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from typing import List, Dict
from .logger import get_logger
logger = get_logger("OBFUSCATE")
def obfuscate(
data: List[Dict[str, str]], pii_fields: List[str]
) -> List[Dict[str, str]]:
"""
A function to obfuscate PII fields in a list of dictionaries, replacing
sensitive values with a string of asterisks.
"""
if not data:
logger.error(
"Invalid or empty data was provided to obfuscate. Returning empty list."
)
return []
if not pii_fields:
logger.error("No PII fields provided to obfuscate. Returning data unchanged.")
return data
return [
{k: ("***" if k in pii_fields else v) for k, v in record.items()}
for record in data
]
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