yum中的python版本错误（转载）yuerxin的博客

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我是靠谱客的博主羞涩蛋挞，最近开发中收集的这篇文章主要介绍yum中的python版本错误（转载）yuerxin的博客，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

为了安装rrdtool，发现不是少这个就是少那个，最后发现yum也不能用。

从网上找的解决yum问题。

转自:

yuerxin的博客

http://blog.sina.com.cn/sweetyuexin

转自：http://doarthon.blog.51cto.com/3175384/728809

1、报错信息如下：

[root@develop local]# yum -y install prce
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

No module named yum

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.6.1 (r261:67515, Aug 7 2010, 11:36:17)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-44)]

If you cannot solve this problem yourself, please go to
the yum faq at:
http://wiki.linux.duke.edu/YumFaq

错误原因：错误信息描述为 yum 所依赖的python 不相符，请安装相对应的python即可

2、执行yum查看信息

[root@develop bin]# yum
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

No module named yum

Please install a package which provides this module, or
verify that the module is installed correctly.

It's possible that the above module doesn't match the
current version of Python, which is:
2.6.1 (r261:67515, Aug 7 2010, 11:36:17)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-44)]

If you cannot solve this problem yourself, please go to
the yum faq at:
http://wiki.linux.duke.edu/YumFaq

提示当前版本是2.6.1可能版本不匹配。没有yum依赖的包。

3、查看yum版本

[root@develop local]# rpm -qa |grep yum
yum-3.2.8-9.el5.centos.1
yum-metadata-parser-1.1.2-2.el5

4、查看python版本

[root@develop local]# whereis python
python: /usr/bin/python2.4 /usr/bin/python /usr/lib/python2.4 /usr/local/bin/python2.6 /usr/local/bin/python2.6-config /usr/local/bin/python /usr/local/lib/python2.6 /usr/share/man/man1/python.1.gz

果然装了两个版本python

5、执行python，查看到使用2.6.1的版本

[root@develop local]# python
Python 2.6.1 (r261:67515, Aug 7 2010, 11:36:17)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-44)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>

6、猜测yum调用了高版本的python。

7、解决方法：

查找yum文件,并编辑此py文件
[root@develop local]# which yum
/usr/bin/yum
[root@develop local]# vi /usr/bin/yum

将
#!/usr/bin/python
改为:
#!/usr/bin/python2.4

然后保存OK.

补充：yum基于python写的。