Function get_experiment_rollout

api/experimentation/services.py:658–691

(experiment: Experiment)

def get_experiment_rollout(experiment: Experiment) -> dict[str, typing.Any] | None:
    segment_id = experiment.rollout_segment_id
    if segment_id is None:
        return None

    feature_state = FeatureState.objects.get_live_feature_states(
        environment=experiment.environment,
        additional_filters=Q(
            feature_segment__segment_id=segment_id, identity__isnull=True
        ),
        feature_id=experiment.feature_id,
    ).latest("id")

    condition = Condition.objects.get(
        rule__segment_id=segment_id, operator=PERCENTAGE_SPLIT
    )
    value = feature_state.feature_state_value
    return {
        "enabled": feature_state.enabled,
        "rollout_percentage": float(condition.value or 0),
        "feature_state_value": {
            "type": _ROLLOUT_VALUE_TYPE.get(value.type or STRING, "string"),
            "value": (
                str(value.value).lower() if value.type == BOOLEAN else str(value.value)
            ),
        },
        "multivariate_feature_state_values": [
            {
                "multivariate_feature_option": mv.multivariate_feature_option_id,
                "percentage_allocation": mv.percentage_allocation,
            }
            for mv in feature_state.multivariate_feature_state_values.all()
        ],
    }


def enable_experiment_rollout(experiment: Experiment, author: AuthorData) -> None: