python追蹤小說更新並通過寄件提醒

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#!/usr/bin/env python#coding:utf-8from urllib import request, parseimport osimport timeimport randomfrom urllib.error import URLError, HTTPErrorfrom email import encodersfrom email.header import Headerfrom email.mime.text import MIMETextfrom email.utils import parseaddr, formataddrfrom email.mime.multipart import MIMEMultipartimport smtplibfrom lxml import etreeclass Spider:    def __init__(self):        self.old_title_qidian = list()        self.old_title_zongheng = list()    def check_update(self):        #從檔案中讀取上次記錄的最新章節        f = open("qidian.txt", ‘r‘)        self.old_title_qidian = []        link_qidian = []        n = 0        for line in open(‘qidian.txt‘):            if(n % 2 == 1):                line = f.readline()                line = line.strip()                self.old_title_qidian.append(line)            else:                line = f.readline()                line = line.strip()                link_qidian.append(line)            n = n + 1        f.close()                f = open("zongheng.txt", ‘r‘)        self.old_title_zongheng = []        link_zongheng = []        n = 0        for line in open(‘zongheng.txt‘):            if(n % 2 == 1):                line = f.readline()                line = line.strip()                self.old_title_zongheng.append(line)            else:                line = f.readline()                line = line.strip()                link_zongheng.append(line)            n = n + 1        f.close()        print(self.old_title_qidian)        print(link_qidian)        print(self.old_title_zongheng)                #檢測更新        i = 0        for k in link_qidian:            self.update_2(i, k)            i = i + 1        i = 0        for k in link_zongheng:            self.update_3(i, k)            i = i + 1                    #將新章節名儲存        f = open("qidian.txt", "w")        length = len(link_qidian)        for i in range(length):            f.write(link_qidian[i] + ‘\n‘)            f.write(self.old_title_qidian[i] + ‘\n‘)        f.close()        f = open("zongheng.txt", "w")        length = len(link_zongheng)        for i in range(length):            f.write(link_zongheng[i] + ‘\n‘)            f.write(self.old_title_zongheng[i] + ‘\n‘)        f.close()              #擷取html    def open_url(self, link):        wanted_page = link        req = request.Request(wanted_page)        req.add_header(‘User-Agent‘, ‘Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36‘                                   ‘(KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393‘)        response = request.urlopen(req)        html = response.read().decode(‘utf-8‘)        return html                #檢查是否更新  針對起點中文網    def update_2(self, i, link):          html = self.open_url(link)        tree = etree.HTML(html)        node = tree.xpath(u"/html/body/div[2]/div[6]/div[4]/div[1]/div[1]/div[2]/ul/li[3]/div/p[1]/a/@title")        print(node[0])        if(node[0] != self.old_title_qidian[i]):            self.old_title_qidian[i] = node[0]            new_email = SendEmail(node[0])            new_email.send(link)        else:            print(0)            #檢查是否更新 針對縱橫中文網    def update_3(self, i, link):        html = self.open_url(link)        tree = etree.HTML(html)        node = tree.xpath(u"/html/body/div[6]/div[1]/div/div[3]/a/text()")        node[0] = node[0].strip() #起點的標題會多讀取一個分行符號，要去除        print(node[0])        if(node[0] != self.old_title_zongheng[i]):            self.old_title_zongheng[i] = node[0]            new_email = SendEmail(node[0])            new_email.send(link)        else:            print(0)class SendEmail:    def __init__(self, title):        self.title = title    def send(self, link):    #xxxxxxxxx表示郵箱服務授權碼        data_1 = [‘[email protected]‘, ‘xxxxxxxxxx‘, ‘[email protected]‘, ‘smtp.qq.com‘]        from_addr = data_1[0]        password = data_1[1]        to_addr = data_1[2]        smtp_server = data_1[3]        msg = MIMEMultipart(‘alternative‘)        msg[‘From‘] = from_addr        msg[‘To‘] = to_addr        msg[‘Subject‘] = r‘同志，小說更新了！！！‘         html = """        <html>           <head></head>           <body>             <p>同志，最新章節在此：<br>                點選連結立即閱讀<br>                <a href= """ + link + """">""" + self.title + """<a><br>                <hr style="border:1px dashed #000; height:1px">               <a href ="http://www.bearcarl.top">點選連結加入我們的社區<a><br>            </p>           </body>         </html>     """        part1 = MIMEText(html, ‘html‘)        msg.attach(part1)        try:            server = smtplib.SMTP_SSL(smtp_server, 465)            server.set_debuglevel(1)            server.login(from_addr, password)            server.sendmail(from_addr, to_addr, msg.as_string())            print(‘success‘)        except server.SMTPException as e:            print("failed")        finally:            server.quit()if __name__ == ‘__main__‘:    update_Spider = Spider()    while(1):        #記錄目前時間        f = open("xs_log.txt", "a")        now_time = time.strftime(‘%Y-%m-%d  %H : %M : %S‘,time.localtime(time.time()))        f.write(now_time + ‘\n‘)        f.close()        update_Spider.check_update()        #每10分鐘檢查一次是否更新        time.sleep(600)    

第一次寫的時候提取最新章節用的是正則，後來改了，用的是XPATH。

如果不想用檔案儲存連結資訊和最新章節名，可以直接寫在代碼裡面用列表儲存。

效果：

 

python追蹤小說更新並通過寄件提醒