Refactor GetIDN, GetMAC and GetErrorState to use WriteReadSocket method for consistency

GEpressCtrlPACE5000/GEpressCtrlPACE5000.py

@@ -157,11 +157,8 @@ class GEpressCtrlPACE5000 (PyTango.LatestDeviceImpl):
         self.debug_stream("In GetIDN()")
         argout = ""
         #----- PROTECTED REGION ID(GEpressCtrlPACE5000.GetIDN) ENABLED START -----#
-        cmd = six.b("*IDN?\n")
-        self.socket.send(cmd)
-        argout = self.socket.recv(100)
-        argout = argout.decode("utf-8")
-        argout = argout.replace("*IDN ", "")
+        response = self.WriteReadSocket("*IDN?")
+        _, argout = response.split(" ", 1)
         self.info_stream("Device identification: " + argout)
         
         #----- PROTECTED REGION END -----#	//	GEpressCtrlPACE5000.GetIDN
@@ -183,11 +180,8 @@ class GEpressCtrlPACE5000 (PyTango.LatestDeviceImpl):
         self.debug_stream("In GetMAC()")
         argout = ""
         #----- PROTECTED REGION ID(GEpressCtrlPACE5000.GetMAC) ENABLED START -----#
-        cmd =  six.b("INST:MAC?\n")
-        self.socket.send(cmd)
-        argout = self.socket.recv(100)
-        argout = argout.decode("utf-8")
-        argout = argout.replace(":INST:MAC ", "")
+        response = self.WriteReadSocket("INST:MAC?")
+        _, argout = response.split(" ", 1)
         self.info_stream("Device MAC address: " + argout)
         
         #----- PROTECTED REGION END -----#	//	GEpressCtrlPACE5000.GetMAC
@@ -210,11 +204,9 @@ class GEpressCtrlPACE5000 (PyTango.LatestDeviceImpl):
         argout = ""
         #----- PROTECTED REGION ID(GEpressCtrlPACE5000.GetErrorState) ENABLED START -----#
         
-        cmd =  six.b("SYST:ERR?\n")
-        self.socket.send(cmd)
-        return_str = self.socket.recv(100)
-        return_str = return_str.decode("utf-8")
-        return_str = return_str.replace(":SYST:ERR ", "")
+        response = self.WriteReadSocket("SYST:ERR?")
+        _, return_str = response.split(" ", 1)
+        
         value = int(return_str.split(",")[0])
         if value == 0:
             argout = "No error"