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AnswerVoters.py
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#-*- coding:utf-8 –*-
import requests
from bs4 import BeautifulSoup
import re
import time
import sys
import datetime
from extractor import extract_answerID
from mongodb import Mongo,Mongo_1,Mongo_2
from proxy_pool import get_IP
from logger import Logger
from extractor import extract_answer_voters
reload(sys)
sys.setdefaultencoding('utf8')
class AnswerVoters:
def __init__(self, fileNum):
self.answer_id = None
self.is_del = False
self.mongo = Mongo_1()
self.fileNum = fileNum
self.file = None
self.start = None
self.end = None
self.answerID_list = None
# self.proxy = None
self.type = None
self.state = False
self.answer_type = None
self.voter_id_list = []
self.current_proxy = None
self.headers = {
'Accept': 'textml,application/json,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
'Accept-Encoding': 'gzip, deflate, sdch',
'Accept-Language': 'en-US,en;q=0.8,zh-CN;q=0.6,zh;q=0.4,zh-TW;q=0.2',
'Host': 'www.zhihu.com',
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.81 Safari/537.36',
'Referer': 'http://www.zhihu.com/',
'Cookie': None,
'x-udid':None,
}
self.get_voters()
def get_voters(self):
self.copycookies()
self.answerID_list = extract_answerID()
print len(self.answerID_list)
self.get_createpoint()
self.current_proxy = get_IP()
self.get_cookie()
dt = re.sub(r'[^0-9]', '', str(datetime.datetime.now().strftime('%Y-%m-%d-%H:%M:%S')))
for i in xrange(self.start, self.end):
self.state = False
self.file.seek(0,2)
dt1 = re.sub(r'[^0-9]', '', str(datetime.datetime.now().strftime('%Y-%m-%d')))
News = self.type + ','+ str(i+1) + ',' + str(self.end) + ',' + str(dt1) + '\n'
self.file.write(News)
self.answer_id = self.answerID_list[i]
logfielname = '/log/' + dt + 'answer_' + sys._getframe().f_code.co_name + '.log'
logger = Logger(logfilename=logfielname,
logname='正在爬取第' + str(i + 1) + '项回答的点赞者').getlog()
voters_url = 'https://www.zhihu.com/api/v4/answers/' + str(self.answer_id) + '/voters?include=data%5B%2A%5D.answer_count%2Carticles_count%2Cfollower_count%2Cgender%2Cis_followed%2Cis_following%2Cbadge%5B%3F%28type%3Dbest_answerer%29%5D.topics&limit=10&offset={0}'
voter_num = 0
self.voter_id_list = extract_answer_voters(self.answer_id)
# if len(self.voter_id_list) == 0:
# self.answer_type = 0
# else:
# self.answer_type = 1
while 1:
try:
r = requests.get(voters_url, headers=self.headers, timeout=5, proxies=self.current_proxy)
time.sleep(3)
logger.info('第一次请求状态码' + str(r.status_code))
if r.status_code == 404:
self.is_del = True
logger.info('!!!该回答被删!!!')
self.delLogger(logger)
break
elif r.status_code == 200:
j = r.json()
voter_num = j['paging']['totals']
elif r.status_code == 401:
logger.info('Cookie过期，正在更换')
f = open('Cookies/answer_voters_cookies.txt', "r")
Lines = f.readlines()
if len(Lines) == 0:
logger.info('备用Cookies用完！')
self.delLogger(logger)
return
else:
self.change_cookie()
with open('User/answer_voters_loseuser_' + str(self.fileNum) + '.txt','a+') as f1:
f1.write(str(i + 1) + '\n')
else:
self.delLogger(logger)
return
except Exception, e:
logger.error('获取点赞者数出错！' + str(e))
self.current_proxy = get_IP()
logger.warning('切换ip代理!中断3秒！')
time.sleep(3)
continue
else:
if voter_num == 0:
logger.warning('回答没有点赞者！')
data_plus = {'answer_id': self.answer_id, "voter_num": 0}
self.mongo.db.answer_voters.insert(data_plus)
self.delLogger(logger)
break
# elif self.answer_type == 0 and voter_num >= 4000:
# logger.warning('回答点赞数大于4000！')
# self.delLogger(logger)
# data_plus = {'user_id': self.answer_id, "voter_num": voter_num, "answer_type":self.answer_type}
# self.mongo.db.answer_voters.insert(data_plus)
# break
else:
offset = 0
while 1:
try:
soup = requests.get(voters_url.format(str(offset)), headers=self.headers, timeout=5, proxies=self.current_proxy)
time.sleep(3)
logger.info('请求状态码' + str(soup.status_code))
except Exception, e:
logger.error('请求点赞者出错！' + str(e))
self.current_proxy = get_IP()
logger.warning('切换ip代理!中断3秒！')
time.sleep(5)
continue
else:
voters_data = soup.json()
data = voters_data['data']
logger.info('is_end?' + str(voters_data['paging']['is_end']))
if voters_data['paging']['is_end']:
voter_list = []
for i in range(0, len(data)):
voter_url = data[i]['url_token']#用户ID
voter_info = data[i]#全部信息
info = {
"voter_id": voter_url,
"voter_info": voter_info
}
if voter_url in self.voter_id_list:
break
voter_list.append(info)
data_plus = {
'answer_id': self.answer_id,
"voter_num": voter_num,
# "answer_type":self.answer_type,
"voters": voter_list
}
self.mongo.db.answer_voters.insert(data_plus)
logger.info('已获得所有新增点赞者！')
break
else:
voter_list = []
offset = offset + 10
for i in range(0, len(data)):
voter_url = data[i]['url_token']#用户ID
voter_info = data[i]#全部信息
info = {
"voter_id": voter_url,
"voter_info": voter_info
}
if voter_url in self.voter_id_list:
self.state = True
break
voter_list.append(info)
data_plus = {
'answer_id': self.answer_id,
"voter_num": voter_num,
# "answer_type":self.answer_type,
"voters": voter_list
}
self.mongo.db.answer_voters.insert(data_plus)
if self.state:
self.delLogger(logger)
break
logger.info('所有数据成功保存!')
self.delLogger(logger)
break
def copycookies(self):
with open('Cookies/cookies.txt', "r") as f:
Lines = f.readlines()
with open('Cookies/answer_voters_cookies.txt','a+') as f_a:
Lines1 = f_a.readlines()
if len(Lines1) == 0:
for line in Lines:
f_a.write(line)
def change_cookie(self):
with open('Cookies/answer_voters_cookies.txt', "r") as f:
Lines = f.readlines()
dict = eval(Lines[0])
self.type = dict['type']
self.headers['Cookie'] = dict['Cookie']
self.headers['x-udid'] = dict['x-udid']
with open('Cookies/answer_voters_cookies.txt', "w") as f_w:
for line in Lines[1:]:
f_w.write(line)
def get_cookie(self):
with open('Cookies/cookies.txt', "r") as f:
Lines = f.readlines()
for line in Lines:
dict = eval(line)
if self.type == dict['type']:
self.headers['Cookie'] = dict['Cookie']
self.headers['x-udid'] = dict['x-udid']
with open('Cookies/answer_voters_cookies.txt', "r") as f:
Lines = f.readlines()
with open('Cookies/answer_voters_cookies.txt', "w") as f_w:
for line in Lines:
if self.type != eval(line)['type']:
f_w.write(line)
def get_createpoint(self):
self.file = open('CreatePoint/answer_voters_createpoint_' + str(self.fileNum) + '.txt','a+')
Lines = self.file.readlines()
if len(Lines) == 0:
print '请输入爬取的Cookie编号、起始点和终止点：'
Input = raw_input()
self.type = Input.split(',')[0]
self.start = int(Input.split(',')[1])
self.end = int(Input.split(',')[2].strip('\n'))
self.file.write(Input + '\n')
else:
self.type = Lines[-1].split(',')[0]
self.start = int(Lines[-1].split(',')[1])
self.end = int(Lines[-1].split(',')[2].strip('\n'))
# 删除日志手柄
def delLogger(self, myLogger):
for myHandler in myLogger.handlers:
myHandler.close()
myLogger.removeHandler(myHandler)