苏宁scrapy爬虫,依据搜索引擎实现指定商品爬虫并将商品参数与评论下载入库。
scrapy
redis
mongodb
pyqt5
$ git clone ssh://git@42.123.127.93:10022/bujue/suning.git
$ cd suning
$ python start.py
在suning/suning/settings.py中
# -*- coding: utf-8 -*-
# Scrapy settings for suning project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# http://doc.scrapy.org/en/latest/topics/settings.html
# http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
# http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
BOT_NAME = 'suning'
SPIDER_MODULES = ['suning.spiders']
NEWSPIDER_MODULE = 'suning.spiders'
ROBOTSTXT_OBEY = False
#随机浏览器
USER_AGENTS = [
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
"Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
"Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
"Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
"Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
"Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",
]
#代理ip
PROXIES = [
{'ip_port':'117.93.132.94:8998','user_pass':''},
]
SPIDER_MIDDLEWARES = {
#'suning.middlewares.SuningSpiderMiddleware': 543,
'suning.middlewares.RandomUserAgent': 1, #随机user agent'
}
ITEM_PIPELINES = {
'suning.pipelines.SuningPipeline': 300,
}
#此处配置Mongodb数据库，用于存储最终爬取下来的数据
MONGODB_SERVER = "localhost" #此处配置redis,服务器使用127.0.0.1/localhost 即可,从机在此处填主机的ip地址,即集中存储数据于服务器上
MONGODB_PORT = 27017 #端口号
MONGODB_DB = "pipeline_db" #数据库名
MONGODB_COLLECTION = "suning" #表名
#此处配置redis数据库，用于存储爬取的url
DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
SCHEDULER = "scrapy_redis.scheduler.Scheduler"
SCHEDULER_PERSIST = True
SCHEDULER_QUEUE_CLASS = "scrapy_redis.queue.SpiderPriorityQueue"
REDIS_HOST = '127.0.0.1' #此处配置redis,服务器使用 127.0.0.1/localhost 即可,从机在此处填主机的ip地址
REDIS_PORT= 6379注:本次项目没有使用代理ip,若要使用,只需修改suninh/suninh/settings.py中
DOWNLOADER_MIDDLEWARES = {
# 'cnblogs.middlewares.MyCustomDownloaderMiddleware': 543,
'suninh.middlewares.RandomUserAgent': 1, #随机user agent
#'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware': 110, #代理需要用到
#'suninh.middlewares.ProxyMiddleware': 100, #代理需要用到
}修改为
DOWNLOADER_MIDDLEWARES = {
# 'cnblogs.middlewares.MyCustomDownloaderMiddleware': 543,
'suninh.middlewares.RandomUserAgent': 1, #随机user agent
'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware': 110, #代理需要用到
'suninh.middlewares.ProxyMiddleware': 100, #代理需要用到
}并在suninh/suninh/settings.py中 #代理ip
PROXIES = [
{'ip_port':'117.93.132.94:8998','user_pass':''},
]中加入有效代理ip即可