def parse_post(self, response):
post = PostItem(
title=response.css('.title::text').extract_first(),
category='-'.join(response.css('.cate a::text').extract()).replace(
'\t', '').replace('\n', ''),
update_time=response.css('.update-time i::text').extract_first(),
play_counts=response.css(
'.play-counts::text').extract_first().replace(',', ''),
like_counts=response.css(
'.like-counts::text').extract_first().replace(',', ''),
tags=', '.join(response.css('.tag-wrapper a::text').extract()),
description=response.css(
'.filmplay-info-desc p::text').extract_first())
# 解析视频信息
vid, = re.findall(r'var vid = "(\w+)";?', response.text)
post['vid'] = vid
app_key, = re.findall(r'var modeServerAppKey = "(\w+)";?',
response.text)
url_format = 'http://openapi-vtom.vmovier.com/v3' \
'/video/%s?expand=resource&usage=xpc_web&appKey=%s'
# https://openapi-vtom.vmovier.com/v3/video/5F0C33F784BB4?expand=resource&usage=xpc_web&appKey=61a2f329348b3bf77
url = url_format % (vid, app_key)
request = Request(url=url, callback=self.parse_video)
request.meta['post'] = post
yield request
# 解析评论信息
# https://app.xinpianchang.com/comments?resource_id=10847731&type=article
resource_id, = re.findall(r"article_id: '(\d+)'", response.text)
url_format = 'http://app.xinpianchang.com/comments?resource_id=%s&type=article&page=1'
url = url_format % resource_id
request = Request(url, callback=self.parse_comment)
yield request
def parse_post(self, response):
post = PostItem()
post['pid'] = response.meta['pid']
post['thumbnail'] = response.meta['thumbnail']
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').get()
post['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').get()
post['video'] = response.xpath('//video[@id="xpc_video"]/@src').get()
post['video_format'] = '' #response.xpath('').get()
post['category'] = response.xpath(
'//span[@class="cate v-center"]/text()').get()
post['created_at'] = response.xpath(
'//span[contains(@class,"update-time")]/i/text()').get()
post['play_counts'] = response.xpath(
'//i[contains(@class,"play-counts")]/@data-curplaycounts').get()
post['like_counts'] = response.xpath(
'//span[contains(@class,"like-counts")]/@data-counts').get()
post['description'] = response.xpath(
'//p[contains(@class, "desc")]/text()').get()
yield post
request = Request(comment_api % (post['pid'], 1),
callback=self.parse_comment)
request.meta['pid'] = post['pid']
request.meta['cur_page'] = 1
yield request
def parse_post(self, response):
"""解析视频详情页"""
# 取出上一个函数传递的参数
pid = response.meta['pid']
post = PostItem()
post['pid'] = pid
# 缩略图
post['thumbnail'] = response.meta['thumbnail']
# 标题
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').extract_first()
# 分类信息
cates = response.xpath(
'//span[contains(@class, "cate")]/a/text()').extract()
post['category'] = '-'.join([cate.strip() for cate in cates])
# 发布时间
post['created_at'] = response.xpath(
'//span[contains(@class, "update-time")]/i/text()').get()
# 播放次数
post['play_counts'] = response.xpath(
'//i[contains(@class, "play-counts")]/@data-curplaycounts').get()
# 点赞次数
post['like_counts'] = response.xpath(
'//span[contains(@class, "like-counts")]/@data-counts').get()
# 描述信息
post['description'] = strip(
response.xpath('//p[contains(@class, "desc")]/text()').get())
# 提取视频的vid,这个是请求视频源文件地址的关键参数
vid, = re.findall(r'vid: \"(\w+)\",', response.text)
# 请求视频信息接口，把vid参数代入进去
video_url = 'https://openapi-vtom.vmovier.com/v3/video/%s?expand=resource,resource_origin?'
request = Request(video_url % vid, callback=self.parse_video)
request.meta['post'] = post
yield request
# 请求评论接口，注意ajax=1时返回Html，=0或者不写时返回json
comment_url = 'http://www.xinpianchang.com/article/filmplay/ts-getCommentApi?id=%s&ajax=0&page=1'
request = Request(comment_url % pid, callback=self.parse_comment)
yield request
# 请求用户页面
composer_url = 'http://www.xinpianchang.com/u%s?from=articleList'
# 选择出所有的包含作者信息的节点
composer_list = response.xpath(
'//div[@class="user-team"]//ul[@class="creator-list"]/li')
for composer in composer_list:
# 作者ID
cid = composer.xpath('./a/@data-userid').get()
request = Request(composer_url % cid, callback=self.parse_composer)
request.meta['cid'] = cid
yield request
# 保存作者和视频之间的对应关系
cr = CopyrightItem()
# 用cid和Pid组合起来作为主键
cr['pcid'] = '%s_%s' % (cid, pid)
cr['cid'] = cid
cr['pid'] = pid
# 不同作者在不同作品里担任的角色也不一样，所以也要保存起来
cr['roles'] = composer.xpath(
'.//span[contains(@class, "roles")]/text()').get()
yield cr
def parse_post(self, response):
post = PostItem()
pid = response.meta['pid']
post['pid'] = pid
# 视频标题
post['title'] = response.xpath(
'//h3[contains(@class, "title")]/text()').extract_first()
# 缩略图
post['thumbnail'] = response.meta['thumbnail']
# 分类
cates = response.xpath(
'//span[contains(@class, "cate")]//text()').extract()
post['category'] = ''.join([strip(cate) for cate in cates])
# 创建时间
post['created_at'] = response.xpath(
'//span[contains(@class, "update-time")]/i/text()').get()
# 播放次数
post['play_counts'] = response.xpath(
'//i[contains(@class, "play-counts")]/@data-curplaycounts').get()
# 点赞次数
post['like_counts'] = response.xpath(
'//span[contains(@class, "like-counts")]/@data-counts').get()
# 介绍
post['description'] = strip(
response.xpath('//p[contains(@class, "desc")]/text()').get())
video_url = 'https://openapi-vtom.vmovier.com/v3/video/%s?expand=resource&usage=xpc_web'
vid, = re.findall(r'vid: \"(\w+)\"', response.text)
post['vid'] = vid
req = Request(video_url % vid, callback=self.parse_video)
req.meta['post'] = post
yield req
comment_url = 'https://app.xinpianchang.com/comments?resource_id=%s&type=article&page=1' % pid
req = Request(comment_url, callback=self.parse_comments)
yield req
# 爬取用户页面
# composer_urls = response.xpath('//div[@class="user-team"]//ul[@class="creator-list"]/li/a/@href').extract()
composers = response.xpath(
'//div[@class="user-team"]//ul[@class="creator-list"]/li')
for composer in composers:
cid = composer.xpath('./a/@data-userid').get()
req = response.follow(composer.xpath('./a/@href').get(),
callback=self.parse_composer)
# 不跟踪此页面的cookie，以防止visit_userid_10043764这样的cookie泛滥
req.meta['dont_merge_cookies'] = True
yield req
# 获取作品与作者的对应关系
cr = CopyrightItem()
cr['pcid'] = '%s-%s' % (pid, cid)
cr['pid'] = pid
cr['cid'] = cid
cr['roles'] = composer.xpath(
'.//span[contains(@class, "roles")]/text()').get()
yield cr
def parse_post(self, response):
# print("2222222222222@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@2")
# print(response.text) #网页源代码
post = PostItem()
pid = response.meta['pid']
post['pid'] = pid
post['thumbnail'] = response.meta['thumbnail']
minutes, seconds, *_ = response.meta['duration'].split("'")
post['duration'] = int(minutes) * 60 + int(seconds)
post['video'] = response.xpath('//video[@id="xpc_video"]/@src').get()
# 预览图片
post['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').extract_first()
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').get()
# 所属类别(多个)
cates = response.xpath(
'//span[contains(@class, "cate")]/a/text()').extract()
post['category'] = '-'.join([strip(cate) for cate in cates])
post['created_at'] = response.xpath(
'//span[contains(@class, "update-time")]/i/text()').get()
post['play_counts'] = response.xpath(
'//i[contains(@class, "play-counts")]/@data-curplaycounts').get()
post['like_counts'] = response.xpath(
'//span[contains(@class, "like-counts")]/@data-counts').get()
post['description'] = strip(
response.xpath('//p[contains(@class, "desc")]/text()').get())
yield post
creator_list = response.xpath(
'//div[contains(@class, "filmplay-creator")]/ul/li')
# 作者详情页面
url = 'http://www.xinpianchang.com/u%s?from=articleList'
for creator in creator_list:
# print('++++++++++++',creator, "++++++++++++++++++")
#<Selector xpath='//div[contains(@class, "filmplay-creator")]/ul/li'
# data='<li>\n\t\t\t\t<a href="/u10081750?from=articl'>
cid = creator.xpath('./a/@data-userid').get()
request = Request(url % cid, callback=self.parse_composer)
request.meta['cid'] = cid
yield request
cr = CopyrightItem()
cr['pcid'] = '%s_%s' % (cid, pid)
cr['cid'] = cid
cr['pid'] = pid
cr['roles'] = creator.xpath(
'//span[contains(@class, "roles")]/text()').get()
# print("333333333333333######################################################################################################")
yield cr
# 评论页面
comment_url = 'http://www.xinpianchang.com/article/filmplay/ts-getCommentApi?id=%s&ajax=0&page=1'
request = Request(comment_url % pid, callback=self.parse_comment)
request.meta['pid'] = pid
yield request
def parse_detail(self, response):
postitem = PostItem()
#视频的id
postitem['pid'] = response.meta['post_id']
#视频的标题
postitem['title'] = response.meta['title']
#视频的小缩略图
postitem['thumbnail'] = response.meta['thumbnail']
#视频的大图
postitem['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').extract_first()
#视频的地址
video_url = response.xpath('//a[@id="player"]/@href').get()
if video_url:
video_url = video_url[2:]
postitem['video'] = video_url
#这个是视频的格式
video_format = str(video_url).split('.')[-1]
postitem['video_format'] = video_format
#这个是视频的分类
category = response.xpath(
'//div[contains(@class,"filmplay-intro")]/span/text()').get()
postitem['category'] = category
#这个是视频创建时间
created_at = response.xpath(
'//span[contains(@class,"update-time")]/i/text()').get()
postitem['created_at'] = created_at
#这个是视频的播放次数
play_counts = response.xpath(
'//i[contains(@class,"play-counts")]/text()').get()
postitem['play_counts'] = num_to_int(play_counts)
#视频的喜爱次数
like_counts = response.xpath(
'//span[contains(@class,"like-counts")]/text()').get()
postitem['like_counts'] = num_to_int(like_counts)
#视频的描述
description = response.xpath(
'//p[contains(@class,"desc")]/text()').get()
postitem['description'] = description
yield postitem
#把去往作者详情的链接提取出来,然后yield到相应的方法上面去
composers = response.xpath('//a[@class="head-wrap"]')
for one in composers:
composer_url = one.xpath('./@href').get()
crequest = scrapy.Request('http://www.xinpianchang.com' +
composer_url,
callback=self.parse_composer)
crequest.meta['composer_id'] = one.xpath('./@data-userid').get()
yield crequest
#把这篇文章的评论解析出来,跳转到评论方法上
request = scrapy.Request(comment_api % (1, postitem['pid']),
callback=self.parse_comment)
request.meta['pid'] = postitem['pid']
request.meta['page'] = 1
yield request
def parse_post(self, response):
post = PostItem()
# 将所有数据爬取
post['pid'] = response.meta['pid']
post['thumbnail'] = response.meta['thumbnail']
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').get()
post['video'] = response.xpath('//video[@id="xpc_video"]/@src').get()
post['video_format'] = ''
#预览图
post['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').get()
# 类别
post['category'] = response.xpath(
'//span[@class="cate v-center"]/text()').get()
post['created_at'] = response.xpath(
'//span[contains(@class,"update-time")]/i/text()').get()
post['play_counts'] = ci(
response.xpath(
'//i[contains(@class,"play-counts")]/@data-curplaycounts').get(
))
post['like_counts'] = ci(
response.xpath(
'//span[contains(@class,like-counts)]/@data-counts').get())
post['description'] = response.xpath(
'//p[contains(@class,"desc")]/text()').get()
yield post
creator_list = response.xpath(
'//div[contains(@class,"filmplay-creator")]/ul[@class="creator-list"]/li'
)
for creator in creator_list:
user_page = creator.xpath('./a/@href').get()
user_id = creator.xpath('./a/@data-userid').get()
request = Request('%s%s' % (self.root_url, user_page),
callback=self.parse_composer)
request.meta['cid'] = user_id
yield request
cr = CopyrightItem()
cr['pid'] = response.meta['pid']
cr['cid'] = user_id
cr['pcid'] = '%s_%s' % (cr['pid'], cr['cid'])
cr['roles'] = creator.xpath(
'.//span[contains(@class,"roles")]/text()').get()
yield cr
# 将post['pid']作为参数传入comment_api中 指定page参数为1，回调函数为self.parse_comment
request = Request(comment_api % post['pid'],
callback=self.parse_comment)
request.meta['pid'] = post['pid']
# request.meta['cur_page'] = 1
yield request
def parse_post(self, response):
post = PostItem()
post['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').extract_first()
post['pid'] = response.meta['pid']
post['thumbnail'] = response.meta['thumbnail'] # 图片
post['video'] = response.xpath(
'//video[@id="xpc_video"]/@src').get() # 视频链接
post['title'] = response.xpath(
'//*[@class="title-wrap"]/h3/text()').get() # 标题
post['category'] = response.xpath(
'//*[@class="cate v-center"]/text()').get()
vf = response.xpath('//*[@class="video-format v-center"]/text()').get()
post['video_format'] = vf.strip() if vf else ""
post['created_at'] = response.xpath(
'//*[@class="update-time v-center"]//text()').get()
post['play_counts'] = response.xpath(
'//i[contains(@class,"play-counts")]/text()').get().replace(
',', '')
post['like_counts'] = response.xpath(
'//span[contains(@class,"like-counts")]/text()').get().replace(
',', '')
post['description'] = response.xpath(
'//p[contains(@class,"desc")]/text()').get() or ''
yield post
self.logger.info('scraped post(%s): %s' % (post['pid'], post['title']))
# 视频与导演,一对多的关系
compose_url = "http://www.xinpianchang.com/u%s"
composer_list = response.xpath(
'//div[@class="user-team"]//ul[@class="creator-list"]/li')
for composer in composer_list:
cid = composer.xpath('./a/@data-userid').get()
copyright = {
'pcid':
'%s_%s' % (post['pid'], cid),
'pid':
post['pid'],
'cid':
cid,
'roles':
composer.xpath(
'.//span[contains(@class,"roles")]/text()').get()
}
yield CopyrightItem(copyright)
request = Request(compose_url % cid, callback=self.parse_composer)
request.meta['cid'] = cid
yield request
comment_api = "http://www.xinpianchang.com/article/filmplay/ts-getCommentApi?id=%s&page=1"
yield response.follow(comment_api % post['pid'],
callback=self.parse_comment)
def parse_post(self, response):
pid = response.meta['pid']
post = PostItem(pid=pid)
post['thumbnail'] = response.meta['thumbnail']
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').get() #get()==extract()
vid, = re.findall('vid: \"(\w+)\"\,', response.text)
video_url = 'https://openapi-vtom.vmovier.com/v3/video/%s?expand=resource&usage=xpc_web'
post['category'] = ''.join([
_.strip() for _ in response.xpath(
'//span[contains(@class,"cate")]//text()').extract()
])
post['created_at'] = response.xpath(
'//span[contains(@class,"update-time")]/i/text()').get()
post['play_counts'] = convert_int(
response.xpath('//i[contains(@class,"play-count")]/text()').get())
post['like_counts'] = convert_int(
response.xpath(
'//span[contains(@class,"like-counts")]/text()').get())
post['description'] = strip(
response.xpath('//p[contains(@class, "desc")]/text()').get())
#多了一步视频地址请求
request = Request(video_url % vid, callback=self.parse_video)
request.meta['post'] = post # 传post给parse_video()
yield request #???不明白
# request即为<GET https://openapi-vtom.vmovier.com/v3/video/5EDE53C61C155?expand=resource&usage=xpc_web>
comment_url = 'https://app.xinpianchang.com/comments?resource_id=%s&type=article&page=1&per_page=24'
request = Request(comment_url % pid, callback=self.parse_comment)
request.meta['pid'] = pid
yield request
creator_list = response.xpath('//div[@class="creator-info"]')
for creator in creator_list:
c_url, = creator.xpath('./a/@href').extract()
cid, = re.findall('\/u(\d+)\?', c_url)
request = response.follow('https://www.xinpianchang.com' + c_url,
self.parse_composer)
request.meta['cid'] = cid
request.meta['dont_merge_cookies'] = True
yield request
cr = CopyrightItem()
cr['pcid'] = '%s_%s' % (pid, cid)
cr['pid'] = pid
cr['roles'] = creator.xpath(
'./a/following-sibling::span[1]/text()').get()
yield cr
def parse_post(self, response): #视频函数
post = PostItem()
post['pid'] = response.meta['pid'] #从请求中获取视频的id
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').get()
post['thumbnail'] = response.meta['thumbnail']
post['video_format'] = ''
post['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').get()
post['category'] = response.xpath(
'//span[@class="cate v-center"]/text()').get() #视频的分类
post['video'] = response.xpath(
'//video[@id="xpc_video"]/@src').get() #视频的地址
post['play_counts'] = convert_int(
response.xpath(
'//i[contains(@class,"play-counts")]/@data-curplaycounts').get(
)) #视频的播放次数，将其转换为整形
post['like_counts'] = convert_int(
response.xpath(
'//span[contains(@class,"like-counts")]/@data-counts').get()
) #视频的点赞次数，并讲其转换为整形
post['description'] = response.xpath(
'//p[contains(@class,"desc")]/text()').get() #获取视频的描述
post['created_at'] = response.xpath(
'//span[contains(@class,"update-time")]/i/text()').get() #视频的创建时间
yield post
creator_list = response.xpath(
'//div[contains(@class,"filmplay-creator")]/ul[@class="creator-list"]/li'
) #获取作者列表
for creator in creator_list:
user_page = creator.xpath('./a/@href').get() #获取作者的主页地址
user_id = creator.xpath('./a/@data-userid').get() #获取作者的ID
request = Request('%s%s' % (self.root_url, user_page),
callback=self.parse_composer) #拼接路径，访问作者的主页
request.meta['cid'] = user_id
yield request
cr = CopyrightItem()
cr['pid'] = response.meta['pid']
cr['cid'] = user_id
cr['pcid'] = '%s_%s' % (cr['pid'], cr['cid']) #作者ID与视频ID相关联起来
cr['roles'] = creator.xpath(
'./div[@class="creator-info"]/span/text()').get() #获取作者的职务
yield cr
request = Request(comment_api % post['pid'],
callback=self.parse_comment)
request.meta['pid'] = post['pid']
yield request
def parse_post(self, response):
pid = response.meta['pid']
post = PostItem()
post['pid'] = pid
post['thumbnail'] = response.meta['thumbnail']
# post["video"] = response.xpath("//video[@id='xpc_video']/@src").extract_first()
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').extract_first()
cates = response.xpath(
'//span[contains(@class, "cate")]/a/text()').extract()
post['category'] = '-'.join([cate.strip() for cate in cates])
post['created_at'] = response.xpath(
'//span[contains(@class, "update-time")]/i/text()').get()
post['play_counts'] = response.xpath(
'//i[contains(@class, "play-counts")]/@data-curplaycounts').get()
post['like_counts'] = response.xpath(
'//span[contains(@class, "like-counts")]/@data-counts').get()
post['description'] = strip(response.xpath(
'//p[contains(@class, "desc")]/text()').get())
vid, = re.findall(r'vid: \"(\w+)\",',response.text)
video_url = 'https://openapi-vtom.vmovier.com/v3/video/%s?expand=resource,resource_origin?'
request = Request(video_url % vid,callback=self.parse_video)
request.meta['post'] = post
yield request
#评论信息
comment_url = 'http://www.xinpianchang.com/article/filmplay/ts-getCommentApi?id=%s&ajax=0&page=1'
request = Request(comment_url % pid,callback=self.parse_comment)
yield request
comment_url = 'http://www.xinpianchang.com/u%s?from=articleList'
composer_list = response.xpath('//div[@class="user-team"]//ul[@class="creator-list"]/li')
for composer in composer_list:
cid = composer.xpath('./a/@data-userid').get()
request = Request(composer_url % cid, callback=self.parse_composer)
request.meta['cid'] = cid
yield request
cr = CopyrightItem()
cr['pcid'] = '%s_%s' % (cid, pid)
cr['cid'] = cid
cr['pid'] = pid
cr['roles'] = composer.xpath('.//span[contains(@class,"roles")]/text()').get()
yield cr
def parse_post(self, response):
pid = response.meta['pid']
post = PostItem(pid=pid)
post['thumbnail'] = response.meta['thumbnail']
post['title'] = response.xpath('//div[@class="title-wrap"]/h3/text()').get()
# 由于视频的地址也是动态加载的，分析请求方式后发现请求url
# 使用shell测试后得出正则表达式获取一个list形式返回的vid因此加逗号获取
vid, = re.findall('vid: \"(\w+)",',response.text)
video_url = 'https://openapi-vtom.vmovier.com/v3/video/%s?expand=resource&usage=xpc_web'
# cates = response.xpath('//span[contains(@class,"cate v-center")]//text()').extract()
post['category'] = response.xpath('normalize-space(string(//span[@class="cate v-center"]))').extract()
post['created_at'] = response.xpath('//span[@class="update-time v-center"]/i/text()').get()
post['play_counts'] = convert_int(response.xpath('//i[contains(@class,"play-counts")]/@data-curplaycounts').get())
post['like_counts'] = convert_int(response.xpath('//span[contains(@class,"like-counts")]/@data-counts').get())
post['description'] = response.xpath('normalize-space(string(//p[contains(@class,"desc")]))').get()
# post[''] = response.xpath('').get()
# post[''] = response.xpath('').get()
# post[''] = response.xpath('').get()
# post[''] = response.xpath('').get()
request = Request(video_url % vid, callback=self.parse_video) # 解析视频接口模块回调该视频请求url，不是视频地址，里面包含了视频地址
request.meta['post'] = post # 通过meta把包含title信息的post传递出去
yield request
# 设置页面评论部分的url
comment_url = 'https://app.xinpianchang.com/comments?resource_id=%s&type=article&page=1&per_page=24'
request = Request(comment_url % pid, callback=self.parse_comment)
request.meta['pid'] = pid
yield request
# 获取制作人信息
creator_list = response.xpath('//div[@class="filmplay-creator right-section"]/ul/li')
composer_url = 'https://www.xinpianchang.com/u%s?from=articleList'
for creator in creator_list:
cid = creator.xpath('./a/@data-userid').get()
request = response.follow(composer_url % cid, self.parse_composer)
request.meta['cid'] = cid
request.meta['dont_merge_cookies'] = True
yield request
cr = CopyrightItem()
cr['pcid'] = '%s_%s' % (pid, cid)
cr['pid'] = pid
cr['cid'] = cid
cr['roles'] = creator.xpath('./div[@class="creator-info"]/span/text()').get()
yield cr
def parse_post(self, response):
# 提取作品信息
post = PostItem()
post['pid'] = response.meta['pid']
post['title'] = response.xpath('//div[@class="title-wrap"]/h3/text()').extract_first()
post['thumbnail'] = response.meta['thumbnail']
post['preview'] = strip(response.xpath('//div[@class="filmplay"]//img/@src').extract_first())
video = response.xpath('//video[@id="xpc_video"]/@src') or response.xpath('//div[@class="td-player"]//video/@src')
post['video'] = video.extract_first()
post['video_format'] = strip(response.xpath('//span[contains(@class, "video-format")]/text()').extract_first())
duration = response.meta['duration']
if duration:
# 将播放时长由文本格式（比如：19:00）转换为int秒
duration = [int(i) for i in duration.replace("'", "").split(' ')]
post['duration'] = duration[0] * 60 + duration[1]
post['category'] = response.xpath('//span[@class="cate v-center"]/text()').extract_first()
post['created_at'] = response.xpath('//span[contains(@class,"update-time")]/i/text()').extract_first()
post['play_counts'] = ci(response.xpath('//i[contains(@class,"play-counts")]/@data-curplaycounts').extract_first())
post['like_counts'] = ci(response.xpath('//i[contains(@class,"like-counts")]/@data-counts').extract_first())
post['description'] = strip(response.xpath('//p[contains(@class,"desc")]/text()').extract_first(default=''))
yield post
# 抓取评论
comment_api = 'http://www.xinpianchang.com/article/filmplay/ts-getCommentApi/id-%s/page-1'
request = Request(comment_api % (post['pid']), callback=self.parse_comment)
yield request
composer_url = 'http://www.xinpianchang.com/u%s'
composers = []
for elem in response.xpath('//div[@class="user-team"]//ul[@class="creator-list"]/li'):
cid = elem.xpath('.//a[@class="head-wrap"]/@data-userid').extract_first()
# 抓取作者信息
request = Request(composer_url % cid, callback=self.parse_composer)
request.meta['cid'] = cid
yield request
# 提取著作权信息
cr = CopyrightItem()
cr['pid'] = post['pid']
cr['cid'] = cid
cr['pcid'] = '%s_%s' % (cr['pid'], cid)
cr['roles'] = elem.xpath('.//span[contains(@class, "roles")]/text()').extract_first()
yield cr
def parse_post(self, response):
"""处理视频详情页"""
post = PostItem()
# 获取上个页面处理函数设置的视频ID
pid = response.meta['pid']
post['pid'] = pid
post['thumbnail'] = response.meta['thumbnail']
# 视频标题
post['title'] = response.xpath(
'//div[@class="title-wrap"]/h3/text()').extract_first()
# 视频的预览图，也就是刚打开页面看到的那张图
post['preview'] = response.xpath(
'//div[@class="filmplay"]//img/@src').extract_first()
# 视频URL
post['video'] = response.xpath('//a[@id="player"]/@href').get()
# 视频所属分类
cates = response.xpath(
'//span[contains(@class,"cate")]//text()').extract()
post['category'] = ''.join([cate.strip() for cate in cates])
# 发表时间
post['created_at'] = response.xpath(
'//span[contains(@class,"update-time")]/i/text()').get()
# 播放次数
post['play_counts'] = response.xpath(
'//i[contains(@class,"play-counts")]/@data-curplaycounts').get()
# 被点赞次数
post['like_counts'] = response.xpath(
'//span[contains(@class,"like-counts")]/@data-counts').get()
# 播放时长
duration = response.meta['duration']
if duration:
# duration原始格式：01' 51''
minutes, seconds, *_ = duration.split("'")
post['duration'] = int(minutes) * 60 + int(seconds)
# 视频描述
post['description'] = response.xpath(
'//p[contains(@class, "desc")]/text()').get()
post['video_format'] = '1080p'
yield post
# 用户主页地址模板
composer_url = 'http://www.xinpianchang.com/u%s?from=articleList'
# 获取当前视频的创作者节点列表
composer_list = response.xpath(
'//div[@class="user-team"]//ul[@class="creator-list"]/li')
# 遍历所有的创作者
for composer in composer_list:
cr = CopyrightItem()
cid = composer.xpath('./a/@data-userid').get()
cr['pcid'] = '%s_%s' % (cid, pid)
cr['cid'] = cid
cr['pid'] = pid
# 不同的作者在不同的视频内担任的角色不一样
cr['roles'] = composer.xpath(
'.//span[contains(@class, "roles")]/text()').get()
yield cr
# 构造用户主页的request，并yield
request = Request(composer_url % cid, callback=self.parse_composer)
request.meta['cid'] = cid
yield request
# 评论信息的url模板
comment_url = 'http://www.xinpianchang.com/article/filmplay/ts-getCommentApi?id=%s&ajax=0&page=1'
# 构造评论接口的request，并返回
request = Request(comment_url % pid, callback=self.parse_comment)
yield request