update: add cmab_service parameter to Optimizely constructor for CMAB support

Author: FarhanAnjum-opti

optimizely/optimizely.py

@@ -44,6 +44,7 @@
 from .optimizely_config import OptimizelyConfig, OptimizelyConfigService
 from .optimizely_user_context import OptimizelyUserContext, UserAttributes
 from .project_config import ProjectConfig
+from .cmab.cmab_service import DefaultCmabService
 
 if TYPE_CHECKING:
     # prevent circular dependency by skipping import at runtime
@@ -69,7 +70,8 @@ def __init__(
             datafile_access_token: Optional[str] = None,
             default_decide_options: Optional[list[str]] = None,
             event_processor_options: Optional[dict[str, Any]] = None,
-            settings: Optional[OptimizelySdkSettings] = None
+            settings: Optional[OptimizelySdkSettings] = None,
+            cmab_service: Optional[DefaultCmabService] = None
     ) -> None:
         """ Optimizely init method for managing Custom projects.
 
@@ -98,6 +100,7 @@ def __init__(
           default_decide_options: Optional list of decide options used with the decide APIs.
           event_processor_options: Optional dict of options to be passed to the default batch event processor.
           settings: Optional instance of OptimizelySdkSettings for sdk configuration.
+          cmab_service: Optional instance of DefaultCmabService for Contextual Multi-Armed Bandit (CMAB) support.
         """
         self.logger_name = '.'.join([__name__, self.__class__.__name__])
         self.is_valid = True
@@ -169,7 +172,10 @@ def __init__(
         self._setup_odp(self.config_manager.get_sdk_key())
 
         self.event_builder = event_builder.EventBuilder()
-        self.decision_service = decision_service.DecisionService(self.logger, user_profile_service)
+        if cmab_service:
+            cmab_service.logger = self.logger
+        self.cmab_service = cmab_service
+        self.decision_service = decision_service.DecisionService(self.logger, user_profile_service, cmab_service)
         self.user_profile_service = user_profile_service
 
     def _validate_instantiation_options(self) -> None: