599 lines
23 KiB
Python
599 lines
23 KiB
Python
import requests
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import functools
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import random
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import logging
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from lxml import html
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import re
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import dateparser
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from boofilsic.settings import LUMINATI_USERNAME, LUMINATI_PASSWORD, DEBUG
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from django.utils.translation import ugettext_lazy as _
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from common.models import SourceSiteEnum
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from movies.models import Movie, MovieGenreEnum
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from movies.forms import MovieForm
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from books.models import Book
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from books.forms import BookForm
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from music.models import Album, Song
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from music.forms import AlbumForm, SongForm
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RE_NUMBERS = re.compile(r"\d+\d*")
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RE_WHITESPACES = re.compile(r"\s+")
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DEFAULT_REQUEST_HEADERS = {
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'Host': '',
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'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; rv:70.0) Gecko/20100101 Firefox/70.0',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'Accept-Language': 'zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2',
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# well, since brotli lib is so bothering, remove `br`
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'Accept-Encoding': 'gzip, deflate',
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'Connection': 'keep-alive',
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'DNT': '1',
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'Upgrade-Insecure-Requests': '1',
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'Cache-Control': 'no-cache',
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}
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# in seconds
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TIMEOUT = 10
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# luminati account credentials
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PORT = 22225
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logger = logging.getLogger(__name__)
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# register all implemented scraper in form of {host: scraper_class,}
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scraper_registry = {}
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def log_url(func):
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"""
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Catch exceptions and log then pass the exceptions.
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First postion argument (except cls/self) of decorated function must be the url.
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"""
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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try:
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return func(*args, **kwargs)
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except Exception as e:
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# log the url
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logger.error(f"Scrape Failed URL: {args[1]}")
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logger.error(str(e))
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raise e
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return wrapper
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class AbstractScraper:
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# subclasses must specify those two variables
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# site means general sites, like amazon/douban etc
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site_name = None
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# host means technically hostname
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host = None
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# corresponding data class
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data_class = None
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# corresponding form class
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form_class = None
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# used to extract effective url
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regex = None
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def __init_subclass__(cls, **kwargs):
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# this statement initialize the subclasses
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super().__init_subclass__(**kwargs)
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assert cls.site_name is not None, "class variable `site_name` must be specified"
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assert bool(cls.host), "class variable `host` must be specified"
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assert cls.data_class is not None, "class variable `data_class` must be specified"
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assert cls.form_class is not None, "class variable `form_class` must be specified"
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assert cls.regex is not None, "class variable `regex` must be specified"
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assert isinstance(cls.host, str) or (isinstance(cls.host, list) and isinstance(
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cls.host[0], str)), "`host` must be type str or list"
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assert cls.site_name in SourceSiteEnum, "`site_name` must be one of `SourceSiteEnum` value"
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assert hasattr(cls, 'scrape') and callable(
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cls.scrape), "scaper must have method `.scrape()`"
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# decorate the scrape method
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cls.scrape = classmethod(log_url(cls.scrape))
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# register scraper
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if isinstance(cls.host, list):
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for host in cls.host:
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scraper_registry[host] = cls
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else:
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scraper_registry[cls.host] = cls
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def scrape(self, url):
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"""
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Scrape/request model schema specified data from given url and return it.
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Implementations of subclasses to this method would be decorated as class method.
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return (data_dict, image)
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"""
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raise NotImplementedError("Subclass should implement this method")
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@classmethod
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def get_effective_url(cls, raw_url):
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url = cls.regex.findall(raw_url)
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if not url:
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raise ValueError("not valid url")
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return url[0]
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@classmethod
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def download_page(cls, url, headers):
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url = cls.get_effective_url(url)
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session_id = random.random()
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proxy_url = ('http://%s-country-cn-session-%s:%s@zproxy.lum-superproxy.io:%d' %
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(LUMINATI_USERNAME, session_id, LUMINATI_PASSWORD, PORT))
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proxies = {
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'http': proxy_url,
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'https': proxy_url,
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}
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# if DEBUG:
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# proxies = None
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r = requests.get(url, proxies=proxies,
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headers=headers, timeout=TIMEOUT)
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# r = requests.get(url, headers=DEFAULT_REQUEST_HEADERS, timeout=TIMEOUT)
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return html.fromstring(r.content.decode('utf-8'))
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@classmethod
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def download_image(cls, url):
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if url is None:
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return
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raw_img = None
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session_id = random.random()
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proxy_url = ('http://%s-country-cn-session-%s:%s@zproxy.lum-superproxy.io:%d' %
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(LUMINATI_USERNAME, session_id, LUMINATI_PASSWORD, PORT))
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proxies = {
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'http': proxy_url,
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'https': proxy_url,
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}
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# if DEBUG:
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# proxies = None
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if url:
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img_response = requests.get(
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url,
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headers={
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'accept': 'image/webp,image/apng,image/*,*/*;q=0.8',
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'accept-encoding': 'gzip, deflate',
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'accept-language': 'en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7,fr-FR;q=0.6,fr;q=0.5,zh-TW;q=0.4',
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'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 Edg/81.0.416.72',
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'cache-control': 'no-cache',
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'dnt': '1',
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},
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proxies=proxies,
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timeout=TIMEOUT,
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)
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if img_response.status_code == 200:
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raw_img = img_response.content
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return raw_img
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class DoubanBookScraper(AbstractScraper):
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site_name = SourceSiteEnum.DOUBAN.value
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host = "book.douban.com"
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data_class = Book
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form_class = BookForm
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regex = re.compile(r"https://book.douban.com/subject/\d+/{0,1}")
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def scrape(self, url):
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headers = DEFAULT_REQUEST_HEADERS.copy()
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headers['Host'] = self.host
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content = self.download_page(url, headers)
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# parsing starts here
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try:
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title = content.xpath("/html/body//h1/span/text()")[0].strip()
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except IndexError:
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raise ValueError("given url contains no book info")
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subtitle_elem = content.xpath(
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"//div[@id='info']//span[text()='副标题:']/following::text()")
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subtitle = subtitle_elem[0].strip() if subtitle_elem else None
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orig_title_elem = content.xpath(
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"//div[@id='info']//span[text()='原作名:']/following::text()")
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orig_title = orig_title_elem[0].strip() if orig_title_elem else None
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language_elem = content.xpath(
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"//div[@id='info']//span[text()='语言:']/following::text()")
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language = language_elem[0].strip() if language_elem else None
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pub_house_elem = content.xpath(
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"//div[@id='info']//span[text()='出版社:']/following::text()")
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pub_house = pub_house_elem[0].strip() if pub_house_elem else None
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pub_date_elem = content.xpath(
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"//div[@id='info']//span[text()='出版年:']/following::text()")
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pub_date = pub_date_elem[0].strip() if pub_date_elem else ''
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year_month_day = RE_NUMBERS.findall(pub_date)
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if len(year_month_day) in (2, 3):
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pub_year = int(year_month_day[0])
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pub_month = int(year_month_day[1])
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elif len(year_month_day) == 1:
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pub_year = int(year_month_day[0])
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pub_month = None
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else:
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pub_year = None
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pub_month = None
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if pub_year and pub_month and pub_year < pub_month:
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pub_year, pub_month = pub_month, pub_year
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pub_year = None if pub_year is not None and not pub_year in range(
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0, 3000) else pub_year
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pub_month = None if pub_month is not None and not pub_month in range(
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1, 12) else pub_month
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binding_elem = content.xpath(
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"//div[@id='info']//span[text()='装帧:']/following::text()")
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binding = binding_elem[0].strip() if binding_elem else None
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price_elem = content.xpath(
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"//div[@id='info']//span[text()='定价:']/following::text()")
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price = price_elem[0].strip() if price_elem else None
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pages_elem = content.xpath(
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"//div[@id='info']//span[text()='页数:']/following::text()")
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pages = pages_elem[0].strip() if pages_elem else None
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if pages is not None:
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pages = int(RE_NUMBERS.findall(pages)[
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0]) if RE_NUMBERS.findall(pages) else None
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isbn_elem = content.xpath(
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"//div[@id='info']//span[text()='ISBN:']/following::text()")
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isbn = isbn_elem[0].strip() if isbn_elem else None
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brief_elem = content.xpath(
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"//h2/span[text()='内容简介']/../following-sibling::div[1]//div[@class='intro'][not(ancestor::span[@class='short'])]/p/text()")
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brief = '\n'.join(p.strip()
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for p in brief_elem) if brief_elem else None
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contents = None
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try:
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contents_elem = content.xpath(
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"//h2/span[text()='目录']/../following-sibling::div[1]")[0]
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# if next the id of next sibling contains `dir`, that would be the full contents
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if "dir" in contents_elem.getnext().xpath("@id")[0]:
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contents_elem = contents_elem.getnext()
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contents = '\n'.join(p.strip() for p in contents_elem.xpath(
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"text()")[:-2]) if contents_elem else None
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else:
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contents = '\n'.join(p.strip() for p in contents_elem.xpath(
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"text()")) if contents_elem else None
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except:
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pass
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img_url_elem = content.xpath("//*[@id='mainpic']/a/img/@src")
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img_url = img_url_elem[0].strip() if img_url_elem else None
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raw_img = self.download_image(img_url)
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# there are two html formats for authors and translators
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authors_elem = content.xpath("""//div[@id='info']//span[text()='作者:']/following-sibling::br[1]/
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preceding-sibling::a[preceding-sibling::span[text()='作者:']]/text()""")
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if not authors_elem:
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authors_elem = content.xpath(
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"""//div[@id='info']//span[text()=' 作者']/following-sibling::a/text()""")
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if authors_elem:
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authors = []
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for author in authors_elem:
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authors.append(RE_WHITESPACES.sub(' ', author.strip()))
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else:
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authors = None
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translators_elem = content.xpath("""//div[@id='info']//span[text()='译者:']/following-sibling::br[1]/
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preceding-sibling::a[preceding-sibling::span[text()='译者:']]/text()""")
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if not translators_elem:
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translators_elem = content.xpath(
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"""//div[@id='info']//span[text()=' 译者']/following-sibling::a/text()""")
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if translators_elem:
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translators = []
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for translator in translators_elem:
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translators.append(RE_WHITESPACES.sub(' ', translator.strip()))
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else:
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translators = None
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other = {}
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cncode_elem = content.xpath(
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"//div[@id='info']//span[text()='统一书号:']/following::text()")
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if cncode_elem:
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other['统一书号'] = cncode_elem[0].strip()
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series_elem = content.xpath(
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"//div[@id='info']//span[text()='丛书:']/following-sibling::a[1]/text()")
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if series_elem:
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other['丛书'] = series_elem[0].strip()
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imprint_elem = content.xpath(
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"//div[@id='info']//span[text()='出品方:']/following-sibling::a[1]/text()")
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if imprint_elem:
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other['出品方'] = imprint_elem[0].strip()
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data = {
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'title': title,
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'subtitle': subtitle,
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'orig_title': orig_title,
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'author': authors,
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'translator': translators,
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'language': language,
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'pub_house': pub_house,
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'pub_year': pub_year,
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'pub_month': pub_month,
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'binding': binding,
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'price': price,
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'pages': pages,
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'isbn': isbn,
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'brief': brief,
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'contents': contents,
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'other_info': other,
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'source_site': self.site_name,
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'source_url': self.get_effective_url(url),
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}
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return data, raw_img
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class DoubanMovieScraper(AbstractScraper):
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site_name = SourceSiteEnum.DOUBAN.value
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host = 'movie.douban.com'
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data_class = Movie
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form_class = MovieForm
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regex = re.compile(r"https://movie.douban.com/subject/\d+/{0,1}")
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def scrape(self, url):
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headers = DEFAULT_REQUEST_HEADERS.copy()
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headers['Host'] = self.host
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content = self.download_page(url, headers)
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# parsing starts here
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try:
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raw_title = content.xpath(
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"//span[@property='v:itemreviewed']/text()")[0].strip()
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except IndexError:
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raise ValueError("given url contains no movie info")
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orig_title = content.xpath(
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"//img[@rel='v:image']/@alt")[0].strip()
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title = raw_title.split(orig_title)[0].strip()
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# if has no chinese title
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if title == '':
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title = orig_title
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if title == orig_title:
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orig_title = None
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# there are two html formats for authors and translators
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other_title_elem = content.xpath(
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"//div[@id='info']//span[text()='又名:']/following-sibling::text()[1]")
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other_title = other_title_elem[0].strip().split(
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' / ') if other_title_elem else None
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imdb_elem = content.xpath(
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"//div[@id='info']//span[text()='IMDb链接:']/following-sibling::a[1]/text()")
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imdb_code = imdb_elem[0].strip() if imdb_elem else None
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director_elem = content.xpath(
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"//div[@id='info']//span[text()='导演']/following-sibling::span[1]/a/text()")
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director = director_elem if director_elem else None
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playwright_elem = content.xpath(
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"//div[@id='info']//span[text()='编剧']/following-sibling::span[1]/a/text()")
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playwright = playwright_elem if playwright_elem else None
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actor_elem = content.xpath(
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"//div[@id='info']//span[text()='主演']/following-sibling::span[1]/a/text()")
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actor = actor_elem if actor_elem else None
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# construct genre translator
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genre_translator = {}
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attrs = [attr for attr in dir(MovieGenreEnum) if not '__' in attr]
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for attr in attrs:
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genre_translator[getattr(MovieGenreEnum, attr).label] = getattr(
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MovieGenreEnum, attr).value
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genre_elem = content.xpath("//span[@property='v:genre']/text()")
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if genre_elem:
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genre = []
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for g in genre_elem:
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genre.append(genre_translator[g])
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else:
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genre = None
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showtime_elem = content.xpath(
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"//span[@property='v:initialReleaseDate']/text()")
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if showtime_elem:
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showtime = []
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for st in showtime_elem:
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parts = st.split('(')
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if len(parts) == 1:
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time = st.split('(')[0]
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region = ''
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else:
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time = st.split('(')[0]
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region = st.split('(')[1][0:-1]
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showtime.append({time: region})
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else:
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showtime = None
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site_elem = content.xpath(
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"//div[@id='info']//span[text()='官方网站:']/following-sibling::a[1]/@href")
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site = site_elem[0].strip() if site_elem else None
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area_elem = content.xpath(
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"//div[@id='info']//span[text()='制片国家/地区:']/following-sibling::text()[1]")
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if area_elem:
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area = [a.strip() for a in area_elem[0].split(' / ')]
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else:
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area = None
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language_elem = content.xpath(
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"//div[@id='info']//span[text()='语言:']/following-sibling::text()[1]")
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if language_elem:
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language = [a.strip() for a in language_elem[0].split(' / ')]
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else:
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language = None
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year_elem = content.xpath("//span[@class='year']/text()")
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year = int(year_elem[0][1:-1]) if year_elem else None
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duration_elem = content.xpath("//span[@property='v:runtime']/text()")
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other_duration_elem = content.xpath(
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"//span[@property='v:runtime']/following-sibling::text()[1]")
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if duration_elem:
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duration = duration_elem[0].strip()
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if other_duration_elem:
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duration += other_duration_elem[0].rstrip()
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else:
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duration = None
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season_elem = content.xpath(
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"//*[@id='season']/option[@selected='selected']/text()")
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if not season_elem:
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season_elem = content.xpath(
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"//div[@id='info']//span[text()='季数:']/following-sibling::text()[1]")
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season = int(season_elem[0].strip()) if season_elem else None
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else:
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season = int(season_elem[0].strip())
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episodes_elem = content.xpath(
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"//div[@id='info']//span[text()='集数:']/following-sibling::text()[1]")
|
|
episodes = int(episodes_elem[0].strip()) if episodes_elem else None
|
|
|
|
single_episode_length_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='单集片长:']/following-sibling::text()[1]")
|
|
single_episode_length = single_episode_length_elem[0].strip(
|
|
) if single_episode_length_elem else None
|
|
|
|
# if has field `episodes` not none then must be series
|
|
is_series = True if episodes else False
|
|
|
|
brief_elem = content.xpath("//span[@class='all hidden']")
|
|
if not brief_elem:
|
|
brief_elem = content.xpath("//span[@property='v:summary']")
|
|
brief = '\n'.join([e.strip() for e in brief_elem[0].xpath(
|
|
'./text()')]) if brief_elem else None
|
|
|
|
img_url_elem = content.xpath("//img[@rel='v:image']/@src")
|
|
img_url = img_url_elem[0].strip() if img_url_elem else None
|
|
raw_img = self.download_image(img_url)
|
|
|
|
data = {
|
|
'title': title,
|
|
'orig_title': orig_title,
|
|
'other_title': other_title,
|
|
'imdb_code': imdb_code,
|
|
'director': director,
|
|
'playwright': playwright,
|
|
'actor': actor,
|
|
'genre': genre,
|
|
'showtime': showtime,
|
|
'site': site,
|
|
'area': area,
|
|
'language': language,
|
|
'year': year,
|
|
'duration': duration,
|
|
'season': season,
|
|
'episodes': episodes,
|
|
'single_episode_length': single_episode_length,
|
|
'brief': brief,
|
|
'is_series': is_series,
|
|
'source_site': self.site_name,
|
|
'source_url': self.get_effective_url(url),
|
|
}
|
|
return data, raw_img
|
|
|
|
|
|
class DoubanAlbumScraper(AbstractScraper):
|
|
site_name = SourceSiteEnum.DOUBAN.value
|
|
host = 'music.douban.com'
|
|
data_class = Album
|
|
form_class = AlbumForm
|
|
|
|
regex = re.compile(r"https://music.douban.com/subject/\d+/{0,1}")
|
|
|
|
def scrape(self, url):
|
|
headers = DEFAULT_REQUEST_HEADERS.copy()
|
|
headers['Host'] = self.host
|
|
content = self.download_page(url, headers)
|
|
|
|
# parsing starts here
|
|
try:
|
|
title = content.xpath("//h1/span/text()")[0].strip()
|
|
except IndexError:
|
|
raise ValueError("given url contains no album info")
|
|
if not title:
|
|
raise ValueError("given url contains no album info")
|
|
|
|
|
|
artists_elem = content.xpath("""//div[@id='info']/span/span[@class='pl']/a/text()""")
|
|
artist = None if not artists_elem else artists_elem
|
|
|
|
genre_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='流派:']/following::text()[1]")
|
|
genre = genre_elem[0].strip() if genre_elem else None
|
|
|
|
date_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='发行时间:']/following::text()[1]")
|
|
release_date = dateparser.parse(date_elem[0].strip(), settings={
|
|
'PREFER_DAY_OF_MONTH': 'first'}) if date_elem else None
|
|
|
|
company_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='出版者:']/following::text()[1]")
|
|
company = company_elem[0].strip() if company_elem else None
|
|
|
|
track_list_elem = content.xpath(
|
|
"//div[@class='track-list']/div[@class='indent']/div/text()"
|
|
)
|
|
if track_list_elem:
|
|
track_list = '\n'.join([track.strip() for track in track_list_elem])
|
|
else:
|
|
track_list = None
|
|
|
|
brief_elem = content.xpath("//span[@class='all hidden']")
|
|
if not brief_elem:
|
|
brief_elem = content.xpath("//span[@property='v:summary']")
|
|
brief = '\n'.join([e.strip() for e in brief_elem[0].xpath(
|
|
'./text()')]) if brief_elem else None
|
|
|
|
other_info = {}
|
|
other_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='又名:']/following-sibling::text()[1]")
|
|
if other_elem:
|
|
other_info['又名'] = other_elem[0].strip()
|
|
other_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='专辑类型:']/following-sibling::text()[1]")
|
|
if other_elem:
|
|
other_info['专辑类型'] = other_elem[0].strip()
|
|
other_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='介质:']/following-sibling::text()[1]")
|
|
if other_elem:
|
|
other_info['介质'] = other_elem[0].strip()
|
|
other_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='ISRC:']/following-sibling::text()[1]")
|
|
if other_elem:
|
|
other_info['ISRC'] = other_elem[0].strip()
|
|
other_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='条形码:']/following-sibling::text()[1]")
|
|
if other_elem:
|
|
other_info['条形码'] = other_elem[0].strip()
|
|
other_elem = content.xpath(
|
|
"//div[@id='info']//span[text()='碟片数:']/following-sibling::text()[1]")
|
|
if other_elem:
|
|
other_info['碟片数'] = other_elem[0].strip()
|
|
|
|
img_url_elem = content.xpath("//div[@id='mainpic']//img/@src")
|
|
img_url = img_url_elem[0].strip() if img_url_elem else None
|
|
raw_img = self.download_image(img_url)
|
|
|
|
data = {
|
|
'title': title,
|
|
'artist': artist,
|
|
'genre': genre,
|
|
'release_date': release_date,
|
|
'duration': None,
|
|
'company': company,
|
|
'track_list': track_list,
|
|
'brief': brief,
|
|
'other_info': other_info,
|
|
'source_site': self.site_name,
|
|
'source_url': self.get_effective_url(url),
|
|
}
|
|
return data, raw_img
|