#!/usr/bin/python3
# lädt und zeigt Aktienkurse aus der Tagesschau-Webseite
import re, requests

def kurse(xax,url):
    req = requests.get(url, timeout=1)
    if req.status_code != 200:
        print("request error, code", req.status_code)
        print("URL:",url); exit()
    r1=r'<td>(.+?)</td>\s*<td class="ri"><span class="i'
    r2=r'con_\w{3,7}">(\d+,\d+)&euro;</span></td>\s*<td'
    r3=r' class="ri"><span class="\w{3,7}">(.+?)</span>'
    r4=r'</td>\s*<td class="ri"><span class="\w{3,7}">'
    r5=r'(.+?)</span></td>\s+.+?\s+<td class="ri hidden'
    r6=r'-xs-down">(.+?)</td>\s+<td class="ri hidden-xs'
    r7=r'-down hidden-sm-down">(.+?)</td>'
    reo = re.compile(r1+r2+r3+r4+r5+r6+r7) # re 6 groups
    ali = reo.findall(req.text)  # list of matching seq.
    n = 0     # initzialize output counter n
    for i in ali:
        if n%10==0: # check, if n is a multiple of 10
            print("{0:^25s}  {1:^9s}  {2:^7s} {3:^9s}\
  {4:^13s} {5:^9s}".format(xax+'-Aktie','Kurs','%',\
'\u0394','Zeit','Volumen'))
            print(80*"-")
        n=n+1 # increment output counter n
        print("{0:<25s}  {1:>9s}  {2:>7s} {3:>9s}  {4:\
>13s} {5:>9s}".format(i[0][0:25],i[1]+" \u20ac",\
i[2].replace("&plusmn;",""),i[3].replace(
"&plusmn;","")+" \u20ac",i[4],i[5]))
        if n%10==0: # check, if n is amultiple of 10
            x = input("\nFortsetzung: ENTER") ; print()

u1 = "https://www.tagesschau.de/"
u2 = "wirtschaft/boersenkurse/"
print("\nProgramm dax.py\n")
kurse("DAX",u1+u2+"dax-index-846900/")
kurse("MDAX",u1+u2+"mdax-index-846741/")
kurse("TecDAX",u1+u2+"tecdax-index-720327/")