main.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from bs4 import BeautifulSoup
import requests


def download(webcode):
    url = "https://www.westermann.de/webcode"
    payload = {'webcode': webcode}
    # Die Seite mit dem Webcode aufrufen und die Zielseite erfragen
    web = requests.post(url, data=payload, allow_redirects=False)
    location = web.headers['Location']
    zieladresse = "https://www.westermann.de" + location
    # Die Zielseite aufrufen und den Link auf die Webressource erfragen
    web = requests.get(zieladresse)
    soup = BeautifulSoup(web.text, "html5lib")
    links = soup.find_all("a")
    ressource = ""
    for link in links:
        if "backend" in link["href"]:
            ressource = "https://www.westermann.de" + link["href"]
    description = soup.find("div", {"class": "buchlink"}).p.get_text(strip=True)
    description = description.replace("?"," ").replace(":",";").replace("/","-")
    description = description.replace("Baustein","BS")
    description = description.replace("Arbeitsblätter","AB")
    description = description.replace("Arbeitsblatt","AB")
    description = description.replace("Zusatzmaterial","ZM")
    print(description)
    # Die Seite mit der Ressource aufrufen, die Ressource herunterladen
    web = requests.get(ressource, allow_redirects=True)
    with open(f"{description} [{webcode}].doc", "wb") as f:
        f.write(web.content)

def main():
    # Sprache und Kommunikation im öffentlichen Raum (2022)
    webcodes = ['SNG-22788-999', 'SNG-22788-990', 'SNG-22788-909', 'SNG-22788-100', 'SNG-22788-111', 'SNG-22788-110',
                'SNG-22788-101', 'SNG-22788-001', 'SNG-22788-011', 'SNG-22788-008', 'SNG-22788-800', 'SNG-22788-088',
                'SNG-22788-888', 'SNG-22788-808', 'SNG-22788-880', 'SNG-22788-222', 'SNG-22788-900', 'SNG-22788-202',
                'SNG-22788-022', 'SNG-22788-220', 'SNG-22788-444', 'SNG-22788-400', 'SNG-22788-404', 'SNG-22788-044',
                'SNG-22788-440', 'SNG-22788-333', 'SNG-22788-300', 'SNG-22788-303', 'SNG-22788-330', 'SNG-22788-033',
                'SNG-22788-030', 'SNG-22788-555', 'SNG-22788-666', 'SNG-22788-600', 'SNG-22788-606', 'SNG-22788-660',
                'SNG-22788-066', 'SNG-22788-060', 'SNG-22788-777', 'SNG-22788-700', 'SNG-22788-750', 'SNG-22788-850',
                'SNG-22788-150', 'SNG-22788-002', 'SNG-22788-500', 'SNG-22788-000', 'SNG-22788-090', 'SNG-22788-009',
                'SNG-22788-099']
    for webcode in webcodes:
        download(webcode)

if __name__ == "__main__":
    main()