Update app.py

app.py

@@ -11,8 +11,19 @@ import gspread
 from oauth2client.service_account import ServiceAccountCredentials
 import requests
 
-# 請將你的 Google Sheets 服務帳戶金鑰檔案命名為 "service_account.json" 並放在同一目錄
-SERVICE_ACCOUNT_FILE = "service_account.json"
+# Hugging Face Spaces 上從 Secrets 讀取服務帳戶金鑰
+try:
+    google_sheets_creds_json = os.environ.get("GOOGLE_SHEETS_SERVICE_ACCOUNT")
+    if not google_sheets_creds_json:
+        raise ValueError("GOOGLE_SHEETS_SERVICE_ACCOUNT environment variable is not set.")
+    
+    with tempfile.NamedTemporaryFile(mode='w', delete=False, suffix='.json') as temp_key_file:
+        temp_key_file.write(google_sheets_creds_json)
+        SERVICE_ACCOUNT_FILE = temp_key_file.name
+except Exception as e:
+    print(f"Failed to load Google Sheets credentials from environment variable: {e}")
+    # Fallback to local file for local testing
+    SERVICE_ACCOUNT_FILE = "service_account.json"
 
 # --- Google Sheets 相關函式 ---
 def get_sheet_data(spreadsheet_url):
@@ -33,7 +44,7 @@ def get_sheet_data(spreadsheet_url):
         headers = list_of_lists[0]
         data = []
         for i, row in enumerate(list_of_lists[1:], start=2):
-            if not any(row):  # 跳過空行
+            if not any(row):
                 continue
             row_dict = dict(zip(headers, row))
             data.append({
@@ -85,7 +96,7 @@ def get_row_data(spreadsheet_url, row_number):
     except Exception as e:
         raise gr.Error(f"讀取指定行時發生錯誤: {e}", duration=10)
 
-# --- 下載圖片函式 (已更新) ---
+# --- 下載圖片函式 ---
 def load_image_from_url(url: str):
     """
     從 URL 下載圖片並以 PIL Image 格式回傳，使用更穩健的請求標頭。
@@ -93,17 +104,16 @@ def load_image_from_url(url: str):
     if not url:
         return None
     try:
-        # 使用更完整的標頭來模擬瀏覽器請求
         headers = {
             'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
-            'Referer': 'https://www.google.com/',  # 模擬從 Google 搜尋點擊過來的
+            'Referer': 'https://www.google.com/',
             'Accept-Encoding': 'gzip, deflate, br',
             'Accept-Language': 'en-US,en;q=0.9',
             'Connection': 'keep-alive',
         }
         
         response = requests.get(url, timeout=20, headers=headers)
-        response.raise_for_status()  # 如果狀態碼是 4xx 或 5xx，將引發異常
+        response.raise_for_status()
 
         image = Image.open(BytesIO(response.content)).convert("RGB")
         print(f"Debug: Successfully loaded image from URL: {url}")
@@ -172,7 +182,6 @@ def generate_image_from_row(sheet_url, row_number, gemini_api_key):
 
         images_for_gemini = []
         
-        # 使用新的函式
         if white_back_url:
             wb_img = load_image_from_url(white_back_url)
             if wb_img: