def get_next_page_request(self, response):
# noinspection PyPropertyAccess
br = self.br
mechanize_response = response_scrapy2mechanize(response)
br.set_response(mechanize_response)
default_encoding = self._site_default_encoding
encoding = default_encoding if default_encoding else response.encoding
next_page_word = self.next_page_word.encode(encoding)
next_page_link = self.get_next_page_link()
# noinspection PyUnusedLocal
try:
if next_page_link:
next_page_request = br.click_link(link=next_page_link)
else:
next_page_request = br.click_link(text=next_page_word)
scrapy_request = request_mechanize2scrapy(next_page_request)
scrapy_request.callback = self.query_callback
return scrapy_request
except LinkNotFoundError as e:
return None
except Exception as e:
#到这里一般是解析到的链接是js的.
#已关键字监控这条日志
log.msg('spider turn page error:%s' % str(e), level=log.INFO)
return None
def get_next_page_request(self, response):
br = self.br
mechanize_response = response_scrapy2mechanize(response)
br.set_response(mechanize_response)
encoding = response.encoding
next_page_word = self.next_page_word.encode(encoding)
next_page_link = self.get_next_page_link()
try:
if next_page_link:
next_page_request = br.click_link(link=next_page_link)
else:
next_page_request = br.click_link(text=next_page_word)
if next_page_request:
url = response.url
query = get_url_query(url)
page = str(int(query.get('page', '1')) + 1)
query['page'] = page
url = change_url_query(url, query)
scrapy_request = Request(url=url, callback=self.query_callback)
return scrapy_request
else:
return None
except LinkNotFoundError as e:
return None
except Exception as e:
self.log('spider turn page error:%s' % e, level=log.INFO)
return None
def get_query_request(self, response):
intime = self.intime
if intime == '全部时间':
return super(SogouBbsSpider, self).get_query_request(response)
# noinspection PyPropertyAccess
br = self.br
mechanize_response = response_scrapy2mechanize(response)
br.set_response(mechanize_response)
br.select_form(nr=self.search_form_order)
query = response.meta['query']
encoding = response.encoding
query = query.encode(encoding)
search_input_name = self.search_input_name.encode(encoding)
br[search_input_name] = query
br.submit()
intime = intime.encode('utf8')
query_request = br.click_link(text=intime)
scrapy_request = request_mechanize2scrapy(query_request)
scrapy_request.callback = self.query_callback
url = scrapy_request.url
query = get_url_query(url)
query['num'] = 100
new_url = change_url_query(url, query)
new_request = scrapy_request.replace(url=new_url)
return new_request
def get_query_request(self, response):
# noinspection PyPropertyAccess
br = self.br
mechanize_response = response_scrapy2mechanize(response)
br.set_response(mechanize_response)
br.select_form(nr=self.search_form_order)
query = response.meta['query']
default_encoding = self._site_default_encoding
encoding = default_encoding if default_encoding else response.encoding
query = query.encode(encoding)
search_input_name = self.search_input_name.encode(encoding)
br[search_input_name] = query
query_request = br.click()
scrapy_request = request_mechanize2scrapy(query_request)
scrapy_request.callback = self.query_callback
return scrapy_request
def get_query_request(self, response):
"""
填表单,构造相应请求
"""
# noinspection PyPropertyAccess
br = self.br
mechanize_response = response_scrapy2mechanize(response)
br.set_response(mechanize_response)
br.select_form(nr=self.search_form_order)
query = response.meta['query']
encoding = response.encoding
query = query.encode(encoding)
search_input_name = self.search_input_name.encode(encoding)
br[search_input_name] = query
br[b'rn'] = [self.item_count_per_page]
activate_controls(br.form)
if not self.begin_date and not self.end_date:
br[b's'] = [b'1']
br[b'begin_date'] = b''
br[b'end_date'] = b''
else:
br[b's'] = [b'2']
br[b'begin_date'] = self.begin_date.encode(encoding)
br[b'end_date'] = self.end_date.encode(encoding)
y0, m0, d0 = self.begin_date.split('-')
y1, m1, d1 = self.end_date.split('-')
br[b'y0'] = y0.encode(encoding)
br[b'm0'] = m0.encode(encoding)
br[b'd0'] = d0.encode(encoding)
br[b'y1'] = y1.encode(encoding)
br[b'm1'] = m1.encode(encoding)
br[b'd1'] = d1.encode(encoding)
br[b'bt'] = str(int(time.mktime(time.strptime(self.begin_date, '%Y-%m-%d'))))
br[b'et'] = str(int(time.mktime(time.strptime(self.end_date, '%Y-%m-%d'))))
query_request = br.click()
scrapy_request = request_mechanize2scrapy(query_request)
scrapy_request.callback = self.query_callback
return scrapy_request
