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Yuukiy
115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
"""从FC2官网抓取数据"""
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import os
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import sys
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import logging
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sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
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from web.base import get_html, request_get
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from core.config import cfg
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from core.datatype import MovieInfo
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logger = logging.getLogger(__name__)
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base_url = 'https://adult.contents.fc2.com'
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def strftime_to_minutes(s):
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"""将HH:MM:SS或MM:SS的时长转换为分钟数返回
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Args:
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s (str): HH:MM:SS or MM:SS
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Returns:
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[int]: 取整后的分钟数
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"""
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items = list(map(int, s.split(':')))
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if len(items) == 2:
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minutes = items[0] + round(items[1]/60)
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elif len(items) == 3:
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minutes = items[0] * 60 + items[1] + round(items[2]/60)
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else:
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logger.error(f"无法将字符串'{s}'转换为分钟")
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return
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return minutes
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def get_movie_score(fc2_id):
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"""通过评论数据来计算FC2的影片评分（10分制），无法获得评分时返回None"""
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html = get_html(f'{base_url}/article/{fc2_id}/review')
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review_tags = html.xpath("//ul[@class='items_comment_headerReviewInArea']/li")
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reviews = {}
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for tag in review_tags:
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score = int(tag.xpath("div/span/text()")[0])
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vote = int(tag.xpath("span")[0].text_content())
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reviews[score] = vote
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total_votes = sum(reviews.values())
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if (total_votes >= 2): # 至少也该有两个人评价才有参考意义一点吧
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summary = sum([k*v for k, v in reviews.items()])
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final_score = summary / total_votes * 2 # 乘以2转换为10分制
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return final_score
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def parse_data(movie: MovieInfo):
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"""解析指定番号的影片数据"""
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# 去除番号中的'FC2'字样
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id_uc = movie.dvdid.upper()
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if not id_uc.startswith('FC2-'):
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raise ValueError('Invalid FC2 number: ' + movie.dvdid)
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fc2_id = id_uc.replace('FC2-', '')
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# 抓取网页
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url = f'{base_url}/article/{fc2_id}/'
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html = get_html(url)
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try:
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container = html.xpath("//div[@class='items_article_left']")[0]
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except IndexError:
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logger.debug('无影片: ' + movie.dvdid)
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return
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title = container.xpath("//div[@class='items_article_headerInfo']/h3/text()")[0]
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thumb_tag = container.xpath("//div[@class='items_article_MainitemThumb']")[0]
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thumb_pic = thumb_tag.xpath("span/img/@src")[0]
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duration_str = thumb_tag.xpath("span/p[@class='items_article_info']/text()")[0]
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# FC2没有制作商和发行商的区分，作为个人市场，影片页面的'by'更接近于制作商
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producer = container.xpath("//li[text()='by ']/a/text()")[0]
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genre = container.xpath("//a[@class='tag tagTag']/text()")
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date_str = container.xpath("//div[@class='items_article_Releasedate']/p/text()")[0]
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publish_date = date_str[-10:].replace('/', '-') # '販売日 : 2017/11/30'
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preview_pics = container.xpath("//ul[@data-feed='sample-images']/li/a/@href")
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if cfg.Crawler.hardworking_mode:
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# 通过评论数据来计算准确的评分
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score = get_movie_score(fc2_id)
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if score:
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movie.score = f'{score:.2f}'
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# 预览视频是动态加载的，不在静态网页中
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desc_frame_url = container.xpath("//section[@class='items_article_Contents']/iframe/@src")[0]
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key = desc_frame_url.split('=')[-1] # /widget/article/718323/description?ac=60fc08fa...
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api_url = f'{base_url}/api/v2/videos/{fc2_id}/sample?key={key}'
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r = request_get(api_url).json()
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movie.preview_video = r['path']
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else:
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# 获取影片评分。影片页面的评分只能粗略到星级，且没有分数，要通过类名来判断，如'items_article_Star5'表示5星
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score_tag_attr = container.xpath("//a[@class='items_article_Stars']/p/span/@class")[0]
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score = int(score_tag_attr[-1]) * 2
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movie.score = f'{score:.2f}'
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movie.dvdid = id_uc
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movie.url = url
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movie.title = title
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movie.genre = genre
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movie.producer = producer
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movie.duration = str(strftime_to_minutes(duration_str))
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movie.publish_date = publish_date
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movie.preview_pics = preview_pics
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# FC2的封面是220x220的，和正常封面尺寸、比例都差太多。如果有预览图片，则使用第一张预览图作为封面
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if movie.preview_pics:
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movie.cover = preview_pics[0]
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else:
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movie.cover = thumb_pic
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if __name__ == "__main__":
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logger.setLevel(logging.DEBUG)
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movie = MovieInfo('FC2-718323')
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parse_data(movie)
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print(movie) |