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Centos5.x下升级python到python2.7版本教程

WBOY
WBOYOriginal
2016-06-10 15:17:551214browse

首先到官网下载python2.7.3版本,编译安装

复制代码 代码如下:

$wget http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz
$tar zxvf Python-2.7.3.tgz
$cd Python-2.7.3
$./configure
$make && make install

然后备份原来的python,并把python2.7做软连接到新的位置
复制代码 代码如下:

$mv /usr/bin/python /usr/bin/python.bak
$ln -s /usr/local/bin/python2.7 /usr/bin/python
$python -V

版本提示为2.7.3
更改yum,使其能正常运行
复制代码 代码如下:

$vim vim /usr/bin/yum

把#/usr/bin/python改成#/usr/bin/python2.4 这样yum可以正常运行了

安装easy_install

复制代码 代码如下:

$yum install python-setuptools

然后安装python-setuptools 到pypi网站下载python-setuptools,版本要和yum的时候版本一致,不然运行的时候会出现:
复制代码 代码如下:

$ easy_install rsa
Traceback (most recent call last):
  File "/usr/bin/easy_install", line 5, in
    from pkg_resources import load_entry_point
ImportError: No module named pkg_resources

然后:
复制代码 代码如下:

$wget http://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c5.tar.gz
$tar zxvf setuptools-0.6c5.tar.gz
$cd setuptools-0.6c5
$python setup.py install

安装成功 这样就可以方便的使用easy_install来安装python的库了
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