400 lines
19 KiB
Python
400 lines
19 KiB
Python
import aiohttp
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import base64
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import datetime
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import json
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from collections.abc import Callable
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from dataclasses import dataclass
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from io import BytesIO
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from PIL import Image
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from result import Ok, Err, Result
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from typing import List, Tuple, Any, Optional, Union, Dict, Awaitable
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from openrouter import OpenRouter, RetryConfig
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from openrouter.components import AssistantMessage, AssistantMessageTypedDict, ChatMessageContentItemTypedDict, \
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ChatMessageToolCall, MessageTypedDict, ToolDefinitionJSONTypedDict
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from openrouter.errors import ResponseValidationError, ChatError
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from openrouter.utils import BackoffStrategy
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from fal_client import AsyncClient as FalClient
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from database import BasicDatabase
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GROUP_CHAT_SYSTEM_PROMPT = """
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Ты - ИИ-помощник в групповом чате.\n
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Отвечай на вопросы и поддерживай контекст беседы.\n
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Ты не можешь обсуждать политику и религию.\n
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Сообщения пользователей будут приходить в следующем формате: '[дата время, имя]: текст сообщения'\n
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При ответе НЕ нужно указывать ни время, ни пользователя, которому предназначен ответ, ни свое имя.\n
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НЕ используй разметку Markdown, она не поддерживается мессенджером.\n
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Если тебя просят нарисовать изображение, используй соответствующий вызов функции.
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Запрещено генерировать ASCII-арты. Запрещено использовать тег <image>!
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"""
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PRIVATE_CHAT_SYSTEM_PROMPT = """
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Ты - ИИ-помощник в чате c пользователем.\n
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Отвечай на вопросы и поддерживай контекст беседы.\n
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Сообщения пользователя будут приходить в следующем формате: '[дата время]: текст сообщения'\n
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При ответе НЕ нужно указывать время.\n
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НЕ используй разметку Markdown, она не поддерживается мессенджером.\n
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Если тебя просят нарисовать изображение, используй соответствующий вызов функции.
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Запрещено генерировать ASCII-арты. Запрещено использовать тег <image>!
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"""
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GENERATE_IMAGE_TOOL_DESCRIPTION = """
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Генерация изображения по описанию.
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Используй этот инструмент, если пользователь просит сгенерировать изображение ('нарисуй', 'покажи' и т.п.),
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или если это улучшит ответ (например, в ролевой игре для визуализации сцены).
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"""
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GENERATE_IMAGE_TOOL_PROMPT_ARG_DESCRIPTION = """
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Подробное описание сцены на английском языке.
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Добавь детали для стиля, цвета, композиции, если нужно.
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"""
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OPENROUTER_X_TITLE = "TG/VK Chat Bot"
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OPENROUTER_HTTP_REFERER = "https://ultracoder.org"
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GROUP_CHAT_MAX_MESSAGES = 20
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PRIVATE_CHAT_MAX_MESSAGES = 40
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MAX_OUTPUT_TOKENS = 500
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@dataclass()
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class Message:
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user_name: str = None
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text: str = None
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image: bytes = None
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message_id: int = None
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def _add_message_prefix(text: Optional[str], username: Optional[str] = None) -> str:
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current_time = datetime.datetime.now().strftime("%d.%m.%Y %H:%M")
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prefix = f"[{current_time}, {username}]" if username is not None else f"[{current_time}]"
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return f"{prefix}: {text}" if text is not None else f"{prefix}:"
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def _encode_image(image: bytes) -> str:
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encoded_image = base64.b64encode(image).decode('utf-8')
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return f"data:image/jpeg;base64,{encoded_image}"
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def _serialize_message(role: str, text: Optional[str], image: Optional[bytes]) -> dict:
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serialized = {"role": role, "content": []}
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if text is not None:
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serialized["content"].append({"type": "text", "text": text})
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if image is not None:
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serialized["content"].append({"type": "image_url", "image_url": {"url": _encode_image(image)}})
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return serialized
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def _remove_none_recursive(data: Union[dict, list, any]) -> Union[dict, list, any]:
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if isinstance(data, dict):
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return {
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k: _remove_none_recursive(v)
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for k, v in data.items()
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if v is not None
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}
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elif isinstance(data, list):
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return [
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_remove_none_recursive(item)
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for item in data
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if item is not None
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]
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else:
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return data
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def _serialize_assistant_message(message: AssistantMessage) -> AssistantMessageTypedDict:
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return _remove_none_recursive(message.model_dump(by_alias=True))
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def _get_tools_description() -> List[ToolDefinitionJSONTypedDict]:
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return [{
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"type": "function",
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"function": {
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"name": "generate_image",
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"description": GENERATE_IMAGE_TOOL_DESCRIPTION,
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"parameters": {
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"type": "object",
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"properties": {
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"prompt": {
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"type": "string",
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"description": GENERATE_IMAGE_TOOL_PROMPT_ARG_DESCRIPTION
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},
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"aspect_ratio": {
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"type": "string",
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"enum": ["1:1", "4:3", "3:4", "16:9", "9:16"],
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"description": "Соотношение сторон (опционально)."
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}
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},
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"required": ["prompt"]
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}
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}
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}]
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class AiAgent:
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def __init__(self,
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openrouter_token: str, openrouter_model: str,
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fal_token: str, fal_model: str,
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db: BasicDatabase,
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platform: str):
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retry_config = RetryConfig(strategy="backoff",
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backoff=BackoffStrategy(
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initial_interval=2000, max_interval=8000, exponent=2, max_elapsed_time=14000),
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retry_connection_errors=True)
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self.db = db
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self.model_main = openrouter_model
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self.model_image = fal_model
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self.platform = platform
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self.client_openrouter = OpenRouter(api_key=openrouter_token,
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x_title=OPENROUTER_X_TITLE, http_referer=OPENROUTER_HTTP_REFERER,
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retry_config=retry_config)
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self.client_fal = FalClient(key=fal_token)
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@dataclass()
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class _ToolsArtifacts:
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generated_image: Optional[bytes] = None
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async def get_group_chat_reply(self, bot_id: int, chat_id: int,
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message: Message, forwarded_messages: List[Message]) -> Tuple[Message, bool]:
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context = self._get_chat_context(is_group_chat=True, bot_id=bot_id, chat_id=chat_id)
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message.text = _add_message_prefix(message.text, message.user_name)
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context.append(_serialize_message(role="user", text=message.text, image=message.image))
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for fwd_message in forwarded_messages:
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message_text = '<Цитируемое сообщение от {}>'.format(fwd_message.user_name)
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if fwd_message.text is not None:
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message_text += '\n' + fwd_message.text
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fwd_message.text = message_text
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context.append(_serialize_message(role="user", text=fwd_message.text, image=fwd_message.image))
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try:
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response = await self._generate_reply(bot_id, chat_id, context=context, allow_tools=True)
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ai_response = response.content
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tools_artifacts = AiAgent._ToolsArtifacts()
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if response.tool_calls is not None:
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tools_artifacts = await self._process_tool_calls(bot_id, chat_id,
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tool_calls=response.tool_calls, context=context)
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response2 = await self._generate_reply(bot_id, chat_id, context=context)
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ai_response = response2.content
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self.db.context_add_message(bot_id, chat_id, role="user", text=message.text, image=message.image,
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message_id=message.message_id, max_messages=GROUP_CHAT_MAX_MESSAGES)
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for fwd_message in forwarded_messages:
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self.db.context_add_message(bot_id, chat_id,
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role="user", text=fwd_message.text, image=fwd_message.image,
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message_id=fwd_message.message_id, max_messages=GROUP_CHAT_MAX_MESSAGES)
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self.db.context_add_message(bot_id, chat_id,
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role="assistant", text=ai_response, image=tools_artifacts.generated_image,
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message_id=None, max_messages=GROUP_CHAT_MAX_MESSAGES)
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return Message(text=ai_response, image=tools_artifacts.generated_image), True
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except Exception as e:
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if str(e).find("Rate limit exceeded") != -1:
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return Message(text="Извините, достигнут дневной лимит запросов к ИИ (обновляется в 03:00 МСК)."), False
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else:
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print(f"Ошибка выполнения запроса к ИИ: {e}")
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return Message(text=f"Извините, при обработке запроса произошла ошибка:\n{e}"), False
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async def get_private_chat_reply(self, bot_id: int, chat_id: int, message: Message) -> Tuple[Message, bool]:
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context = self._get_chat_context(is_group_chat=False, bot_id=bot_id, chat_id=chat_id)
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message.text = _add_message_prefix(message.text)
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content: list[dict[str, Any]] = []
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if message.text is not None:
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content.append({"type": "text", "text": message.text})
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if message.image is not None:
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content.append({"type": "image_url", "image_url": {"url": _encode_image(message.image)}})
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context.append({"role": "user", "content": content})
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try:
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response = await self._generate_reply(bot_id, chat_id, context=context, allow_tools=True)
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context.append(_serialize_assistant_message(response))
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ai_response = response.content
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tools_artifacts = AiAgent._ToolsArtifacts()
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if response.tool_calls is not None:
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tools_artifacts = await self._process_tool_calls(bot_id, chat_id,
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tool_calls=response.tool_calls, context=context)
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response2 = await self._generate_reply(bot_id, chat_id, context=context)
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ai_response = response2.content
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self.db.context_add_message(bot_id, chat_id, role="user", text=message.text, image=message.image,
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message_id=message.message_id, max_messages=PRIVATE_CHAT_MAX_MESSAGES)
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self.db.context_add_message(bot_id, chat_id, role="assistant",
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text=ai_response, image=tools_artifacts.generated_image,
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message_id=None, max_messages=PRIVATE_CHAT_MAX_MESSAGES)
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return Message(text=ai_response, image=tools_artifacts.generated_image), True
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except Exception as e:
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if str(e).find("Rate limit exceeded") != -1:
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return Message(text="Извините, достигнут дневной лимит запросов к ИИ (обновляется в 03:00 МСК)."), False
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else:
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print(f"Ошибка выполнения запроса к ИИ: {e}")
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return Message(text=f"Извините, при обработке запроса произошла ошибка:\n{e}"), False
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def get_last_assistant_message_id(self, bot_id: int, chat_id: int):
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return self.db.context_get_last_assistant_message_id(bot_id, chat_id)
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def set_last_response_id(self, bot_id: int, chat_id: int, message_id: int):
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self.db.context_set_last_message_id(bot_id, chat_id, message_id)
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def clear_chat_context(self, bot_id: int, chat_id: int):
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self.db.context_clear(bot_id, chat_id)
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def _get_chat_context(self, is_group_chat: bool, bot_id: int, chat_id: int) -> List[MessageTypedDict]:
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prompt = GROUP_CHAT_SYSTEM_PROMPT if is_group_chat else PRIVATE_CHAT_SYSTEM_PROMPT
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bot = self.db.get_bot(bot_id)
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if bot['ai_prompt'] is not None:
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prompt += '\n\n' + bot['ai_prompt']
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chat = self.db.create_chat_if_not_exists(bot_id, chat_id)
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if chat['ai_prompt'] is not None:
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prompt += '\n\n' + chat['ai_prompt']
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messages = self.db.context_get_messages(bot_id, chat_id)
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context: List[MessageTypedDict] = [{"role": "system", "content": prompt}]
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for message in messages:
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context.append(_serialize_message(message["role"], message["text"], message["image"]))
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return context
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async def _generate_reply(self, bot_id: int, chat_id: int,
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context: List[MessageTypedDict], allow_tools: bool = False) -> AssistantMessage:
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response = await self._async_chat_completion_request(
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model=self.model_main,
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messages=context,
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tools=_get_tools_description() if allow_tools else None,
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tool_choice="auto" if allow_tools else None,
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max_tokens=MAX_OUTPUT_TOKENS,
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user=f'{self.platform}_{bot_id}_{chat_id}'
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)
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return response.choices[0].message
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async def _process_tool_calls(self, bot_id: int, chat_id: int, tool_calls: List[ChatMessageToolCall],
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context: List[MessageTypedDict]) -> _ToolsArtifacts:
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artifacts = AiAgent._ToolsArtifacts()
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if tool_calls is None:
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return artifacts
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functions_map: Dict[str,
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Callable[[int, int, Dict, AiAgent._ToolsArtifacts],
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Awaitable[List[ChatMessageContentItemTypedDict]]]] = {
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"generate_image": self._process_tool_generate_image
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}
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for tool_call in tool_calls:
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tool_name = tool_call.function.name
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tool_args = json.loads(tool_call.function.arguments)
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if tool_name in functions_map:
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tool_result = await functions_map[tool_name](bot_id, chat_id, tool_args, artifacts)
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context.append({
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"role": "tool",
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"tool_call_id": tool_call.id,
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"content": tool_result
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})
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artifacts.tools_called = True
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return artifacts
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async def _process_tool_generate_image(self, _bot_id: int, _chat_id: int, args: dict, artifacts: _ToolsArtifacts) \
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-> List[ChatMessageContentItemTypedDict]:
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prompt = args.get("prompt", "")
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aspect_ratio = args.get("aspect_ratio", None)
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result = await self._generate_image(prompt=prompt, aspect_ratio=aspect_ratio)
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content = []
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if result.is_ok():
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content.append(
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{"type": "text",
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"text": "Изображение сгенерировано и будет показано пользователю."})
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content.append(
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{"type": "image_url", "image_url": {"url": _encode_image(result.ok_value)}})
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artifacts.generated_image = result.ok_value
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else:
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content.append(
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{"type": "text",
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"text": f"Не удалось сгенерировать изображение: {result.err_value}"})
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return content
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async def _generate_image(self, prompt: str, aspect_ratio: Optional[str]) -> Result[bytes, str]:
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aspect_ratio_resolution_map = {
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"1:1": (1280, 1280),
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"4:3": (1280, 1024),
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"3:4": (1024, 1280),
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"16:9": (1280, 720),
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"9:16": (720, 1280)
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}
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width, height = aspect_ratio_resolution_map.get(aspect_ratio, (1280, 1024))
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print(f"Генерация изображения {width}x{height}: {prompt}")
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arguments = {
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"prompt": prompt,
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"image_size": {"width": width, "height": height},
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"enable_safety_checker": False
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}
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try:
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result = await self.client_fal.run(self.model_image, arguments=arguments)
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if "images" not in result:
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raise RuntimeError("Неожиданный ответ от сервера.")
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image_url = result["images"][0]["url"]
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async with aiohttp.ClientSession() as session:
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async with session.get(image_url) as response:
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if response.status == 200:
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image_bytes = await response.read()
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if not image_url.endswith(".jpg"):
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image = Image.open(BytesIO(image_bytes)).convert("RGB")
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output = BytesIO()
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image.save(output, format="JPEG", quality=80, optimize=True)
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image_bytes = output.getvalue()
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return Ok(image_bytes)
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else:
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raise RuntimeError(f"Не удалось загрузить изображение ({response.status}).")
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except Exception as e:
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print(f"Ошибка генерации изображения: {e}")
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return Err(str(e))
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async def _async_chat_completion_request(self, **kwargs):
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try:
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return await self.client_openrouter.chat.send_async(**kwargs)
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except ResponseValidationError as e:
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# Костыль для OpenRouter SDK:
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# https://github.com/OpenRouterTeam/python-sdk/issues/44
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body = json.loads(e.body)
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if "error" in body:
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try:
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raw_response = json.loads(body["error"]["metadata"]["raw"])
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message = str(raw_response["error"]["message"])
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e = RuntimeError(message)
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except Exception:
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pass
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raise e
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except ChatError as e:
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if e.message == "Provider returned error":
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body = json.loads(e.body)
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try:
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raw_response = json.loads(body["error"]["metadata"]["raw"])
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message = str(raw_response["error"]["message"])
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e = RuntimeError(message)
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except Exception:
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pass
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raise e
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agent: AiAgent
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def create_ai_agent(openrouter_token: str, openrouter_model: str,
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fal_token: str, fal_model: str,
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db: BasicDatabase, platform: str):
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global agent
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agent = AiAgent(openrouter_token, openrouter_model, fal_token, fal_model, db, platform)
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