使用“pip install virtualenv”时出现“无法找到‘pip._vendor.distlib’的查找器”错误

Question

我正在尝试在 Windows 10 下使用 Python 3.6 版本安装 virtualenv。当我运行“pip install virtualenv”时出现此错误。我是 Python 的新手。

 Collecting virtualenv
  Downloading virtualenv-15.0.3-py2.py3-none-any.whl (3.5MB)
    100% |████████████████████████████████| 3.5MB 256kB/s
Installing collected packages: virtualenv
Exception:
Traceback (most recent call last):
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\commands\install.py", line 317, in run
    prefix=options.prefix_path,
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_set.py", line 742, in install
    **kwargs
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 831, in install
    self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 1032, in move_wheel_files
    isolated=self.isolated,
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\wheel.py", line 493, in move_wheel_files
    maker.make_multiple(['%s = %s' % kv for kv in console.items()])
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip_vendor\distlib\scripts.py", line 383, in make_multiple
    filenames.extend(self.make(specification, options))
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip_vendor\distlib\scripts.py", line 372, in make
    self._make_script(entry, filenames, options=options)
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip_vendor\distlib\scripts.py", line 276, in _make_script
    self._write_script(scriptnames, shebang, script, filenames, ext)
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip_vendor\distlib\scripts.py", line 212, in _write_script
    launcher = self._get_launcher('t')
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip_vendor\distlib\scripts.py", line 351, in _get_launcher
    result = finder(distlib_package).find(name).bytes
  File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip_vendor\distlib\resources.py", line 324, in finder
    raise DistlibException('Unable to locate finder for %r' % package)
pip._vendor.distlib.DistlibException: Unable to locate finder for 'pip._vendor.distlib'

原文由 Corey Shaw 发布，翻译遵循 CC BY-SA 4.0 许可协议

Answer 1

1. 卸载当前 pip：

    python -m pip uninstall pip setuptools

1. 从 https://bootstrap.pypa.io/get-pip.py 下载 get-pip.py

2. 执行get-pip脚本：

    python get-pip.py

原文由 Skyguard 发布，翻译遵循 CC BY-SA 3.0 许可协议