def mainpage_parse(self,response):
#inspect_response(response,self)
if response == None:
yield self.start_requests()
exit(1)
sel = Selector(response)
login_user = {}
login_user['toCrawl_user_id'] = response.meta['user_id']
login_user['toCrawl_user_nick'] = self.get_property(response,"onick")
login_user['login_user_id'] = self.get_property(response,"uid")
login_user['page_id'] = self.get_property(response,"page_id")
login_user['domain'] = self.get_property(response,"domain")
# if uid's mainpage does note exist, pass to next user in queue
if login_user['login_user_id'] is None or login_user['page_id'] is None or login_user['domain'] is None:
log.msg(' user toCrawl id:%s does not exist! Please try next one' % login_user['toCrawl_user_id'],level=log.DEBUG)
next_uid = self.forward_crawling_redis()
if next_uid:
self.redis_server.lpush(self.ids_problem_name,next_uid)
self.redis_server.lrem(self.ids_processing_name,login_user['toCrawl_user_id'],num=-1)
trypage_url = QueryFactory.mainpage_query(next_uid)
mainpage_request = Request(url=trypage_url,callback=self.mainpage_parse,meta={'user_id':next_uid})
yield mainpage_request
else:
log.msg(' Queue is empty, task to terminate.',level=log.INFO)
else:
print '\n',login_user,'\n'
login_user_profile_url = QueryFactory.info_query(page_id=login_user['page_id'], domain=login_user['domain'])
log.msg(' user toCrawl id: %s, user login id: %s' \
% (login_user['toCrawl_user_id'],login_user['login_user_id']), level=log.INFO)
request = Request(url=login_user_profile_url,callback=self.user_info_parse,meta={'login_user':login_user})
yield request
def weibo_pages_num(self,response):
#inspect_response(response,self)
if response == None:
yield self.start_requests()
exit(1)
# pares the current js response
self.weibo_parse(response)
login_user = response.meta['login_user']
# load response in json form
html_block_soup = self.json_load_response(response)
# get the tag containing the max num of page
page_list_tag = html_block_soup.find('div',{'action-type':'feed_list_page_morelist'})
MAX_PAGE_NUM = 50
if page_list_tag:
total_num_pages = int(re.search(r'\d+',page_list_tag.a.string).group(0))
if total_num_pages > MAX_PAGE_NUM:
total_num_pages = MAX_PAGE_NUM
else:
total_num_pages = 1
# warp weibo page urls to crawl
weibo_page_urls = self.wrap_weibo_pages_urls(domain=login_user['domain'], page_id=login_user['page_id'], num_page=total_num_pages )
print '\n\n Number of user weibos pages: ',total_num_pages,'\n\n'
# test part weibo parser
user_weibo_page_url = QueryFactory.weibo_js_query(domain = login_user['domain'], page_id = login_user['page_id'], page_num=2 )[0]
# first request to get the total number of user weibos' pages
#request = Request(url=user_weibo_page_url,callback=self.user_weibo_parse,meta={'login_user':login_user})
#yield request
# send requests contained in the weibo pages urls
for page_url in weibo_page_urls:
yield Request(url=page_url,callback=self.weibo_parse,meta={'login_user':login_user})
# insert id crawled into redis
self.redis_server.lrem(self.ids_processing_name,login_user['toCrawl_user_id'],num=-1)
self.redis_server.lpush(self.ids_crawled_name ,login_user['toCrawl_user_id'])
# TODO
next_uid = self.forward_crawling_redis()
if next_uid:
trypage_url = QueryFactory.mainpage_query(next_uid)
mainpage_request = Request(url=trypage_url,callback=self.mainpage_parse,meta={'user_id':next_uid})
yield mainpage_request
else:
log.msg(' Queue is empty, task to terminate.',level=log.INFO)
def wrap_weibo_pages_urls(self, domain,page_id, num_page):
weibo_urls = set()
for page in range(num_page):
weibo_urls=weibo_urls.union(QueryFactory.weibo_js_query( domain=domain,page_id=page_id,page_num=page+1))
return weibo_urls
def user_weibo_pages_num(self,response):
#inspect_response(response,self)
if response:
# pares the current js response
self.user_weibo_parse(response)
login_user = response.meta['login_user']
# load response in json form
html_block_soup = self.json_load_response(response)
# get the tag containing the max num of page
page_list_tag = html_block_soup.find('div',{'class':'W_pages_layer S-FIXED'})
if page_list_tag:
total_num_pages = int(re.search(r'\d+',page_list_tag.a.string).group(0))
else:
total_num_pages = 1
# warp weibo page urls to crawl
weibo_page_urls = self.wrap_weibo_pages_urls( page_id=login_user['page_id'], num_page=total_num_pages )
# test part weibo parser
user_weibo_page_url = QueryFactory.weibo_page_num_query(page_id = login_user['page_id'], page_num=2 )
# first request to get the total number of user weibos' pages
request = Request(url=user_weibo_page_url,callback=self.user_weibo_parse,meta={'login_user':login_user})
yield request
else:
self.start_requests()
def user_info_parse(self,response):
user_profile_translation = {
u"性别" : 'sex',
u"简介" : 'description',
u"注册时间" : 'signed_time',
u"所在地" : 'location',
u"生日" : 'birthday',
u"公司" : 'company',
u"大学" : 'university',
u"标签" : 'personal_tags'
}
if response == None:
yield self.start_requests()
exit(1)
login_user = response.meta['login_user']
user = UserProfileItem()
# fulfill the user Item
user['user_id'] = login_user['toCrawl_user_id']
user['screen_name'] = login_user['toCrawl_user_nick']
user_tags_dict = self.get_userinfo_by_html(response)
for property_name in user_profile_translation:
user[user_profile_translation[property_name]] = user_tags_dict.get(property_name,'')
if user.get('signed_time'):
user['signed_time'] = datetime.strptime(user['signed_time'],'%Y-%m-%d')
print '\n\n User Profile:\n'
for user_item in dict(user).items():
print '\t',user_item[0],' : ',user_item[1]
print "\n\n"
yield user
# url to get total number of weibos' pages
user_weibo_page_url = QueryFactory.weibo_page_num_query(domain = login_user['domain'], page_id = login_user['page_id'], page_num=1 )
# first request to get the total number of user weibos' pages
request = Request(url=user_weibo_page_url,callback=self.weibo_pages_num,meta={'login_user':login_user})
yield request
def mainpage_parse(self,response):
if response:
sel = Selector(response)
login_user = {}
login_user['toCrawl_user_id'] = response.meta['user_id']
login_user['login_user_id'] = self.get_property(response,"uid")
login_user['page_id'] = self.get_property(response,"page_id")
login_user['pid'] = self.get_property(response,"pid")
print '\n',login_user,'\n'
login_user_profile_url = QueryFactory.info_query(page_id=login_user['page_id'], pid=login_user['pid'])
log.msg(' user toCrawl id: %s, user login id: %s' \
% (login_user['toCrawl_user_id'],login_user['login_user_id']), level=log.INFO)
request = Request(url=login_user_profile_url,callback=self.user_info_parse,meta={'login_user':login_user})
yield request
else:
yield self.start_requests()
def login_parse(self,response):
if response.body.find('feedBackUrlCallBack') != -1:
data = json.loads(re.search(r'feedBackUrlCallBack\((.*?)\)', response.body, re.I).group(1))
userinfo = data.get('userinfo', '')
if len(userinfo):
user_id = userinfo.get('uniqueid')
screen_name = userinfo.get('displayname')
log.msg('user login displayname: %s, user login id: %s' % (screen_name,user_id), level=log.INFO)
assert screen_name in self.username
self.logined = True
#mainpage_url = QueryFactory.mainpage_query(user_id)
# get 1 id from the list toCrawl
id_toCrawl = self.id_toCrawl_list.pop()
trypage_url = QueryFactory.mainpage_query(id_toCrawl)
mainpage_request = Request(url=trypage_url,callback=self.mainpage_parse,meta={'user_id':id_toCrawl})
yield mainpage_request
else:
self.log('login failed: errno=%s, reason=%s' % (data.get('errno', ''), data.get('reason', '')))
def login_parse(self,response):
if response.body.find('feedBackUrlCallBack') != -1:
data = json.loads(re.search(r'feedBackUrlCallBack\((.*?)\)', response.body, re.I).group(1))
userinfo = data.get('userinfo', '')
if len(userinfo):
user_id = userinfo.get('uniqueid')
screen_name = userinfo.get('displayname')
log.msg('user login displayname: %s, user login id: %s' % (screen_name,user_id), level=log.INFO)
#assert screen_name in self.username
self.logined = True
# load first user_id toCrawl from the Queue
id_toCrawl = self.redis_server.rpop(self.ids_toCrawl_name)
if id_toCrawl:
# push user_id toCrawl into the Processing Queue
self.redis_server.lpush(self.ids_processing_name,id_toCrawl)
trypage_url = QueryFactory.mainpage_query(id_toCrawl)
mainpage_request = Request(url=trypage_url,callback=self.mainpage_parse,meta={'user_id':id_toCrawl})
yield mainpage_request
else:
self.log('login failed: errno=%s, reason=%s' % (data.get('errno', ''), data.get('reason', '')))
