Update app.py

app.py

@@ -7,12 +7,22 @@ import plotly.io as pio
 from PIL import Image, ImageDraw
 from io import BytesIO
 import numpy as np
+import os
+import shutil
 
 try:
     import kaleido
 except ImportError:
     st.error("請安裝 'kaleido' 套件以啟用圖像導出功能：\n\n    $ pip install kaleido")
 
+# 自動下載 orca
+if not os.path.exists("/usr/local/bin/orca"):
+  if not os.path.exists("orca.tar.gz"):
+      os.system("wget https://github.com/plotly/orca/releases/download/v1.3.1/orca-1.3.1-x86_64.tar.gz")
+  os.system("tar xzf orca.tar.gz")
+  shutil.move("orca-1.3.1-x86_64/orca","/usr/local/bin/orca")
+  os.chmod("/usr/local/bin/orca", 0o755)
+
 def load_data(uploaded_file):
     """載入並處理CSV檔案"""
     try:
@@ -82,7 +92,6 @@ def save_all_radar_charts(df, selected_columns, comparison_rows):
     output_dir = "radar_charts"
     os.makedirs(output_dir, exist_ok=True)
 
-
     for student in df['姓名']:
         if student in comparison_rows:
             continue
@@ -94,12 +103,12 @@ def save_all_radar_charts(df, selected_columns, comparison_rows):
         composite = Image.alpha_composite(background, img)
         draw = ImageDraw.Draw(composite)
         
-        #手動繪製圖表標籤文字
+        # 手動繪製圖表標籤文字
         for trace in fig.data:
             if isinstance(trace, go.Scatterpolar):
                 for i, theta in enumerate(trace.theta):
                     x, y = fig.layout.polar.radialaxis.range[1] * (0.5 - 0.5*trace.r[i] / fig.layout.polar.radialaxis.range[1]) * np.cos(np.radians(90-theta)), fig.layout.polar.radialaxis.range[1] * (0.5 - 0.5*trace.r[i] / fig.layout.polar.radialaxis.range[1]) * np.sin(np.radians(90-theta))
-                    draw.text((img.width / 2 + x, img.height / 2 + y - 25), str(trace.name), fill=(0, 0, 0))  # 直接使用PIL預設字型
+                    draw.text((img.width / 2 + x, img.height / 2 + y - 25), str(trace.name), fill=(0, 0, 0))
         file_path = os.path.join(output_dir, f"{student}_comparison.png")
         composite.save(file_path)
 
@@ -145,7 +154,7 @@ def main():
                 else:
                     zip_path = save_all_radar_charts(df, selected_columns, comparison_rows)
                     if zip_path:
-                         with open(zip_path, "rb") as f:
+                        with open(zip_path, "rb") as f:
                             st.download_button(
                                 label="下載壓縮檔",
                                 data=f,
@@ -155,7 +164,7 @@ def main():
                                 on_click=lambda: st.session_state.update({'download_triggered':True}),
                                 disabled=st.session_state.get("download_triggered",False)
                             )
-                         st.session_state.download_triggered = False
+                        st.session_state.download_triggered = False
 
 if __name__ == "__main__":
     if 'download_triggered' not in st.session_state: