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Create an anonymized or synthetic dataset to safely work with data while preserving privacy.

hello_gretel.py

from gretel_client import get_cloud_client

client = get_cloud_client("api", GRETEL_API_KEY)
my_data = load_from_csv("my_sensitive_data.csv")
labeled_data = client.detect_entities(my_data)

print(labeled_data)

$~ python hello_gretel.py
{
  "project_record_count": 11515,
  "total_entity_count": 8,
  "data": {
    "entities": [
      {
        "entity": "location",
        "count": 76151.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 32748
      },
      {
        "entity": "latitude",
        "count": 23030.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 10678
      },
      {
        "entity": "longitude",
        "count": 23030.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 10905
      },
      {
        "entity": "md5",
        "count": 17353.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 14377
      },
      {
        "entity": "url",
        "count": 17353.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 109
      },
      {
        "entity": "uuid",
        "count": 15885.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 13385
      },
      {
        "entity": "datetime",
        "count": 11515.0,
        "last_seen": "2020-07-06T20:55:54Z",
        "approx_card": 119
      },
      {
        "entity": "person_name",
        "count": 1013.0,
        "last_seen": "2020-07-06T20:55:42Z",
        "approx_card": 49
      }
    ]
  }
}

hello_gretel.py

import pandas as pd

from gretel_synthetics.batch import DataFrameBatch

config = {
"epochs": 15,
"vocab_size": 20000,
"dp": True, # enable differential privacy,
"field_delimiter": ",",
"checkpoint_dir": "my_models"
}

df = pd.read_csv("my_sensitive_data.csv")

gretel = DataFrameBatch(df=df, config=config)
gretel.create_training_data()
gretel.train_all_batches() # build AI models
gretel.generate_all_batch_lines()

synthetic_data_df = gretel.batches_to_df()
synthetic_data_df.head()

transform.py

from gretel_client.transformers import DataPath, DataTransformPipeline, FakeConstantConfig, RedactWithLabelConfig

SEED = 8675309
RECORD = {
"name": "Clark Kent",
"address": "344 Clinton Street, Apartment 3D, Metropolis",
"mobile": "800-579-7866",
"email": "[email protected]"
}

name = FakeConstantConfig(seed=SEED, fake_method="name")
address = FakeConstantConfig(seed=SEED, fake_method="address")
auto_redact = RedactWithLabelConfig(labels=["phone_number", "email_address"])

paths = [
DataPath(input="name", xforms=[name]),
DataPath(input="address", xforms=[address]),
DataPath(input="*", xforms=[auto_redact])
]

pipe = DataTransformPipeline(paths)
print(pipe.transform_record(RECORD))

$ python transform.py
{
    "name": "Dr. Julia Evans, MD",
    "address": "1061 Autumn Station Apt. 934 Lake Tiffany, FL 56915",
    "mobile": "PHONE_NUMBER",
    "email": "EMAIL_ADDRESS"
}

transform.py

import requests

from gretel_client import project_from_uri
from gretel_client.transformers import DataPath, DataTransformPipeline, FakeConstantConfig

# We don't want to write sensitive data into our analysis store
faker = FakeConstantConfig(
    seed=12345,
    labels=["email_address", "person_name", "phone_number", "date_of_birth", "address"])
path = [DataPath(input="*", xforms=[faker])]
transformer = DataTransformPipeline(path)

project = project_from_uri(GRETEL_URI)

# stream labeled data from the Gretel API, sanitize and
# send it to the analysis store
while True:
    for record in project.iter_records():
        safe_record = transformer.transform_record(record)
        requests.post("https://analysis.store:9200/customers/_doc", json=safe_record)