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Centos7安装python10

资源编号:570030 热度：141

CentOS 7 安装 Python 3.10

### 1、安装编译所需的依赖

```
yum -y update --nogpgcheck
yum -y install openssl-devel libffi-devel bzip2-devel --nogpgcheck
yum -y groupinstall "Development Tools" --nogpgcheck

yum install -y epel-release
yum-config-manager --enable epel
yum install python-pip
```
### 2. 安装 Python 3.10 必需的 openssl >= 1.1.1

```
wget https://www.openssl.org/source/openssl-1.1.1q.tar.gz --no-check-certificate

tar zxf openssl-1.1.1q.tar.gz

cd openssl-1.1.1q

./config --prefix=/usr/local/openssl-1.1.1

make && make install
```
### 3. 安装 Python 3.10
```
wget https://www.python.org/ftp/python/3.10.5/Python-3.10.5.tgz

tar zxf Python-3.10.5.tgz

cd Python-3.10.5

./configure --enable-optimizations --with-openssl=/usr/local/openssl-1.1.1 --with-openssl-rpath=auto

安装上面这个如何无法make就运行下面这个

./configure  --with-openssl=/usr/local/openssl-1.1.1 --with-openssl-rpath=auto
make && make install
```
### 4、添加软链接
先查看系统python的位置在哪儿
```
whereis python
```
返回
```
python: /usr/bin/python /usr/bin/python2.7 /usr/lib/python2.7 /usr/lib64/python2.7 /etc/python /usr/local/bin/python3.10-config /usr/local/bin/python3.10 /usr/local/lib/python3.10 /usr/include/python2.7
```

python2.7默认安装是在 /usr/bin目录中，切换到/usr/bin/
```
cd /usr/bin/

ll python*
```

正常未链接之前是python->python2.7

添加软链接，将原来的链接备份
```
mv /usr/bin/python /usr/bin/python.bak
```
添加python3的软链接
```
ln -s /usr/local/bin/python3.10 /usr/bin/python
ln -f /usr/local/bin/pip3.10 /usr/bin/pip
```
测试是否安装成功了
```
python -V
pip -V
```

更改yum配置，因为其要用到python2才能执行，否则会导致yum不能正常使用
```
vi /usr/bin/yum
```
把第一行的#! /usr/bin/python 修改为如下
```
#! /usr/bin/python2
vi /usr/libexec/urlgrabber-ext-down
```
修改如下
```
#! /usr/bin/python2
```
# 有时候按照上面还是安装不成功，会出现ssl错误
现在按下面方法按照就成功了：
```
yum -y install gcc make zlib zlib-devel libffi libffi-devel readline-devel openssl-devel openssl11 openssl11-devel

```
安装openssl11，后期的pip3安装网络相关模块需要用到ssl模块。
```
export CFLAGS=$(pkg-config --cflags openssl11)
export LDFLAGS=$(pkg-config --libs openssl11)
```
执行cd Python-3.11进入解压后的Python-3.11目录下，依次执行如下命令：
```
./configure  --with-ssl

make && make install
```