def most_popular_page(self, response: HtmlResponse):
description_list = response.css('div.descriptionContainer')
for item in description_list:
title = item.css('a::text').extract_first()
sub_link = item.css('a::attr(href)').extract_first()
channel_url = response.urljoin(sub_link)
self.logger.warning('get channel:{0} ,link is:{1}'.format(
title, channel_url))
yield scrapy.Request(channel_url,
callback=self.channel_page_see_all)
# determine has next page
next_page_li = response.css('li.page.next.wl-page')
if next_page_li:
next_page_sub_link = next_page_li.css(
'a::attr(href)').extract_first()
page_number = int(next_page_sub_link.split('page=')[1])
page_number_start = self.settings.get('PAGE_NUMBER_START')
page_number_end = self.settings.get('PAGE_NUMBER_END')
if page_number_end is not None:
if page_number_start < page_number <= page_number_end:
next_page_url = response.urljoin(next_page_sub_link)
self.logger.warning(
'has next page, url is:{0}'.format(next_page_url))
yield scrapy.Request(next_page_url,
callback=self.most_popular_page)
else:
self.logger.warning('has next page, but is in limit')
else:
next_page_url = response.urljoin(next_page_sub_link)
self.logger.warning(
'has next page, url is:{0}'.format(next_page_url))
yield scrapy.Request(next_page_url,
callback=self.most_popular_page)
def categories_parse(self, response: HtmlResponse, category):
next_url_list = response.css('a.button.prev::attr(href)').getall()
if len(next_url_list) > 1:
yield scrapy.Request(url=response.urljoin(next_url_list[1]), callback=self.categories_parse,
cb_kwargs={'category': category})
else:
yield scrapy.Request(url=response.urljoin(next_url_list[0]), callback=self.categories_parse,
cb_kwargs={'category': category})
for item in response.css('div.thumb-video.cf').css('a.thumb-video-link::attr(href)').getall():
yield scrapy.Request(url=item, callback=self.video_parse, cb_kwargs={'category': category})
def parse(self, response: HtmlResponse):
print(type(response), '+++++++++++++++++++++++++')
print(response.encoding)
print(response.status)
with open('books.html', 'w', encoding='utf8') as f:
f.write(response.text)
subjects = response.xpath('//li[@class="subject-item"]')
for subject in subjects:
item = DoubanbookItem()
title = subject.xpath('.//h2/a/text()').extract_first()
item['title'] = title.strip()
rate = subject.xpath(
'.//span[@class="rating_nums"]/text()').extract_first()
item['rate'] = rate
publish = subject.xpath(
'.//div[@class="pub"]/text()').extract_first()
item['publish'] = publish.strip()
yield item
for i in range(2):
next_pag = response.xpath(
'//div[@class="paginator"]/a/@href').extract_first()
url = response.urljoin(next_pag)
yield scrapy.Request(url=url, callback=self.parse)
def ajax_model_page(self, response: HtmlResponse):
model_info_list = response.css('li.pcVideoListItem')
for item in model_info_list: # type: SelectorList
video_url = item.css('span.title').css('a::attr(href)').get()
yield scrapy.Request(response.urljoin(video_url),
callback=self.video_page,
priority=100)
def channel_page(self, response: HtmlResponse):
video_css = response.css('span.title')
for item in video_css:
video_sub_link = item.css('a::attr(href)').extract_first()
video_url = response.urljoin(video_sub_link)
self.logger.warning(
'send to parse real video, url is:{0}'.format(video_url))
yield scrapy.Request(video_url, callback=self.video_page)
def parse(self, response: HtmlResponse):
videos_list = response.css('ul.videos.row-5-thumbs.videosGridWrapper')
video_css = videos_list.css('span.title')
for item in video_css: # type: SelectorList
video_sub_link = item.css('a::attr(href)').get()
video_url = response.urljoin(video_sub_link)
title = item.css('a::text').get()
self.logger.info('send [%s] to parse real video', title)
yield scrapy.Request(video_url,
callback=self.video_page,
priority=100)
# determine has next page
next_page_li = response.css('li.page_next')
if next_page_li:
next_page_sub_link = next_page_li.css('a::attr(href)').get()
next_page_url = response.urljoin(next_page_sub_link)
yield scrapy.Request(next_page_url)
def porn_star_page(self, response: HtmlResponse):
# p**n star type no need page number,because next page=2 not show all 2 page videos
li_list = response.css('div.videoUList').css('ul').css('li')
for li_tag in li_list: # type: SelectorList
video_url = li_tag.css('span.title').css('a::attr(href)').get()
yield scrapy.Request(response.urljoin(video_url),
callback=self.video_page,
priority=100)
# check has next button
page_element = response.css('div.pagination3')
if page_element:
# if in last page, page_next css not exist
next_element = page_element.css('li.page_next')
if next_element:
next_url = next_element.css('a::attr(href)').get()
yield scrapy.Request(response.urljoin(next_url),
callback=self.porn_star_page,
priority=10)
def parse_next_link(self, response: HtmlResponse) -> str:
next_page_tag = response.css(
'a[href*="?category=long&viewtype=basic"]')
next_link = None
for item in next_page_tag:
if '»' == item.css('a::text').extract_first():
ori_link = item.css('a::attr(href)').extract_first()
next_link = response.urljoin(ori_link)
return next_link
def parse_list_of_tasks(self, response: HtmlResponse, max_number=0, next_number=0, step=5, subsection:str = ''):
task_urls = response.css('.problemsmallnumber .componentboxlink::attr(href)').extract()
for task_url in task_urls:
callback = partial(self.parse_task, subsection=subsection)
yield response.follow(response.urljoin(task_url), callback=callback)
if next_number < max_number:
url = set_get_parameter(response.url, 'start', next_number)
callback = partial(self.parse_list_of_tasks, max_number=max_number, next_number=next_number + step, subsection=subsection)
yield response.follow(url, callback=callback)
def model_page(self, response: HtmlResponse):
# parse current page
li_list = response.css('div.videoUList').css('ul').css('li')
for li_tag in li_list: # type: SelectorList
video_url = li_tag.css('span.title').css('a::attr(href)').get()
yield scrapy.Request(response.urljoin(video_url),
callback=self.video_page,
priority=100)
# check has "Load More" button
more_button = response.css('#moreDataBtnStream')
if more_button:
max_page = more_button.css('::attr(data-maxpage)').get()
load_more_ori_str = more_button.css('::attr(onclick)').get()
ajax_url = load_more_ori_str.split("'")[1]
for i in range(2, int(max_page) + 1):
new_link = '{0}&page={1}'.format(response.urljoin(ajax_url), i)
yield scrapy.Request(new_link,
callback=self.ajax_model_page,
priority=10)
def video_parse(self, response: HtmlResponse, category):
link = response.urljoin(response.css("a.full_download_link[onclick*='mp43000']::attr(href)").get())
title = ''
for i in response.css('div.title_bar::text').getall():
i = i.strip()
if i:
title = i
break
if link != 'http://www.hotwiferio.com/members/':
yield HotItem(name=title, link=link, category=category)
def parse_country_links(self, response: HtmlResponse) -> Request:
table = response.css(self.config.countries_table)
all_link_tags = table.css('a')
country_links = [link.attrib['href'] for link in all_link_tags]
for country_link in country_links:
full_country_link = response.urljoin(country_link)
current_country = country_link.split('/')[1]
yield scrapy.Request(full_country_link,
callback=self.parse_country,
cb_kwargs={"country": current_country})
def parse(self, response: HtmlResponse, **kwargs):
for li in response.css('nav').css('li'):
if li.css('::text').get() == 'Scenes':
for child in li.css('ul>li'):
try:
year = int(child.css('::text').get())
link = child.css('::attr(href)').get()
yield scrapy.Request(url=response.urljoin(link), cb_kwargs={'category': year},
callback=self.parse_page)
except ValueError as e:
pass
def parse(self, response: HtmlResponse):
model_filter_list = self.settings.getlist('MODEL_FILTER_LIST')
li_tag_list = response.css('div.sectionWrapper').css(
'ul#moreData').css('li')
for item in li_tag_list: # type: SelectorList
sub_link = item.css('a.usernameLink').css('a::attr(href)').get()
model_name = sub_link.split('/')[-1]
if model_name in model_filter_list or len(model_filter_list) == 0:
# filter user, model, pornStar
if '/model/' in sub_link:
yield scrapy.Request(response.urljoin(sub_link +
'/videos/upload'),
callback=self.model_page,
priority=10)
elif '/pornstar/' in sub_link:
yield scrapy.Request(response.urljoin(sub_link +
'/videos/upload'),
callback=self.porn_star_page,
priority=10)
else:
yield scrapy.Request(response.urljoin(sub_link +
'/videos/public'),
callback=self.model_page,
priority=10)
def parse_table_of_context(self, response: HtmlResponse):
ul = response.css('ul.componentboxlist')
themes = {text.strip(): [url, 0] for text, url in zip(ul.css('a::text').extract(), ul.css('a::attr(href)').extract())}
titles = ul[0].css('::text').extract()
for i, s in enumerate(titles):
s = s.strip()
if s in themes:
s_n = titles[i + 1]
n = int(s_n.strip().split()[0][1:])
themes[s][1] = n
for subsection, (url, n) in themes.items():
url = set_get_parameter(response.urljoin(url), 'start', 0)
callback = partial(self.parse_list_of_tasks, max_number=n, next_number=5, subsection=subsection)
yield response.follow(url, callback=callback)
def parse(self, response: HtmlResponse):
poems = response.css('.left > .sons')
for poem in poems:
# 判断一下是整首诗词还是只是句子
title = poem.css('b::text').extract()
item = GushiwenItem()
if title:
# 标题
item['title'] = title[0]
# [朝代,作者]
source = poem.css('.source > a::text').extract()
# 朝代
item['dynasty'] = source[0]
# 作者
item['author'] = source[1]
# 内容
item['content'] = ''.join(
poem.css('.contson *::text').getall()).strip()
yield item
else:
# 诗句
verses = poem.css('.cont')
for verse in verses:
# 作者<<标题>>
source = verse.css('a::text').extract()[1]
# 作者
item['author'] = re.search(r'(.*?)《(.*?)》',
source).group(1)
# 标题
item['title'] = re.search(r'(.*?)《(.*?)》', source).group(2)
# 句子内容
item['content'] = verse.css('a::text').extract()[0]
# 朝代
item['dynasty'] = ''
yield item
next_href = response.css('#amore::attr(href)').get()
if next_href:
next_url = response.urljoin(next_href)
request = scrapy.Request(next_url)
yield request
def parse(self, response: HtmlResponse):
channel_list = []
description_list = response.css('div.descriptionContainer')
for item in description_list:
title = item.css('a::text').get()
sub_link = item.css('a::attr(href)').get()
self.logger.info('get channel:{0} ,link is:{1}'.format(
title, sub_link))
save_name = sub_link.split('/')[2]
channel_list.append(save_name + '\n')
# determine has next page
next_page_li = response.css('li.page_next')
if next_page_li:
next_page_sub_link = next_page_li.css('a::attr(href)').get()
next_page_url = response.urljoin(next_page_sub_link)
self.logger.info('has next page, url is:{0}'.format(next_page_url))
yield scrapy.Request(next_page_url)
with open('channel.txt', 'a+') as f:
f.writelines(channel_list)
def parse(self, response: HtmlResponse):
json_resp = json.loads(response.text)
current_page = json_resp['result']['page']
max_pages = json_resp['result']['pages']
if current_page < max_pages:
next_url_suffix = '?page={0}'.format(current_page + 1)
next_url = response.urljoin(next_url_suffix)
self.logger.warn('next url:{0}'.format(next_url))
yield scrapy.Request(next_url)
video_info_list = json_resp['result']['docs']
self.logger.warn('第{0}页，有{1}视频'.format(current_page,
len(video_info_list)))
for info in video_info_list:
title = info['title']
video_id = info['videoId']
splice_url = 'https://www.netflav.com/video?id={0}'.format(
video_id)
addition_meta = {'name': title}
yield scrapy.Request(url=splice_url,
callback=self.real_video_parse,
meta=addition_meta)
def _parse_principals(self, response: HtmlResponse):
"""
Parse principal and yield to retrieve one's documents.
Parsing documents is not cached because different principals of the
same country can have the same documents.
"""
field = self._retrieve_table_field(response)
processed_rows = 0
while True:
try:
data = {
'url':
response.urljoin(
next(field).css('a::attr(href)').extract_first()),
'foreign_principal':
self._extract_next(field),
'date':
self._parse_date(self._extract_next(field)),
'address':
self._extract_next(field),
'state':
self._extract_next(field),
'country':
self._extract_next(field),
'registrant':
self._extract_next(field),
'reg_num':
self._extract_next(field),
}
next(field) # just skip 'reg_date'
documents_request = scrapy.Request(
url=data['url'],
callback=self._parse_documents,
dont_filter=True,
)
documents_request.meta['data'] = data
yield documents_request
except StopIteration:
break
processed_rows += 1
if processed_rows < self.ROWS_FETCH:
return
meta = response.meta
meta['first_row'] += processed_rows
meta['form_data'][
'p_widget_action_mod'] = self._generate_next_page_action(
meta['first_row'])
request = scrapy.FormRequest(
url=meta['url'],
headers=meta['headers'],
formdata=meta['form_data'],
callback=self._parse_principals,
)
for field in ['url', 'headers', 'form_data', 'first_row']:
request.meta[field] = meta[field]
yield request
def collect_all_tagets(self, driver, starturl: str):
"""
从入口starturl开始，遍历每一页收集所有标的url，该函数执行前务必已经`driver.get(starturl)`
"""
try:
total = WebDriverWait(driver, 10).until(
EC.presence_of_element_located(
(By.CSS_SELECTOR,
'div.pagination.J_Pagination .page-total')))
except TimeoutException: # TimeoutException
self.logger.debug("导航页有问题，获取导航失败：{}".format(starturl))
return
# 分页信息分析
max_page_num = int(total.text)
try:
nav = WebDriverWait(driver, 10).until(
EC.presence_of_all_elements_located(
(By.CSS_SELECTOR, 'div.pagination.J_Pagination a')))
except TimeoutException: # TimeoutException
self.logger.debug("导航页有问题，获取导航失败：{}".format(starturl))
return
# 跳转到首页,第二个是第一页
driver.execute_script("arguments[0].click();", nav[1])
# 从首页开始遍历每页，动作是收集所有标的，然后到下一页.
self.logger.info("将收集{}页，starturl{}".format(max_page_num, starturl))
max_retry_times = 5 # 尝试5次
retrys = max_retry_times
for i in range(max_page_num):
# 提示
if i < max_page_num - 1 and i % 50 == 0:
self.logger.info("第{}页开始收集".format(i))
elif i == max_page_num - 1:
self.logger.info("已收集{}页".format(i))
try:
_ = WebDriverWait(driver, 20).until(
EC.presence_of_all_elements_located(
(By.CSS_SELECTOR, ".sf-content .sf-item-list li a")))
#从实践看，网页会变化，所以采用保存下来再解析
response = HtmlResponse(driver.current_url,
body=str.encode(driver.page_source),
encoding='utf-8')
yield list(
set(
map(
lambda x: response.urljoin(x),
response.css(
".sf-content .sf-item-list li a::attr(href)").
getall())))
except TimeoutException:
self.logger.info("{} 页收集标的url失败".format(i))
# 已经到了最后页，就不需要跳转下一页了
if i < max_page_num - 1:
# 跳转到下一页，
if self._to_next_page(driver) == -1:
retrys -= 1
if retrys <= 0:
break # 如果跳转失败跳出循环结束
else:
retrys = max_retry_times
# return urls
return
def channel_page_see_all(self, response: HtmlResponse):
# get see all button
see_all = response.css(
'a.greyButton.light::attr(href)').extract_first()
all_url = response.urljoin(see_all)
yield scrapy.Request(all_url, callback=self.channel_page)
def extract_task(self, content: scrapy.Selector, response: HtmlResponse):
# TODO: обновить документацию
"""
Вытаскивает информацию о задаче из содержимого страницы
:return: словарь с ключами по именам секций задачи и со значениями вида
text, images, где images -- список кортежей вида (image_url, tex_view)
"""
# Вытаскивание текста
# text = list(map(lambda s: s.strip(), ''.join(content.extract()).split('\n')))
# text = list(map(lambda s: s.strip(), re.split(r'(<br>|<p>|</p>|>\n)', ''.join(content.extract()))))
text = list(map(lambda s: s.strip(), re.split(r'(</?\w{,10}|>)', ''.join(content.extract()))))
task_dict = {}
current_section = ''
session_text = []
image_urls = []
images_urls_of_section = []
text_iterator = enumerate(text)
tex_used = False
while True:
try:
i, line = next(text_iterator)
new_section = None
except StopIteration:
break
if line == '<h3':
next(text_iterator)
next(text_iterator)
i, line = next(text_iterator)
new_section = re.findall(r'(Условие|Подсказка|Решение|Ответ|Источники и прецеденты использования)', line)
if (not new_section) and (not current_section):
continue
if new_section:
if current_section:
session_text = ' '.join(filter(lambda s: s, session_text))
session_text = ' '.join(session_text.split())
session_text.replace('\'', '')
task_dict[DEFAULT_NAMES[current_section]] = session_text, images_urls_of_section
current_section = new_section[0]
if current_section == 'Источники и прецеденты использования':
break
session_text = []
images_urls_of_section = []
continue
if '<img' in line:
i, line = next(text_iterator)
src = re.search(r'src=\".+\d+\"', line).group()
if src:
tex = re.search(r'alt=\"\$(.|\n)+\$\"', line)
if tex is None:
image_src = src[5:-1]
image_url = response.urljoin(image_src)
image_urls.append(image_url)
images_urls_of_section.append(image_url)
else:
tex_used = True
continue
if re.match(r'<\w{1,10}', line):
while line != '>':
i, line = next(text_iterator)
continue
if re.match(r'(</?\w{,10}|>)', line):
continue
if line:
old_line = line
if 'Также доступны документы в формате' in line or \
('href' in line or line == 'TeX') or \
(line.endswith('>') and not line.endswith('-->')):
continue
line = line.strip()
line = re.sub(r'(^>|!-- MATH|--)', '', line, re.S).strip()
line = line.replace('\\begin{displaymath}', '$').replace('\\end{displaymath}', '$')
if line:
session_text.append(line)
return task_dict, image_urls, tex_used
