URL/Webseite mit Python überwachen

Datum: 13.11.19 Quelle: https://chrisalbon.com/python/web_scraping/monitor_a_website/ https://pypi.org/project/requests/ https://3.python-requests.org/ https://www.programiz.com/python-programming/time

#!/usr/bin/python3
import requests # Import requests (to download the page)
import hashlib #Import hashlib zum Seite vergleichen
import smtplib# Import smtplib (to allow us to email)
import time# Import Time (to add a delay between the times the scape runs)
 
#Variablen
fromemail= ""
toemail= ""
smtpserver= ""
mypasswd =""
 
 
while True:
    url="https://de.wikipedia.org/wiki/Wikipedia:Testseite"
 
    #Hash der bisherigen Seite
    oldmd5 = "10f056ec6ae0d249d86b3829a527321b"
 
    #Seite runterladen
    r = requests.get(url)
 
    #Text encoden -> MD5 Hash bilden-> als hex darstellen
    newmd5 = hashlib.md5(r.text.encode()).hexdigest()
 
    print(time.ctime(time.time())+" Old Hash: "+oldmd5)
    print(time.ctime(time.time())+" New Hash: "+newmd5)
 
    if( oldmd5 == newmd5):
        #Zeit in Sekunden
        time.sleep(60*60)
        continue
    else:
        #Alles von https://chrisalbon.com/python/web_scraping/monitor_a_website/
        # create an email message with just a subject line,
        msg = 'Subject: Seite checken'
        print(msg)
        # set the 'from' address,
        ##fromaddr = fromemail
        # set the 'to' addresses,
        #toaddrs  = ['AN_EMAIL_ADDRESS','A_SECOND_EMAIL_ADDRESS', 'A_THIRD_EMAIL_ADDRESS']
        ##toaddrs  = [toemail]
        # setup the email server,
        ##server = smtplib.SMTP(smtpserver, 587)
        ##server.starttls()
        # add my account login name and password,
        ##server.login(fromemai, mypasswd)
        # Print the email's contents
        ##print('From: ' + fromaddr)
        ##print('To: ' + str(toaddrs))
        ##print('Message: ' + msg)
 
        # send the email
        ## server.sendmail(fromaddr, toaddrs, msg)
        # disconnect from the server
        ## server.quit()
        break