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Update app.py
Browse files
app.py
CHANGED
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@@ -5,110 +5,457 @@ import json
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import os
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from datetime import datetime, date
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import requests
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DB_PATH = "users.json"
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HF_TOKEN = os.getenv("HF_TOKEN", "")
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def load_db():
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try:
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if os.path.exists(DB_PATH):
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with open(DB_PATH, "r") as f:
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return json.load(f)
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except:
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return {}
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return {}
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def save_db(data):
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try:
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with open(DB_PATH, "w") as f:
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json.dump(data, f, indent=2)
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def
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"""Model yanıtı"""
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if not HF_TOKEN:
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try:
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response = requests.post(
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headers={
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json={
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"inputs":
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"parameters": {
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},
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timeout=30
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)
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if response.status_code == 200:
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result = response.json()
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if isinstance(result, list):
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@app.get("/")
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def home():
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@app.get("/health")
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def health():
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return {
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"status": "healthy",
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"
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}
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@app.post("/api/chat")
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async def chat(request: Request):
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try:
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data = await request.json()
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email = data.get("email", "").strip().lower()
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message = data.get("message", "").strip()
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if not email or "@" not in email:
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return JSONResponse(
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if not message:
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return JSONResponse(
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db = load_db()
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if email not in db:
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db[email] = {
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"count": 0,
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"total": 0,
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"last_reset":
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}
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user = db[email]
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user["count"] = 0
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user["last_reset"] =
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if user["count"] >=
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return JSONResponse(
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# Model
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ai_response = get_model_response(message)
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user["count"] += 1
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user["total"] += 1
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save_db(db)
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return {
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"response": ai_response,
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"status": "success",
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"remaining":
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}
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except Exception as e:
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return JSONResponse(
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import os
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from datetime import datetime, date
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import requests
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import logging
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# Logging ayarı
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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app = FastAPI(title="AI Chat API", version="1.0.0")
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# CORS ayarları
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# Dosya yolları ve konfigürasyon
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DB_PATH = "users.json"
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HF_TOKEN = os.getenv("HF_TOKEN", "")
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MODEL_NAME = "mistralai/Mistral-7B-Instruct-v0.2"
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API_URL = f"https://api-inference.huggingface.co/models/{MODEL_NAME}"
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# Varsayılan limitler
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DAILY_LIMIT = 100
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MAX_TOKENS = 200
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def load_db():
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"""Kullanıcı veritabanını yükle"""
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try:
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if os.path.exists(DB_PATH):
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with open(DB_PATH, "r", encoding="utf-8") as f:
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return json.load(f)
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except Exception as e:
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logger.error(f"Veritabanı yükleme hatası: {e}")
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return {}
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return {}
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def save_db(data):
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"""Kullanıcı veritabanını kaydet"""
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try:
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with open(DB_PATH, "w", encoding="utf-8") as f:
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json.dump(data, f, indent=2, ensure_ascii=False)
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return True
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except Exception as e:
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logger.error(f"Veritabanı kaydetme hatası: {e}")
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return False
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def get_model_response_v1(message):
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"""Model yanıtı - V1 (Daha basit format)"""
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if not HF_TOKEN:
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logger.warning("HF_TOKEN bulunamadı")
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return "API token bulunamadı. Lütfen HF_TOKEN ortam değişkenini ayarlayın."
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try:
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# Mistral için uygun prompt formatı
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formatted_prompt = f"<s>[INST] {message} [/INST]"
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response = requests.post(
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API_URL,
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headers={
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"Authorization": f"Bearer {HF_TOKEN}",
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"Content-Type": "application/json"
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},
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json={
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"inputs": formatted_prompt,
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"parameters": {
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"max_new_tokens": MAX_TOKENS,
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"temperature": 0.7,
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"top_p": 0.95,
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"do_sample": True,
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"return_full_text": False
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}
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},
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timeout=30
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)
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logger.info(f"API Yanıt Kodu: {response.status_code}")
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if response.status_code == 200:
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result = response.json()
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logger.info(f"API Yanıtı: {result}")
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# Farklı response formatlarını işle
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if isinstance(result, list):
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if len(result) > 0:
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if isinstance(result[0], dict):
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# Format 1: [{'generated_text': '...'}]
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if 'generated_text' in result[0]:
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text = result[0]['generated_text']
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# Prompt'u temizle
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if isinstance(text, str):
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text = text.replace(formatted_prompt, "").strip()
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return text
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# Format 2: [{'generated_text': [{'content': '...'}]}]
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for key in result[0]:
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if isinstance(result[0][key], str):
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text = result[0][key]
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text = text.replace(formatted_prompt, "").strip()
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return text
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# Direk string dönerse
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if isinstance(result, str):
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return result.replace(formatted_prompt, "").strip()
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return "Yanıt alındı ancak format beklenmiyor."
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elif response.status_code == 503:
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logger.warning("Model yükleniyor...")
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return "Model şu anda yükleniyor, lütfen 10-20 saniye sonra tekrar deneyin."
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elif response.status_code == 429:
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return "Çok fazla istek gönderildi. Lütfen bir süre bekleyin."
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elif response.status_code == 401:
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return "API token geçersiz. Lütfen token'ı kontrol edin."
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else:
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logger.error(f"API Hatası: {response.status_code} - {response.text[:200]}")
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return f"API hatası: {response.status_code}"
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except requests.exceptions.Timeout:
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logger.error("API timeout hatası")
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return "Model yanıt verme süresi aşıldı. Lütfen daha sonra tekrar deneyin."
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except requests.exceptions.ConnectionError:
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logger.error("API bağlantı hatası")
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return "API'ye bağlanılamadı. Lütfen internet bağlantınızı kontrol edin."
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except Exception as e:
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logger.error(f"Model iletişim hatası: {str(e)}")
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return f"Beklenmeyen hata: {str(e)}"
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def get_model_response_v2(message):
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"""Model yanıtı - V2 (Alternatif yaklaşım)"""
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if not HF_TOKEN:
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return "API token bulunamadı."
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try:
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# Daha basit prompt formatı
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formatted_prompt = f"Kullanıcı: {message}\nAsistan:"
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response = requests.post(
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API_URL,
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headers={"Authorization": f"Bearer {HF_TOKEN}"},
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json={
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"inputs": formatted_prompt,
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"parameters": {
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"max_new_tokens": 150,
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"temperature": 0.8,
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"top_k": 50,
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"return_full_text": False
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}
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},
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timeout=25
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)
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if response.status_code == 200:
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result = response.json()
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# Basit format çözümleme
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if isinstance(result, list):
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for item in result:
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if isinstance(item, dict):
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for key, value in item.items():
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if isinstance(value, str):
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# Prompt'u temizle
|
| 175 |
+
cleaned = value.replace(formatted_prompt, "").strip()
|
| 176 |
+
if cleaned:
|
| 177 |
+
return cleaned
|
| 178 |
+
elif isinstance(value, list):
|
| 179 |
+
for sub_item in value:
|
| 180 |
+
if isinstance(sub_item, dict) and 'content' in sub_item:
|
| 181 |
+
return sub_item['content']
|
| 182 |
+
|
| 183 |
+
return "Anlamlı bir yanıt alınamadı."
|
| 184 |
+
|
| 185 |
+
return "Model geçici olarak kullanılamıyor."
|
| 186 |
+
|
| 187 |
+
except Exception:
|
| 188 |
+
return "Bağlantı hatası oluştu."
|
| 189 |
+
|
| 190 |
+
def get_model_response_v3(message):
|
| 191 |
+
"""Model yanıtı - V3 (En basit)"""
|
| 192 |
+
if not HF_TOKEN:
|
| 193 |
+
return "Sistem hazır değil. Lütfen daha sonra tekrar deneyin."
|
| 194 |
+
|
| 195 |
+
try:
|
| 196 |
+
# En basit yaklaşım
|
| 197 |
+
response = requests.post(
|
| 198 |
+
API_URL,
|
| 199 |
+
headers={"Authorization": f"Bearer {HF_TOKEN}"},
|
| 200 |
+
json={"inputs": message},
|
| 201 |
+
timeout=20
|
| 202 |
+
)
|
| 203 |
+
|
| 204 |
+
if response.status_code == 200:
|
| 205 |
+
result = response.json()
|
| 206 |
+
|
| 207 |
+
# Çok basit parsing
|
| 208 |
+
if isinstance(result, list):
|
| 209 |
+
return str(result[0]) if result else "Boş yanıt"
|
| 210 |
+
elif isinstance(result, dict):
|
| 211 |
+
for value in result.values():
|
| 212 |
+
if isinstance(value, str) and value.strip():
|
| 213 |
+
return value.strip()
|
| 214 |
+
|
| 215 |
+
return "Yanıt işlenemedi"
|
| 216 |
+
|
| 217 |
+
return f"Hata kodu: {response.status_code}"
|
| 218 |
+
|
| 219 |
+
except Exception:
|
| 220 |
+
return "Servis geçici olarak kullanılamıyor."
|
| 221 |
+
|
| 222 |
+
def get_model_response(message):
|
| 223 |
+
"""Ana model yanıt fonksiyonu - Tüm versiyonları dener"""
|
| 224 |
+
logger.info(f"Gelen mesaj: {message}")
|
| 225 |
+
|
| 226 |
+
# Versiyonları sırayla dene
|
| 227 |
+
responses = []
|
| 228 |
+
|
| 229 |
+
# V1'i dene
|
| 230 |
+
response_v1 = get_model_response_v1(message)
|
| 231 |
+
if response_v1 and len(response_v1) > 10 and "token" not in response_v1.lower() and "hata" not in response_v1.lower():
|
| 232 |
+
return response_v1
|
| 233 |
+
responses.append(response_v1)
|
| 234 |
+
|
| 235 |
+
# V2'yi dene
|
| 236 |
+
response_v2 = get_model_response_v2(message)
|
| 237 |
+
if response_v2 and len(response_v2) > 10 and "token" not in response_v2.lower() and "hata" not in response_v2.lower():
|
| 238 |
+
return response_v2
|
| 239 |
+
responses.append(response_v2)
|
| 240 |
+
|
| 241 |
+
# V3'ü dene
|
| 242 |
+
response_v3 = get_model_response_v3(message)
|
| 243 |
+
if response_v3 and len(response_v3) > 10:
|
| 244 |
+
return response_v3
|
| 245 |
+
|
| 246 |
+
# Hiçbiri çalışmazsa en iyi yanıtı seç
|
| 247 |
+
for resp in responses:
|
| 248 |
+
if resp and len(resp) > 5:
|
| 249 |
+
return resp
|
| 250 |
+
|
| 251 |
+
return "Üzgünüm, şu anda yanıt veremiyorum. Lütfen daha sonra tekrar deneyin."
|
| 252 |
|
| 253 |
@app.get("/")
|
| 254 |
def home():
|
| 255 |
+
"""Ana sayfa"""
|
| 256 |
+
return {
|
| 257 |
+
"app": "AI Chat API",
|
| 258 |
+
"version": "1.0.0",
|
| 259 |
+
"status": "active",
|
| 260 |
+
"endpoints": {
|
| 261 |
+
"health": "/health",
|
| 262 |
+
"chat": "/api/chat (POST)",
|
| 263 |
+
"stats": "/api/stats/{email} (GET)"
|
| 264 |
+
}
|
| 265 |
+
}
|
| 266 |
|
| 267 |
@app.get("/health")
|
| 268 |
def health():
|
| 269 |
+
"""Sağlık kontrolü"""
|
| 270 |
+
token_status = "valid" if HF_TOKEN else "missing"
|
| 271 |
+
db_status = "exists" if os.path.exists(DB_PATH) else "missing"
|
| 272 |
+
|
| 273 |
return {
|
| 274 |
+
"status": "healthy",
|
| 275 |
+
"timestamp": datetime.now().isoformat(),
|
| 276 |
+
"token": token_status,
|
| 277 |
+
"database": db_status,
|
| 278 |
+
"model": MODEL_NAME,
|
| 279 |
+
"daily_limit": DAILY_LIMIT
|
| 280 |
}
|
| 281 |
|
| 282 |
@app.post("/api/chat")
|
| 283 |
async def chat(request: Request):
|
| 284 |
+
"""Chat endpoint'i"""
|
| 285 |
try:
|
| 286 |
data = await request.json()
|
| 287 |
email = data.get("email", "").strip().lower()
|
| 288 |
message = data.get("message", "").strip()
|
| 289 |
|
| 290 |
+
logger.info(f"Chat isteği - Email: {email}, Mesaj: {message[:50]}...")
|
| 291 |
+
|
| 292 |
+
# Validasyon
|
| 293 |
if not email or "@" not in email:
|
| 294 |
+
return JSONResponse(
|
| 295 |
+
status_code=400,
|
| 296 |
+
content={"error": "Geçerli bir email adresi giriniz."}
|
| 297 |
+
)
|
| 298 |
|
| 299 |
if not message:
|
| 300 |
+
return JSONResponse(
|
| 301 |
+
status_code=400,
|
| 302 |
+
content={"error": "Mesaj boş olamaz."}
|
| 303 |
+
)
|
| 304 |
+
|
| 305 |
+
if len(message) > 1000:
|
| 306 |
+
return JSONResponse(
|
| 307 |
+
status_code=400,
|
| 308 |
+
content={"error": "Mesaj çok uzun. Maksimum 1000 karakter."}
|
| 309 |
+
)
|
| 310 |
|
| 311 |
+
# Veritabanı işlemleri
|
| 312 |
db = load_db()
|
| 313 |
+
today = date.today().isoformat()
|
| 314 |
|
| 315 |
if email not in db:
|
| 316 |
db[email] = {
|
| 317 |
"count": 0,
|
| 318 |
"total": 0,
|
| 319 |
+
"last_reset": today,
|
| 320 |
+
"created_at": datetime.now().isoformat(),
|
| 321 |
+
"last_used": datetime.now().isoformat()
|
| 322 |
}
|
| 323 |
|
| 324 |
user = db[email]
|
| 325 |
|
| 326 |
+
# Günlük limit kontrolü
|
| 327 |
+
if user["last_reset"] != today:
|
| 328 |
user["count"] = 0
|
| 329 |
+
user["last_reset"] = today
|
| 330 |
|
| 331 |
+
if user["count"] >= DAILY_LIMIT:
|
| 332 |
+
return JSONResponse(
|
| 333 |
+
status_code=429,
|
| 334 |
+
content={
|
| 335 |
+
"error": "Günlük limit doldu",
|
| 336 |
+
"limit": DAILY_LIMIT,
|
| 337 |
+
"reset_date": today
|
| 338 |
+
}
|
| 339 |
+
)
|
| 340 |
|
| 341 |
+
# Model yanıtını al
|
| 342 |
+
start_time = datetime.now()
|
| 343 |
ai_response = get_model_response(message)
|
| 344 |
+
response_time = (datetime.now() - start_time).total_seconds()
|
| 345 |
|
| 346 |
+
logger.info(f"Yanıt süresi: {response_time:.2f}s")
|
| 347 |
+
|
| 348 |
+
# Kullanıcı istatistiklerini güncelle
|
| 349 |
user["count"] += 1
|
| 350 |
user["total"] += 1
|
| 351 |
+
user["last_used"] = datetime.now().isoformat()
|
| 352 |
+
|
| 353 |
+
# Veritabanını kaydet
|
| 354 |
save_db(db)
|
| 355 |
|
| 356 |
+
# Yanıt
|
| 357 |
return {
|
| 358 |
"response": ai_response,
|
| 359 |
"status": "success",
|
| 360 |
+
"remaining": DAILY_LIMIT - user["count"],
|
| 361 |
+
"used_today": user["count"],
|
| 362 |
+
"total_used": user["total"],
|
| 363 |
+
"response_time": f"{response_time:.2f}s"
|
| 364 |
+
}
|
| 365 |
+
|
| 366 |
+
except json.JSONDecodeError:
|
| 367 |
+
return JSONResponse(
|
| 368 |
+
status_code=400,
|
| 369 |
+
content={"error": "Geçersiz JSON formatı"}
|
| 370 |
+
)
|
| 371 |
+
|
| 372 |
+
except Exception as e:
|
| 373 |
+
logger.error(f"Chat hatası: {str(e)}")
|
| 374 |
+
return JSONResponse(
|
| 375 |
+
status_code=500,
|
| 376 |
+
content={"error": f"Sunucu hatası: {str(e)}"}
|
| 377 |
+
)
|
| 378 |
+
|
| 379 |
+
@app.get("/api/stats/{email}")
|
| 380 |
+
def get_stats(email: str):
|
| 381 |
+
"""Kullanıcı istatistiklerini getir"""
|
| 382 |
+
try:
|
| 383 |
+
email = email.strip().lower()
|
| 384 |
+
db = load_db()
|
| 385 |
+
|
| 386 |
+
if email not in db:
|
| 387 |
+
return JSONResponse(
|
| 388 |
+
status_code=404,
|
| 389 |
+
content={"error": "Kullanıcı bulunamadı"}
|
| 390 |
+
)
|
| 391 |
+
|
| 392 |
+
user = db[email]
|
| 393 |
+
today = date.today().isoformat()
|
| 394 |
+
|
| 395 |
+
# Günlük limit sıfırlama kontrolü
|
| 396 |
+
if user["last_reset"] != today:
|
| 397 |
+
user["count"] = 0
|
| 398 |
+
user["last_reset"] = today
|
| 399 |
+
save_db(db)
|
| 400 |
+
|
| 401 |
+
return {
|
| 402 |
+
"email": email,
|
| 403 |
+
"used_today": user["count"],
|
| 404 |
+
"remaining_today": DAILY_LIMIT - user["count"],
|
| 405 |
+
"total_used": user["total"],
|
| 406 |
+
"last_reset": user["last_reset"],
|
| 407 |
+
"last_used": user.get("last_used", "never"),
|
| 408 |
+
"created_at": user.get("created_at", "unknown")
|
| 409 |
}
|
| 410 |
|
| 411 |
except Exception as e:
|
| 412 |
+
return JSONResponse(
|
| 413 |
+
status_code=500,
|
| 414 |
+
content={"error": str(e)}
|
| 415 |
+
)
|
| 416 |
+
|
| 417 |
+
@app.get("/api/reset-test/{email}")
|
| 418 |
+
def reset_test(email: str):
|
| 419 |
+
"""Test için kullanıcı limitini sıfırla"""
|
| 420 |
+
try:
|
| 421 |
+
email = email.strip().lower()
|
| 422 |
+
db = load_db()
|
| 423 |
+
|
| 424 |
+
if email in db:
|
| 425 |
+
db[email]["count"] = 0
|
| 426 |
+
db[email]["last_reset"] = date.today().isoformat()
|
| 427 |
+
save_db(db)
|
| 428 |
+
|
| 429 |
+
return {
|
| 430 |
+
"status": "success",
|
| 431 |
+
"message": f"{email} limiti sıfırlandı"
|
| 432 |
+
}
|
| 433 |
+
else:
|
| 434 |
+
return JSONResponse(
|
| 435 |
+
status_code=404,
|
| 436 |
+
content={"error": "Kullanıcı bulunamadı"}
|
| 437 |
+
)
|
| 438 |
+
|
| 439 |
+
except Exception as e:
|
| 440 |
+
return JSONResponse(
|
| 441 |
+
status_code=500,
|
| 442 |
+
content={"error": str(e)}
|
| 443 |
+
)
|
| 444 |
+
|
| 445 |
+
if __name__ == "__main__":
|
| 446 |
+
import uvicorn
|
| 447 |
+
|
| 448 |
+
logger.info("=" * 50)
|
| 449 |
+
logger.info("AI Chat API Başlatılıyor...")
|
| 450 |
+
logger.info(f"Model: {MODEL_NAME}")
|
| 451 |
+
logger.info(f"Token Durumu: {'Var' if HF_TOKEN else 'Yok'}")
|
| 452 |
+
logger.info(f"Günlük Limit: {DAILY_LIMIT}")
|
| 453 |
+
logger.info("=" * 50)
|
| 454 |
+
|
| 455 |
+
uvicorn.run(
|
| 456 |
+
"app:app",
|
| 457 |
+
host="0.0.0.0",
|
| 458 |
+
port=8000,
|
| 459 |
+
reload=True,
|
| 460 |
+
log_level="info"
|
| 461 |
+
)
|