一、 Scrapy简介
Scrapy is a fast high-level screen scraping and web crawling framework, used to crawl websites and extract structured data from their pages. It can be used for a wide range of purposes, from data mining to monitoring and automated testing.
官方主页： http://www.scrapy.org/
二、 安装Python2.7
下载地址：http://www.python.org/ftp/python/2.7.3/python-2.7.3.msi
1) 安装python
安装目录：D:\Python27
2) 添加环境变量
略System Properties -> Advanced -> Environment Variables - >System Variables -> Path -> Edit
3) 验证环境变量
T:\>set Path
Path=C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;D:\Rational\common;D:\Rational\ClearCase\bin;D:\Python27;D:\Python27\Scripts
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
4) 验证Python
T:\>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
T:\>
三、 安装Twisted
Twisted is an event-driven networking engine written in Python and licensed under the open source
1) 安装setuptools
Download, build, install, upgrade, and uninstall Python packages -- easily!
官方主页：http://pypi.python.org/pypi/setuptools
下载地址：http://pypi.python.org/packages/2.7/s/setuptools/setuptools-0.6c11.win32-py2.7.exe
安装过程：略
2) 安装Zope.Interface
官方主页：http://pypi.python.org/pypi/zope.interface/
下载地址：http://pypi.python.org/packages/2.7/z/zope.interface/zope.interface-4.0.1-py2.7-win32.egg
安装过程：
T:\>d:
D:\>cd D:\Python27\Scripts
D:\Python27\Scripts>easy_install.exe zope.interface-4.0.1-py2.7-win32.egg
Processing zope.interface-4.0.1-py2.7-win32.egg
creating d:\python27\lib\site-packages\zope.interface-4.0.1-py2.7-win32.egg
Extracting zope.interface-4.0.1-py2.7-win32.egg to d:\python27\lib\site-packages
Adding zope.interface 4.0.1 to easy-install.pth file
Installed d:\python27\lib\site-packages\zope.interface-4.0.1-py2.7-win32.egg
Processing dependencies for zope.interface==4.0.1
Finished processing dependencies for zope.interface==4.0.1
D:\Python27\Scripts>
验证安装：
D:\Python27\Scripts>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import zope.interface
>>>
3) 安装Twisted
官方主页：http://twistedmatrix.com/trac/wiki/TwistedProject
下载地址：http://pypi.python.org/packages/2.7/T/Twisted/Twisted-12.1.0.win32-py2.7.msi
安装过程：略
四、 安装w3lib
官方主页：http://pypi.python.org/pypi/w3lib
下载地址： http://pypi.python.org/packages/source/w/w3lib/w3lib-1.2.tar.gz
解压过程：略
安装过程：
T:\w3lib-1.2>python setup.py install
running install
running build
running build_py
creating build
creating build\lib
creating build\lib\w3lib
copying w3lib\encoding.py -> build\lib\w3lib
copying w3lib\form.py -> build\lib\w3lib
copying w3lib\html.py -> build\lib\w3lib
copying w3lib\http.py -> build\lib\w3lib
copying w3lib\url.py -> build\lib\w3lib
copying w3lib\util.py -> build\lib\w3lib
copying w3lib\__init__.py -> build\lib\w3lib
running install_lib
creating D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\encoding.py -> D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\form.py -> D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\html.py -> D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\http.py -> D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\url.py -> D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\util.py -> D:\Python27\Lib\site-packages\w3lib
copying build\lib\w3lib\__init__.py -> D:\Python27\Lib\site-packages\w3lib
byte-compiling D:\Python27\Lib\site-packages\w3lib\encoding.py to encoding.pyc
byte-compiling D:\Python27\Lib\site-packages\w3lib\form.py to form.pyc
byte-compiling D:\Python27\Lib\site-packages\w3lib\html.py to html.pyc
byte-compiling D:\Python27\Lib\site-packages\w3lib\http.py to http.pyc
byte-compiling D:\Python27\Lib\site-packages\w3lib\url.py to url.pyc
byte-compiling D:\Python27\Lib\site-packages\w3lib\util.py to util.pyc
byte-compiling D:\Python27\Lib\site-packages\w3lib\__init__.py to __init__.pyc
running install_egg_info
Writing D:\Python27\Lib\site-packages\w3lib-1.2-py2.7.egg-info
T:\w3lib-1.2>
验证安装：
T:\>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import w3lib
>>>
五、 安装libxml2
官方主页：http://users.skynet.be/sbi/libxml-python/http://pypi.python.org/pypi/pyOpenSSL
下载地址：http://users.skynet.be/sbi/libxml-python/binaries/libxml2-python-2.7.7.win32-py2.7.exe
安装过程：略
验证安装：
T:\>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import libxml2
>>>
六、 安装pyOpenSSL
官方主页：http://pypi.python.org/pypi/pyOpenSSL
下载地址：http://pypi.python.org/packages/2.7/p/pyOpenSSL/pyOpenSSL-0.13.winxp32-py2.7.msi
安装过程：略
验证安装：
T:\>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import OpenSSL
>>>
七、 安装Scrapy
官方主页：http://scrapy.org/
下载地址：http://pypi.python.org/packages/source/S/Scrapy/Scrapy-0.14.4.tar.gz
解压过程：略
安装过程：
T:\Scrapy-0.14.4>python setup.py install
……
Installing easy_install-2.7-script.py script to D:\Python27\Scripts
Installing easy_install-2.7.exe script to D:\Python27\Scripts
Installing easy_install-2.7.exe.manifest script to D:\Python27\Scripts
Using d:\python27\lib\site-packages
Finished processing dependencies for Scrapy==0.14.4
T:\Scrapy-0.14.4>
验证安装：
T:\>scrapy
Scrapy 0.14.4 - no active project
Usage:
scrapy <command> [options] [args]
Available commands:
fetch Fetch a URL using the Scrapy downloader
runspider Run a self-contained spider (without creating a project)
settings Get settings values
shell Interactive scraping console
startproject Create new project
version Print Scrapy version
view Open URL in browser, as seen by Scrapy
Use "scrapy <command> -h" to see more info about a command
T:\>
几个网页：
http://wiki.jikexueyuan.com/project/scrapy/scrapy-tutorial.html
http://www.cnblogs.com/Shirlies/p/4536880.html
https://learnpythonthehardway.org/book/ex1.html
http://cuiqingcai.com/1052.html