CENTOS6.4安装lxml失败

时间：2021-06-06 21:09:53

环境如下：

  • Centos6.4
  • Python 2.7.6

pip install lxml

执行上面的命令，有类似下面的提示：

src/lxml/lxml.etree.c:188133: error: ‘xsltDocDefaultLoader’ undeclared (first use in this function)

src/lxml/lxml.etree.c:188142: warning: implicit declaration of function ‘xsltSetLoaderFunc’

src/lxml/lxml.etree.c:188142: error: ‘xsltDocLoaderFunc’ undeclared (first use in this function)

src/lxml/lxml.etree.c:188142: error: expected ‘)’ before ‘__pyx_f_4lxml_5etree__xslt_doc_loader’

src/lxml/lxml.etree.c:188393: warning: implicit declaration of function ‘xsltRegisterAllExtras’

src/lxml/lxml.etree.c:188402: warning: implicit declaration of function ‘exsltRegisterAll’

error: Setup script exited with error: command 'gcc' failed with exit status 1

像这种情况，一般是对应的devel包没有安装，但是即使我安装了libxml2 和libxml2-devel，还是同样的提示

已经确认过gcc, gcc-c++等基础包安装的了

[root@localhost]$ rpm -qa |grep gcc

gcc-4.4.7-4.el6.x86_64

libgcc-4.4.7-4.el6.x86_64

gcc-c++-4.4.7-4.el6.x86_64

查看pypi上lxml的文档 lxml 3.4.1,可以在第一段就看到下面的一句话：

Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

这里指出了lxml 会使用到 libxml2/libxsl

yum search libxml

yum search libxsl

会发现有libxslt-devel和libxml2-devel

执行shell命令：

yum -y install libxslt-devel

上面的命令执行之后，会自动安装和更新如下的软件包:

  1. libxml2
  2. libxml2-devel
  3. libgpg-error-devel
  4. libgcrypt-devel
  5. libxslt
  6. libxslt-devel

安装上面了6个软件包之后，pip install lxml就能成功安装lxml了

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