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PythonでSesami APIをたたく

Last updated at Posted at 2020-05-10

#やったこと
ラズパイから自宅のスマートロック(Sesami)を制御します。

#参考
Sesame API Version 3 のチュートリアル

#作成部分
tokenは固有のものを使用してください。

##[STEP1] device_idの取得

# keyを指定してデバイス情報をstrで取得する
# args: device_id, serial, nickname
def get_device_info(key):

    url = "https://api.candyhouse.co/public/sesames"
    headers = {"Authorization": token}

    r = requests.get(url, headers=headers)
    json_data = r.json()

    return json_data[0][key]

##[STEP2] 鍵をunlock or lockする
URLがSTEP1と微妙に違うので注意。
STEP1:https://api.candyhouse.co/public/sesames
STEP2:https://api.candyhouse.co/public/sesame

# 鍵の状態がlockならunlock, unlockならlockする
def toggle_device_key(device_id):
    url = "https://api.candyhouse.co/public/sesame/" + device_id
    headers = {"Authorization": token}

    if key_is_locked(device_id) is True:  # locked
        r = requests.post(url, headers=headers, data='{"command":"unlock"}')
    elif key_is_locked(device_id) is False:  # unlocked
        r = requests.post(url, headers=headers, data='{"command":"lock"}')
    else:
        print("error! toggle_device_key")
        return

    json_data = r.json()

    return json_data["task_id"]

##[STEP3] 正常にコマンドが実行されたか確認

# task_idを指定して実行結果をbooleanで返す
def check_task_state(task_id):
    url = "https://api.candyhouse.co/public/action-result?"
    headers = {"Authorization": token}

    # task_idが空なら何もしない
    if task_id is None:
        return

    r = requests.get(url + "task_id=" + task_id, headers=headers)
    json_data = r.json()

    # statusが完了(terminated)になるまで待つ
    while json_data["status"] != "terminated":
        # wait
        time.sleep(3)
        # retry
        r = requests.get(url + "task_id=" + task_id, headers=headers)
        json_data = r.json()
    else:
        # 実行結果のステータスをbooleanで返す
        return json_data["successful"]
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