Karabo 2.10 does not allow slotName for KARABO_SLOT

src/calng/base_correction.py

@@ -32,6 +32,8 @@ from karabo.bound import (
 )
 from karabo.common.api import KARABO_SCHEMA_DISPLAY_TYPE_SCENES as DT_SCENES
 from karabo.common.states import State
+from karabo import version as karaboVersion
+from pkg_resources import parse_version
 
 from . import scenes, shmem_utils, utils
 from ._version import version as deviceVersion
@@ -460,31 +462,32 @@ class BaseCorrection(PythonDevice):
         )
         self._last_processing_started = 0  # not input handler should put timestamp
         self._rate_update_timer = utils.RepeatingTimer(
-            interval=0.5,
+            interval=1,
             callback=self._update_rate_and_state,
         )
         self._buffer_lock = threading.Lock()
         self.KARABO_SLOT(self.loadMostRecentConstants)
         self.KARABO_SLOT(self.requestScene)
 
-        # TODO: the CalCatFriend could add these for us
-        # note: overly complicated slot function creation necessary for closure to work
-        def make_wrapper_capturing_constant(constant):
-            def aux():
-                self.calcat_friend.get_specific_constant_version_and_call_me_back(
-                    constant, self._load_constant_to_gpu
+        if parse_version(karaboVersion) >= parse_version("2.11"):
+            # TODO: the CalCatFriend could add these for us
+            # note: overly complicated slot function creation necessary for closure to work
+            def make_wrapper_capturing_constant(constant):
+                def aux():
+                    self.calcat_friend.get_specific_constant_version_and_call_me_back(
+                        constant, self._load_constant_to_gpu
+                    )
+
+                return aux
+
+            for constant in self._constant_enum_class:
+                slot_name = f"foundConstants.{constant.name}.overrideConstantVersion"
+                meth_name = slot_name.replace(".", "_")
+                self.KARABO_SLOT(
+                    make_wrapper_capturing_constant(constant),
+                    slotName=meth_name,
                 )
 
-            return aux
-
-        for constant in self._constant_enum_class:
-            slot_name = f"foundConstants.{constant.name}.overrideConstantVersion"
-            meth_name = slot_name.replace(".", "_")
-            self.KARABO_SLOT(
-                make_wrapper_capturing_constant(constant),
-                slotName=meth_name,
-            )
-
     def preReconfigure(self, config):
         for ts_path in (
             "constantParameters.deviceMappingSnapshotAt",

src/calng/calcat_utils.py

@@ -25,6 +25,8 @@ from karabo.bound import (
     STRING_ELEMENT,
     UINT32_ELEMENT,
 )
+from karabo import version as karaboVersion
+from pkg_resources import parse_version
 
 from . import utils
 
@@ -91,11 +93,14 @@ def _add_status_schema_from_enum(schema, prefix, enum_class):
             .defaultValue("")
             .reconfigurable()
             .commit(),
-            SLOT_ELEMENT(schema)
-            .key(f"{constant_node}.overrideConstantVersion")
-            .displayedName("Override constant version")
-            .commit(),
         )
+        if parse_version(karaboVersion) >= parse_version("2.11"):
+            (
+                SLOT_ELEMENT(schema)
+                .key(f"{constant_node}.overrideConstantVersion")
+                .displayedName("Override constant version")
+                .commit(),
+            )
 
 
 class DetectorStandin(typing.NamedTuple):