安装构建依赖项...使用 pip 安装 pyInstaller 时出错 [重复]

Question

Python 版本-3.7

我尝试使用 pip 安装 pyInstaller。 我在 cmd 中得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'
  ----------------------------------------
ERROR: Command errored out with exit status 1: '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 Check the logs for full command output.

Answer 1

执行pip uninstall enum34 并再次运行该命令。