fix some broken file types

utils/file_utils.py

@@ -1,10 +1,42 @@
 # file_utils
 import os
 import utils.constants as constants
+import shutil
+from pathlib import Path
 
 def cleanup_temp_files():
     for file_path in constants.temp_files:
         try:
             os.remove(file_path)
         except Exception as e:
-            print(f"Failed to delete temp file {file_path}: {e}")
+            print(f"Failed to delete temp file {file_path}: {e}")
+
+def rename_file_to_lowercase_extension(image_path: str) -> str:
+    """
+    Renames only the file extension to lowercase by copying it to the temporary folder.
+
+    Parameters:
+        image_path (str): The original file path.
+
+    Returns:
+        str: The new file path in the temporary folder with the lowercase extension.
+
+    Raises:
+        Exception: If there is an error copying the file.
+    """
+    path = Path(image_path)
+    new_suffix = path.suffix.lower()
+    new_path = path.with_suffix(new_suffix)
+
+    # Make a copy in the temporary folder with the lowercase extension
+    if path.suffix != new_suffix:
+        try:
+            shutil.copy(path, new_path)
+            constants.temp_files.append(str(new_path))
+            return str(new_path)
+        except FileExistsError:
+            raise Exception(f"Cannot copy {path} to {new_path}: target file already exists.")
+        except Exception as e:
+            raise Exception(f"Error copying file: {e}")
+    else:
+        return str(path)

utils/image_utils.py

@@ -15,6 +15,8 @@ from utils.color_utils import (
     detect_color_format,
     update_color_opacity
 )
+from utils.file_utils import rename_file_to_lowercase_extension
+
 def get_image_from_dict(image_path):
     if isinstance(image_path, dict) :
         if 'image' in image_path:
@@ -44,11 +46,8 @@ def open_image(image_path):
     """
     if isinstance(image_path, Image.Image):
         return image_path
-    else:    
-        path = Path(image_path)
-        new_suffix = path.suffix.lower()
-        new_path = path.with_suffix(new_suffix)
-        image_path = str(new_path)
+    else:        
+        image_path = rename_file_to_lowercase_extension(image_path)
 
     import requests
     try: