Python tracks novel updates and Alerts by email

#!/usr/bin/env python#Coding:utf-8 fromUrllibImportrequest, ParseImportOSImport TimeImportRandom fromUrllib.errorImportUrlerror, Httperror fromEmailImportencoders fromEmail.headerImportHeader fromEmail.mime.textImportMimetext fromEmail.utilsImportparseaddr, Formataddr fromEmail.mime.multipartImportMimemultipartImportSmtplib fromlxmlImportetreeclassSpider:def __init__(self): Self.old_title_qidian=list () Self.old_title_zongheng=list ()defcheck_update (self):#read the latest chapter in the last record from a filef = open ("Qidian.txt",'R') Self.old_title_qidian=[] Link_qidian=[] n=0 forLineinchOpen'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 + 1F.close () F= Open ("Zongheng.txt",'R') Self.old_title_zongheng=[] Link_zongheng=[] n=0 forLineinchOpen'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 + 1f.close ()Print(Self.old_title_qidian)Print(Link_qidian)Print(Self.old_title_zongheng)#Detect Updatesi =0 forKinchlink_qidian:self.update_2 (i, k) I= i + 1I=0 forKinchLink_zongheng:self.update_3 (i, k) I= i + 1#save a new chapter namef = open ("Qidian.txt","W") Length=Len (Link_qidian) forIinchRange (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) forIinchRange (length): F.write (Link_zongheng[i]+'\ n') F.write (Self.old_title_zongheng[i]+'\ n') F.close ()#Get HTML    defopen_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')        returnHTML#check whether to update the Chinese network for starting point    defupdate_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)#Check to see if the update is for the Chinese network    defupdate_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 ()#the header of the starting point reads a newline character more, to remove        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)classSendEmail:def __init__(self, title): Self.title=titledefSend (self, link):#XXXXXXXXX represents the Mailbox service authorization CodeData_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'Comrade, the novel updated!!! 'HTML=""""""+ link +"""">"""+ Self.title +"""<a><br> """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')        exceptserver. Smtpexception as E:Print("failed")        finally: Server.quit ()if __name__=='__main__': Update_spider=Spider () while(1):        #record the current timef = 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 ()#Check for updates every 10 minutesTime.sleep (600)    

The first time you write, the latest chapters are used in regular, then changed, XPath.

If you do not want to use the file to save the link information and the latest chapter name, you can directly write in the code to save with a list.

Effect:

Python tracks novel updates and Alerts by email