dp-zp-agent/tools/answers/answer_delivery.py

224 lines
9.7 KiB
Python

"""Production answer path: retrieval -> model selection -> guard -> rendered text."""
from __future__ import annotations
import threading
from pathlib import Path
from tools.rag.common import DB_FILE
from tools.rag.rag_utils import build_rag_context
from tools.rag.llm_context import compact_rag_payload
from tools.graphrag.graph_search import search_graph
from tools.answers.graph_context import graph_context
from tools.answers.checked_generation import generate_checked_answer
from tools.answers.verified_rag import generate_verified_rag
from tools.answers.rag_evidence import expand_comparison_sources
from tools.answers.rag_preparation import prepare_named_content
from tools.sync.index_state import index_snapshot
from tools.answers.model_client import complete_with_configured_model
from tools.answers.answer_errors import public_failure, clarification_result
_capacity = threading.BoundedSemaphore(2)
def retrieval_failure(engine: str) -> dict:
return public_failure(
{
"reason": "retrieval_unavailable",
"engine": engine,
"index_version": None,
"complete": False,
"truncated": False,
"truncation_reasons": [],
}
)
def name_failure(retrieved: dict, engine: str) -> dict | None:
resolution = retrieved.get("name_resolution") or {}
if not resolution or resolution.get("status") == "ok":
return None
return {
"status": resolution["status"],
"reason": resolution["reason"],
"engine": engine,
"accepted_for_delivery": True,
"answer": resolution["message"],
"claims": [],
"source_urls": [],
"name_resolution": resolution,
"index_version": retrieved.get("index_version"),
"complete": False,
"truncated": False,
"truncation_reasons": [],
}
def with_name_resolution(result: dict, retrieved: dict) -> dict:
resolution = retrieved.get("name_resolution") or {}
if result.get("accepted_for_delivery") and resolution.get("notices"):
result["answer"] = "\n".join(resolution["notices"]) + "\n\n" + result["answer"]
if resolution:
result["name_resolution"] = resolution
return result
def deliver_answer(
question: str,
*,
engine: str = "rag",
limit: int = 5,
complete=None,
db_file: Path = DB_FILE,
include_diagnostics: bool = False,
) -> dict:
from tools.answers.reference_links import checked_repository_links
result = _deliver_answer(
question,
engine=engine,
limit=limit,
complete=complete,
db_file=db_file,
include_diagnostics=include_diagnostics,
)
return checked_repository_links(result)
def _deliver_answer(
question: str,
*,
engine: str = "rag",
limit: int = 5,
complete=None,
db_file: Path = DB_FILE,
include_diagnostics: bool = False,
) -> dict:
if not _capacity.acquire(blocking=False):
return public_failure({"reason": "answer_capacity_exceeded", "engine": engine})
try:
model = complete or complete_with_configured_model
from tools.answers.question_plan import (build_question_plan, planning_catalog, QuestionPlan, PlanMeaning,
PlanRejected, PlanModelUnavailable)
from tools.knowledge.query import deliver_content, ContentModelUnavailable, ContentAnswerRejected
try:
with index_snapshot(db_file.parent, db_file=db_file) as planned_version:
catalog = planning_catalog(db_file)
plan_model = complete or (lambda messages: complete_with_configured_model(
messages, output_schema=QuestionPlan.model_json_schema()))
verify_model = complete or (lambda messages: complete_with_configured_model(
messages, output_schema=PlanMeaning.model_json_schema()))
plan = build_question_plan(question, catalog, complete=plan_model,verify_complete=verify_model,index_version=planned_version)
except PlanModelUnavailable:
return public_failure({'reason':'model_unavailable','engine':engine})
except PlanRejected:
return public_failure({'reason':'answer_rejected','engine':engine})
except Exception:
return retrieval_failure(engine)
if plan.clarification:
value=clarification_result(plan.clarification,plan.reason,engine=engine,index_version=planned_version)
if plan.resolution.get('status')=='no_answer' and plan.reason==plan.resolution.get('reason'):value['status']='no_answer'
value['name_resolution']=plan.resolution
if include_diagnostics:value['question_plan']=plan.model_dump()
return value
question = plan.spec.question
try:
content_result = deliver_content(
question, engine=engine, limit=limit, db_file=db_file, complete=model, plan=plan
)
if content_result is not None:
if include_diagnostics:content_result["question_plan"]=plan.model_dump()
return content_result
except ContentModelUnavailable:
return public_failure({"reason": "model_unavailable", "engine": engine})
except ContentAnswerRejected:
return public_failure({"reason": "answer_rejected", "engine": engine})
except Exception:
return public_failure({"reason": "content_index_unavailable", "engine": engine})
if engine == "rag":
try:
with index_snapshot(db_file.parent, db_file=db_file):
retrieved = build_rag_context(db_file, question, limit=limit, question_plan=plan.spec)
if retrieved.get("status") == "error":
return retrieval_failure(engine)
if failure := name_failure(retrieved, engine):
return failure
question = retrieved.get("resolved_query") or question
if planned_version is not None and retrieved.get("index_version") != planned_version:
return retrieval_failure(engine)
retrieved["question_plan"] = plan.spec.model_dump()
retrieved["name_resolution"] = plan.resolution
retrieved = expand_comparison_sources(db_file, question, retrieved)
retrieved = prepare_named_content(db_file, question, retrieved)
retrieved = compact_rag_payload(retrieved)
except Exception:
return retrieval_failure(engine)
result = generate_verified_rag(question, retrieved, model)
context = retrieved
elif engine == "graphrag":
if plan.spec.intent != "metadata":
return clarification_result(
"Táto otázka vyžaduje textové podklady o zadaní, priebehu alebo výsledkoch práce. Použi /rag s rovnakou otázkou; graf samotný tieto výňatky neposkytuje.",
"text_evidence_required",
engine=engine,
)
try:
retrieved = search_graph(question, limit=limit, question_plan=plan.spec)
if retrieved.get("status") == "error":
return retrieval_failure(engine)
if failure := name_failure(retrieved, engine):
return failure
question = retrieved.get("resolved_query") or question
if planned_version is not None and retrieved.get("index_version") != planned_version:
return retrieval_failure(engine)
retrieved["name_resolution"] = plan.resolution
context = graph_context(retrieved)
except Exception:
return retrieval_failure(engine)
if context.get("clarification"):
return with_name_resolution(
clarification_result(
context["clarification"],
context.get("reason"),
engine=engine,
index_version=context.get("index_version"),
),
retrieved,
)
prompt = (
Path(__file__).resolve().parents[1] / "answers/graph_answer_prompt.txt"
).read_text()
generated = generate_checked_answer(question, context, prompt, model)
if generated.get("accepted_for_delivery"):
result = {
**generated["answer"],
"accepted_for_delivery": True,
"reason": None,
"index_version": context.get("index_version"),
"complete": context.get("complete"),
"truncated": context.get("truncated"),
"truncation_reasons": context.get("truncation_reasons"),
"attempts": generated["attempts"],
}
else:
reason = generated.get("reason", "answer_rejected")
result = public_failure(
{
"reason": reason,
"index_version": context.get("index_version"),
"attempts": generated["attempts"],
}
)
else:
raise ValueError("Unsupported answer engine")
if result.get("status") == "error" or result.get("accepted_for_delivery") is not True:
result = public_failure(result)
result = with_name_resolution(result, retrieved)
return {
**result,
"engine": engine,
**({"retrieval_context": context, "question_plan": plan.model_dump()} if include_diagnostics else {}),
}
finally:
_capacity.release()