Centos7下安装Python3+scrapy以及填坑
1.安装支持管理工具
[[email protected] ~]# yum -y groupinstall "Development tools"
2.支持库的安装
[[email protected] ~]# yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel --skip-broken
3.Python3安装
1)下载python安装包
[[email protected] ~]# wget https://www.python.org/ftp/python/3.5.5/Python-3.5.5.tgz
2)解压安装包并且进入文件夹
[[email protected] ~]# tar -zxvf Python-3.5.5.tgz [[email protected] ~]# cd Python-3.5.5/
3)对python进行编译并进行安装
[[email protected] ~]# ./configure --prefix=/usr/local/python3 [[email protected] ~]# make && make install
4)为python、pip3创建软链接
[[email protected] ~]# ln -s /usr/local/python3/bin/python3 /usr/bin/python3 [[email protected] ~]# ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
安装Scrapy
1.使用pip3进行
[[email protected] ~]# pip3 install scrapy
Tips:安装过程中如果出现下图情况我们可以这般处理:
直接输入下方命令并执行
pip install pyopenssl ndg-httpsclient pyasn1
执行完毕继续执行
[[email protected] ~]# pip3 install scrapy
界面出现下图时说明安装成功
成功后需要给Scrapy添加软链接
[[email protected] ~]# ln -s /usr/local/python3/bin/scrapy /usr/bin/scrapy
验证Scrapy软链接
[[email protected] ~]# scrapy -v Scrapy 1.5.0 - no active project
安装完成!!!!