Use HTTPS for Overpass + add debug prints + expose traceback

app.py

@@ -40,7 +40,7 @@ import time
 
 
 # OSM Overpass API URL
-OVERPASS_URL = "http://overpass-api.de/api/interpreter"
+OVERPASS_URL = "https://overpass-api.de/api/interpreter"
 
 def latlon_to_utm(lat: float, lon: float) -> Tuple[float, float]:
     """Convert WGS84 (lat/lon in degrees) to UTM (meters)."""
@@ -48,7 +48,7 @@ def latlon_to_utm(lat: float, lon: float) -> Tuple[float, float]:
     x, y = proj(lon, lat)  # Note: pyproj uses (lon, lat) order
     return x, y
 
-def fetch_osm_data(lat: float, lon: float, radius: int = 500) -> Optional[Dict]:
+"""def fetch_osm_data(lat: float, lon: float, radius: int = 500) -> Optional[Dict]:
     """Fetch OSM data for buildings within a given radius of a coordinate."""
     query = f"""
     [out:json];
@@ -69,7 +69,34 @@ def fetch_osm_data(lat: float, lon: float, radius: int = 500) -> Optional[Dict]:
             return None
     except Exception as e:
         print(f"Error fetching OSM data: {e}")
-        return None
+        return None"""
+
+def fetch_osm_data(lat: float, lon: float, radius: int = 500) -> Optional[Dict]:
+    query = f"""
+    [out:json];
+    (
+        way(around:{radius},{lat},{lon})[building];
+    );
+    out body;
+    >;
+    out skel qt;
+    """
+
+    try:
+        r = requests.get(OVERPASS_URL, params={"data": query}, timeout=30)
+        print(f"🛰️  Overpass status code: {r.status_code}")
+        if r.status_code != 200:
+            print(f"🚨  Overpass error body: {r.text[:200]!r}")
+            return None
+
+        data = r.json()
+        print(f"✅  Fetched {len(data.get('elements', []))} OSM elements")
+        return data
+
+    except Exception as e:
+        print(f"❌  Exception while fetching OSM data: {e}")
+        raise   # re-raise so we see the traceback in the logs
+
 
 def parse_osm_data(osm_data: Dict) -> List[Dict]:
     """Extract building footprints and heights from OSM data."""
@@ -231,8 +258,12 @@ def generate_3d_model(latitude: float, longitude: float, radius: int) -> Tuple[s
         else:
             return None, "❌ Failed to save 3D model file.", ""
             
+    """except Exception as e:
+        return None, f"❌ Unexpected error: {str(e)}", "" """
     except Exception as e:
-        return None, f"❌ Unexpected error: {str(e)}", ""
+        import traceback
+        traceback.print_exc()
+        raise