163 lines
6.7 KiB
Python
163 lines
6.7 KiB
Python
import requests
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import random
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from lxml import html
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import re
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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': 'book.douban.com',
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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': 'max-age=0',
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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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USERNAME = '***REMOVED***'
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PASSWORD = '***REMOVED***'
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PORT = 22225
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def scrape_douban_book(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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(USERNAME, session_id, 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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# r = requests.get(url, proxies=proxies, headers=DEFAULT_REQUEST_HEADERS, timeout=TIMEOUT)
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r = requests.get(url, headers=DEFAULT_REQUEST_HEADERS, timeout=TIMEOUT)
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content = html.fromstring(r.content.decode('utf-8'))
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title = content.xpath("/html/body/div[3]/h1/span/text()")[0].strip()
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subtitle_elem = content.xpath("//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("//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("//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("//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("//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 None
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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(0, 3000) else pub_year
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pub_month = None if pub_month is not None and not pub_month in range(1, 12) else pub_month
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binding_elem = content.xpath("//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("//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("//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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pages = int(RE_NUMBERS.findall(pages)[0]) if RE_NUMBERS.findall(pages) else None
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isbn_elem = content.xpath("//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("//h2/span[text()='内容简介']/../following-sibling::div[1]//div[@class='intro']/p/text()")
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brief = '\n'.join(p.strip() for p in brief_elem) if brief_elem else None
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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 = None
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if img_url:
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img_response = requests.get(
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img_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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# 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("""//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("""//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("//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("//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("//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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'other_info' : other
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}
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return data, raw_img
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