Neither ‘setup.py‘ nor ‘pyproject.toml‘ found

pip install –target=xxxxxxxx 报错

想用pip 安装包到虚拟环境下,而不是本机默认的Python 文件夹下,那么需要加上 –target= 文件的目录。注意拷贝过来的时候要换斜杠的方向。

没问题的:

我有一次可以这样安装:

pip install –target=D:/University-of-London-2020/CM3035-Advanced-Web-Development/Week_15/topic8_files/env/Lib/site-packages -i https://pypi.tuna.tsinghua.edu.cn/simple swagger-codegen

出问题的:

但是第二次换了一个目录就不能装了:

输入

pip install –target=D:/University-of-London-2020/CM3035-Advanced-Web-Development/test_route_for_midterm/env/Lib/site-packages -i https://pypi.tuna.tsinghua.edu.cn/simple swagger-codegen

它报错:

ERROR: Directory ‘D:/University-of-London-2020/CM3035-Advanced-Web-Development/test_route_for_midterm/env/Lib/site-packages’ is not installable. Neither ‘setup.py’ nor ‘pyproject.toml’ found.

解决:

不用 –target=

用 pip install -t

pip install -t D:/University-of-London-2020/CM3035-Advanced-Web-Development/test_route_for_midterm/env/Lib/site-packages -i https://pypi.tuna.tsinghua.edu.cn/simple swagger-codegen

问题解决。

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