diff options
Diffstat (limited to 'lib/taurus/core/tango/tangoattribute.py')
| -rw-r--r--[-rwxr-xr-x] | lib/taurus/core/tango/tangoattribute.py | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/taurus/core/tango/tangoattribute.py b/lib/taurus/core/tango/tangoattribute.py index 9bd9af00..b0620881 100755..100644 --- a/lib/taurus/core/tango/tangoattribute.py +++ b/lib/taurus/core/tango/tangoattribute.py @@ -119,8 +119,10 @@ class TangoAttrValue(TaurusAttrValue): for _ in range(len(shape) - 1): p.value = [p.value] - rvalue = p.value - wvalue = p.w_value + # Protect against DeviceAttribute not providing .value in some cases, + # seen e.g. in PyTango 9.3.0 + rvalue = getattr(p, 'value', None) + wvalue = getattr(p, 'w_value', None) if numerical: units = self._attrRef._units if rvalue is not None: @@ -324,6 +326,7 @@ class TangoAttribute(TaurusAttribute): def cleanUp(self): self.trace("[TangoAttribute] cleanUp") self._unsubscribeConfEvents() + self._unsubscribeChangeEvents() TaurusAttribute.cleanUp(self) self.__dev_hw_obj = None self._pytango_attrinfoex = None @@ -417,7 +420,7 @@ class TangoAttribute(TaurusAttribute): elif fmt in (DataFormat._1D, DataFormat._2D): if PyTango.is_int_type(tgtype): # cast to integer because the magnitude conversion gives floats - attrvalue = magnitude.astype('int64') + attrvalue = numpy.array(magnitude, copy=False, dtype='int64') elif tgtype == PyTango.CmdArgType.DevUChar: attrvalue = magnitude.view('uint8') else: @@ -600,7 +603,7 @@ class TangoAttribute(TaurusAttribute): assert len(listeners) >= 1 if self.__subscription_state == SubscriptionState.Unsubscribed and len(listeners) == 1: - self._subscribeEvents() + self._subscribeChangeEvents() # if initial_subscription_state == SubscriptionState.Subscribed: if (len(listeners) > 1 @@ -630,7 +633,7 @@ class TangoAttribute(TaurusAttribute): return ret if self.__subscription_state != SubscriptionState.Unsubscribed: - self._unsubscribeEvents() + self._unsubscribeChangeEvents() return ret @@ -654,7 +657,7 @@ class TangoAttribute(TaurusAttribute): def _process_event_exception(self, ex): pass - def _subscribeEvents(self): + def _subscribeChangeEvents(self): """ Enable subscription to the attribute events. If change events are not supported polling is activated """ @@ -705,7 +708,7 @@ class TangoAttribute(TaurusAttribute): return self.__chg_evt_id - def _unsubscribeEvents(self): + def _unsubscribeChangeEvents(self): # Careful in this method: This is intended to be executed in the cleanUp # so we should not access external objects from the factory, like the # parent object |