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  • python3 与 pip3 安装与使用

     

    正文开始:

    1. yum -y install openssl*  

    (pip依赖ssl环境)

    2.编译安装python3

    下载地址:https://www.python.org/ftp/python/

    1 tar zxvf Python-3.5.2.tgz
    2 cd Python-3.5.2
    3 ./configure
    4 make && make install 
    安装步骤
    3.安装完成后默认就有pip3了.
     
    4.安装完成可以装个模块试试
    1 [root@localhost Python-3.5.2]# pip3 install pymysql
    2 Collecting pymysql
    3   Downloading PyMySQL-0.7.9-py3-none-any.whl (78kB)
    4     100% |████████████████████████████████| 81kB 6.3kB/s 
    5 Installing collected packages: pymysql
    6 Successfully installed pymysql-0.7.9
    7 You are using pip version 8.1.1, however version 9.0.1 is available.
    8 You should consider upgrading via the 'pip install --upgrade pip' command.

     上面提示有新版本了  可以升级.

    使用它提示的命令就可以升级pip3了..

    但是注意要把pip命令替换成pip3

     1 [root@localhost Python-3.5.2]# pip3 install --upgrade pip
     2 Collecting pip
     3   Downloading pip-9.0.1-py2.py3-none-any.whl (1.3MB)
     4     100% |████████████████████████████████| 1.3MB 3.2kB/s 
     5 Installing collected packages: pip
     6   Found existing installation: pip 8.1.1
     7     Uninstalling pip-8.1.1:
     8       Successfully uninstalled pip-8.1.1
     9 Successfully installed pip-9.0.1
    10 [root@localhost Python-3.5.2]# pip3 --version
    11 pip 9.0.1 from /usr/local/lib/python3.5/site-packages (python 3.5)

    升级完成

    PS:

    如果使用pip3安装插件的时候提示:

    pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. 

    是因为系统缺少openssl-devel包

    yum install openssl-devel -y  安装一下即可.

    再按照上面的方法重新 编译一下即可.

    如果觉得还不错..打开支付宝领个红包吧~~

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  • 原文地址:https://www.cnblogs.com/wayde-Z/p/6086083.html
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