def main():
# 构建自定义的Spider对象
# baidu_spider = BaiduSpider()
# douban_spider = DoubanSpider()
# # 将对象做为参数传给Engine
#getattr(对象，属性)
#getattr(文件绝对路径，文件里的类)
# 构建需要执行的多个爬虫的字典
# spiders = {
# BaiduSpider.name : BaiduSpider(),
# DoubanSpider.name : DoubanSpider()
# }
# # 自定义管道
# pipelines = [
# BaiduPipeline1(),
# BaiduPipeline2(),
# DoubanPipeline1(),
# DoubanPipeline2(),
# ]
# # 自定义爬虫中间件
# spider_middlewares = [
# SpiderMiddleware1(),
# SpiderMiddleware2()
# ]
# # 自定义下载中间件
# downloader_middlewares = [
# DownloaderMiddleware1(),
# DownloaderMiddleware2()
# ]
# engine = Engine(
# spiders = spiders,
# pipelines = pipelines,
# spider_mids = spider_middlewares,
# downloader_mids = downloader_middlewares
# )
engine = Engine()
engine.start()
def main():
# 通过自定义的BaiduSpider类构建了爬虫对象
# baidu_spider = BaiduSpider()
# douban_spider = DoubanSpider()
#spiders = {"baidu" : baidu_spider, "douban" : douban_spider}
#spiders = {baidu_spider.name : baidu_spider, douban_spider.name : douban_spider}
# spiders = {BaiduSpider.name : BaiduSpider(), DoubanSpider.name : DoubanSpider()}
# 通过自定义的Pipeline类构建了多个管道对象
# pipelines = [
# BaiduPipeline1(),
# BaiduPipeline2(),
# DoubanPipeline1(),
# DoubanPipeline2()
# ]
# 通过自定义的middlewares构建了多个爬虫中间件
# spider_middlewares = [
# SpiderMiddleware1(),
# SpiderMiddleware2()
# ]
# 通过自定义的middlewares构建了多个下载中间件
# downloader_middlewares = [
# DownloaderMiddleware1(),
# DownloaderMiddleware2()
# ]
# ，把对象传给Engine，再创建框架提供的引擎对象
# engine = Engine(
# spiders=spiders,
# pipelines=pipelines,
# spider_mids = spider_middlewares,
# downloader_mids = downloader_middlewares
# )
engine = Engine()
# 执行start()方法，启动框架执行程序
engine.start()
from scrapy_plus.core.engine import Engine
from spiders.baidu import BaiduSpider
from spiders.douban import DoubanSpider
# from spiders.pipelines import BaiduPipline
# from spiders.pipelines import DoubanPipline
# from middlewares.spider_middlewares import TestSpiderMiddleware1,TestSpiderMiddleware2
# from middlewares.downloader_middlewares import TestDownloaderMiddleware1,TestDownloaderMiddleware2
if __name__ == '__main__':
# baidu_spider = BaiduSpider()
# douban_spider = DoubanSpider()
# #
# spiders = {
# BaiduSpider.name:baidu_spider,
# DoubanSpider.name:douban_spider
# }
# pipelines = [
# BaiduPipline(),
# DoubanPipline()
# ]
# spider_mids = [TestSpiderMiddleware1(),TestSpiderMiddleware2()]
# downloader_mids = [TestDownloaderMiddleware1(),TestDownloaderMiddleware2()]
engine = Engine()
engine.start()
# 创建百度爬虫
baidu_spider = BaiduSpider()
# 2.1.1-3创建豆瓣爬虫
douban_spider = DoubanSpider()
# 2.2-1 准备一个爬虫的字典
# 2.3-5:把原来写死的名称换成爬虫中的名称
spiders = {
BaiduSpider.name: baidu_spider,
DoubanSpider.name: douban_spider
}
# 2.3-6:创建管道的列表，传入到引擎中去
pipelines = [BaiduPipeline(), DoubanPipeline()]
# 2.4-2:定义爬虫中间列表和下载器中间件列表
spider_middlewares = [
BaiduSpiderMiddleware(),
DoubanSpiderMiddleware(),
]
downloader_middlewares = [
BaiduDownloaderMiddleware(),
DoubanDownloaderMiddleware()
]
# 创建引擎对象
engine = Engine(spiders, pipelines, spider_middlewares,
downloader_middlewares)
# engine = Engine()
engine.start()
# THE WINTER IS COMING! the old driver will be driving who was a man of the world!
# -*- coding: utf-8 -*- python 3.6.7, create time is 18-11-30 下午5:04 GMT+8
from scrapy_plus.core.engine import Engine
from spiders.baidu import BaiduSpider
from spiders.douban import DoubanSpider
if __name__ == '__main__':
douban = DoubanSpider()
baidu = BaiduSpider()
spiders = {baidu.name:baidu, douban.name:douban}
engine = Engine(spiders)
engine.start()
from spider_middlewares import TestSpidermiddleware1, TestSpiderMiddleware2
from downloader_middlewares import TestDownloaderMiddleware1, TestDownloaderMiddleware2
# if __name__ == '__main__':
# # spider = BaiduSpider()
# # baidu_spider = BaiduSpider() # 实例化爬虫对象
# douban_spider = DoubanSpider() # 实例化爬虫对象
# spiders = {DoubanSpider.name: douban_spider}
# pipelines = [DoubanPipline()]
#
# spider_mids = [TestSpidermiddleware1(), TestSpiderMiddleware2()]
# downloader_mids = [TestDownloaderMiddleware1(), TestDownloaderMiddleware2()]
#
#
# engine = Engine(spiders,piplines=pipelines,spider_mids=spider_mids, downloader_mids=downloader_mids) # 传入爬虫对象
# engine.start() # 启动引擎
if __name__ == '__main__':
# spider = BaiduSpider()
# # baidu_spider = BaiduSpider() # 实例化爬虫对象
# douban_spider = DoubanSpider() # 实例化爬虫对象
# spiders = {DoubanSpider.name: douban_spider}
# pipelines = [DoubanPipline()]
#
# spider_mids = [TestSpidermiddleware1(), TestSpiderMiddleware2()]
# downloader_mids = [TestDownloaderMiddleware1(), TestDownloaderMiddleware2()]
engine = Engine() # 传入爬虫对象
engine.start() # 启动引擎
from scrapy_plus.core.engine import Engine
from spiders.baidu_spider import BaiduSpider
from spiders.douban_spider import DoubanSpider
# 多管道
from scrapy_plus.project_dir.pipelines import BaiduPipeline, DoubanPipeline
# 多中间键
from scrapy_plus.project_dir.spiders_middlewares import BaiduMiddleware, DoubanMiddleware
if __name__ == '__main__':
# # 百度爬虫
# bds = BaiduSpider()
# # 豆瓣爬
# dbs = DoubanSpider()
# # 将所有爬虫写成字典
# spiders = {
# BaiduSpider.name : bds,
# DoubanSpider.name : dbs
# }
# 课件选用列表
# pipelines = [BaiduPipeline(), DoubanPipeline()]
pipelines = {'baidu': BaiduPipeline(), 'douban': DoubanPipeline()}
middlewares = {'baidu': BaiduMiddleware(), 'douban': DoubanMiddleware()}
engine = Engine(pipelines=pipelines, middlewares=middlewares)
engine.start()
# THE WINTER IS COMING! the old driver will be driving who was a man of the world!
# -*- coding: utf-8 -*- python 3.6.7, create time is 18-11-30 下午5:04 GMT+8
from scrapy_plus.core.engine import Engine
from spiders.baidu import BaiduSpider
from spiders.douban import DoubanSpider
from pipelines import BaiduPipeline, DoubanPipeline
from middlewares.spider_middlewares import TestSpiderMiddleware1, TestSpiderMiddleware2
from middlewares.downloader_middlewares import TestDownloaderMiddleware1, TestDownloaderMiddleware2
if __name__ == '__main__':
douban = DoubanSpider()
baidu = BaiduSpider()
spiders = {baidu.name: baidu, douban.name: douban}
pipelines = [DoubanPipeline(), BaiduPipeline()]
spider_mids = [TestSpiderMiddleware1(), TestSpiderMiddleware2()]
downloader_mids = [
TestDownloaderMiddleware1(),
TestDownloaderMiddleware2()
]
engine = Engine(spiders=spiders,
pipelines=pipelines,
spider_mids=spider_mids,
downloader_mids=downloader_mids)
engine.start()
# -*- coding: utf-8 -*-
from scrapy_plus.core.engine import Engine # 导入引擎
if __name__ == '__main__':
engine = Engine() # 创建引擎对象
engine.start() # 启动引擎
# THE WINTER IS COMING! the old driver will be driving who was a man of the world!
# -*- coding: utf-8 -*- python 3.6.7, create time is 18-11-30 下午5:04 GMT+8
from scrapy_plus.core.engine import Engine
from spiders.baidu import BaiduSpider
from spiders.douban import DoubanSpider
from pipelines import BaiduPipeline, DoubanPipeline
if __name__ == '__main__':
douban = DoubanSpider()
baidu = BaiduSpider()
spiders = {baidu.name: baidu, douban.name: douban}
pipelines = [DoubanPipeline(), BaiduPipeline()]
engine = Engine(spiders=spiders, pipelines=pipelines)
engine.start()
from project_dir.spiders.douban import DouBanSpider
from scrapy_plus.core.engine import Engine
from spiders.baidu import BaiduSpider
if __name__ == '__main__':
spider = BaiduSpider()
#engine = Engine(spider)
douban = DouBanSpider()
engine = Engine(douban)
engine.start()
def main():
# 1. 定时发送请求
engine = Engine()
while True:
engine.start()
time.sleep(3)
from scrapy_plus.core.engine import Engine
from spiders.baidu import BaiduSpider
from spiders.douban import DoubanSpider
from pipelines import BaiduPipeline, DoubanPipeline
from spider_middlewares import TestSpiderMiddleware1, TestSpiderMiddleware2
from downloader_middlewares import TestDownloaderMiddleware1, TestDownloaderMiddleware2
import settings
if __name__ == '__main__':
# 实例化爬虫
# baidu = BaiduSpider()
# douban = DoubanSpider()
# spiders = {baidu.name:baidu,douban.name:douban}
# pipelines = [BaiduPipeline(),DoubanPipeline()]
# spider_mids = [TestSpiderMiddleware1(),TestSpiderMiddleware2()]
# downloader_mids = [TestDownloaderMiddleware1(),TestDownloaderMiddleware2()]
engine = Engine() # 实例化引擎
engine.start() # 引擎启动