CentOS yum No module named urlgrabber报错解决方案

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我的环境版本信息如下：

CentOS release 6.10 (Final)

执行任何yum命令都出现错误：yum No module named urlgrabber，详细错误信息如下；

There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   No module named urlgrabber

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:
2.7.5 (default, Feb 11 2014, 07:46:25) 
[GCC 4.8.2 20140120 (Red Hat 4.8.2-13)]

If you cannot solve this problem yourself, please go to 
the yum faq at:
  http://yum.baseurl.org/wiki/Faq

 原因大概是在安装了多个版本的python后造成的

解决办法：重新安装urlgrabber的rpm包即可

操作步骤：

1：卸载现有的urlgrabber包(如果存在)

# 查看是否已安装urlgrabber，笔者的是python-urlgrabber-3.9.1-11.el6.noarch这个版本
rpm -qa | grep urlgrabber 

# 卸载python-urlgrabber-3.9.1-11.el6.noarch
rpm -e --nodeps python-urlgrabber-3.9.1-11.el6.noarch

 2：在官网下载对应版本的urlgrabber包

curl -O http://mirror.centos.org/centos/6/os/x86_64/Packages/python-urlgrabber-3.9.1-11.el6.noarch.rpm

3：重新安装下载好的urlgrabber

rpm -ivh python-urlgrabber-3.9.1-11.el6.noarch.rpm

4：如果安装urlgrabber出现如下错误（没有则忽略）

error: Failed dependencies:
	python-pycurl is needed by python-urlgrabber-3.9.1-11.el6.noarch


# 需要安装python-pycurl.rpm包，从这里下载

wget http://mirror.centos.org/centos/6/os/x86_64/Packages/python-pycurl-7.19.0-9.el6.x86_64.rpm

# 安装python-pycurl包

rpm -ivh python-pycurl-7.19.0-9.el6.x86_64.rpm

最后，重新使用yum即可