Method has

src/core/pyproxy.ts:1083–1097

* This translates to the Python code ``key in obj``. * * @param key The key to check for. * @returns Is ``key`` present?

(key: any)

   * @returns Is ``key`` present?
   */
  has(key: any): boolean {
    let ptrobj = _getPtr(this);
    let result;
    try {
      Py_ENTER();
      result = __pyproxy_contains(ptrobj, key);
      Py_EXIT();
    } catch (e) {
      API.fatal_error(e);
    }
    if (result === -1) {
      _pythonexc2js();
    }
    return result === 1;
  }
}

/**