我正在尝试安装一些库以在 python 3.4 上使用,但每次运行 pip install ("name of library") 时,它都会返回以下错误:
Collecting pyautogui
Using cached https://files.pythonhosted.org/packages/35/71/a7d328fe19667777fb0c371ca346c89d1b380f7778fa1ba65aca1090478c/PyAutoGUI-0.9.49.tar.gz
Exception:
Traceback (most recent call last):
File "C:\Python34\lib\site-packages\pip\basecommand.py", line 232, in main
status = self.run(options, args)
File "C:\Python34\lib\site-packages\pip\commands\install.py", line 339, in run
requirement_set.prepare_files(finder)
File "C:\Python34\lib\site-packages\pip\req\req_set.py", line 385, in prepare_files
req_to_install.run_egg_info()
File "C:\Python34\lib\site-packages\pip\req\req_install.py", line 310, in run_egg_info
self.setup_py, self.name,
File "C:\Python34\lib\site-packages\pip\req\req_install.py", line 281, in setup_py
import setuptools # noqa
File "C:\Python34\lib\site-packages\setuptools\__init__.py", line 17, in <module>
import setuptools.version
File "C:\Python34\lib\site-packages\setuptools\version.py", line 1, in <module>
import pkg_resources
File "C:\Python34\lib\site-packages\pkg_resources\__init__.py", line 93, in <module>
raise RuntimeError("Python 3.5 or later is required")
RuntimeError: Python 3.5 or later is required
您看到这一点是因为 pip 19.2 放弃了对 Python 3.4 的支持。
好消息:
get-pip.py
脚本已更新以包含特定于 3.4 的选项。您可以使用以下命令请求 pip 19.1,这是支持 Python 3.4 的最后一个 pip 版本:
python get-pip.py pip==19.1
这里最好的选择是(如果可以的话)升级到受支持的 python 版本,请参阅 https://endoflife.date/python 以获取当前支持的 python 版本列表