隐去图片中所有检测到的文本。
包含此代码示例的文档页面
如需查看上下文中使用的代码示例,请参阅以下文档:
代码示例
Java
如需了解如何安装和使用 Cloud DLP 客户端库,请参阅 Cloud DLP 客户端库。
import com.google.cloud.dlp.v2.DlpServiceClient;
import com.google.privacy.dlp.v2.ByteContentItem;
import com.google.privacy.dlp.v2.ByteContentItem.BytesType;
import com.google.privacy.dlp.v2.LocationName;
import com.google.privacy.dlp.v2.RedactImageRequest;
import com.google.privacy.dlp.v2.RedactImageRequest.ImageRedactionConfig;
import com.google.privacy.dlp.v2.RedactImageResponse;
import com.google.protobuf.ByteString;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
class RedactImageFileAllText {
public static void main(String[] args) throws IOException {
// TODO(developer): Replace these variables before running the sample.
String projectId = "my-project-id";
String inputPath = "src/test/resources/sensitive-data-image.jpeg";
String outputPath = "sensitive-data-image-redacted.jpeg";
redactImageFileAllText(projectId, inputPath, outputPath);
}
static void redactImageFileAllText(String projectId, String inputPath, String outputPath)
throws IOException {
// Initialize client that will be used to send requests. This client only needs to be created
// once, and can be reused for multiple requests. After completing all of your requests, call
// the "close" method on the client to safely clean up any remaining background resources.
try (DlpServiceClient dlp = DlpServiceClient.create()) {
// Specify the content to be redacted.
ByteString fileBytes = ByteString.readFrom(new FileInputStream(inputPath));
ByteContentItem byteItem =
ByteContentItem.newBuilder().setType(BytesType.IMAGE_JPEG).setData(fileBytes).build();
// Enable redaction of all text.
ImageRedactionConfig imageRedactionConfig =
ImageRedactionConfig.newBuilder().setRedactAllText(true).build();
// Construct the Redact request to be sent by the client.
// Do not specify the type of info to redact.
RedactImageRequest request =
RedactImageRequest.newBuilder()
.setParent(LocationName.of(projectId, "global").toString())
.setByteItem(byteItem)
.addImageRedactionConfigs(imageRedactionConfig)
.build();
// Use the client to send the API request.
RedactImageResponse response = dlp.redactImage(request);
// Parse the response and process results.
FileOutputStream redacted = new FileOutputStream(outputPath);
redacted.write(response.getRedactedImage().toByteArray());
redacted.close();
System.out.println("Redacted image written to " + outputPath);
}
}
}
Python
如需了解如何安装和使用 Cloud DLP 客户端库,请参阅 Cloud DLP 客户端库。
def redact_image_all_text(
project, filename, output_filename,
):
"""Uses the Data Loss Prevention API to redact all text in an image.
Args:
project: The Google Cloud project id to use as a parent resource.
filename: The path to the file to inspect.
output_filename: The path to which the redacted image will be written.
Returns:
None; the response from the API is printed to the terminal.
"""
# Import the client library
import google.cloud.dlp
# Instantiate a client.
dlp = google.cloud.dlp_v2.DlpServiceClient()
# Construct the image_redaction_configs, indicating to DLP that all text in
# the input image should be redacted.
image_redaction_configs = [{"redact_all_text": True}]
# Construct the byte_item, containing the file's byte data.
with open(filename, mode="rb") as f:
byte_item = {"type_": google.cloud.dlp_v2.FileType.IMAGE, "data": f.read()}
# Convert the project id into a full resource id.
parent = f"projects/{project}"
# Call the API.
response = dlp.redact_image(
request={
"parent": parent,
"image_redaction_configs": image_redaction_configs,
"byte_item": byte_item,
}
)
# Write out the results.
with open(output_filename, mode="wb") as f:
f.write(response.redacted_image)
print(
"Wrote {byte_count} to {filename}".format(
byte_count=len(response.redacted_image), filename=output_filename
)
)
后续步骤
如需搜索和过滤其他 Google Cloud 产品的代码示例,请参阅 Google Cloud 示例浏览器。