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deidentify_table_infotypes.py
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deidentify_table_infotypes.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.
"""Uses of the Data Loss Prevention API for de-identifying sensitive data
contained in table."""
from __future__ import annotations
import argparse
# [START dlp_deidentify_table_infotypes]
from typing import Dict, List, Union
import google.cloud.dlp
def deidentify_table_replace_with_info_types(
project: str,
table_data: Dict[str, Union[List[str], List[List[str]]]],
info_types: List[str],
deid_content_list: List[str],
) -> None:
""" Uses the Data Loss Prevention API to de-identify sensitive data in a
table by replacing them with info type.
Args:
project: The Google Cloud project id to use as a parent resource.
table_data: Json string representing table data.
info_types: A list of strings representing info types to look for.
A full list of info type categories can be fetched from the API.
deid_content_list: A list of fields in table to de-identify
Returns:
None; the response from the API is printed to the terminal.
Example:
>> $ python deidentify_table_infotypes.py \
'{
"header": ["name", "email", "phone number"],
"rows": [
["Robert Frost", "robertfrost@example.com", "4232342345"],
["John Doe", "johndoe@example.com", "4253458383"]
]
}' \
["PERSON_NAME"] ["name"]
>> '{
"header": ["name", "email", "phone number"],
"rows": [
["[PERSON_NAME]", "robertfrost@example.com", "4232342345"],
["[PERSON_NAME]", "johndoe@example.com", "4253458383"]
]
}'
"""
# Instantiate a client.
dlp = google.cloud.dlp_v2.DlpServiceClient()
# Construct the `table`. For more details on the table schema, please see
# https://cloud.google.com/dlp/docs/reference/rest/v2/ContentItem#Table
headers = [{"name": val} for val in table_data["header"]]
rows = []
for row in table_data["rows"]:
rows.append({"values": [{"string_value": cell_val} for cell_val in row]})
table = {"headers": headers, "rows": rows}
# Construct item
item = {"table": table}
# Specify fields to be de-identified
deid_content_list = [{"name": _i} for _i in deid_content_list]
# Construct inspect configuration dictionary
inspect_config = {"info_types": [{"name": info_type} for info_type in info_types]}
# Construct deidentify configuration dictionary
deidentify_config = {
"record_transformations": {
"field_transformations": [
{
"info_type_transformations": {
"transformations": [
{
"primitive_transformation": {
"replace_with_info_type_config": {}
}
}
]
},
"fields": deid_content_list,
}
]
}
}
# Convert the project id into a full resource id.
parent = f"projects/{project}/locations/global"
# Call the API.
response = dlp.deidentify_content(
request={
"parent": parent,
"deidentify_config": deidentify_config,
"item": item,
"inspect_config": inspect_config,
}
)
# Print the result
print(f"Table after de-identification: {response.item.table}")
# [END dlp_deidentify_table_infotypes]
if __name__ == "__main__":
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"project",
help="The Google Cloud project id to use as a parent resource.",
)
parser.add_argument(
"table_data",
help="Json string representing a table.",
)
parser.add_argument(
"--info_types",
action="append",
help="Strings representing info types to look for. A full list of "
"info categories and types is available from the API. Examples "
'include "FIRST_NAME", "LAST_NAME", "EMAIL_ADDRESS". ',
)
parser.add_argument(
"deid_content_list",
help="A list of fields in table to de-identify.",
)
args = parser.parse_args()
deidentify_table_replace_with_info_types(
args.project,
args.table_data,
args.info_types,
args.deid_content_list,
)