docs: def get_books_containing_page(cursor, uuid, version,
                                context_uuid=None, context_version=None):
      """Return a list of book names and UUIDs
      that contain a given module UUID."""
      with db_connect() as db_connection:
          # Uses a RealDictCursor instead of the regular cursor
          with db_connection.cursor(
                      cursor_factory=psycopg2.extras.RealDictCursor
                  ) as real_dict_cursor:
              # In the future the books-containing-page SQL might handle
              # all of these cases. For now we branch the code out in here.
              if context_uuid and context_version:
                  return [get_book_info(cursor, real_dict_cursor, context_uuid,
                                        context_version, uuid, version)]
              else:
                  portal_type = get_portal_type(cursor, uuid, version)
                  if portal_type == 'Module':
                      real_dict_cursor.execute(SQL['get-books-containing-page'],
                                               {'document_uuid': uuid,
                                                'document_version': version})
                      return real_dict_cursor.fetchall()
                  else:
                      # Books are currently not in any other book
                      return []