安装构建依赖项...使用 pip 安装 pyInstaller 时出错

Question

Python版本-3.7

我尝试使用 pip 安装 pyInstaller。我在 cmd 中收到以下输出和错误消息。

错误信息

Collecting pyinstaller

  Using cached pyinstaller-4.0.tar.gz (3.5 MB)

  Installing build dependencies ... error

  ERROR: Command errored out with exit status 1:

   command: 'C:\Users\dell\AppData\Local\Programs\Python\Python37\python.exe' 'C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\dell\AppData\Local\Temp\pip-build-env-d_vuoc7m\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.8.0' wheel

       cwd: None

  Complete output (14 lines):

  Traceback (most recent call last):

    File "C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\runpy.py", line 193, in _run_module_as_main

      "__main__", mod_spec)

    File "C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\runpy.py", line 85, in _run_code

      exec(code, run_globals)

    File "C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\site-packages\pip\__main__.py", line 23, in <module>

      from pip._internal.cli.main import main as _main  # isort:skip # noqa

    File "C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\site-packages\pip\_internal\cli\main.py", line 5, in <module>

      import locale

    File "C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\locale.py", line 16, in <module>

      import re

    File "C:\Users\dell\AppData\Local\Programs\Python\Python37\lib\re.py", line 143, in <module>

      class RegexFlag(enum.IntFlag):

  AttributeError: module 'enum' has no attribute 'IntFlag'

  ----------------------------------------

Answer 1

再次执行pip uninstall enum34并运行该命令。