\db_path style

files_utils/files_save.py

@@ -1,12 +1,9 @@
 import os
 
 
-def ExtractVolumeLetter(path: str) -> str:
-    """从绝对路径中提取盘符"""
-    drive = os.path.splitdrive(path)[0]
-    if not drive:
-        raise ValueError(f"无法从路径中提取盘符：{path}")
-    return drive[0].upper()  # 返回 'Y'
+def GetVolumeLetter() -> str:
+    from ntfs_utils.main import volume_letter
+    return volume_letter
 
 
 def CopySingleFragmentFiles(source_data_dict, target_path):
@@ -29,7 +26,7 @@ def CopySingleFragmentFiles(source_data_dict, target_path):
         print("错误：缺少必要的文件信息")
         return
 
-    source_disk_path = ExtractVolumeLetter(absolute_path)
+    source_disk_path = GetVolumeLetter()
     target_file_path = os.path.join(target_path, file_name)
 
     try:
@@ -105,7 +102,7 @@ def CopyMultiFragmentFiles(
     start_byte = item['start_byte']
     length_byte = item['length']
 
-    volume_letter = ExtractVolumeLetter(item['absolute_path'])
+    volume_letter = GetVolumeLetter()
 
     # 读取分片内容
     fragment_content = ReadDiskBytes(volume_letter, start_byte, length_byte)