perf(download.py): 优化文件下载功能

source/application/download.py

@@ -6,6 +6,7 @@ from typing import TYPE_CHECKING, Any
 from aiofiles import open
 from httpx import HTTPError
 
+from ..expansion import CacheError
 from ..module import ERROR
 from ..module import (
     FILE_SIGNATURES_LENGTH,
@@ -196,6 +197,10 @@ class Download:
             try:
                 async with self.client.stream("GET", url, headers=headers, ) as response:
                     await sleep_time()
+                    if response.status_code == 416:
+                        raise CacheError(
+                            self.message("文件 {0} 缓存异常，重新下载").format(temp.name),
+                        )
                     response.raise_for_status()
                     # self.__create_progress(
                     #     bar,
@@ -220,7 +225,6 @@ class Download:
                 logging(log, self.message("文件 {0} 下载成功").format(real.name))
                 return True
             except HTTPError as error:
-                # self.manager.delete(temp)
                 # self.__create_progress(bar, None)
                 logging(
                     log,
@@ -234,6 +238,13 @@ class Download:
                 #     WARNING,
                 # )
                 return False
+            except CacheError as error:
+                self.manager.delete(temp)
+                logging(
+                    log,
+                    str(error),
+                    ERROR,
+                )
 
     @staticmethod
     def __create_progress(bar, total: int | None, completed=0, ):

source/expansion/__init__.py

@@ -1,9 +1,10 @@
 from .browser import BrowserCookie
+from .cleaner import Cleaner
 from .converter import Converter
+from .error import CacheError
+from .file_folder import file_switch
+from .file_folder import remove_empty_directories
 from .namespace import Namespace
 from .truncate import beautify_string
 from .truncate import trim_string
 from .truncate import truncate_string
-from .file_folder import file_switch
-from .file_folder import remove_empty_directories
-from .cleaner import Cleaner

source/expansion/error.py

@@ -0,0 +1,7 @@
+class CacheError(Exception):
+    def __init__(self, message: str):
+        super().__init__(message)
+        self.message = message
+
+    def __str__(self):
+        return self.message