Update app.py

app.py

@@ -8,6 +8,10 @@ import random
 import networkx as nx
 from datetime import datetime, timedelta
 import gradio as gr
+import logging
+
+# 設置日誌
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
 
 # 中文顯示設置
 plt.rcParams['font.sans-serif'] = ['Microsoft JhengHei', 'Arial Unicode MS', 'SimHei', 'DejaVu Sans']
@@ -24,12 +28,17 @@ history_file = "history_sentiment.csv"
 try:
     from transformers import pipeline
     sentiment_pipeline = pipeline("sentiment-analysis", model="lxyuan/distilbert-base-multilingual-cased-sentiments-student")
-    def sentiment(text): return sentiment_pipeline(text)[0]
+    def sentiment(text): 
+        logging.info(f"Performing sentiment analysis on text: {text[:50]}...")
+        return sentiment_pipeline(text)[0]
 except:
-    def sentiment(text): return {"label": random.choice(["positive", "negative"]), "score": 0.5}
+    def sentiment(text):
+        logging.warning("Sentiment model failed to load, using random fallback.")
+        return {"label": random.choice(["positive", "negative"]), "score": 0.5}
 
 # 模擬抓貼文
 def fetch_tweets(candidate):
+    logging.info(f"Fetching tweets for candidate: {candidate}")
     return pd.DataFrame([
         {
             "日期": datetime.now() - timedelta(days=random.randint(0, days_back - 1)),
@@ -52,7 +61,14 @@ def plot_to_base64(fig):
 # 主分析函數
 def run_analysis():
     try:
+        # 檢查模板檔案
+        template_path = "templates/index.html"
+        if not os.path.exists(template_path):
+            logging.error(f"Template file {template_path} not found.")
+            return f"<pre>❌ 模板檔案 {template_path} 不存在</pre>"
+
         # 抓貼文與情緒分析
+        logging.info("Fetching and analyzing tweets...")
         all_df = pd.concat([fetch_tweets(c) for c in candidates], ignore_index=True)
         all_df['情緒'] = all_df['內容'].apply(lambda x: sentiment(x)['label'])
         all_df['信心度'] = all_df['內容'].apply(lambda x: sentiment(x)['score'])
@@ -170,8 +186,10 @@ def run_analysis():
         """
 
         # HTML template
-        with open("templates/index.html", encoding='utf-8') as f:
+        logging.info(f"Loading template from {template_path}")
+        with open(template_path, encoding='utf-8') as f:
             html_template = f.read()
+        logging.info("Formatting HTML template...")
         html_content = html_template.format(
             report_date=datetime.now().strftime('%Y-%m-%d %H:%M'),
             img_b64_today=img_b64_today,
@@ -185,11 +203,14 @@ def run_analysis():
             news_summary=news_summary,
             news_table=news_table
         )
+        logging.info("HTML content generated successfully.")
         return html_content
     except Exception as e:
+        logging.error(f"Analysis failed: {str(e)}")
         return f"<pre>❌ 輿情分析執行失敗:\n{traceback.format_exc()}</pre>"
 
 # Gradio 前端
 if __name__ == "__main__":
+    logging.info("Starting Gradio interface...")
     iface = gr.Interface(fn=run_analysis, inputs=[], outputs=gr.HTML(), title="高雄市長選戰輿情分析")
     iface.launch(server_name="0.0.0.0", server_port=7860)