安装依赖环境

1. yum install zlib-devel zlibopenssl openssl-devel readline-devel(zlib安装setuptools的时候会用到，没有的会报“RuntimeError: Compression requires the (missing) zlib module”；openssl是pip会用到，没有会报ImportError: cannot import name HTTPSHandle，如果不提前安装会来回重新编译安装python，很浪费时间)

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2. 安装python

   1. wget https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tar.xz

   2. tar -xvf Python-2.7.8.tar.xz

   3. cd Python-2.7.8 &&./configure && make && make install

   4. mv /usr/bin/python /usr/bin/python_old

   5. ln -s /usr/local/bin/python2.7 /usr/bin/python

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   6. 修改yum

      1. vim /usr/bin/yum（把第一行的语言环境改成python_old）

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      2. 安装pip

         1. wget https://pypi.python.org/packages/source/p/pip/pip-7.1.2.tar.gz#md5=3823d2343d9f3aaab21cf9c917710196

         2. tar xf pip-7.1.2.tar.gz &&cd pip-7.1.2 && python setup.py install

         3. pip install --upgrade pip

         4. pip -V

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         5. 安装easy_install

            1. wget https://pypi.python.org/packages/source/s/setuptools/setuptools-18.2.tar.gz#md5=52b4e48939ef311d7204f8fe940764f4

            2. tar fxz setuptools-18.2.tar.gz &&cd setuptools-18.2 &&python setup.py install

            @H_403_36@ @H_403_36@ 原文链接：https://www.f2er.com/centos/381054.html