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redact_image_all_text.py
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/
redact_image_all_text.py
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# Copyright 2023 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.
"""Sample app that uses the Data Loss Prevent API to redact the contents of
an image file."""
import argparse
# [START dlp_redact_image_all_text]
import google.cloud.dlp
def redact_image_all_text(
project: str,
filename: str,
output_filename: str,
) -> None:
"""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.
"""
# 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
)
)
# [END dlp_redact_image_all_text]
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"--project",
help="The Google Cloud project id to use as a parent resource.",
)
parser.add_argument("filename", help="The path to the file to inspect.")
parser.add_argument(
"output_filename",
help="The path to which the redacted image will be written.",
)
args = parser.parse_args()
redact_image_all_text(
args.project,
args.filename,
args.output_filename,
)