一、安装Python2.7.6
更新CentOS lib库文件
yum -y update安装开发工具包
yum groupinstall -y development安装扩展包
yum install -y zlib-dev openssl-devel sqlite-devel bzip2-devel下载Python2.7.6
wget http://www.python.org/ftp/python/2.7.6/Python-2.7.6.tar.xz解压Python2.7.6
tar -xvf Python-2.7.6.tar.xz进入Python2.7.6目录
cd Python-2.7.6编译安装Python2.7.6
./configuremake && make altinstall
二、解决Yum不支持Python2.7的问题
将老的Python程序进行备份
mv /usr/bin/python /usr/bin/python2.6.6建立新的Python链接
ln -s /usr/local/bin/python2.7 /usr/bin/python修改/usr/bin/yum文件
vi /usr/bin/yum将第一行的 #!/usr/bin/python 改为 #!/usr/bin/python2.6.6

三、安装setuptools 和 pip
下载setuptools
wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz解压setuptools
tar -xvf setuptools-1.4.2.tar.gz进入setuptools目录
cd setuptools-1.4.2通过已安装的Python2.7.6安装setuptools
python setup.py install安装 pip
easy_install pipcurl https://raw.github.com/pypa/pip/master/contrib/get-pip.py | python2.7 -
四、安装libxslt-devel支持lxml
yum install libxslt-devel
五、安装Scrapy
pip install scrapy
来源:oschina
链接:https://my.oschina.net/u/1441972/blog/206966
