Changes for release 24_1.

ChangeLog

@@ -1,3 +1,8 @@
+* 31.0.0
+- Google Ads API v24_1 release.
+- Remove Google Ads API v20.
+- Update ansync example tests to remove unecessary mocking.
+
 * 30.1.0
 - Google Ads API v24 release.
 - Update examples to use Google Ads API v24.

examples/experiments/create_asset_optimization_experiment.py

@@ -0,0 +1,301 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""This example shows how to create an OPTIMIZE_ASSETS experiment.
+
+Asset optimization experiments are used to test different asset combinations
+within Performance Max campaigns.
+"""
+
+import argparse
+import sys
+from typing import List, Tuple, Any
+from uuid import uuid4
+
+from examples.utils.example_helpers import get_image_bytes_from_url
+from google.ads.googleads.client import GoogleAdsClient
+from google.ads.googleads.errors import GoogleAdsException
+from google.ads.googleads.v24.services.types.google_ads_service import (
+    MutateOperation,
+)
+
+
+def main(
+    client: GoogleAdsClient, customer_id: str, asset_group_id: str
+) -> None:
+    """Creates an OPTIMIZE_ASSETS experiment.
+
+    Args:
+        client: An initialized GoogleAdsClient instance.
+        customer_id: The Google Ads customer ID.
+        asset_group_id: The base asset group ID to run the experiment on.
+    """
+    googleads_service = client.get_service("GoogleAdsService")
+
+    # Temp IDs
+    ASSET_1_TEMP_ID = "-1"
+    EXPERIMENT_TEMP_ID = "-2"
+    ASSET_2_TEMP_ID = "-3"
+
+    # [START create_asset_optimization_experiment_1]
+    # 1. Create Assets with temporary resource names.
+    # We create a text asset and an image asset to showcase different types.
+    asset_operation_1 = create_text_asset_operation(
+        client,
+        customer_id,
+        ASSET_1_TEMP_ID,
+        "Fly to Mars with Interplanetary Cruises!",
+    )
+    asset_operation_2 = create_image_asset_operation(
+        client,
+        customer_id,
+        ASSET_2_TEMP_ID,
+        "https://gaagl.page.link/Eit5",
+        "Mars Landscape View",
+    )
+
+    # 2. Create an Experiment with a temporary resource name.
+    experiment_operation = client.get_type("MutateOperation")
+    experiment = experiment_operation.experiment_operation.create
+    experiment.resource_name = googleads_service.experiment_path(
+        customer_id, EXPERIMENT_TEMP_ID
+    )
+    experiment.name = f"Interstellar Asset Experiment #{uuid4()}"
+    experiment.type_ = client.enums.ExperimentTypeEnum.OPTIMIZE_ASSETS
+    # Set the optimize assets experiment subtype to COMPARE_ASSETS.
+    experiment.optimize_assets_experiment.optimize_assets_experiment_subtype = (
+        client.enums.OptimizeAssetsExperimentSubtypeEnum.COMPARE_ASSETS
+    )
+    experiment.status = client.enums.ExperimentStatusEnum.SETUP
+
+    # 3. Create two ExperimentArm resources.
+    treatment_assets = [
+        (ASSET_1_TEMP_ID, client.enums.AssetFieldTypeEnum.HEADLINE),
+        (ASSET_2_TEMP_ID, client.enums.AssetFieldTypeEnum.MARKETING_IMAGE),
+    ]
+    arm_operations = create_arms_operations(
+        client,
+        customer_id,
+        EXPERIMENT_TEMP_ID,
+        asset_group_id,
+        treatment_assets,
+    )
+
+    # 4. Create AssetGroupAssets linking the assets to the asset group.
+    asset_group_asset_operation_1 = create_asset_group_asset_operation(
+        client,
+        customer_id,
+        asset_group_id,
+        ASSET_1_TEMP_ID,
+        client.enums.AssetFieldTypeEnum.HEADLINE,
+    )
+    asset_group_asset_operation_2 = create_asset_group_asset_operation(
+        client,
+        customer_id,
+        asset_group_id,
+        ASSET_2_TEMP_ID,
+        client.enums.AssetFieldTypeEnum.MARKETING_IMAGE,
+    )
+
+    # Send all operations in a single Mutate request.
+    # The operations must be in this specific order.
+    mutate_operations = [
+        asset_operation_1,
+        asset_operation_2,
+        experiment_operation,
+        *arm_operations,
+        asset_group_asset_operation_1,
+        asset_group_asset_operation_2,
+    ]
+
+    response = googleads_service.mutate(
+        customer_id=customer_id,
+        mutate_operations=mutate_operations,
+    )
+    # [END create_asset_optimization_experiment_1]
+
+    # Print the results.
+    print(
+        "Created headline asset:"
+        f" {response.mutate_operation_responses[0].asset_result.resource_name}"
+    )
+    print(
+        "Created image asset:"
+        f" {response.mutate_operation_responses[1].asset_result.resource_name}"
+    )
+    print(
+        "Created experiment:"
+        f" {response.mutate_operation_responses[2].experiment_result.resource_name}"
+    )
+    print(
+        "Created control arm:"
+        f" {response.mutate_operation_responses[3].experiment_arm_result.resource_name}"
+    )
+    print(
+        "Created treatment arm:"
+        f" {response.mutate_operation_responses[4].experiment_arm_result.resource_name}"
+    )
+    print(
+        "Created asset group asset for headline:"
+        f" {response.mutate_operation_responses[5].asset_group_asset_result.resource_name}"
+    )
+    print(
+        "Created asset group asset for image:"
+        f" {response.mutate_operation_responses[6].asset_group_asset_result.resource_name}"
+    )
+
+
+def create_text_asset_operation(
+    client: GoogleAdsClient, customer_id: str, temp_id: str, text: str
+) -> MutateOperation:
+    """Creates a mutate operation for a text asset."""
+    googleads_service = client.get_service("GoogleAdsService")
+    operation = client.get_type("MutateOperation")
+    asset = operation.asset_operation.create
+    asset.resource_name = googleads_service.asset_path(customer_id, temp_id)
+    asset.text_asset.text = text
+    return operation
+
+
+def create_image_asset_operation(
+    client: GoogleAdsClient,
+    customer_id: str,
+    temp_id: str,
+    url: str,
+    name: str,
+) -> MutateOperation:
+    """Creates a mutate operation for an image asset."""
+    googleads_service = client.get_service("GoogleAdsService")
+    operation = client.get_type("MutateOperation")
+    asset = operation.asset_operation.create
+    asset.resource_name = googleads_service.asset_path(customer_id, temp_id)
+    asset.name = name
+    asset.type_ = client.enums.AssetTypeEnum.IMAGE
+    asset.image_asset.data = get_image_bytes_from_url(url)
+    return operation
+
+
+def create_arms_operations(
+    client: GoogleAdsClient,
+    customer_id: str,
+    experiment_temp_id: str,
+    asset_group_id: str,
+    treatment_assets: List[Tuple[str, Any]],
+) -> List[MutateOperation]:
+    """Creates mutate operations for control and treatment arms."""
+    googleads_service = client.get_service("GoogleAdsService")
+    experiment_arm_type = client.get_type("ExperimentArm")
+    operations = []
+
+    # Control arm
+    control_operation = client.get_type("MutateOperation")
+    control = control_operation.experiment_arm_operation.create
+    control.experiment = googleads_service.experiment_path(
+        customer_id, experiment_temp_id
+    )
+    control.name = "Base Assets (Control)"
+    control.control = True
+    control.traffic_split = 50
+
+    asset_group_info_control = experiment_arm_type.AssetGroupInfo()
+    asset_group_info_control.asset_group = googleads_service.asset_group_path(
+        customer_id, asset_group_id
+    )
+    control.asset_groups.append(asset_group_info_control)
+    operations.append(control_operation)
+
+    # Treatment arm
+    treatment_operation = client.get_type("MutateOperation")
+    treatment = treatment_operation.experiment_arm_operation.create
+    treatment.experiment = googleads_service.experiment_path(
+        customer_id, experiment_temp_id
+    )
+    treatment.name = "New Assets (Treatment)"
+    treatment.control = False
+    treatment.traffic_split = 50
+
+    asset_group_info_treatment = experiment_arm_type.AssetGroupInfo()
+    asset_group_info_treatment.asset_group = googleads_service.asset_group_path(
+        customer_id, asset_group_id
+    )
+
+    for asset_temp_id, field_type in treatment_assets:
+        asset_group_asset_info = experiment_arm_type.AssetGroupAssetInfo()
+        asset_group_asset_info.asset = googleads_service.asset_path(
+            customer_id, asset_temp_id
+        )
+        asset_group_asset_info.field_type = field_type
+        asset_group_info_treatment.asset_group_assets.append(
+            asset_group_asset_info
+        )
+
+    treatment.asset_groups.append(asset_group_info_treatment)
+    operations.append(treatment_operation)
+
+    return operations
+
+
+def create_asset_group_asset_operation(
+    client: GoogleAdsClient,
+    customer_id: str,
+    asset_group_id: str,
+    asset_temp_id: str,
+    field_type: Any,
+) -> MutateOperation:
+    """Creates a mutate operation for an asset group asset."""
+    googleads_service = client.get_service("GoogleAdsService")
+    operation = client.get_type("MutateOperation")
+    aga = operation.asset_group_asset_operation.create
+    aga.asset_group = googleads_service.asset_group_path(
+        customer_id, asset_group_id
+    )
+    aga.asset = googleads_service.asset_path(customer_id, asset_temp_id)
+    aga.field_type = field_type
+    return operation
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Creates an OPTIMIZE_ASSETS experiment."
+    )
+    parser.add_argument(
+        "-c",
+        "--customer_id",
+        type=str,
+        required=True,
+        help="The Google Ads customer ID.",
+    )
+    parser.add_argument(
+        "-a",
+        "--asset_group_id",
+        type=str,
+        required=True,
+        help="The base asset group ID to run the experiment on.",
+    )
+    args = parser.parse_args()
+
+    googleads_client = GoogleAdsClient.load_from_storage(version="v24")
+
+    try:
+        main(googleads_client, args.customer_id, args.asset_group_id)
+    except GoogleAdsException as ex:
+        print(
+            f'Request with ID "{ex.request_id}" failed with status '
+            f'"{ex.error.code().name}" and includes the following errors:'
+        )
+        for error in ex.failure.errors:
+            print(f'\tError with message "{error.message}".')
+            if error.location:
+                for field_path_element in error.location.field_path_elements:
+                    print(f"\t\tOn field: {field_path_element.field_name}")
+        sys.exit(1)