# -*- coding: utf-8 -*-import scrapyfrom scrapy import Requestfrom scrapy.spiders import Spiderfrom scrapy_splash import SplashRequestfrom scrapy_splash import SplashMiddlewarefrom scrapy.http import Request, HtmlResponsefrom scrapy.selector import Selectorfrom scrapy_splash import SplashRequestfrom splash_test.items import SplashTestItemimport IniFileimport sysimport osimport reimport timereload(sys)sys.setdefaultencoding(‘utf-8‘)sys.stdout = open(‘output.txt‘, ‘w‘)class tvoaoSpider(Spider):    name = ‘tvoao‘    configfile = os.path.join(os.getcwd(), ‘splash_test\spiders\setting.conf‘)    cf = IniFile.ConfigFile(configfile)    information_wordlist = cf.GetValue("section", "information_keywords").split(‘;‘)    websearch_urls = cf.GetValue("tvoao", "websearchurl").split(‘;‘)    start_urls = []    for url in websearch_urls:        start_urls.append(url)    # request需要封装成SplashRequest    def start_requests(self):        for url in self.start_urls:            yield SplashRequest(url                                , self.parse                                , args={‘wait‘: ‘2‘}                                )    def Comapre_to_days(self,leftdate, rightdate):        ‘‘‘        比较连个字符串日期，左边日期大于右边日期多少天        :param leftdate: 格式：2017-04-15        :param rightdate: 格式：2017-04-15        :return: 天数        ‘‘‘        l_time = time.mktime(time.strptime(leftdate, ‘%Y-%m-%d‘))        r_time = time.mktime(time.strptime(rightdate, ‘%Y-%m-%d‘))        result = int(l_time - r_time) / 86400        return result    def date_isValid(self, strDateText):        ‘‘‘        判断日期时间字符串是否合法：如果给定时间大于当前时间是合法，或者说当前时间给定的范围内        :param strDateText: 四种格式 ‘2小时前‘; ‘2天前‘ ; ‘昨天‘ ;‘2017.2.12 ‘        :return: True:合法；False:不合法        ‘‘‘        currentDate = time.strftime(‘%Y-%m-%d‘)        datePattern = re.compile(r‘\d{4}-\d{2}-\d{2}‘)        strDate = re.findall(datePattern, strDateText)        if len(strDate) == 1:            if self.Comapre_to_days(currentDate, strDate[0]) == 0:                return True, currentDate        return False, ‘‘    def parse(self, response):        site = Selector(response)        sels = site.xpath(‘//li[@class="content_list clearfix"]‘)        for sel in sels:            strdates = sel.xpath(‘.//div[@class="listtext_label"]/span/text()‘)            if len(strdates)>0:                flag, date = self.date_isValid(str(strdates[0].extract()))                if flag:                    titles = sel.xpath(‘.//div[@class="content_listtext"]/a/h3/text()‘)                    if len(titles) > 0:                        title = str(titles[0].extract())                    url = ‘http://www.tvoao.com‘ + str(sel.xpath(‘.//a/@href‘)[0].extract())                    for keyword in self.information_wordlist:                        if title.find(keyword) > -1:                            yield SplashRequest(url                                                , self.parse_item                                                , args={‘wait‘: ‘1‘},                                                meta={‘date‘: date, ‘url‘: url,                                                      ‘keyword‘: keyword, ‘title‘: title}                                                )    def parse_item(self, response):        site = Selector(response)        it = SplashTestItem()        it[‘title‘] = response.meta[‘title‘]        it[‘url‘] = response.meta[‘url‘]        it[‘date‘] = response.meta[‘date‘]        it[‘keyword‘] = response.meta[‘keyword‘]        sources = site.xpath(‘//div[@class="headlines_source"]/span[2]/text()‘)        if len(sources)>0:            it[‘source‘] = str(sources[0].extract()).replace(u‘来源： ‘, ‘‘)        return it