为什么我不能为python安装lxml? [英] Why can't I install lxml for python?
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问题描述
我已经下载了lxml的tarball,并正在使用ipython setup.py install尝试安装它.不幸的是,它给了我很多错误消息:
I have downloaded the tarball for lxml and am using ipython setup.py install to try to install it. Unfortunately it is giving me screenfuls of error messages:
src/lxml/lxml.etree.c:200651: error: ‘XML_XPATH_INVALID_OPERAND’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200661: error: ‘XML_XPATH_INVALID_TYPE’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200671: error: ‘XML_XPATH_INVALID_ARITY’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200681: error: ‘XML_XPATH_INVALID_CTXT_SIZE’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200691: error: ‘XML_XPATH_INVALID_CTXT_POSITION’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200921: error: ‘LIBXSLT_VERSION’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200933: error: ‘xsltLibxsltVersion’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200945: error: ‘__pyx_v_4lxml_5etree_XSLT_DOC_DEFAULT_LOADER’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200945: error: ‘xsltDocDefaultLoader’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200954: error: ‘xsltDocLoaderFunc’ undeclared (first use in this function)
src/lxml/lxml.etree.c:200954: error: expected ‘)’ before ‘__pyx_f_4lxml_5etree__xslt_doc_loader’
An exception has occurred, use %tb to see the full traceback.
SystemExit: error: command 'gcc' failed with exit status 1
有人知道这里发生了什么吗?显然cython会干扰安装,但是我的系统上没有安装cython.这是在centos 6.4操作系统上,ipython运行2.7.
Does anyone know what is going on here? Apparently cython can interfere with installation, but I don't have cython installed on my system. This is on a centos 6.4 operating system, with ipython running 2.7.
推荐答案
lxml取决于libxml2
和libxslt
.使用yum安装开发头文件:
lxml depends on libxml2
and libxslt
. Use yum to install the development headers:
yum install libxml2-devel libxslt-devel python-devel
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