安装wget

yum -y install wget

安装pip

 wget https://bootstrap.pypa.io/get-pip.py
 python get-pip.py

安装python3.7版本

安装依赖

yum -y group install "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel

下载安装包并解压

wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz
tar -xvJf Python-3.7.0.tar.xz
cd Python-3.7.0

3.7版本需要额外安装

 yum install libffi-devel -y

• 不进行此步 make时会失败!

  创建文件夹

  mkdir /usr/local/python3

  编译

  ```bash

./configure —prefix=/usr/local/python3 make && make install

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## 建立软连接
```bash
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

• 不要覆盖 python 因为yum基于 python2

  安装opnecv

  必须安装的库

  yum install libXext libSM libXrender

• 不装这个会报 libsm.so 找不到的错误!

  安装命令

  pip3 install --upgrade setuptools
  pip3 install numpy Matplotlib
  pip3 install opencv-python

  :::info 成功! :::