CentOS 7 安装 Py3

1. 下载依赖包

yum install -y python-devel \
mysql-devel \
libxml2 \
libxml2-devel \
libxslt* \
zlib \
zlib-devel \
gcc \
gcc-c++ \
openssl \
openssl-devel \
openldap \
openldap-devel

1. python 下载

wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz

2. 解压包

tar xf Python-3.6.5.tgz

3. 创建目录

mkdir /usr/local/python3

4. 编译安装

cd Python-3.65
./configure --prefix=/usr/local/python3
make && make install

5. 软链接

ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

6. 安装py3所需要的包

pip3 install requests lxml pymysql redis beautifulsoup4

7. 命令行输入python3 看看是否安装成功

[root@rzxc_test ~]# python3
Python 3.6.5 (default, Oct 17 2018, 09:53:56)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>