centOS7上安裝scrape

1、首先安裝epel擴展源

sudo yum -y install epel-release

2、如果系統中安裝有audit這個包請先移除，它會影響到Scrapy的安裝

#yum remove audit

3、然後安裝python-pip

sudo yum -y install python-pip

4、安裝依賴包

#yum install -y python-devel gcc libffi-devel openssl-devel libxslt-devel libxml2-devel

5、升級pip到8.1.2

pip install --upgrade pip

6、升級setuptools25.1.4
pip install --upgrade setuptools

7、配置scrape的環境變量

vi /etc/profile

export LD_LIBRARY_PATH=/usr/local/lib

8、清除cache
sudo yum clean all