added metrics tracking and logger

app.py

@@ -1,20 +1,53 @@
 import gradio as gr
 from transformers import pipeline
 from fastapi import FastAPI
+import time
+from datetime import datetime
+import logging
 from summarizer import summarize_via_hf
 from fastapi.middleware.cors import CORSMiddleware
 import os
 
+# Настройка логирования
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s | %(levelname)s | %(message)s",
+)
+logger = logging.getLogger("ErohaSummarizer")
+
+
 # 1. Модель суммаризации (ленивая загрузка)
 summarizer = None
 
 def summarize_text(text: str):
-    """Функция суммаризации текста"""
+    """Функция суммаризации текста с метриками"""
+    start_time = time.time()
     global summarizer
-    if summarizer is None:
-        summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
-    result = summarizer(text, max_length=180, min_length=50, do_sample=False)
-    return result[0]["summary_text"]
+    try:
+        if summarizer is None:
+            summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
+
+        result = summarizer(text, max_length=180, min_length=50, do_sample=False)
+        summary = result[0]["summary_text"]
+
+        # Метрики
+        elapsed = round(time.time() - start_time, 3)
+        metrics = {
+            "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
+            "input_length": len(text),
+            "summary_length": len(summary),
+            "processing_time_sec": elapsed,
+            "status": "success",
+        }
+
+        logger.info(f"[METRICS] {metrics}")
+        return summary
+
+    except Exception as e:
+        elapsed = round(time.time() - start_time, 3)
+        logger.error(f"[ERROR] {e} | time={elapsed}s")
+        return f"Ошибка: {e}"
+
 
 # 2. FastAPI-приложение (для REST API)
 app = FastAPI(title="Eroha Summarizer PRO")
@@ -41,6 +74,20 @@ async def analyze_text(data: dict):
     summary = summarize_via_hf(text)
     return {"summary": summary}
 
+@app.get("/metrics/test")
+def test_metrics():
+    """
+    Тестовый endpoint — показывает пример метрики.
+    """
+    example = {
+        "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
+        "input_length": 250,
+        "summary_length": 80,
+        "processing_time_sec": 1.23,
+        "status": "success"
+    }
+    return {"metrics_example": example}
+
 # 3. Gradio интерфейс (веб-интерфейс)
 iface = gr.Interface(
     fn=summarize_text,