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[AI-FSSDK] (DO NOT REVIEW) [FSSDK-12262] Exclude CMAB from UserProfileService #27

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[AI-FSSDK] (DO NOT REVIEW) [FSSDK-12262] Exclude CMAB from UserProfileService #27

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11 changes: 9 additions & 2 deletions optimizely/decision_service.py
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Original file line number Diff line number Diff line change
Expand Up @@ -457,7 +457,13 @@ def get_variation(
}

# Check to see if user has a decision available for the given experiment
if user_profile_tracker is not None and not ignore_user_profile:
# CMAB experiments are excluded from UPS because CMAB's dynamic nature
# is incompatible with sticky bucketing (UPS doesn't consider TTL or user attributes).
if experiment.cmab:
message = f'Skipping user profile service for CMAB experiment "{experiment.key}".'
self.logger.info(message)
decide_reasons.append(message)
elif user_profile_tracker is not None and not ignore_user_profile:
variation = self.get_stored_variation(project_config, experiment, user_profile_tracker.get_user_profile())
if variation:
message = f'Returning previously activated variation ID "{variation}" of experiment ' \
Expand Down Expand Up @@ -529,7 +535,8 @@ def get_variation(
self.logger.info(message)
decide_reasons.append(message)
# Store this new decision and return the variation for the user
if user_profile_tracker is not None and not ignore_user_profile:
# CMAB experiments are excluded from UPS to preserve dynamic bucketing behavior.
if user_profile_tracker is not None and not ignore_user_profile and not experiment.cmab:
try:
user_profile_tracker.update_user_profile(experiment, variation)
except:
Expand Down
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