class Switchgear:
    def __init__(self, name, max_voltage, max_current):
        self.name = name
        self.max_voltage = max_voltage
        self.max_current = max_current
        self.isolated = False
        self.circuit_status = "CLOSED" 
        self.fault_detected = False

    def control_circuit(self, action):

        # action refers to opening or closing the circuit 

        if action.upper() in ["OPEN", "CLOSE"]:
            self.circuit_status = action.upper()
        else:
            print("Invalid action. Use 'OPEN' or 'CLOSE'.")

    def protect(self, voltage, current):
        
        # A fault is detected in two situations:
        # - The current exceeds the max current
        # - The voltage exceeds the max voltage

        if voltage > self.max_voltage or current > self.max_current:
            self.fault_detected = True
            self.control_circuit("OPEN")
        else:
            self.fault_detected = False

    def isolate(self, status):
        
        # status is a boolean value: 1 = isolated, 0 = not isolated

        self.isolated = status

int main(int argc, char *argv[]) {

    PyStatus status;
    PyConfig config;
    PyConfig_InitPythonConfig(&config);

    /* Add a built-in module, before Py_Initialize */
    if (PyImport_AppendInittab("dnp3_extensions", PyInit_outstation) == -1) {
        fprintf(stderr, "Error: could not extend in-built modules table\n");
        exit(1);
    }

    /* Pass argv[0] to the Python interpreter */
    status = PyConfig_SetBytesString(&config, &config.program_name, argv[0]);
    if (PyStatus_Exception(status)) {
        goto exception;
    }

    /* Initialize the Python interpreter.  Required.
       If this step fails, it will be a fatal error. */
    status = Py_InitializeFromConfig(&config);
    if (PyStatus_Exception(status)) {
        goto exception;
    }
    PyConfig_Clear(&config);

    /* Optionally import the module; alternatively,
       import can be deferred until the embedded script
       imports it. */
    PyObject *pmodule = PyImport_ImportModule("dnp3_extensions");
    if (!pmodule) {
        PyErr_Print();
        fprintf(stderr, "Error: could not import module 'dnp3_extensions'\n");
    }

git cherry-pick d425252
git cherry-pick 2c97a33
git cherry-pick f8e3dc4