windows安装scrapy框架步骤

Scrapy简介
Scrapy是一个快速,高效的网页抓取Python框架。主要用于Web抓取&提取信息&格式化数据。经常用此做数据挖掘、检测、测试等。
安装所需软件
python
python
python
安装步骤
1、安装Python
官网下载python（http://www.python.org/ftp/python/2.7.5/python-2.7.5.msi）& 傻瓜安装 将python路径(D:\Python27;D:\Python27\Scripts;)加入环境变量
验证是否安装ok
C:\Users\admin>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>>
2、安装setuptools
官网下载setuptools（http://pypi.python.org/pypi/setuptools）& 傻瓜安装
3、安装Zope.Interface
官网下载Zope.Interface（http://pypi.python.org/pypi/zope.interface/）& 傻瓜安装 验证是否安装ok
C:\Users\admin>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>> import zope.interface
>>>
4、安装Twisted
安装前需要安装：VCForPython27.msi
下载 VCForPython27.msi 。
地址： http://www.microsoft.com/en-us/download/confirmation.aspx?id=44266

VCForPython27.msi安装成功后再安装Twisted
官网下载Twisted（http://twistedmatrix.com/trac/wiki/Downloads）&   安装python setup.py install

5、安装w3lib
官网下载w3lib（http://pypi.python.org/pypi/w3lib） 安装
#进入插件目录并执行命令安装
>D:\python-plugin\w3lib-1.3>python setup.py install
验证
D:\python-plugin\w3lib-1.3>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>> import w3lib
>>>
6、安装libxml2
官网下载libxml2（http://users.skynet.be/sbi/libxml-python/）& 傻瓜安装
7、安装pyOpenSSL
官网下载pyOpenSSL（https://pypi.python.org/pypi/pyOpenSSL）& 傻瓜安装
8、安装scrapy
官网下载scrapy（https://pypi.python.org/pypi/Scrapy） 安装
#进入scrapy目录并执行安装
>D:\python-plugin\Scrapy-0.16.5>python setup.py install
验证
D:\python-plugin\Scrapy-0.16.5>scrapy
Scrapy 0.16.5 - 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

  [ more ]      More commands available when run from project directory

Use "scrapy <command> -h" to see more info about a command

D:\python-plugin\Scrapy-0.16.5>
安装完毕 OK




如果出现：error: ('The read operation timed out',) 错误
进入：
cd D:\anzhuang\Python27\Scripts
D:\anzhuang\Python27\Scripts>pip --default-timeout=100 install -U scrapy
等待安装成功