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85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
"""
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Configuration for Log Sanitization with Local LLM
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"""
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import os
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from pathlib import Path
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# Ollama Configuration
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# 默认使用 0.6B 超小模型，呼应本章“小模型也能胜任结构化任务”的论点，
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# 且可在 CPU / 消费级设备上运行；可用 --model 覆盖为 qwen3:1.7b、qwen3:4b 等。
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OLLAMA_MODEL = "qwen3:0.6b"
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OLLAMA_TEMPERATURE = 0.1 # Low temperature for consistent detection
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# Paths
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PROJECT_ROOT = Path(__file__).parent
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OUTPUT_DIR = PROJECT_ROOT / "output"
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OUTPUT_DIR.mkdir(exist_ok=True)
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# Performance Metrics Configuration
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METRICS_FILE = OUTPUT_DIR / "performance_metrics.json"
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# Evaluation Framework Path
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# The user-memory-evaluation framework lives in chapter3, not chapter2.
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# PROJECT_ROOT = chapter3/log-sanitization, so go up two levels to the repo root.
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EVAL_FRAMEWORK_PATH = PROJECT_ROOT.parent.parent / "chapter3" / "user-memory-evaluation"
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# System Prompt for PII Detection
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SYSTEM_PROMPT = """You are a privacy protection agent that detects Level 3 PII.
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Level 3 PII includes:
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- Social Security Numbers (SSN) - format: XXX-XX-XXXX or XXXXXXXXX
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- Credit Card Numbers - format: XXXX XXXX XXXX XXXX or 16 digits
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- Credit Card Expiry Date and CVV
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- Bank Account Numbers
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- Full Residential Addresses
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- Medical Record Numbers
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- Medical Diagnoses and Treatment Details
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- Prescription Information
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- Driver's License Numbers
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- Passport Numbers
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- Financial PINs
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- Tax ID Numbers
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- Health Insurance IDs
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- Biometric Data
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- Usernames for Financial Accounts
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- Passwords
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Analyze the conversation and return JSON with a pii_items array. Each item must include:
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- type: the PII category label
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- value: the exact sensitive substring copied verbatim from the input text
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Do not include labels or explanations inside value. NEVER use placeholders."""
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USER_PROMPT_TEMPLATE = """Analyze the following conversation for Level 3 PII:
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{conversation_text}"""
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# JSON Schema for structured output
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PII_DETECTION_SCHEMA = {
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"type": "object",
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"properties": {
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"pii_items": {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"type": {
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"type": "string",
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"description": "PII category label, e.g. ssn, credit_card_number, email"
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},
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"value": {
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"type": "string",
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"description": "Exact sensitive substring copied verbatim from the input text"
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}
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},
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"required": ["type", "value"],
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"additionalProperties": False
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},
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"description": "Array of structured PII items. The value field must be copied verbatim from the input text."
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}
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},
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"required": ["pii_items"],
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"additionalProperties": False
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}
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