feat: Better structure, add tests

This commit is contained in:
2026-05-09 17:38:37 +03:00
parent 3750804145
commit 827ec85907
9 changed files with 913 additions and 157 deletions
+285 -153
View File
@@ -1,6 +1,8 @@
from __future__ import annotations
import random
from dataclasses import dataclass, field
from typing import Protocol
from uuid import UUID, uuid4
import httpx
@@ -57,33 +59,232 @@ LEVELS = [
]
class AgentService:
def __init__(self, settings: AppSettings) -> None:
self.settings = settings
self.sessions: dict[UUID, SessionState] = {}
timeout = settings.llm.timeout_seconds
self.http_client = httpx.Client(timeout=timeout, trust_env=False)
self.http_async_client = httpx.AsyncClient(timeout=timeout, trust_env=False)
self.chat_model = ChatOpenAI(
model=settings.llm.model,
api_key=settings.llm.api_key,
base_url=settings.llm.base_url,
temperature=settings.llm.temperature,
timeout=timeout,
http_client=self.http_client,
http_async_client=self.http_async_client,
class Invokable(Protocol):
def invoke(self, messages: list[SystemMessage | HumanMessage]) -> object: ...
class FilterInvokable(Protocol):
def invoke(
self, messages: list[SystemMessage | HumanMessage]
) -> FilterDecision: ...
@dataclass(frozen=True)
class AgentRequest:
user_text: str
password: str
@dataclass(frozen=True)
class FilterRequest:
user_text: str
candidate_text: str
@dataclass(frozen=True)
class LevelPipeline:
agent: ChatAgent
input_checks: tuple[InputCheck, ...] = ()
output_checks: tuple[OutputCheck, ...] = ()
@dataclass(frozen=True)
class PipelineResult:
response_text: str
agent_reply: str | None = None
filter_request: FilterDecision | None = None
filter_response: FilterDecision | None = None
class ChatAgent(Protocol):
def reply(self, request: AgentRequest) -> str: ...
class InputCheck(Protocol):
def check(self, request: FilterRequest) -> FilterDecision: ...
class OutputCheck(Protocol):
def check(self, request: FilterRequest) -> FilterDecision: ...
class PromptAgent:
def __init__(self, model: Invokable, prompt_suffix: str = "") -> None:
self.model = model
self.prompt_suffix = prompt_suffix
def reply(self, request: AgentRequest) -> str:
system_prompt = BASE_SYSTEM_PROMPT.format(password=request.password)
if self.prompt_suffix:
system_prompt += self.prompt_suffix
response = self.model.invoke(
[
SystemMessage(content=system_prompt),
HumanMessage(content=request.user_text),
]
)
self.filter_model = self.chat_model.with_structured_output(FilterDecision)
return str(getattr(response, "content", response))
class FilterCheck:
def __init__(self, model: FilterInvokable, check_kind: str) -> None:
self.model = model
self.check_kind = check_kind
def check(self, request: FilterRequest) -> FilterDecision:
result = self.model.invoke(
[
SystemMessage(content=FILTER_PROMPT),
HumanMessage(
content=(
f"Тип проверки: {self.check_kind}\n"
f"Сообщение пользователя:\n{request.user_text}\n\n"
f"Проверяемый текст:\n{request.candidate_text}"
)
),
]
)
LOGGER.info(
"filter_checked",
check_kind=self.check_kind,
triggered=result.triggered,
reason=result.reason,
)
return result
class LevelExecutor:
def __init__(self, blocked_response_text: str, pipeline: LevelPipeline) -> None:
self.blocked_response_text = blocked_response_text
self.pipeline = pipeline
def run(self, user_text: str, password: str) -> PipelineResult:
request_filter: FilterDecision | None = None
for check in self.pipeline.input_checks:
decision = check.check(
FilterRequest(user_text=user_text, candidate_text=user_text)
)
if decision.triggered:
request_filter = decision
return PipelineResult(
response_text=self.blocked_response_text,
agent_reply=None,
filter_request=request_filter,
)
reply = self.pipeline.agent.reply(
AgentRequest(user_text=user_text, password=password)
)
response_filter: FilterDecision | None = None
for check in self.pipeline.output_checks:
decision = check.check(
FilterRequest(user_text=user_text, candidate_text=reply)
)
if decision.triggered:
response_filter = decision
return PipelineResult(
response_text=self.blocked_response_text,
agent_reply=reply,
filter_request=request_filter,
filter_response=response_filter,
)
return PipelineResult(
response_text=reply,
agent_reply=reply,
filter_request=request_filter,
filter_response=response_filter,
)
@dataclass
class SessionStore:
password_words: list[str]
hard_mode_rotation_interval: int
sessions: dict[UUID, SessionState] = field(default_factory=dict)
def resolve(self, session_id: UUID, hard_mode: bool) -> tuple[SessionState, bool]:
existing = self.sessions.get(session_id)
if existing is None:
session = self.create(session_id)
return session, False
if hard_mode and existing.request_count >= self.hard_mode_rotation_interval:
new_session_id = uuid4()
session = self.create(new_session_id)
LOGGER.info(
"session_rotated",
old_session_id=str(session_id),
new_session_id=str(new_session_id),
hard_mode=True,
)
return session, True
return existing, False
def create(self, session_id: UUID) -> SessionState:
password = random.choice(self.password_words)
session = SessionState(session_id=session_id, password=password)
self.sessions[session_id] = session
LOGGER.info("session_created", session_id=str(session_id), password=password)
return session
class AgentService:
def __init__(
self,
settings: AppSettings,
*,
chat_model: Invokable | None = None,
filter_model: FilterInvokable | None = None,
) -> None:
self.settings = settings
self.http_client: httpx.Client | None = None
self.http_async_client: httpx.AsyncClient | None = None
if chat_model is None or filter_model is None:
timeout = settings.llm.timeout_seconds
self.http_client = httpx.Client(timeout=timeout, trust_env=False)
self.http_async_client = httpx.AsyncClient(timeout=timeout, trust_env=False)
base_model = ChatOpenAI(
model=settings.llm.model,
api_key=settings.llm.api_key,
base_url=settings.llm.base_url,
temperature=settings.llm.temperature,
timeout=timeout,
http_client=self.http_client,
http_async_client=self.http_async_client,
)
chat_model = base_model
filter_model = base_model.with_structured_output(FilterDecision)
self.chat_model = chat_model
self.filter_model = filter_model
self.session_store = SessionStore(
password_words=settings.game.password_words,
hard_mode_rotation_interval=settings.game.hard_mode_rotation_interval,
)
self.level_executors = self._build_level_executors()
def list_levels(self) -> list[LevelInfo]:
return LEVELS
@property
def sessions(self) -> dict[UUID, SessionState]:
return self.session_store.sessions
def run_level(
self, level_id: int, session_id: UUID, user_text: str, hard_mode: bool
) -> AgentResponse:
self._ensure_level(level_id)
session, rotated = self._resolve_session(
session_id=session_id, hard_mode=hard_mode
executor = self.level_executors.get(level_id)
if executor is None:
raise ValueError(f"Unknown level_id={level_id}")
session, rotated = self.session_store.resolve(
session_id=session_id,
hard_mode=hard_mode,
)
normalized_input = self._normalize_secret(user_text)
success = normalized_input == self._normalize_secret(session.password)
@@ -114,150 +315,81 @@ class AgentService:
level_id=level_id,
)
if level_id >= 3:
request_filter = self._filter_text(
check_kind="user_request",
user_text=user_text,
candidate_text=user_text,
)
if request_filter.triggered:
session.request_count += 1
LOGGER.warning(
"request_blocked",
level_id=level_id,
session_id=str(session.session_id),
reason=request_filter.reason,
)
return AgentResponse(
session_id=session.session_id,
response_text=self.settings.game.blocked_response_text,
success=False,
session_rotated=rotated,
level_id=level_id,
filter_request=request_filter,
)
else:
request_filter = None
agent_reply = self._ask_agent(
level_id=level_id, password=session.password, user_text=user_text
)
if level_id >= 2:
response_filter = self._filter_text(
check_kind="assistant_response",
user_text=user_text,
candidate_text=agent_reply,
)
if response_filter.triggered:
session.request_count += 1
LOGGER.warning(
"response_blocked",
level_id=level_id,
session_id=str(session.session_id),
reason=response_filter.reason,
agent_reply=agent_reply,
)
return AgentResponse(
session_id=session.session_id,
response_text=self.settings.game.blocked_response_text,
success=False,
session_rotated=rotated,
level_id=level_id,
filter_request=request_filter,
filter_response=response_filter,
)
else:
response_filter = None
result = executor.run(user_text=user_text, password=session.password)
session.request_count += 1
LOGGER.info(
"outgoing_response",
level_id=level_id,
session_id=str(session.session_id),
agent_reply=agent_reply,
)
if result.filter_request and result.filter_request.triggered:
LOGGER.warning(
"request_blocked",
level_id=level_id,
session_id=str(session.session_id),
reason=result.filter_request.reason,
)
elif result.filter_response and result.filter_response.triggered:
LOGGER.warning(
"response_blocked",
level_id=level_id,
session_id=str(session.session_id),
reason=result.filter_response.reason,
agent_reply=result.agent_reply,
)
else:
LOGGER.info(
"outgoing_response",
level_id=level_id,
session_id=str(session.session_id),
agent_reply=result.response_text,
)
return AgentResponse(
session_id=session.session_id,
response_text=agent_reply,
response_text=result.response_text,
success=False,
session_rotated=rotated,
level_id=level_id,
filter_request=request_filter,
filter_response=response_filter,
filter_request=result.filter_request,
filter_response=result.filter_response,
)
def _ensure_level(self, level_id: int) -> None:
if not any(level.id == level_id for level in LEVELS):
raise ValueError(f"Unknown level_id={level_id}")
def _resolve_session(
self, session_id: UUID, hard_mode: bool
) -> tuple[SessionState, bool]:
existing = self.sessions.get(session_id)
if existing is None:
session = self._create_session(session_id)
return session, False
if (
hard_mode
and existing.request_count >= self.settings.game.hard_mode_rotation_interval
):
new_session_id = uuid4()
session = self._create_session(new_session_id)
LOGGER.info(
"session_rotated",
old_session_id=str(session_id),
new_session_id=str(new_session_id),
hard_mode=True,
)
return session, True
return existing, False
def _create_session(self, session_id: UUID) -> SessionState:
password = random.choice(self.settings.game.password_words)
session = SessionState(session_id=session_id, password=password)
self.sessions[session_id] = session
LOGGER.info("session_created", session_id=str(session_id), password=password)
return session
def _ask_agent(self, level_id: int, password: str, user_text: str) -> str:
system_prompt = BASE_SYSTEM_PROMPT.format(password=password)
if level_id == 4:
system_prompt += ASTRONOMY_PROMPT_SUFFIX
response = self.chat_model.invoke(
[
SystemMessage(content=system_prompt),
HumanMessage(content=user_text),
]
def _build_level_executors(self) -> dict[int, LevelExecutor]:
blocked = self.settings.game.blocked_response_text
simple_agent = PromptAgent(self.chat_model)
astronomy_agent = PromptAgent(
self.chat_model, prompt_suffix=ASTRONOMY_PROMPT_SUFFIX
)
return str(response.content)
input_check = FilterCheck(self.filter_model, check_kind="user_request")
output_check = FilterCheck(self.filter_model, check_kind="assistant_response")
def _filter_text(
self, check_kind: str, user_text: str, candidate_text: str
) -> FilterDecision:
result = self.filter_model.invoke(
[
SystemMessage(content=FILTER_PROMPT),
HumanMessage(
content=(
f"Тип проверки: {check_kind}\n"
f"Сообщение пользователя:\n{user_text}\n\n"
f"Проверяемый текст:\n{candidate_text}"
)
return {
1: LevelExecutor(
blocked_response_text=blocked,
pipeline=LevelPipeline(agent=simple_agent),
),
2: LevelExecutor(
blocked_response_text=blocked,
pipeline=LevelPipeline(
agent=simple_agent,
output_checks=(output_check,),
),
]
)
LOGGER.info(
"filter_checked",
check_kind=check_kind,
triggered=result.triggered,
reason=result.reason,
)
return result
),
3: LevelExecutor(
blocked_response_text=blocked,
pipeline=LevelPipeline(
agent=simple_agent,
input_checks=(input_check,),
output_checks=(output_check,),
),
),
4: LevelExecutor(
blocked_response_text=blocked,
pipeline=LevelPipeline(
agent=astronomy_agent,
input_checks=(input_check,),
output_checks=(output_check,),
),
),
}
@staticmethod
def _normalize_secret(text: str) -> str:
return text.lower().strip()
def _normalize_secret(value: str) -> str:
return value.strip().lower()