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[Python] TIL:用 Conda 创建 Python 虚拟环境

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个人觉得比 venv 命令要易懂和上手。由于我用 Mac ,因此以下记录仅针对 Mac 。

macOS 下的安装

mkdir -p ~/miniconda3 curl https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-arm64.sh -o ~/miniconda3/miniconda.sh bash ~/miniconda3/miniconda.sh -b -u -p ~/miniconda3 rm -rf ~/miniconda3/miniconda.sh

安装之后要运行如下命令, 适配 Shell

~/miniconda3/bin/conda init bash ~/miniconda3/bin/conda init zsh

conda 常用的命令

查看安装了哪些包

conda list

查看当前存在哪些虚拟环境

conda env list conda info -e

检查更新当前 conda

conda update conda

Python 创建虚拟环境

conda create -n your_env_name python=x.x

anaconda 命令创建 python 版本为 x.x ,名字为 your_env_name 的虚拟环境。your_env_name 文件可以在 Anaconda 安装目录 envs 文件下找到。

激活或者切换虚拟环境

打开命令行,输入 python –version 检查当前 python 版本。

Linux: source activate your_env_nam Windows: activate your_env_name

对虚拟环境中安装额外的包

conda install -n your_env_name [package]

关闭虚拟环境(即从当前环境退出返回使用 PATH 环境中的默认 python 版本)

conda deactivate

或者`activate root`切回 root 环境

Linux 下:source deactivate

删除虚拟环境

conda remove -n your_env_name –all

删除环境钟的某个包

conda remove –name $your_env_name $package_name

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