Merchant API code sample to upscale product image.
Java
// Copyright 2025 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.
package shopping.merchant.samples.productstudio.v1alpha;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.shopping.merchant.productstudio.v1alpha.ImageServiceClient;
import com.google.shopping.merchant.productstudio.v1alpha.ImageServiceSettings;
import com.google.shopping.merchant.productstudio.v1alpha.InputImage;
import com.google.shopping.merchant.productstudio.v1alpha.OutputImageConfig;
import com.google.shopping.merchant.productstudio.v1alpha.UpscaleProductImageRequest;
import com.google.shopping.merchant.productstudio.v1alpha.UpscaleProductImageResponse;
import shopping.merchant.samples.utils.Authenticator;
import shopping.merchant.samples.utils.Config;
/** This class demonstrates how to create upscaled product images. */
public class UpscaleProductImageSample {
private static String getName(String accountId) {
return String.format("accounts/%s", accountId);
}
public static void upscaleProductImage(Config config, String imageUri) throws Exception {
// Obtains OAuth token based on the user's configuration.
GoogleCredentials credential = new Authenticator().authenticate();
ImageServiceSettings imageServiceSettings =
ImageServiceSettings.newBuilder()
.setCredentialsProvider(FixedCredentialsProvider.create(credential))
.build();
String name = getName(config.getAccountId().toString());
// Calls the API and catches and prints any network failures/errors.
try (ImageServiceClient imageServiceClient = ImageServiceClient.create(imageServiceSettings)) {
OutputImageConfig outputImageConfig =
// Set this field to false to return the image bytes in the response instead.
OutputImageConfig.newBuilder().setReturnImageUri(true).build();
InputImage inputImage =
InputImage.newBuilder()
// You can also use image bytes here instead of a URI.
.setImageUri(imageUri)
.build();
UpscaleProductImageRequest request =
UpscaleProductImageRequest.newBuilder()
.setName(name)
.setOutputConfig(outputImageConfig)
.setInputImage(inputImage)
.build();
System.out.println("Sending UpscaleProductImage request: " + name);
UpscaleProductImageResponse response = imageServiceClient.upscaleProductImage(request);
System.out.println("Upscaled product image response below:");
System.out.println(response);
} catch (Exception e) {
System.out.println("An error has occurred: ");
System.out.println(e);
}
}
public static void main(String[] args) throws Exception {
Config config = Config.load();
// Replace with your image URI.
String imageUri = "https://services.google.com/fh/files/misc/ring_image_400_600.jpg";
upscaleProductImage(config, imageUri);
}
}
Python
# -*- coding: utf-8 -*-
# Copyright 2025 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
#
# http://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 class demonstrates how to create upscaled product images."""
from examples.authentication import configuration
from examples.authentication import generate_user_credentials
from google.shopping.merchant_productstudio_v1alpha import ImageServiceClient
from google.shopping.merchant_productstudio_v1alpha import InputImage
from google.shopping.merchant_productstudio_v1alpha import OutputImageConfig
from google.shopping.merchant_productstudio_v1alpha import UpscaleProductImageRequest
# Gets the merchant account ID from the user's configuration.
_ACCOUNT = configuration.Configuration().read_merchant_info()
# The name of the account to which the request is sent.
# Format: accounts/{account}
_NAME = f"accounts/{_ACCOUNT}"
def upscale_product_image(image_uri: str) -> None:
"""Upscales a product image.
Args:
image_uri: The URI of the input image.
"""
# Gets OAuth Credentials.
credentials = generate_user_credentials.main()
# Creates a client.
client = ImageServiceClient(credentials=credentials)
# Creates the output config.
# Set `return_image_uri` to False to return the image bytes in the response.
output_config = OutputImageConfig(return_image_uri=True)
# Creates the input image.
# You can also use image bytes here instead of a URI.
input_image = InputImage(image_uri=image_uri)
# Creates the request.
request = UpscaleProductImageRequest(
name=_NAME, output_config=output_config, input_image=input_image
)
# Makes the request and catches and prints any error messages.
try:
print(f"Sending UpscaleProductImage request: {_NAME}")
response = client.upscale_product_image(request=request)
print("Upscaled product image response below:")
print(response)
except RuntimeError as e:
print("Request failed.")
print(e)
if __name__ == "__main__":
# The URI of the image to upscale.
# Replace with your image URI.
_IMAGE_URI = "https://services.google.com/fh/files/misc/ring_image_400_600.jpg"
upscale_product_image(_IMAGE_URI)