【工具库安装】Scrapy安装

环境：windows10 64bit

需要安装:

1. wheel

pip3 install wheel

2. lxml

http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxml

3. PyOpenssl

https://pypi.python.org/pypi/pyOpenSSL#downloads

4. Twisted

http://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted

5. Pywin32

https://sourceforge.net/projects/pywin32/files/pywin32/Build%20220/

6. Scrapy

pip3 install scrapy

Linux Ubuntu 16.04

sudo apt-get install build-essential python3-dev libssl-deb libffi-dev libxml2 libxml2-dev libxslt1-dev zlib1g-dev

pip3 install scrapy