
      """
      Serve publications by UUID.
      """
      # fetch all - private and public - publications
      all_pubs = [
          pub
          for pub in search_publications(DBPublication(uuid=uuid))
      ]
  
      if not all_pubs:
          abort(404, "Dokument s UUID '%s' není dostupný." % (uuid))
  
      public_pubs = [
          pub
          for pub in all_pubs
          if pub.is_public
      ]
  
      if not public_pubs:
          name = all_pubs[0].title
          raise HTTPError(
              403,
              body="Forbidden!",
              traceback={"name": name.decode("utf-8"), "uuid": uuid}
          )
  
      if len(public_pubs) > 1:
          abort(500, "Inkonzistence databáze - vráceno vícero UUID.")
  
      pub = public_pubs[0]
  
      if settings.PUBLIC_DIR not in pub.file_pointer:
          abort(500, "Pokus o neoprávněný přístup!")
  
      down_fn = os.path.basename(pub.filename)
      local_fn = pub.file_pointer.replace(settings.PUBLIC_DIR, "")
  
      mime_type = mime.Types.of(down_fn)[0].content_type
      if mime_type == "inode/symlink":
          mime_type = "auto"
  
      response = static_file(
          local_fn,
          root=settings.PUBLIC_DIR,
          download=down_fn,
          mimetype=mime_type,
      )
  
      # Bottle doesn't allow you to specify custom filename AND to say, that you
      # want to have this file for view in browser instead of download. This
      # happens because it uses `download` parameter as both bool flag and
      # alternative filename. - this hack allows it.
      if mime_type == "application/pdf":
          disposition = 'inline; filename="%s"' % down_fn
          response.headers[str("Content-Disposition")] = str(disposition)
  
      return response