use write value of opa Wavelength attribute for compensation calculations

src/opathread.py

@@ -39,20 +39,20 @@ class opathread(threading.Thread):
         delaycomp = 0.0
         compressor_position = float('Nan')
         try:
-            lmb0 = self.master.opa.read_attribute('WavelengthSP').value
-        except tango.DevFailed as e:
+            lmb0 = self.master.opa.read_attribute('Wavelength').w_value
+        except tango.DevFailed as ex:
             self.master.set_status('step 1: failed reading  l0')
             self.master.attr_LastSetOk = False
             self.master.attr_LastSetMsg += 'step 1: failed reading  l0\n'
             self.master.error_stream('step 1: failed reading  l0')
-            tango.Except.print_exception(e)
+            tango.Except.print_exception(ex)
 
         if self.master.delay_line_compensation_enabled:
             try:
                 delaycomp = self.master.delay_calc.get_compensation_delay(lmb0, self.lmb)
-                self.master.debug_stream(
+                self.master.info_stream(
                     'opathread step1: , lmb0, lmb, delaycomp %s %s %s' % (lmb0, self.lmb, delaycomp))
-            except ValueError as e:
+            except ValueError as ex:
                 self.master.set_status('step 1: exception calculating  delay comp.')
                 self.master.attr_LastSetOk = False
                 self.master.attr_LastSetMsg += 'step 1: exception calculating  delay comp.\n'
@@ -62,7 +62,7 @@ class opathread(threading.Thread):
         if  self.master.set_compressor and self.master.compressor_calc:
             try:
                 compressor_position = self.master.compressor_calc.get_position(self.lmb)
-            except ValueError as e:
+            except ValueError as ex:
                 self.master.set_status('step 1: exception calculating  compressor position.')
                 self.master.attr_LastSetOk = False
                 self.master.attr_LastSetMsg += 'step 1: exception calculating  compressor position.\n'
@@ -76,8 +76,8 @@ class opathread(threading.Thread):
                     self.master.ltf.command_inout('Standby')
                     self.master.info_stream('LTF Standby OK')
                     restart_LTF = True
-            except tango.DevFailed as e:
-                tango.Except.print_exception(e)
+            except tango.DevFailed as ex:
+                tango.Except.print_exception(ex)
                 self.master.error_stream('LTF Standby FAILED')
                 self.master.attr_LastSetOk = False
                 self.master.attr_LastSetMsg += 'LTF Standby FAILED'
@@ -91,8 +91,8 @@ class opathread(threading.Thread):
                 self.master.info_stream('step 1: start pre sequencer OPA.')
                 self.master.pre_sequencer_opa.command_inout('Start')
                 pre_started = True
-            except tango.DevFailed as e:
-                tango.Except.print_exception(e)
+            except tango.DevFailed as ex:
+                tango.Except.print_exception(ex)
                 self.master.error_stream('Pre sequencer OPA Start FAILED')
                 self.master.attr_LastSetOk = False
                 self.master.attr_LastSetMsg += 'Pre sequencer OPA Start FAILED'
@@ -106,8 +106,8 @@ class opathread(threading.Thread):
                 try:
                     pre_state = self.master.pre_sequencer_opa.state()
                     self.master.info_stream('step 1: check pre sequencer OPA termination.')
-                except tango.DevFailed as e:
-                    tango.Except.print_exception(e)
+                except tango.DevFailed as ex:
+                    tango.Except.print_exception(ex)
                     self.master.set_status('failed reading pre sequencer state')
                     self.master.attr_LastSetMsg += 'failed reading pre sequencer state\n'
                     self.master.error_stream('failed reading pre sequencer state')
@@ -332,8 +332,8 @@ class opathread(threading.Thread):
                 try:
                     post_state = self.master.post_sequencer_opa.state()
                     self.master.info_stream('step 9: check post sequencer OPA termination.')
-                except tango.DevFailed as e:
-                    tango.Except.print_exception(e)
+                except tango.DevFailed as ex:
+                    tango.Except.print_exception(ex)
                     self.master.set_status('failed reading post sequencer state')
                     self.master.attr_LastSetMsg += 'failed reading post sequencer state\n'
                     self.master.error_stream('failed reading post sequencer state')