brew安装anaconda3

brew cask install anaconda3

安装之后打开路径查看：/usr/local/anaconda3/bin

anaconda3环境变量设置

vim ~/.zshrc

export PATH=/usr/local/anaconda3/bin:$PATH

source ~/.zshrc

验证

conda --version

# 看到版本好就成功了

安装双版本

conda create --name python2 python=2.7

conda create --name python3 python=3.7

查看目录 /usr/local/anaconda3/envs/

命令后切换python环境

# 查看本地的py环境

➜  ~ conda info -e

# conda environments:

#

base                  *  /usr/local/anaconda3

python2                  /usr/local/anaconda3/envs/python2

python27                 /usr/local/anaconda3/envs/python27

python3                  /usr/local/anaconda3/envs/python3

# 进入py版本

➜  ~ source activate python27

(python27) ➜  ~

# 退出py版本

conda deactivate

pip

进入py版本之后，有时候不知道pip把安装包安装到哪里了，用这个方法很好使：

(python27) ➜  ~ python

Python 2.7.18 |Anaconda, Inc.| (default, Apr 23 2020, 17:44:47)

[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] on darwin

Type "help", "copyright", "credits" or "license" for more information.

>>> import requests

>>> requests

<module 'requests' from '/usr/local/anaconda3/envs/python27/lib/python2.7/site-packages/requests/__init__.pyc'>

/usr/local/anaconda3/envs/python27/lib/python2.7/site-packages/requests/ 就是了。

ide vscode set

参考

https://www.cnblogs.com/zhoulin1234/p/9893055.html

https://blog.csdn.net/ninnyyan/article/details/80485507

巴特西

macOS命令行切换Python版本

brew安装anaconda3

anaconda3环境变量设置

安装双版本

命令后切换python环境

pip

ide vscode set

参考

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