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Create app.py
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app.py
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import os
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import json
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from fastapi import FastAPI, Request, HTTPException, Response
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from fastapi.responses import PlainTextResponse
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from huggingface_hub import InferenceClient
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import io
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from PIL import Image
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app = FastAPI(title="VK AI Webhook Bot")
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# Переменные окружения (добавьте их в Settings → Variables в Space)
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VK_TOKEN = os.getenv("VK_TOKEN") # access_token группы
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VK_SECRET = os.getenv("VK_SECRET") # секретное слово (придумайте сами)
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HF_TOKEN = os.getenv("HF_TOKEN") # ваш HF токен
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CONFIRMATION_STRING = os.getenv("VK_CONFIRM") # строка подтверждения из VK
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client = InferenceClient(token=HF_TOKEN)
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LLM_MODEL = "Qwen/Qwen2.5-7B-Instruct"
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IMG_MODEL = "stabilityai/stable-diffusion-xl-base-1.0"
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@app.get("/")
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async def root():
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return {"status": "VK Webhook Bot is running"}
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@app.post("/webhook")
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async def vk_webhook(request: Request):
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try:
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body = await request.json()
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except:
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raise HTTPException(400, "Invalid JSON")
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# Проверка секретного ключа (обязательно!)
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if body.get("secret") != VK_SECRET:
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raise HTTPException(403, "Invalid secret")
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event_type = body.get("type")
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if event_type == "confirmation":
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# VK при настройке шлёт confirmation → возвращаем строку подтверждения
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if CONFIRMATION_STRING:
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return PlainTextResponse(CONFIRMATION_STRING)
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else:
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raise HTTPException(500, "Confirmation string not set")
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if event_type == "message_new":
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msg = body["object"]["message"]
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peer_id = msg["peer_id"]
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text = msg["text"].strip()
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from_id = msg["from_id"]
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msg_id = msg.get("id") # для reply_to
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low_text = text.lower()
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# Пример обработки команд
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if low_text.startswith("!картинка") or "нарисуй" in low_text:
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prompt = text.replace("!картинка", "").replace("нарисуй", "").strip()
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if not prompt:
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# Отправляем ответ (через vk_api или requests — см. ниже)
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await send_vk_message(peer_id, "Укажите, что нарисовать!", msg_id)
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return {"ok": True}
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await send_vk_message(peer_id, f"Генерирую картинку: «{prompt}»...", msg_id)
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try:
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image = client.text_to_image(
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prompt,
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model=IMG_MODEL,
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num_inference_steps=25,
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guidance_scale=7.0
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)
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buf = io.BytesIO()
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image.save(buf, format="PNG")
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buf.seek(0)
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# Здесь нужно загрузить фото в ВК и получить attachment
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# Для этого используйте vk_api или requests + upload сервер
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# Простой вариант — пока просто логируем
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print("Картинка сгенерирована")
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await send_vk_message(peer_id, "Картинка готова! (загрузка пока не реализована)", msg_id)
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except Exception as e:
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await send_vk_message(peer_id, f"Ошибка генерации: {str(e)[:100]}", msg_id)
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else:
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# Обычный чат с AI
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try:
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response = client.chat.completions.create(
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model=LLM_MODEL,
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messages=[{"role": "user", "content": text}],
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max_tokens=400
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)
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answer = response.choices[0].message.content.strip()
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await send_vk_message(peer_id, answer, msg_id)
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except Exception as e:
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await send_vk_message(peer_id, "Ошибка ИИ, попробуйте позже", msg_id)
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return {"ok": True} # VK требует "ok" или 200 OK
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async def send_vk_message(peer_id: int, text: str, reply_to: int = None):
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"""Отправка сообщения через VK API (простой вариант через requests)"""
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import requests
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params = {
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"peer_id": peer_id,
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"message": text,
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"random_id": 0,
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"access_token": VK_TOKEN,
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"v": "5.199"
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}
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if reply_to:
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params["reply_to"] = reply_to
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try:
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requests.post("https://api.vk.com/method/messages.send", params=params)
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except:
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print("Ошибка отправки сообщения в VK")
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