Update app.py

app.py

@@ -14,21 +14,22 @@ This tool connects to the LOC API, retrieves metadata from a selected collection
 an analysis of metadata completeness, suggests enhancements, and identifies authority gaps.
 """)
 
+# Updated collection URLs using the correct LOC API format
 # Updated collection URLs using the correct LOC API format
 collections = {
-    "American Revolutionary War Maps": {"path": "maps", "query": "american+revolutionary+war"},
-    "Civil War Maps": {"path": "maps", "query": "civil+war"},
-    "Women's Suffrage": {"path": "collection", "query": "women+suffrage"},
-    "World War I Posters": {"path": "pictures", "query": "world+war+I+posters"}
+    "American Revolutionary War Maps": "american+revolutionary+war+maps",
+    "Civil War Maps": "civil+war+maps",
+    "Women's Suffrage": "women+suffrage",
+    "World War I Posters": "world+war+posters"
 }
 
 # Sidebar for selecting collection
 st.sidebar.markdown("## Settings")
 selected = st.sidebar.selectbox("Select a collection", list(collections.keys()))
-collection_info = collections[selected]
+search_query = collections[selected]
 
-# Correct URL format for LOC API
-collection_url = f"https://www.loc.gov/{collection_info['path']}/search/?q={collection_info['query']}&fo=json"
+# Use the main search endpoint (most reliable)
+collection_url = f"https://www.loc.gov/search/?q={search_query}&fo=json"
 st.sidebar.write(f"Selected Collection: {selected}")
 st.sidebar.write(f"API URL: {collection_url}")