前一段时间准备安装最新版本Python(Python3.6)。结果安装时各类错误,如今从新安装。 下载源代码压缩包。python
[root@localhost ~]# wget https://www.python.org/ftp/python/3.5.3/Python-3.5.3.tar.xz
安装python3依赖软件。linux
[root@localhost ~]# yum -y groupinstall development [root@localhost ~]# yum -y install zlib-devel
解压源代码文件并安装。bash
[root@localhost ~]# tar -xvf Python-3.5.3.tar.xz #配置 [root@localhost Python-3.5.3]# ./configure #扩展配置 [root@localhost Python-3.5.3]# ./configure --enable-optimizations #请自行查看两种配置方式不一样点 #编译和安装 [root@localhost Python-3.5.3]make [root@localhost Python-3.5.3]make install #安装失败请执行该命令 [root@localhost Python-3.5.3]# make distclean
编译与安装过程根据机器配置,可能须要几分钟到几十分钟不等,请耐心等待安装完成。架构
也能够合并执行安装命令(编译完成后直接安装)。python2.7
[root@localhost Python-3.5.3]make & make altinstall
将安装目录添加到系统环境变量。假设默认安装路径是/usr/local/bin。编辑器
export PATH="/usr/local/bin:$PATH"
查看Python安装路径。this
[root@localhost ~]# which python /usr/bin/python [root@localhost ~]# whereis python python: /usr/bin/python /usr/bin/python2.7 /usr/bin/python2.7-config /usr/lib/python2.7 /usr/lib64/python2.7 /etc/python /usr/local/bin/python3.5m /usr/local/bin/python3.5 /usr/local/bin/python3.5m-config /usr/local/bin/python3.5-config /usr/local/lib/python3.5 /usr/include/python2.7 /usr/share/man/man1/python.1.gz [root@localhost ~]#
CentOS 7预装Python2,使用Python3请先执行命令。推荐同时建立pip3连接。插件
ln -s /usr/local/bin/python3.5 /bin/python3
完成后便可正常使用python和python3命令。code
[root@localhost ~]# python Python 2.7.5 (default, Nov 6 2016, 00:28:07) [GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> exit() #Python3 [root@localhost ~]# python3 Python 3.5.3 (default, Mar 22 2017, 10:23:49) [GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux Type "help", "copyright", "credits" or "license" for more information. >>>
下面介绍安装Python默认IDE(Python IDLE)。orm
如下是本机安装过程。
[root@localhost ~]# yum install python-tools.x86_64 已加载插件:fastestmirror, langpacks base | 3.6 kB 00:00:00 extras | 3.4 kB 00:00:00 updates | 3.4 kB 00:00:00 Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com 正在解决依赖关系 --> 正在检查事务 ---> 软件包 python-tools.x86_64.0.2.7.5-48.el7 将被 安装 --> 正在处理依赖关系 tkinter = 2.7.5-48.el7,它被软件包 python-tools-2.7.5-48.el7.x86_64 须要 --> 正在检查事务 ---> 软件包 tkinter.x86_64.0.2.7.5-48.el7 将被 安装 --> 正在处理依赖关系 libtk8.5.so()(64bit),它被软件包 tkinter-2.7.5-48.el7.x86_64 须要 --> 正在处理依赖关系 libtcl8.5.so()(64bit),它被软件包 tkinter-2.7.5-48.el7.x86_64 须要 --> 正在处理依赖关系 libTix.so()(64bit),它被软件包 tkinter-2.7.5-48.el7.x86_64 须要 --> 正在检查事务 ---> 软件包 tcl.x86_64.1.8.5.13-8.el7 将被 安装 ---> 软件包 tix.x86_64.1.8.4.3-12.el7 将被 安装 ---> 软件包 tk.x86_64.1.8.5.13-6.el7 将被 安装 --> 解决依赖关系完成 依赖关系解决 =============================================================================================================== Package 架构 版本 源 大小 =============================================================================================================== 正在安装: python-tools x86_64 2.7.5-48.el7 base 852 k 为依赖而安装: tcl x86_64 1:8.5.13-8.el7 base 1.9 M tix x86_64 1:8.4.3-12.el7 base 254 k tk x86_64 1:8.5.13-6.el7 base 1.4 M tkinter x86_64 2.7.5-48.el7 base 322 k 事务概要 =============================================================================================================== 安装 1 软件包 (+4 依赖软件包) 总下载量:4.7 M 安装大小:13 M Is this ok [y/d/N]: y Downloading packages: (1/5): tkinter-2.7.5-48.el7.x86_64.rpm | 322 kB 00:00:00 (3/5): tcl-8.5.13-8.el7.x86_64.rpm 18% [=====- ] 0.0 B/s | 887 kB --:--:-- ETA (2/5): python-tools-2.7.5-48.el7.x86_64.rpm | 852 kB 00:00:00 (3/5): tcl-8.5.13-8.el7.x86_64.rpm | 1.9 MB 00:00:00 (4/5): tix-8.4.3-12.el7.x86_64.rpm | 254 kB 00:00:00 (5/5): tk-8.5.13-6.el7.x86_64.rpm 86% [==========================- ] 3.1 MB/s | 4.1 MB 00:00:00 ETA (5/5): tk-8.5.13-6.el7.x86_64.rpm 98% [==============================-] 2.9 MB/s | 4.6 MB 00:00:00 ETA (5/5): tk-8.5.13-6.el7.x86_64.rpm | 1.4 MB 00:00:01 --------------------------------------------------------------------------------------------------------------- 总计 2.8 MB/s | 4.7 MB 00:00:01 Running transaction check Running transaction test Transaction test succeeded Running transaction 正在安装 : 1:tcl-8.5.13-8.el7.x86_64 1/5 正在安装 : 1:tk-8.5.13-6.el7.x86_64 2/5 正在安装 : 1:tix-8.4.3-12.el7.x86_64 3/5 正在安装 : tkinter-2.7.5-48.el7.x86_64 4/5 正在安装 : python-tools-2.7.5-48.el7.x86_64 5/5 验证中 : 1:tix-8.4.3-12.el7.x86_64 1/5 验证中 : python-tools-2.7.5-48.el7.x86_64 2/5 验证中 : 1:tcl-8.5.13-8.el7.x86_64 3/5 验证中 : tkinter-2.7.5-48.el7.x86_64 4/5 验证中 : 1:tk-8.5.13-6.el7.x86_64 5/5 已安装: python-tools.x86_64 0:2.7.5-48.el7 做为依赖被安装: tcl.x86_64 1:8.5.13-8.el7 tix.x86_64 1:8.4.3-12.el7 tk.x86_64 1:8.5.13-6.el7 tkinter.x86_64 0:2.7.5-48.el7 完毕! [root@localhost ~]#
打开IDLE。
[root@localhost ~]idle
这里我推荐编辑器有Anaconda和Spyder。
先说Anaconda安装过程。
#对应Python3.6 [root@localhost Python-3.5.3]https://repo.continuum.io/archive/Anaconda3-4.3.1-Linux-x86_64.sh [root@localhost Python-3.5.3]https://repo.continuum.io/archive/Anaconda3-4.3.1-Linux-x86.sh #安装 [root@localhost Python-3.5.3]bash Anaconda3-4.3.1-Linux-x86_64.sh