linux - 为什么错误 urllib.error.ContentTooShortError :

Question

检索我用 kivy 编写的程序时出现此错误。
我必须使用 vpn

 Downloading https://dl.google.com/android/repository/android-ndk-r19c-linux-x86_64.zip
Traceback (most recent call last):
  File "/home/mm/kivyenv/bin/buildozer", line 8, in <module>
    sys.exit(main())
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/scripts/client.py", line 13, in main
    Buildozer().run_command(sys.argv[1:])
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/__init__.py", line 1047, in run_command
    self.target.run_commands(args)
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/target.py", line 92, in run_commands
    func(args)
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/target.py", line 102, in cmd_debug
    self.buildozer.prepare_for_build()
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/__init__.py", line 169, in prepare_for_build
    self.target.install_platform()
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/targets/android.py", line 665, in install_platform
    self._install_android_ndk()
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/targets/android.py", line 455, in _install_android_ndk
    self.buildozer.download(url,
  File "/home/mm/kivyenv/lib/python3.8/site-packages/buildozer/__init__.py", line 677, in download
    urlretrieve(url, filename, report_hook)
  File "/usr/lib/python3.8/urllib/request.py", line 1866, in retrieve
    raise ContentTooShortError(
urllib.error.ContentTooShortError: <urlopen error retrieval incomplete: got only 261037633 out of 823376982 bytes>

Answer 1

来自 urllib documentation :
异常 urllib.error.ContentTooShortError(msg, content)
当 urlretrieve() 函数检测到下载的数据量小于预期量(由 Content-Length header 给出)时，会引发此异常。 content 属性存储下载的(并且应该被截断的)数据。
实际上，VPN 很可能终止了套接字。您可能需要在程序中实现重试/恢复功能。