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如何修复 yum 错误：没有名为 CElementTree 的模块？

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如何修复 yum 错误：没有名为 CElementTree 的模块？

我在使用 yum 时遇到以下问题：

$ 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 cElementTree

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:
2.4.3 (#1, Feb 22 2012, 16:06:13) 
[GCC 4.1.2 20080704 (Red Hat 4.1.2-52)]

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

我的操作系统：CentOS 版本 5.8（最终版）

尝试从 RPM 包手动安装 python-elementtree 时出现以下错误：

$ sudo rpm -i http://mirror.centos.org/centos-5/5/os/i386/CentOS/python-elementtree-1.2.6-5.i386.rpm
package python-elementtree-1.2.6-7.el4.rf.i386 (which is newer than python-elementtree-1.2.6-5.i386) is already installed
$ sudo rpm -i http://mirror.centos.org/centos-5/5/os/i386/CentOS/python-elementtree-1.2.6-5.i386.rpm

相关链接：

答案1

嗯，python-elementtree 还安装吗？cEleementTree 模块应该位于/usr/lib64/python2.4/site-packages/cElementTree.so（32 位系统上的 /usr/lib/...）。该文件还存在吗？

如果缺少该软件包，您可以使用 rpm 重新安装：

x86_64:

rpm -i http://mirror.centos.org/centos-5/5/os/x86_64/CentOS/python-elementtree-1.2.6-5.x86_64.rpm

i386：

rpm -i http://mirror.centos.org/centos-5/5/os/i386/CentOS/python-elementtree-1.2.6-5.i386.rpm

答案2

解决方案

尝试python-elementtree手动下载并安装：

x86_64

wget http://mirrors.usc.edu/pub/linux/distributions/centos/5.8/os/x86_64/CentOS/python-elementtree-1.2.6-5.x86_64.rpm
sudo rpm -Uvh python-elementtree-*.rpm

i386

wget http://mirrors.usc.edu/pub/linux/distributions/centos/5.8/os/i386/CentOS/python-elementtree-1.2.6-5.i386.rpm
sudo rpm -Uvh python-elementtree-*.rpm

故障排除

错误：“软件包 python-elementtree-1.2.6-7.el4.rf.i386（比 python-elementtree-1.2.6-5.i386 更新）已安装”或类似信息

尝试替换该包，即使它是通过以下方式安装的：

sudo rpm -iv --replacepkgs python-elementtree-*.rpm

或者：

sudo rpm -iv --replacefiles python-elementtree-*.rpm

或者最后：

sudo rpm -iv --force python-elementtree-*.rpm

看：--replacepkgs：即使已安装也安装该软件包

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