How to read and write values to OPC UA server using python restful api?-CodePudding

I have created the python web service using rest api and build UI using pyside6. when i give post values from UI using rest api it should be able to then write/post to opcua server.How can i achieve this or what will be the approach.

Need with code example. Big thank you. here i have to make changes in api service written in python ->

@requires_login
def post_car_setting(api_key, id: str, car_settings_schema: CarSettingsSchema, login=None) -> Response:
    carModel:CarModel=CarModel.fetch_by_id(id)
    if carModel is not None:
        car_settings = CarSettingsModel.from_schema(car_settings_schema)
        carModel.car_settings=car_settings
        carModel.modified_by=login
        carModel.modified_on=datetime.now()
        carModel.update()
        ##opcua call hook
        return Response(body=carModel.car_settings).send_response()
    else:
        return Response(False,ErrorCodes.NOT_FOUND)

this code says that it save my car settings such as speed as 30 to local schema.in my UI app which is written in python qml im using post method to save setting.i have to save car speed to opcua server from api service (in above code snippets). how the code/ logic is going to be.

CodePudding user response：

You can use asyncua to access the server data. If you need a example how access the server use this as starting point. For the integration I can't help you without knowing which framework you are using.

CodePudding user response：

I´m not sure if you want to make a OPC UA Server (with a UI) or you want to make an OPC UA Client that connect to an existing server.

For both solutions there are examples:

Write an variable server-side

Write an variable client-side