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VotersTopics.py
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#_*_coding:utf8_*_
import requests
import sys
import time
import codecs
import re
import datetime
from bs4 import BeautifulSoup
from logger import Logger
from mongodb import Mongo,Mongo_1,Mongo_2
from proxy_pool import get_IP
reload(sys)
sys.setdefaultencoding('utf8')
class VotersTopics:
def __init__(self, fileNum):
self.user_id = None
self.user_url = 'https://www.zhihu.com/people/' + str(self.user_id) +'/following'
self.topic_url = self.user_url + '/topics'
self.is_del = False
# self.proxy = None
self.userID_list = []
self.fileNum = fileNum
self.file = None
self.start = None
self.end = None
self.type = None
self.mongo = Mongo_1()
self.mongo1 = Mongo()
self.current_proxy = None
self.content = 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_Topics()
def parser(self, url, logger):
while 1:
try:
r = requests.get(url, headers=self.headers, timeout=5, proxies=self.current_proxy)
time.sleep(3)
logger.info('请求状态码' + str(r.status_code))
if r.status_code == 404:
logger.warning('该用户被删！无法获得用户信息!!!')
self.is_del = True
break
if r.status_code == 200:
self.content = BeautifulSoup(r.content, "lxml")
break
except Exception as e:
logger.error('请求出错！' + str(e))
self.current_proxy = get_IP()
logger.warning('切换ip代理!中断3秒！')
time.sleep(3)
continue
def get_Topics(self):
self.copycookies()
self.get_createpoint()
items = self.mongo.db.voters.find()
for item in items:
self.userID_list.append(item.get('user_id'))
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.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.user_id = self.userID_list[i]
logfielname = '/log/' + dt + 'voters_' + sys._getframe().f_code.co_name + '.log'
logger = Logger(logfilename=logfielname,
logname='正在爬取第' + str(i + 1) + '个用户的关注话题').getlog()
topics_url = 'https://www.zhihu.com/api/v4/members/'+str(self.userID_list[i])+'/following-topic-contributions?include=data%5B*%5D.topic.introduction&offset={0}&limit=20'
topics_count = 0
while 1:
try:
r = requests.get(topics_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 == 200:
j = r.json()
topics_count = j['paging']['totals']
elif r.status_code == 404:
self.is_del = True
logger.info('!!!该用户被删!!!')
self.delLogger(logger)
break
elif r.status_code == 401:
logger.info('Cookie过期，正在更换')
f = open('Cookies/voters_topics_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/voters_topics_loseuser_' + str(self.fileNum) + '.txt','a+') as f1:
f1.write(str(i + 1) + '\n')
else:
self.delLogger(logger)
return
except Exception, e:
logger.error('查看回答数出错！' + str(e))
self.current_proxy = get_IP()
logger.warning('切换ip代理!中断3秒！')
time.sleep(3)
continue
else:
# 没有关注者的用户也要保存一下
if topics_count == 0:
logger.warning('用户没有关注话题！')
self.delLogger(logger)
data_plus = {'user_id': self.user_id, "topics_count": 0}
self.mongo.db.voters_topics.insert(data_plus)
break
else:
offset = 0
while 1:
try:
soup = requests.get(topics_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('请求关注话题出错！' + str(e))
self.current_proxy = get_IP()
logger.warning('切换ip代理!中断3秒！')
time.sleep(3)
continue
else:
topics_data = soup.json()
data = topics_data.get('data')
logger.info('is_end?' + str(topics_data['paging']['is_end']))
if topics_data['paging']['is_end']:
topic_list = []
for i in range(0, len(data)):
info = {
"name": data[i]['topic']['name'],
"contributions_count": data[i]['contributions_count']
}
topic_list.append(info)
data_plus = {
'user_id': self.user_id,
"topics_count": topics_count,
"topic": topic_list
}
self.mongo.db.voters_topics.insert(data_plus)
logger.info('已获得所有用户关注话题！')
logger.info('成功保存数据！')
self.delLogger(logger)
break
else:
offset = offset + 20
topic_list = []
for i in range(0, len(data)):
info = {
"name": data[i]['topic']['name'],
"contributions_count": data[i]['contributions_count']
}
topic_list.append(info)
data_plus = {
'user_id': self.user_id,
"topics_count": topics_count,
"topic": topic_list
}
self.mongo.db.voters_topics.insert(data_plus)
self.mongo.client.close()
break
def copycookies(self):
with open('Cookies/cookies.txt', "r") as f:
Lines = f.readlines()
with open('Cookies/voters_topics_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/voters_topics_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/voters_topics_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/voters_topics_cookies.txt', "r") as f:
Lines = f.readlines()
with open('Cookies/voters_topics_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/voters_topics_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'))
def delLogger(self, myLogger):
for myHandler in myLogger.handlers:
myHandler.close()
myLogger.removeHandler(myHandler)