我在Centos 7上使用最新的Python,以及专用的virtualenv
(ENV) [luoc@study ~ ]$ lsb_release -a
LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch
Distributor ID: CentOS
Description: CentOS Linux release 7.3.1611 (Core)
Release: 7.3.1611
Codename: Core
(ENV) [luoc@study ~ ]$ python --version
Python 3.6.0
当我安装scrapy时,出错了
(ENV) [luoc@study ~ ]$ pip install scrapy
Collecting scrapy
Using cached Scrapy-1.3.2-py2.py3-none-any.whl
Collecting cssselect>=0.9 (from scrapy)
Using cached cssselect-1.0.1-py2.py3-none-any.whl
Requirement already satisfied: six>=1.5.2 in ./ENV/lib/python3.6/site-packages (from scrapy)
Collecting Twisted>=13.1.0 (from scrapy)
Could not find a version that satisfies the requirement Twisted>=13.1.0 (from scrapy) (from versions: )
No …