docs: def load_fixture(fixture_file):
      """
      Populate the database from a JSON file. Reads the JSON file FIXTURE_FILE
      and uses it to populate the database. Fuxture files should consist of a
      dictionary mapping database names to arrays of objects to store in those
      databases.
      """
      utils.check_for_local_server()
      local_url = config["local_server"]["url"]
      server = Server(local_url)
      fixture = json.load(fixture_file)
      for db_name, _items in fixture.items():
          db = server[db_name]
          with click.progressbar(
              _items, label=db_name, length=len(_items)
          ) as items:
              for item in items:
                  item_id = item["_id"]
                  if item_id in db:
                      old_item = db[item_id]
                      item["_rev"] = old_item["_rev"]
                      if item == old_item:
                          continue
                  db[item_id] = item