Flatfinder/WebsiteParser.py at master · Weitspringer/Flatfinder · GitHub

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# -*- coding: utf-8 -*-
__author__ = 'Johannes Gontrum <gontrum@vogelschwarm.com>'

from urllib.request import Request,  urlopen
from urllib.parse import urlparse
import time
import sys
import random
from bs4 import BeautifulSoup
import re

user_agents = ['AppleWebKit/605.1.15',
               'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0',
               'Mozilla/5.0 (Windows NT 10.0; WOW64)',
               'AppleWebKit/537.36 (KHTML, like Gecko)',
               'Chrome/72.0.3626.121 Safari/537.36',
               'Safari/605.1.15',
               'Version/12.1.1']

accept = 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'


def get_beautiful_soup(url):
    req = Request(url, data=None, headers={'User-Agent': random.choice(user_agents),
                                           'Accept-Language': 'de,en-US;q=0.7,en;q=0.3',
                                           'Accept-Encoding': 'utf-8',
                                           'Accept': accept,
                                           'Referer': 'http://www.ecosia.de/'})
    return BeautifulSoup(urlopen(req).read(), 'html.parser')


def get_netloc(url):
    parsed_uri = urlparse(url)
    return '{uri.scheme}://{uri.netloc}'.format(uri=parsed_uri)


def get_time_stamp():
    return time.strftime("%b %d %Y %H:%M:%S", time.localtime())


def parse(site, url):
    try:
        if site == 'eBay':
            return __eBay(url)
        elif site == 'WG1Zimmer':
            return __WG1Zimmer(url)
        elif site == 'WGWohnung':
            return __WGWohnung(url)
        elif site == 'WohnungsBoerse':
            return __WohnungsBoerse(url)
        elif site == 'Immowelt':
            return __Immowelt(url)
        elif site == 'ImmoScout24':
            return __ImmoScout24(url)
        elif site == 'Immonet':
            return __Immonet(url)
        else:
            print("Called with unknown website (" + str(site) + "). Leaving now.")
            sys.exit(1)
    except Exception as e:
        print("Failed to catch data for " + str(site) + " with URL " + str(url))


def __eBay(url):
    ebay_page = get_beautiful_soup(url)
    # Get the results for the search
    search_results = ebay_page.find("div", attrs={"id": "srchrslt-content"})
    # Get the newest ad
    newest_ad = search_results.find("article", attrs={"class": "aditem"})
    ad_content = newest_ad.find("div", attrs={"class": "aditem-main--middle"})
    # Get the link
    link = get_netloc(url) + ad_content.find("a").get("href")
    # Get title
    desc = ad_content.find("a").get_text()
    # Get rent
    rent = ad_content.find("p", attrs={"class": "aditem-main--middle--price"}).get_text().strip()
    # Get location
    location = newest_ad.find("div", attrs={"class": "aditem-main--top--left"}).get_text().strip()

    # Process data
    ad = {"title": desc, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad


def __WG1Zimmer(url):
    wg_page = get_beautiful_soup(url)
    # Most recent offer
    most_recent_ad = wg_page.find("div", attrs={"class": "wgg_card offer_list_item"})
    card_body = most_recent_ad.find("div", attrs={"class": "card_body"})
    # URL
    link = "http://www.wg-gesucht.de/" + card_body.find("a").get("href")
    # Title
    title = card_body.find("h3").get("title")
    # Rent
    rent_list = card_body.find("b").get_text().split()
    if len(rent_list) == 3:
        rent = rent_list[2]
    else:
        rent = " ".join(rent_list)
    # Location
    card_body_row = card_body.find("div", attrs={"col-xs-11"})
    location_list_raw = card_body_row.find("span").get_text().strip().split("|")
    location_list = location_list_raw[1].strip("\n").split()
    location = "{} {}".format(location_list[0], location_list[1])

    # Process data
    ad = {"title": title, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad


def __WGWohnung(url):
    wg_page = get_beautiful_soup(url)
    # Most recent offer
    most_recent_ad = wg_page.find("div", attrs={"class": "wgg_card offer_list_item"})
    card_body = most_recent_ad.find("div", attrs={"class": "card_body"})
    # URL
    link = "http://www.wg-gesucht.de/" + card_body.find("a").get("href")
    # Title
    title = card_body.find("h3").get("title")
    # Rent
    rent_list = card_body.find("b").get_text().split()
    if len(rent_list) == 3:
        rent = rent_list[2]
    else:
        rent = " ".join(rent_list)
    # Location
    card_body_row = card_body.find("div", attrs={"col-xs-11"})
    location_list_raw = card_body_row.find("span").get_text().strip().split("|")
    location_list = location_list_raw[1].strip("\n").split()
    location = "{} {}".format(location_list[0], location_list[1])

    # Process data
    ad = {"title": title, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad


def __WohnungsBoerse(url):
    page = get_beautiful_soup(url)
    # Search results
    search_results = page.find("div", attrs={"id": "ajax-estate-list"})
    # Newest ad
    new_tag = search_results.find("div", attrs={"class": "stoerer new"})
    newest_ad = new_tag.parent
    ad_data = newest_ad.find("div", attrs={"class": "search_result_entry-data"})
    headline = ad_data.find("h3", attrs={"class": "search_result_entry-headline"})
    # Title
    title = headline.find("a").get("title")
    # Link
    link = get_netloc(url) + headline.find("a").get("href")
    # Rent
    props = newest_ad.find("div", attrs={"class": "search_result_entry-objectproperties"})
    rent = "".join(props.find("dd").get_text().strip().split())
    # Location
    location = "".join(
        newest_ad.find("div", attrs={"class": "search_result_entry-subheadline"}).get_text().strip())

    # Process data
    ad = {"title": title, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad


def __Immowelt(url):
    immow_page = get_beautiful_soup(url)
    # Most recent offer
    results = immow_page.find("div", attrs={"class": re.compile("SearchList-*")})
    newest_ad = results.find("div", attrs={"class": re.compile("EstateItem-*")})
    ad_content = newest_ad.find("div", attrs={"class": re.compile("FactsSection-*")})
    # Title
    title = newest_ad.find("h2").get_text()
    # URL
    link = newest_ad.find("a").get("href")
    # Rent
    hard_fact = ad_content.find("div", attrs={"class": re.compile("KeyFacts-*")})
    rent = hard_fact.find("div").get_text().strip()
    # Location
    location_container = ad_content.find("div", {"class": re.compile("estateFacts-*")})
    location = location_container.find("span").get_text().strip()
    # Process data
    ad = {"title": title, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad

# Has bot checker functionality
def __ImmoScout24(url):
    immoc_page = get_beautiful_soup(url)
    # Most recent offer
    ads = immoc_page.find("div", attrs={"id": "listings"})
    newest_ad = ads.find("article", attrs={"class": "result-list-entry"})
    # Title
    header = newest_ad.find("h5", attrs={"class": "result-list-entry__brand-title"}).get_text().strip()
    title = header[3:]
    # URL
    link = get_netloc(url) + newest_ad.find("a").get("href")
    # Rent
    rent = newest_ad.find("dd").get_text().strip()
    # Location
    location = newest_ad.find("button", attrs={"class": "result-list-entry__map-link"}).get_text().strip()
    # Process data
    ad = {"title": title, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad


def __Immonet(url):
    immonet_page = get_beautiful_soup(url)
    # Most recent offer
    offers = immonet_page.find("div", attrs={"id": "result-list-stage"})
    latest_offer = offers.find("div")
    headline = latest_offer.find("a", attrs={"class": "block ellipsis text-225 text-default"})
    # Title
    title = headline.get("title")
    # URL
    link = get_netloc(url) + headline.get("href")
    # Rent
    keyfacts = latest_offer.find("div", attrs={"id": "keyfacts-bar"})
    rent = keyfacts.find("span").get_text().strip()
    # Location
    location_raw = latest_offer.find("span", {"class": "text-100"}).get_text().strip().split()
    location = "{} {}".format(location_raw[2], location_raw[3])

    # Process data
    ad = {"title": title, "url": link, "rent": rent, "location": location, "time": get_time_stamp()}
    return ad