centos7安装python3.50

 1 #安装python3 去到某个特定的目录
 2 #安装相关插件
 3 yum install wget  gcc openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel
 4 
 5 wget --no-check-certificate https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tgz
 6 tar -zxvf Python-3.5.0.tgz
 7 cd Python-3.5.0
 8 ./configure --prefix=/usr/local/python3.5 --enable-shared
 9 make & make install
10 ln -s /usr/local/python3.5/bin/python3 /usr/bin/python3
11 
12 #以上操作必须保证 有以下效果
13 ll /usr/local/python3.5/bin/python3
14 lrwxrwxrwx. 1 root root 9 6月  16 14:28 /usr/local/python3.5/bin/python3 -> python3.5
15 
16 #修改 python 默认解析器
17 alias python=/usr/local/python3.5/bin/python3.5
18 python --version
19 #可能遇到这样的错，如果没有就进行下一步
20 #  /usr/local/python3.5/bin/python3.5: error while loading shared libraries: libpython3.5m.so.1.0: cannot open shared object file: No such file or directory
21 #解决方法
22 #注意 find / -name libpython3.5m.so.1.0
23 cd /home/temp/Python-3.5.0
24 cp libpython3.5m.so.1.0 /usr/local/lib64/
25 cp libpython3.5m.so.1.0 /usr/lib/
26 cp libpython3.5m.so.1.0 /usr/lib64/
27 
28 #安装setuptools
29 wget --no-check-certificate  https://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26
30 tar -zxvf setuptools-19.6.tar.gz
31 cd setuptools-19.6
32 python setup.py build
33 python setup.py install
34 
35 #安装pip
36 wget --no-check-certificate  https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb
37 tar -zxvf pip-8.0.2.tar.gz
38 cd pip-8.0.2
39 python setup.py build
40 python setup.py install
41 #查看
42 ll /usr/local/python3.5/bin/pip3
43 ln -s /usr/local/python3.5/bin/pip3 /usr/bin/pip3
44 ln -s /usr/local/python3.5/bin/pip3 /usr/bin/pip
45 pip install --upgrade pip
46 pip -V
47 pip3 install rsa