Update app.py

app.py

@@ -7,7 +7,8 @@ import base64
 import folium
 from streamlit_folium import st_folium
 from geopy.geocoders import Nominatim
-from geopy.exc import GeocoderTimedOut
+from geopy.exc import GeocoderTimedOut, GeocoderServiceError
+import time
 
 # Function to set background image
 def set_background(png_file):
@@ -67,12 +68,21 @@ data_list = []
 # Initialize the geolocator
 geolocator = Nominatim(user_agent="geoapiExercises")
 
-# Function to geocode an address
-def geocode_address(address):
-    try:
-        return geolocator.geocode(address)
-    except GeocoderTimedOut:
-        return geocode_address(address)
+# Function to geocode an address with retry logic
+def geocode_address(address, retries=3, delay=2):
+    for i in range(retries):
+        try:
+            location = geolocator.geocode(address)
+            if location:
+                return location
+        except (GeocoderTimedOut, GeocoderServiceError) as e:
+            st.warning(f"Geocoding error: {e}. Retrying...")
+            time.sleep(delay)
+        except GeocoderServiceError as e:
+            st.error(f"Service error: {e}")
+            break
+    st.warning(f"Failed to geocode address: {address}")
+    return None
 
 # Scrape data when the button is pressed
 if st.button('開始爬取資料'):
@@ -101,8 +111,6 @@ if st.button('開始爬取資料'):
                     "經度": location.longitude,
                     "緯度": location.latitude
                 })
-            else:
-                st.warning(f"無法獲取經緯度: {address}")
 
     # If data was scraped successfully
     if data_list: