Python3.8 安装

# 依赖安装

```
apt install build-essential -y

apt install curl g++ gcc git libffi-dev libfreetype6-dev libfribidi-dev libgdbm-dev \
    libharfbuzz-dev libjpeg8-dev liblcms2-dev libldap2-dev libncurses5-dev \
    libnss3-dev libopenjp2-7-dev libperl-dev libreadline-dev libsasl2-dev \
    libsqlite3-dev libssl-dev libtiff5-dev libwebp-dev libxcb1-dev libxml2-dev \
    libxslt1-dev net-tools python3-dev python3-setuptools python3-tk tcl8.6-dev \
    tk8.6-dev vim zlib1g-dev -y
```

### 依赖说明

```
# 安装 lxml 报错
sudo apt-get install libxml2-dev libxslt1-dev

# 安装 pyldap 报错
sudo apt-get install python3-dev libldap2-dev libsasl2-dev libssl-dev

# 安装 psycopy2 报错
pip install psycopg2-binary

# 安装 pillow 报错
sudo apt-get install libtiff5-dev libjpeg8-dev libopenjp2-7-dev zlib1g-dev \
    libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev python3-tk \
    libharfbuzz-dev libfribidi-dev libxcb1-dev
```

# 源码安装

[下载最新版本](https://www.python.org/downloads/)

将源码解压到 `/usr/local/src/`

```
./configure --enable-optimizations  --prefix=/usr/local/python3.8

make

make install

ln -s /usr/local/python3.8/bin/python3.8 /usr/bin/python3.8
ln -s /usr/local/python3.8/bin/pip3.8 /usr/bin/pip3.8
```

# pip 安装与配置

[pip 安装](https://pip.pypa.io/en/stable/installation/)

```
wget https://bootstrap.pypa.io/get-pip.py
python3.8 get-pip.py
```

修改 pip 源

```
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

# 数梦内网配置
pip config set global.index-url http://pypa.k8s.dtdream.vip/pypi
pip config set global.trusted-host pypa.k8s.dtdream.vip
```

# 其他

https://pillow.readthedocs.io/en/latest/installation.html

## 卸载所有Python包

```bash
pip freeze > python_modules.txt
pip uninstall -r python_modules.txt -y
```