Update app.py

app.py

@@ -3,12 +3,27 @@ import gradio as gr
 import subprocess
 import json
 import os
+import stat
 import zipfile
 from PIL import ImageFont
 import matplotlib.font_manager
 
 # Path to the compiled engine executable
-ENGINE_EXECUTABLE = "./engine"  # File thực thi trên Linux
+ENGINE_EXECUTABLE = "./engine"
+
+def ensure_executable(file_path):
+    """
+    Đảm bảo rằng file có quyền thực thi.
+    Nếu không, cấp quyền thực thi.
+    """
+    if not os.access(file_path, os.X_OK):  # Kiểm tra quyền thực thi
+        try:
+            # Cấp quyền thực thi
+            current_permissions = os.stat(file_path).st_mode
+            os.chmod(file_path, current_permissions | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
+            print(f"Granted execute permission to {file_path}")
+        except Exception as e:
+            raise PermissionError(f"Failed to grant execute permission to {file_path}: {e}")
 
 def extract_and_load_fonts_from_directory(directory="fontfile", extract_to="extracted_fonts"):
     if not os.path.exists(extract_to):
@@ -54,6 +69,9 @@ def get_available_fonts():
     return sorted(all_fonts)
 
 def call_engine(input_text, font_size, width, height, bg_color, text_color, mode, font_name, align, line_spacing, image_format):
+    # Ensure the engine file is executable
+    ensure_executable(ENGINE_EXECUTABLE)
+
     # Prepare input data as a dictionary
     input_data = {
         "input_text": input_text,