scrapy安装

参考文章：http://www.cnblogs.com/txw1958/archive/2012/07/12/scrapy_installation_introduce.html

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/

第三方中文文档：http://scrapy-chs.readthedocs.org/zh_CN/latest/intro/overview.html

二、 安装Python2.7

官方主页：http://www.python.org/

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

path 中添加 D:Python27;D:Python27Scripts;

3) 验证环境变量

打开命令行，并且运行以下命令来修改 PATH:

c:python27python.exe c:python27	oolsscriptswin_add2path.py

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

注意区分64位和32位的程序。命令行要以管理员身份运行，程序应该放在“D:Python27Scripts”这个文件夹下。

安装过程：

T:>d:
D:>cd D:Python27Scripts
D:Python27Scripts>easy_install.exe zope.interface-4.0.1-py2.7-win32.egg
Processing zope.interface-4.0.1-py2.7-win32.egg
creating d:python27libsite-packageszope.interface-4.0.1-py2.7-win32.egg
Extracting zope.interface-4.0.1-py2.7-win32.egg to d:python27libsite-packages
Adding zope.interface 4.0.1 to easy-install.pth file

Installed d:python27libsite-packageszope.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:Python27Scripts>

验证安装：

D:Python27Scripts>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 buildlib
creating buildlibw3lib
copying w3libencoding.py -> buildlibw3lib
copying w3libform.py -> buildlibw3lib
copying w3libhtml.py -> buildlibw3lib
copying w3libhttp.py -> buildlibw3lib
copying w3liburl.py -> buildlibw3lib
copying w3libutil.py -> buildlibw3lib
copying w3lib\__init__.py -> buildlibw3lib
running install_lib
creating D:Python27Libsite-packagesw3lib
copying buildlibw3libencoding.py -> D:Python27Libsite-packagesw3lib
copying buildlibw3libform.py -> D:Python27Libsite-packagesw3lib
copying buildlibw3libhtml.py -> D:Python27Libsite-packagesw3lib
copying buildlibw3libhttp.py -> D:Python27Libsite-packagesw3lib
copying buildlibw3liburl.py -> D:Python27Libsite-packagesw3lib
copying buildlibw3libutil.py -> D:Python27Libsite-packagesw3lib
copying buildlibw3lib\__init__.py -> D:Python27Libsite-packagesw3lib
byte-compiling D:Python27Libsite-packagesw3libencoding.py to encoding.pyc
byte-compiling D:Python27Libsite-packagesw3libform.py to form.pyc
byte-compiling D:Python27Libsite-packagesw3libhtml.py to html.pyc
byte-compiling D:Python27Libsite-packagesw3libhttp.py to http.pyc
byte-compiling D:Python27Libsite-packagesw3liburl.py to url.pyc
byte-compiling D:Python27Libsite-packagesw3libutil.py to util.pyc
byte-compiling D:Python27Libsite-packagesw3lib\__init__.py to __init__.pyc
running install_egg_info
Writing D:Python27Libsite-packagesw3lib-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：把程序放到“D:Python27Scripts”下，然后用easy_install安装。

D:Python27Scripts>easy_install.exe libxml2-python-2.7.7.win32-py2.7.exe

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：用pip安装（没有成功？）

pip install pyopenssl

验证安装：注意验证时import后面的OpenSSL是区分大小写的。

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:Python27Scripts
Installing easy_install-2.7.exe script to D:Python27Scripts
Installing easy_install-2.7.exe.manifest script to D:Python27Scripts

Using d:python27libsite-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:>