Add diagnostic version of streamlit_app.py to isolate FRED API key issues in Streamlit Cloud

streamlit_app.py

@@ -1,26 +1,49 @@
 #!/usr/bin/env python3
-"""Entry‐point for Streamlit Cloud deployment."""
+"""Diagnostic entry‐point for Streamlit Cloud deployment."""
 import os, sys
+import streamlit as st
 from dotenv import load_dotenv
 
 # 1) Load .env (locally) and merge in Streamlit secrets
-load_dotenv()
-from streamlit import secrets  # for Cloud
+load_dotenv()  # Local .env, no-op on Cloud
 
-# 2) Ensure our code is importable
-HERE = os.path.dirname(os.path.abspath(__file__))
-sys.path.insert(0, os.path.join(HERE, "frontend"))
-sys.path.insert(0, HERE)
+st.write("🌱 os.environ keys with 'FRED': ", [k for k in os.environ if "FRED" in k])
+st.write("🌱 st.secrets keys: ", list(st.secrets.keys()))
 
-# 3) Get the FRED key from env or Streamlit secrets
-fred_key = os.getenv("FRED_API_KEY") or secrets.get("FRED_API_KEY")
-if not fred_key:
-    import streamlit as st
-    st.error("❌ FRED API not available. Please configure your FRED_API_KEY.")
-    st.stop()
+# Now fetch the key from both places
+env_key = os.getenv("FRED_API_KEY")
+secrets_key = st.secrets.get("FRED_API_KEY")
+st.write("🌱 os.getenv FRED_API_KEY:", env_key or "‹None›")
+st.write("🌱 st.secrets FRED_API_KEY:", secrets_key or "‹None›")
 
-# 4) Import and run your real app
-from frontend.app import main as app_main
-
-# Call the main function directly for Streamlit Cloud
-app_main() 
+# Test FRED API call if we have a key
+fred_key = env_key or secrets_key
+if fred_key:
+    try:
+        from fredapi import Fred
+        fred = Fred(api_key=fred_key)
+        
+        # Quick sanity check:
+        pts = fred.get_series("GDP", observation_start="2020-01-01", observation_end="2020-01-01")
+        st.write("✅ Fetched test point:", pts.iloc[0])
+        st.success("🎉 FRED API connection successful!")
+        
+        # If we get here, the API works - let's try the real app
+        st.write("🚀 Attempting to load real app...")
+        
+        # 2) Ensure our code is importable
+        HERE = os.path.dirname(os.path.abspath(__file__))
+        sys.path.insert(0, os.path.join(HERE, "frontend"))
+        sys.path.insert(0, HERE)
+        
+        # 3) Import and run your real app
+        from frontend.app import main as app_main
+        app_main()
+        
+    except Exception as e:
+        st.error(f"🚨 fredapi call failed: {e}")
+        st.stop()
+else:
+    st.error("❌ No FRED API key found in environment or secrets")
+    st.info("Please configure FRED_API_KEY in Streamlit Cloud secrets")
+    st.stop()