Installation and uninstallation of pyenv

step0

It is recommended to use root User action , Prevent unexplained problems . Summarize the various tutorials you have seen before .

step1

Use the following command to clone GitHub Code warehouse to ~/.pyenv Under the table of contents

 git clone https://github.com/pyenv/pyenv.git ~/.pyenv

Use vim ~/.bashrc The command adds the following statement to it ：

export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init -)"

Reuse source ~/.bashrc Command refresh , It's done. pyenv Installed. .

step2

Use the following command to install Python edition ：

pyenv install  Version number 

If the speed is slow, you can check the article here : solve pyenv install The problem of slow download speed _WuJian_Home The blog of -CSDN Blog

step3

After installation , You can install the virtual environment plug-in , Use the following command to install ：

git clone https://github.com/pyenv/pyenv-virtualenv.git $(pyenv root)/plugins/pyenv-virtualenv

Reuse vim ~/.bashrc The command adds the following statement to it ：

eval "$(pyenv virtualenv-init -)"

Reuse source ~/.bashrc Command refresh , The installation is complete .

step4

Use the following statement to create a virtual environment

pyenv virtualenv  Version number   Environment name 

Be careful ： Version number needs to be earlier than pyenv Installed in Python Same version number .

step5

Activate the virtual environment with the following command ：

pyenv activate  Environment name 

Use pyenv deactivate Out of the environment .

Use rm -rf ~/.pyenv/versions/ Environment name Delete environment .

step6

uninstall pyenv when , Just delete ~/.pyenv Catalog 、 Delete ~/.bashrc The part added above in the document is sufficient .