Fix automated relay map generation (#12)

.github/workflows/relay-maps.yml

@@ -31,11 +31,13 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install matplotlib pandas numpy folium scipy
+        # Matplotlib 3.11 raises a LinearRing error with Cartopy 0.25.0.
+        # Keep this at the last version known to render all three maps.
+        pip install matplotlib==3.10.9 pandas numpy folium scipy
         # Install cartopy and its dependencies
         sudo apt-get update
         sudo apt-get install -y libproj-dev proj-bin proj-data libgeos-dev
-        pip install cartopy
+        pip install cartopy==0.25.0
     
     - name: Generate relay maps
       run: |

scripts/generate_relay_map.py

@@ -199,7 +199,6 @@ def main():
     # Ensure the assets directory exists
     os.makedirs('assets', exist_ok=True)
 
-    try:
     # Read the relay data
     df = pd.read_csv('nostr_relays.csv')
 
@@ -210,43 +209,24 @@ def main():
     df = df[(df['Latitude'] >= -90) & (df['Latitude'] <= 90) &
             (df['Longitude'] >= -180) & (df['Longitude'] <= 180)]
 
-        # Generate maps
-        # 1. Interactive HTML map
+    # Generate maps. Any failure must propagate so CI cannot commit a partial
+    # update while reporting a successful workflow.
     relay_count_interactive = create_interactive_map(
         df,
         'assets/relay_locations_interactive.html'
     )
-        
-        # 2. Static PNG map
-        try:
     relay_count_static = create_static_map(
         df,
         'assets/relay_locations_static.png'
     )
-        except Exception as e:
-            print(f"Error creating static map: {e}")
-            relay_count_static = 0
-        
-        # 3. Heatmap
-        try:
-            from scipy.ndimage import gaussian_filter
     relay_count_heatmap = create_heatmap(
         df,
         'assets/relay_locations_heatmap.png'
     )
-        except ImportError:
-            print("Could not create heatmap: scipy not installed")
-            relay_count_heatmap = 0
 
-        # Print summary
     print(f"Generated interactive map with {relay_count_interactive} relays")
-        if relay_count_static > 0:
     print(f"Generated static map with {relay_count_static} relays")
-        if relay_count_heatmap > 0:
     print(f"Generated heatmap with {relay_count_heatmap} relays")
 
-    except Exception as e:
-        print(f"Error generating relay maps: {e}")
-
 if __name__ == "__main__":
     main()