Update app.py

app.py

@@ -505,6 +505,7 @@
 #     print(f"\n🚀 Starting Flask on 0.0.0.0:{port}\n")
 #     app.run(host="0.0.0.0", port=port, debug=False)
 
+
 import pickle
 import faiss
 from flask import Flask, request, jsonify, render_template_string
@@ -524,14 +525,27 @@ print("=" * 50)
 # ------------------------------
 # Initialize Groq API Client
 # ------------------------------
-# Get your free API key from: https://console.groq.com/keys
-GROQ_API_KEY = os.environ.get("GROQ_API_KEY", "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")  # Set this in your environment
+# Get API key from Hugging Face Secrets or environment variable
+GROQ_API_KEY = os.environ.get("GROQ_API_KEY", "")
+
 if not GROQ_API_KEY:
-    print("⚠️ WARNING: GROQ_API_KEY not set. Get one from https://console.groq.com/keys")
-    print("Set it with: export GROQ_API_KEY='your-key-here'")
+    print("=" * 50)
+    print("⚠️ ERROR: GROQ_API_KEY not found!")
+    print("=" * 50)
+    print("Please add it in:")
+    print("1. Hugging Face Space Settings → Repository secrets")
+    print("2. Or set environment variable: export GROQ_API_KEY='your-key'")
+    print("Get your free key from: https://console.groq.com/keys")
+    print("=" * 50)
+else:
+    print(f"✓ Groq API key found (starts with: {GROQ_API_KEY[:10]}...)")
 
-groq_client = Groq(api_key=GROQ_API_KEY)
-print("✓ Groq API client initialized")
+try:
+    groq_client = Groq(api_key=GROQ_API_KEY)
+    print("✓ Groq API client initialized successfully")
+except Exception as e:
+    print(f"❌ Failed to initialize Groq client: {e}")
+    groq_client = None
 
 # ------------------------------
 # Load embedding model (CPU)
@@ -622,6 +636,10 @@ def rag_search(query, subject, k=5):
 # MCQ Generation using Groq API
 # ------------------------------
 def generate_mcqs(context, topic, subject):
+    # Check if Groq client is available
+    if not groq_client:
+        return "Error: Groq API client not initialized. Please check your GROQ_API_KEY in Space settings."
+    
     # Check cache first
     context_hash = hashlib.md5(context.encode()).hexdigest()[:8]
     cache_key = get_cache_key(topic, subject, context_hash)
@@ -1009,5 +1027,4 @@ def clear_cache():
 if __name__ == "__main__":
     port = int(os.environ.get("PORT", 7860))
     print(f"\n🚀 Starting Flask on 0.0.0.0:{port}\n")
-    app.run(host="0.0.0.0", port=port, debug=False)
-
+    app.run(host="0.0.0.0", port=port, debug=False)