printer.py 文件源码

def _get_temperature_data(preprocessor):
    if not printer.is_operational():
        return make_response("Printer is not operational", 409)

    tempData = printer.get_current_temperatures()

    if "history" in request.values.keys() and request.values["history"] in valid_boolean_trues:
        tempHistory = printer.get_temperature_history()

        limit = 300
        if "limit" in request.values.keys() and unicode(request.values["limit"]).isnumeric():
            limit = int(request.values["limit"])

        history = list(tempHistory)
        limit = min(limit, len(history))

        tempData.update({
            "history": map(lambda x: preprocessor(x), history[-limit:])
        })

    return preprocessor(tempData)