| from collections import namedtuple | |
| from typing import Optional | |
| import openai | |
| from openai import OpenAI, AzureOpenAI | |
| import logging | |
| logger = logging.getLogger("presidio-streamlit") | |
| OpenAIParams = namedtuple( | |
| "open_ai_params", | |
| ["openai_key", "model", "api_base", "deployment_id", "api_version", "api_type"], | |
| ) | |
| def call_completion_model( | |
| prompt: str, | |
| openai_params: OpenAIParams, | |
| max_tokens: Optional[int] = 256, | |
| ) -> str: | |
| """Creates a request for the OpenAI Completion service and returns the response. | |
| :param prompt: The prompt for the completion model | |
| :param openai_params: OpenAI parameters for the completion model | |
| :param max_tokens: The maximum number of tokens to generate. | |
| """ | |
| if openai_params.api_type.lower() == "azure": | |
| client = AzureOpenAI( | |
| api_version=openai_params.api_version, | |
| api_key=openai_params.openai_key, | |
| azure_endpoint=openai_params.api_base, | |
| azure_deployment=openai_params.deployment_id, | |
| ) | |
| else: | |
| client = OpenAI(api_key=openai_params.openai_key) | |
| response = client.completions.create( | |
| model=openai_params.model, | |
| prompt=prompt, | |
| max_tokens=max_tokens, | |
| ) | |
| return response.choices[0].text.strip() | |
| def create_prompt(anonymized_text: str) -> str: | |
| """ | |
| Create the prompt with instructions to GPT-3. | |
| :param anonymized_text: Text with placeholders instead of PII values, e.g. My name is <PERSON>. | |
| """ | |
| prompt = f""" | |
| Your role is to create synthetic text based on de-identified text with placeholders instead of Personally Identifiable Information (PII). | |
| Replace the placeholders (e.g. ,<PERSON>, {{DATE}}, {{ip_address}}) with fake values. | |
| Instructions: | |
| a. Use completely random numbers, so every digit is drawn between 0 and 9. | |
| b. Use realistic names that come from diverse genders, ethnicities and countries. | |
| c. If there are no placeholders, return the text as is. | |
| d. Keep the formatting as close to the original as possible. | |
| e. If PII exists in the input, replace it with fake values in the output. | |
| f. Remove whitespace before and after the generated text | |
| input: [[TEXT STARTS]] How do I change the limit on my credit card {{credit_card_number}}?[[TEXT ENDS]] | |
| output: How do I change the limit on my credit card 2539 3519 2345 1555? | |
| input: [[TEXT STARTS]]<PERSON> was the chief science officer at <ORGANIZATION>.[[TEXT ENDS]] | |
| output: Katherine Buckjov was the chief science officer at NASA. | |
| input: [[TEXT STARTS]]Cameroon lives in <LOCATION>.[[TEXT ENDS]] | |
| output: Vladimir lives in Moscow. | |
| input: [[TEXT STARTS]]{anonymized_text}[[TEXT ENDS]] | |
| output:""" | |
| return prompt | |