Supporting new types of PII operators

Operators are the presidio-anonymizer actions over the text.

There are two types of operators:

• Anonymize (e.g., hash, replace, redact, encrypt, mask)
• Deanonymize (e.g., decrypt)

Presidio anonymizer can be easily extended to support additional anonymization and deanonymization methods (called Operators).

Extending presidio-anonymizer for additional PII operators

1. Create new python class implementing the abstract Operator class.
2. Implement the methods:
   • operate - gets the data and returns a new text expected to replace the old one.
   • validate - validate the parameters entered for the anonymizer exists and valid.
   • operator_name - this method helps to automatically load the existing anonymizers.
   • operator_type - either Anonymize or Deanonymize. Will be mapped to the proper engine.
3. Call the AnonymizerEngine.add_anonymizer method to add a new operator to the anonymizer. Alternatively, call the DeanonymizeEngine.add_deanonymizer method to add a new deanonymizer.

See a detailed example here.