pyenv init for wsl ubuntu20

pyenv_init.sh

#!/bin/sh

pyenv_home=$HOME/.pyenv
pyenv_cache=$pyenv_home/cache
pip_folder=$HOME/.pip
pip_file=$pip_folder/pip.conf

if [ ! -d "$pyenv_home" ]; then
    git clone https://github.com/pyenv/pyenv.git "$pyenv_home"
    git clone https://github.com/pyenv/pyenv-virtualenv.git "$pyenv_home"/plugins/pyenv-virtualenv
    cat <<'EOF' >>~/.zshrc

# pyenv config
export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
if command -v pyenv 1>/dev/null 2>&1; then
  eval "$(pyenv init -)"
  eval "$(pyenv virtualenv-init -)"
fi
EOF
fi

if [ ! -d "$pyenv_cache" ]; then
    mkdir "$pyenv_cache"
fi

# wget https://npm.taobao.org/mirrors/python/3.6.12/Python-3.6.12.tar.xz -P "$pyenv_cache"
# wget https://npm.taobao.org/mirrors/python/3.7.9/Python-3.7.9.tar.xz -P "$pyenv_cache"
# wget https://npm.taobao.org/mirrors/python/3.8.6/Python-3.8.6.tar.xz -P "$pyenv_cache"
# wget https://npm.taobao.org/mirrors/python/3.9.0/Python-3.9.0.tar.xz -P "$pyenv_cache"

if [ ! -d "$pip_folder" ]; then
    mkdir "$pip_folder"
fi

cat <<EOF >>"$pip_file"
[global]
timeout = 120
index-url = https://mirrors.aliyun.com/pypi/simple
trusted-host = mirrors.aliyun.com
EOF

echo "add pip to file"
echo "before install please visit\nhttps://github.com/pyenv/pyenv/wiki#suggested-build-environment"