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vpd-permission-poc/ai-web-agent-console/ai_web_agent_console/query_contracts.py

408 lines
14 KiB
Python

"""Configuration-driven query and answer evidence contracts."""
from __future__ import annotations
import ast
from decimal import Decimal, InvalidOperation
from functools import lru_cache
import json
import os
from pathlib import Path
import re
from typing import Any, Mapping
ROOT = Path(__file__).resolve().parents[1]
DEFAULT_CONTRACT_FILE = ROOT / "config" / "hmm_hr_query_contracts.json"
def _contract_file() -> Path:
configured = str(
os.getenv("AI_WEB_AGENT_CONSOLE_QUERY_CONTRACTS_PATH")
or os.getenv("POC4_QUERY_CONTRACTS_PATH")
or ""
).strip()
if not configured:
return DEFAULT_CONTRACT_FILE
path = Path(configured).expanduser()
return path if path.is_absolute() else ROOT / path
@lru_cache(maxsize=4)
def _load_contract_file(path_text: str) -> tuple[Mapping[str, Any], ...]:
path = Path(path_text)
if not path.exists():
return ()
value = json.loads(path.read_text(encoding="utf-8"))
contracts = value.get("contracts") if isinstance(value, Mapping) else None
if not isinstance(contracts, list):
raise ValueError("query contracts must contain a contracts array")
return tuple(item for item in contracts if isinstance(item, Mapping))
def load_query_contracts() -> tuple[Mapping[str, Any], ...]:
return _load_contract_file(str(_contract_file()))
def matching_query_contracts(
question: str,
tool_name: str,
) -> tuple[Mapping[str, Any], ...]:
normalized_question = " ".join(str(question or "").casefold().split())
normalized_tool = str(tool_name or "").strip()
selected: list[Mapping[str, Any]] = []
for contract in load_query_contracts():
tools = contract.get("applies_to_tools")
if isinstance(tools, list) and normalized_tool not in {
str(item) for item in tools
}:
continue
intent = contract.get("intent_match")
if not isinstance(intent, Mapping):
continue
subject_terms = [
str(item).casefold()
for item in intent.get("subject_terms_any", [])
if str(item).strip()
]
action_terms = [
str(item).casefold()
for item in intent.get("action_terms_any", [])
if str(item).strip()
]
if subject_terms and not any(
term in normalized_question for term in subject_terms
):
continue
if action_terms and not any(
term in normalized_question for term in action_terms
):
continue
selected.append(contract)
return tuple(selected)
def query_contract_guidance(question: str, tool_name: str) -> str:
contracts = matching_query_contracts(question, tool_name)
if not contracts:
return ""
return json.dumps(
{"query_contracts": contracts},
ensure_ascii=False,
separators=(",", ":"),
)
def append_query_contract_guidance(
tool_query: str,
*,
original_question: str,
tool_name: str,
) -> str:
guidance = query_contract_guidance(original_question, tool_name)
normalized = str(tool_query or "").strip()
if not guidance:
return normalized
return (
f"{normalized}\n"
"다음 질의 계약의 필드·계산·시간 기준을 반드시 지켜 결과를 반환하세요. "
f"계약: {guidance}"
)
def _json_data_result(value: str) -> Any:
marker = "DATA_RESULT"
position = value.find(marker)
if position < 0:
return None
remainder = value[position + len(marker) :]
object_position = remainder.find("{")
array_position = remainder.find("[")
positions = [
candidate
for candidate in (object_position, array_position)
if candidate >= 0
]
if not positions:
return None
candidate = remainder[min(positions) :]
try:
parsed, _ = json.JSONDecoder().raw_decode(candidate)
except (TypeError, ValueError, json.JSONDecodeError):
return None
return parsed
def _evidence_rows(value: Any) -> list[Mapping[str, Any]]:
rows: list[Mapping[str, Any]] = []
if isinstance(value, Mapping):
rows.append(value)
for item in value.values():
rows.extend(_evidence_rows(item))
elif isinstance(value, list):
for item in value:
rows.extend(_evidence_rows(item))
elif isinstance(value, str):
parsed = _json_data_result(value)
if parsed is not None:
rows.extend(_evidence_rows(parsed))
return rows
def _decimal(value: Any) -> Decimal:
if isinstance(value, bool) or value is None:
raise InvalidOperation
return Decimal(str(value))
def _evaluate_contract_expression(
expression: str,
row: Mapping[str, Any],
) -> Decimal:
tree = ast.parse(expression, mode="eval")
def evaluate(node: ast.AST) -> Decimal:
if isinstance(node, ast.Expression):
return evaluate(node.body)
if isinstance(node, ast.Name):
key = node.id.casefold()
if key not in row:
raise InvalidOperation
return _decimal(row[key])
if isinstance(node, ast.Constant):
return _decimal(node.value)
if isinstance(node, ast.UnaryOp) and isinstance(
node.op, (ast.UAdd, ast.USub)
):
value = evaluate(node.operand)
return value if isinstance(node.op, ast.UAdd) else -value
if isinstance(node, ast.BinOp) and isinstance(
node.op, (ast.Add, ast.Sub, ast.Mult, ast.Div)
):
left = evaluate(node.left)
right = evaluate(node.right)
if isinstance(node.op, ast.Add):
return left + right
if isinstance(node.op, ast.Sub):
return left - right
if isinstance(node.op, ast.Mult):
return left * right
return left / right
raise ValueError("unsupported contract expression")
return evaluate(tree)
def evidence_contract_report(
contracts: tuple[Mapping[str, Any], ...],
evidence: Any,
) -> list[dict[str, Any]]:
rows = [
{str(key).strip().casefold(): value for key, value in row.items()}
for row in _evidence_rows(evidence)
]
reports: list[dict[str, Any]] = []
for contract in contracts:
data_contract = contract.get("data_contract")
if not isinstance(data_contract, Mapping):
continue
required = [
str(item).strip().casefold()
for item in data_contract.get("required_fields", [])
if str(item).strip()
]
matching_row = next(
(row for row in rows if required and all(key in row for key in required)),
None,
)
observed = sorted(
{
key
for row in rows
for key in row
if not required or key in required
}
)
missing = [
key.upper()
for key in required
if matching_row is None or key not in matching_row
]
computed_checks: list[dict[str, Any]] = []
computed_fields = data_contract.get("computed_fields")
if matching_row is not None and isinstance(computed_fields, Mapping):
for field, definition in computed_fields.items():
normalized_field = str(field).strip().casefold()
expression = (
str(definition.get("expression") or "").strip()
if isinstance(definition, Mapping)
else ""
)
if not normalized_field or not expression:
continue
try:
actual = _decimal(matching_row.get(normalized_field))
expected = _evaluate_contract_expression(
expression,
matching_row,
)
matches = actual == expected
computed_checks.append(
{
"field": normalized_field.upper(),
"expression": expression,
"actual": str(actual),
"expected": str(expected),
"satisfied": matches,
}
)
except (InvalidOperation, ValueError, ZeroDivisionError):
computed_checks.append(
{
"field": normalized_field.upper(),
"expression": expression,
"satisfied": False,
}
)
calculations_satisfied = all(
bool(check.get("satisfied")) for check in computed_checks
)
temporal_checks: list[dict[str, Any]] = []
temporal_contract = contract.get("temporal_contract")
if matching_row is not None and isinstance(temporal_contract, Mapping):
status_fields = [
str(item).strip().casefold()
for item in temporal_contract.get("period_status_fields", [])
if str(item).strip()
]
past_status = str(
temporal_contract.get("past_period_status") or ""
).strip()
observed_status = next(
(
str(matching_row.get(field) or "").strip()
for field in status_fields
if str(matching_row.get(field) or "").strip()
),
"",
)
if observed_status == past_status and past_status:
decision_field = str(
temporal_contract.get("past_period_decision_field") or ""
).strip().casefold()
decision_value = str(
temporal_contract.get("past_period_decision_value") or ""
).strip()
actual_decision = str(
matching_row.get(decision_field) or ""
).strip()
temporal_checks.append(
{
"check": "past_period_decision",
"field": decision_field.upper(),
"expected": decision_value,
"actual": actual_decision,
"satisfied": bool(
decision_field
and decision_value
and actual_decision == decision_value
),
}
)
forbidden_patterns = [
str(item).strip()
for item in temporal_contract.get(
"forbidden_past_period_decision_field_patterns", []
)
if str(item).strip()
]
forbidden_fields = sorted(
key.upper()
for key in matching_row
if any(
re.search(pattern, key, flags=re.IGNORECASE)
for pattern in forbidden_patterns
)
)
temporal_checks.append(
{
"check": "no_past_period_yes_no_decision",
"forbidden_fields": forbidden_fields,
"satisfied": not forbidden_fields,
}
)
required_counts = [
str(item).strip().casefold()
for item in temporal_contract.get(
"validate_stated_days_against", []
)
if str(item).strip()
]
temporal_checks.append(
{
"check": "date_range_counts",
"required_fields": [
field.upper() for field in required_counts
],
"missing_fields": [
field.upper()
for field in required_counts
if field not in matching_row
],
"satisfied": all(
field in matching_row for field in required_counts
),
}
)
temporal_satisfied = all(
bool(check.get("satisfied")) for check in temporal_checks
)
reports.append(
{
"contract_id": str(contract.get("id") or ""),
"satisfied": bool(
matching_row is not None
and not missing
and calculations_satisfied
and temporal_satisfied
),
"required_fields": [key.upper() for key in required],
"observed_required_fields": [key.upper() for key in observed],
"missing_fields": missing,
"computed_field_checks": computed_checks,
"temporal_contract_checks": temporal_checks,
"validated_record": (
{
key.upper(): matching_row.get(key)
for key in required
}
if matching_row is not None
else {}
),
}
)
return reports
def missing_evidence_message(
contracts: tuple[Mapping[str, Any], ...],
) -> str:
for contract in contracts:
answer_contract = contract.get("answer_contract")
if not isinstance(answer_contract, Mapping):
continue
message = str(answer_contract.get("missing_evidence_message") or "").strip()
if message:
return message
return "조회 결과가 답변 계약의 필수 근거를 충족하지 않아 결론을 제공할 수 없습니다."
__all__ = [
"append_query_contract_guidance",
"evidence_contract_report",
"load_query_contracts",
"matching_query_contracts",
"missing_evidence_message",
"query_contract_guidance",
]