init
This commit is contained in:
commit
bc562ffb10
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.gitignore
vendored
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.gitignore
vendored
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__pycache__
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linyidzwww/__init__.py
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linyidzwww/__init__.py
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linyidzwww/items.py
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linyidzwww/items.py
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# Define here the models for your scraped items
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#
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# See documentation in:
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# https://docs.scrapy.org/en/latest/topics/items.html
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import scrapy
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from scrapy.loader.processors import MapCompose, TakeFirst
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#移除空格
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def remove_spaces(text):
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return text.replace(" ", "")
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# 使用replace方法移除换行符、制表符、换行符、
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def remove_special_chars(text):
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cleaned_text = text.replace("\n", "").replace("\t", "").replace("\r", "").replace("\f", "").replace("\v", "")
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return cleaned_text
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# 处理 \uXXXX格式的unicode字符
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def replace_unicode(text):
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cleaned_text = text.replace("<!--zhengwen-->", "").replace("<!--/zhengwen-->", "").replace("news-con", "news-content")
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cleaned_text = cleaned_text.replace("<p style=\"text-align: center;\"><strong>海报新闻出品</strong></p>", "")
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cleaned_text = cleaned_text.replace("<p style=\"text-align: center;\">海报新闻出品</p>", "")
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cleaned_text = cleaned_text.replace("海报新闻出品", "")
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#cleaned_text = cleaned_text.encode('utf-8').decode('unicode_escape')
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print(cleaned_text)
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return cleaned_text
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def remove_content_chars(text):
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cleaned_text = text.replace('<!--zhengwen-->', "").replace('<!--/zhengwen-->', "").replace("news-con", "news-content")
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cleaned_text = cleaned_text.replace("<p style=\"text-align: center;\"><strong>海报新闻出品</strong></p>", "")
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cleaned_text = cleaned_text.replace("<p style=\"text-align: center;\">海报新闻出品</p>", "")
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cleaned_text = cleaned_text.replace("海报新闻出品", "")
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return cleaned_text
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class LinyidzwwwItem(scrapy.Item):
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title = scrapy.Field()#标题
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url = scrapy.Field()#链接
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datetime = scrapy.Field()#日期时间
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content = scrapy.Field(output_processor = MapCompose(remove_spaces,remove_special_chars,replace_unicode))#内容
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thumb = scrapy.Field()#封面图片
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source = scrapy.Field()#来源
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author = scrapy.Field()#作者
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103
linyidzwww/middlewares.py
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103
linyidzwww/middlewares.py
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# Define here the models for your spider middleware
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#
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# See documentation in:
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# https://docs.scrapy.org/en/latest/topics/spider-middleware.html
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from scrapy import signals
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# useful for handling different item types with a single interface
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from itemadapter import is_item, ItemAdapter
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class LinyidzwwwSpiderMiddleware:
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# Not all methods need to be defined. If a method is not defined,
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# scrapy acts as if the spider middleware does not modify the
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# passed objects.
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@classmethod
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def from_crawler(cls, crawler):
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# This method is used by Scrapy to create your spiders.
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s = cls()
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crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
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return s
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def process_spider_input(self, response, spider):
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# Called for each response that goes through the spider
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# middleware and into the spider.
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# Should return None or raise an exception.
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return None
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def process_spider_output(self, response, result, spider):
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# Called with the results returned from the Spider, after
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# it has processed the response.
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# Must return an iterable of Request, or item objects.
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for i in result:
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yield i
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def process_spider_exception(self, response, exception, spider):
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# Called when a spider or process_spider_input() method
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# (from other spider middleware) raises an exception.
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# Should return either None or an iterable of Request or item objects.
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pass
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def process_start_requests(self, start_requests, spider):
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# Called with the start requests of the spider, and works
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# similarly to the process_spider_output() method, except
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# that it doesn’t have a response associated.
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# Must return only requests (not items).
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for r in start_requests:
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yield r
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def spider_opened(self, spider):
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spider.logger.info("Spider opened: %s" % spider.name)
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class LinyidzwwwDownloaderMiddleware:
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# Not all methods need to be defined. If a method is not defined,
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# scrapy acts as if the downloader middleware does not modify the
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# passed objects.
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@classmethod
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def from_crawler(cls, crawler):
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# This method is used by Scrapy to create your spiders.
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s = cls()
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crawler.signals.connect(s.spider_opened, signal=signals.spider_opened)
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return s
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def process_request(self, request, spider):
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# Called for each request that goes through the downloader
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# middleware.
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# Must either:
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# - return None: continue processing this request
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# - or return a Response object
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# - or return a Request object
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# - or raise IgnoreRequest: process_exception() methods of
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# installed downloader middleware will be called
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return None
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def process_response(self, request, response, spider):
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# Called with the response returned from the downloader.
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# Must either;
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# - return a Response object
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# - return a Request object
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# - or raise IgnoreRequest
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return response
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def process_exception(self, request, exception, spider):
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# Called when a download handler or a process_request()
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# (from other downloader middleware) raises an exception.
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# Must either:
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# - return None: continue processing this exception
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# - return a Response object: stops process_exception() chain
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# - return a Request object: stops process_exception() chain
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pass
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def spider_opened(self, spider):
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spider.logger.info("Spider opened: %s" % spider.name)
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13
linyidzwww/pipelines.py
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linyidzwww/pipelines.py
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# Define your item pipelines here
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#
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# Don't forget to add your pipeline to the ITEM_PIPELINES setting
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# See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html
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# useful for handling different item types with a single interface
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from itemadapter import ItemAdapter
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class LinyidzwwwPipeline:
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def process_item(self, item, spider):
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return item
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102
linyidzwww/settings.py
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linyidzwww/settings.py
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# Scrapy settings for linyidzwww project
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#
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# For simplicity, this file contains only settings considered important or
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# commonly used. You can find more settings consulting the documentation:
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#
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# https://docs.scrapy.org/en/latest/topics/settings.html
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# https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
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# https://docs.scrapy.org/en/latest/topics/spider-middleware.html
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BOT_NAME = "linyidzwww"
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SPIDER_MODULES = ["linyidzwww.spiders"]
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NEWSPIDER_MODULE = "linyidzwww.spiders"
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# 使用scrapy-redis里的去重组件,不使用scrapy默认的去重方式
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#一个去重的类,用来将url去重
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DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
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#一个队列
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SCHEDULER = "scrapy_redis.scheduler.Scheduler"
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#是否持久化(爬完后不会再爬了,像一些固定的数据)
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SCHEDULER_PERSIST = True
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#你的redis地址
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REDIS_URL = "redis://default:jhkdjhkjdhsIUTYURTU_hFBi3n@192.168.192.217:6379"
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# Crawl responsibly by identifying yourself (and your website) on the user-agent
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USER_AGENT = "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1 Edg/120.0.0.0"
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# Obey robots.txt rules
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ROBOTSTXT_OBEY = False
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# Configure maximum concurrent requests performed by Scrapy (default: 16)
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CONCURRENT_REQUESTS = 32
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# Configure a delay for requests for the same website (default: 0)
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# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
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# See also autothrottle settings and docs
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DOWNLOAD_DELAY = 3
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# The download delay setting will honor only one of:
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#CONCURRENT_REQUESTS_PER_DOMAIN = 16
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#CONCURRENT_REQUESTS_PER_IP = 16
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# Disable cookies (enabled by default)
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#COOKIES_ENABLED = False
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# Disable Telnet Console (enabled by default)
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#TELNETCONSOLE_ENABLED = False
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# Override the default request headers:
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DEFAULT_REQUEST_HEADERS = {
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
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"Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6",
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"User-Agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1 Edg/120.0.0.0"
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}
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# Enable or disable spider middlewares
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# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
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#SPIDER_MIDDLEWARES = {
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# "linyidzwww.middlewares.LinyidzwwwSpiderMiddleware": 543,
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#}
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# Enable or disable downloader middlewares
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# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
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#DOWNLOADER_MIDDLEWARES = {
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# "linyidzwww.middlewares.LinyidzwwwDownloaderMiddleware": 543,
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#}
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# Enable or disable extensions
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# See https://docs.scrapy.org/en/latest/topics/extensions.html
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#EXTENSIONS = {
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# "scrapy.extensions.telnet.TelnetConsole": None,
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#}
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# Configure item pipelines
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# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
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ITEM_PIPELINES = {
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"linyidzwww.pipelines.LinyidzwwwPipeline": 300,
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}
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# Enable and configure the AutoThrottle extension (disabled by default)
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# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
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#AUTOTHROTTLE_ENABLED = True
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# The initial download delay
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#AUTOTHROTTLE_START_DELAY = 5
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# The maximum download delay to be set in case of high latencies
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#AUTOTHROTTLE_MAX_DELAY = 60
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# The average number of requests Scrapy should be sending in parallel to
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# each remote server
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#AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
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# Enable showing throttling stats for every response received:
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#AUTOTHROTTLE_DEBUG = False
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# Enable and configure HTTP caching (disabled by default)
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# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
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#HTTPCACHE_ENABLED = True
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#HTTPCACHE_EXPIRATION_SECS = 0
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#HTTPCACHE_DIR = "httpcache"
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#HTTPCACHE_IGNORE_HTTP_CODES = []
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#HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage"
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# Set settings whose default value is deprecated to a future-proof value
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REQUEST_FINGERPRINTER_IMPLEMENTATION = "2.7"
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TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor"
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FEED_EXPORT_ENCODING = "utf-8"
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63
linyidzwww/spiders/LinyiNews.py
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linyidzwww/spiders/LinyiNews.py
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import scrapy
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import re
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from linyidzwww.items import LinyidzwwwItem,replace_unicode
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from scrapy.loader import ItemLoader
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class LinyiNewsSpider(scrapy.Spider):
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name = "linyinews"
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allowed_domains = ["linyi.dzwww.com"]
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start_urls = ["https://linyi.dzwww.com/news/index.htm"]
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# for num in range(1,29):
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# start_urls.append("https://linyi.dzwww.com/news/index_"+str(num)+".htm")
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def parse(self, response):
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for sel in response.css('div.tuwen>ul>li'):
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title = sel.css('h3>a::text').extract()[0]
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url = sel.css('h3>a::attr(href)').extract()[0]
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thumb = sel.css('i>a>img::attr(src)').extract()[0]
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if not thumb:
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thumb = ''
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source = sel.css('div.tail>span.left::text').extract()[1].strip()
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yield scrapy.Request(url, callback=self.parse_article, meta={'title': title, 'url': url, 'thumb': thumb,'source':source})
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def parse_article(self, response):
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title = response.meta['title']
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url = response.meta['url']
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thumb = response.meta['thumb']
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source = response.meta['source']
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if not title:
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title = response.css('div.layout>h2::text').extract()[0]
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info = response.css('div.layout>div.left::text').extract()[0]
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# 匹配并提取时间
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time_pattern = r'(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})'
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match_time = re.search(time_pattern, info)
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if match_time:
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datetime = match_time.group(1).strip()
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else:
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datetime = ''
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if not source:
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# 匹配并提取来源
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source_pattern = r'来源: (.*) 作者:'
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match_source = re.search(source_pattern, info)
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if match_source:
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source = match_source.group(1).strip()
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else:
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source = ''
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# 匹配并提取作者
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author_pattern = r'作者: (.*)'
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match_author = re.search(author_pattern, info)
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if match_author:
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author = match_author.group(1).strip()
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else:
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author = ''
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# 匹配并提取内容
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html_content = response.css('div.news-con')[0].get().replace("\n", "").strip()
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# content = re.sub(r'<video.*?</video>', '', html_content, flags=re.DOTALL)
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# 数据处理器
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item = LinyidzwwwItem()
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item['title'] = title
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item['url'] = url
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item['thumb'] = thumb
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item['source'] = source
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item['datetime'] = datetime
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item['author'] = author
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item['content'] = replace_unicode(html_content)
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yield item
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4
linyidzwww/spiders/__init__.py
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4
linyidzwww/spiders/__init__.py
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# This package will contain the spiders of your Scrapy project
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#
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# Please refer to the documentation for information on how to create and manage
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# your spiders.
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BIN
requirements.txt
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BIN
requirements.txt
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scrapy.cfg
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scrapy.cfg
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# Automatically created by: scrapy startproject
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#
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# For more information about the [deploy] section see:
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# https://scrapyd.readthedocs.io/en/latest/deploy.html
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[settings]
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default = linyidzwww.settings
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[deploy]
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#url = http://localhost:6800/
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project = linyidzwww
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