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lundaig.py
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lundaig.py
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# -*- coding: utf-8 -*-
from concurrent import futures
import time
import re
import random
import logging
import requests
from lxml import etree
import base64
import os
basedir = os.path.dirname(os.path.abspath(__file__))
import sys
sys.path.append(os.path.join(basedir,'mysite'))
os.environ['DJANGO_SETTINGS_MODULE'] = 'mysite.settings'
import django
django.setup()
from pachong.models import zhihudaiguang
HEADERS = {
'Cookie':'aliyungf_tc=AQAAAIiDlXdZTAAA7tGgtF/RbWfYmcVR; q_c1=b492ba469ae947c4a19f9f9cf1c82a5a|1486649721000|1486649721000; _xsrf=8a07f000dd22fead65c8b0f507bc8ca1; l_cap_id="MmQ1MDMxMWU1M2FhNGFmY2JjYTdiMmQ1NDZjZWRlZjY=|1486649721|7bd3e217765ca79d3f4d807c68f7ee6cd2412436"; cap_id="NWMwZGQ0M2YxYjRiNGVlNGJhZGRmMjMyMGZiNTA1ZWI=|1486649721|675fbcb242264d9bc861a1f0b1d6f0f168a3c16f"; d_c0="ACDC80viSAuPTqF1PkPvoPYgMkKuvHnYwvg=|1486649721"; _zap=9e5ea9d7-6805-472f-85f4-8d95dbbfff8f; login="OGU5ZjQzNzFiNDQxNDFkNmE0MTYxMTY3ODlhNTI1YTg=|1486649738|9c83197960966a947218a4b2ab44194e8e2aeb79"; n_c=1; __utma=51854390.915151200.1486649725.1486649725.1486649725.1; __utmb=51854390.0.10.1486649725; __utmc=51854390; __utmz=51854390.1486649725.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmv=51854390.100--|2=registration_date=20160916=1^3=entry_date=20160916=1; z_c0=Mi4wQUdDQU5lTHRqQW9BSU1MelMtSklDeGNBQUFCaEFsVk5wd2JFV0FETm9WOWE0SkItNmtjN0swYWFvZ0IySThzc0Vn|1486649934|7335dd7c419d716022ac7f73fd27739cce5ce0db',
'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
}
s = requests.session()
ss = requests.session()
ss.headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36',
'Accept-Language':'zh-CN,zh;q=0.8'}
def getalltopic():
# 获取话题的url，注意 offset已经改为了0，表示从0开始后面的80条
url = 'https://www.zhihu.com/followed_topics?offset=0&limit=80'
z = s.get(url,headers=HEADERS)
#获取所有话题
topic = z.json()['payload']
#打印出关注了多少条话题
# print len(topic)
#这边返回36，与我实际的一样，所以话题是应该抓取成功了ww.zhihu.com/followed_topics?offset=0&limit=80'
return [i['id'] for i in topic]
def getxsrf():
z = s.get('https://www.zhihu.com/topic#胸部',headers=HEADERS)
_xsrf = etree.HTML(z.content).xpath('//input[@name="_xsrf"]/@value')[0]
return _xsrf
def getimgsrc(offset,topic_id):
# 获取xsrf
_xsrf = getxsrf()
# 把_xsrf添加到浏览器头
HEADERS['X-Xsrftoken'] = _xsrf
#当前数据库内最大值
maxdata_score = getmaxtopic(topic_id)
while True:
data = {'method': 'next',
'params': '{"offset":%s,"topic_id":%s,"feed_type":"timeline_feed"}' %(offset,topic_id)}
z1 = s.post('https://www.zhihu.com/node/TopicFeedList',
data=data, headers=HEADERS)
#把所有的html代码拼接起来
html = ''.join(z1.json()['msg'])
ll = etree.HTML(html)
#获取当前回答的所有内容
contents = ll.xpath('//textarea[@class="content"]/text()')
for i in range(len(contents)):
#时间戳
data_score = ll.xpath('//div[@class="feed-item feed-item-hook folding"]/@data-score')[i]
#如果数据库的时间戳大于当前抓的,说明抓到重复的了，所以跳过
if maxdata_score != None:
if maxdata_score >= float(data_score):
break
#提取出其中的图片地址
images = etree.HTML(contents[i]).xpath('//img/@src')
#如果图片不为0的话，则得到answer-id，点赞会用到
if not images:
xiaobing = []
fs = []
is_sex = False
try:
#如果图片大于3张，则随机选3张
if len(images) > 3:
images_ = random.sample(images,3)
else:
images_ = images
with futures.ThreadPoolExecutor(max_workers=3) as executor:
future_to_url = dict((executor.submit(process,base64_imgage(image)), image)
for image in images_)
for future in futures.as_completed(future_to_url):
url = future_to_url[future]
if future.exception() is not None:
print('%r generated an exception: %s' % (url,
future.exception()))
else:
xiaobing.append(future.result())
# 获取分数
fs = [re.search(r"\d+\.?\d?",xx['content']['text']).group() for xx in xiaobing if re.search(r"\d+\.?\d?",xx['content']['text'])]
if len(fs) != 0:
if float(max(fs)) > 7.5:
is_sex = True
except Exception as ex:
logging.exception('yanzhi check error')
answer_id = ll.xpath('//meta[@itemprop="answer-id"]/@content')[i]
title = ll.xpath('//div[@class="feed-content"]/h2/a/text()')[i].strip()
href = ll.xpath('//div[@class="zm-item-rich-text expandable js-collapse-body"]/@data-entry-url')[i]
#存储到数据库
b = zhihudaiguang(imageurl=images,id=answer_id,title=title,href=href,content=contents,
data_score=data_score,xiaobing=xiaobing,topic_id=topic_id,is_sex=is_sex,fs=fs)
b.save()
if not maxdata_score:
break
else:
ll.xpath('//div[@class="feed-item feed-item-hook folding"][last()]/@data-score')[0]
#把图片转成 base64
def base64_imgage(url):
ir = s.get(url,headers=HEADERS)
if ir.status_code == 200:
return base64.b64encode(ir.content)
def vote_up(answer_id):
url = 'https://www.zhihu.com/node/AnswerVoteBarV2'
data = {'method':'vote_up',
'params':'{"answer_id":"%s"}'% answer_id}
# 获取xsrf
_xsrf = getxsrf()
# 把_xsrf添加到浏览器头
HEADERS['X-Xsrftoken'] = _xsrf
z2 = s.post(url,data=data,headers=HEADERS)
if z2.status_code == 200:
#如果msg不为空，表示点赞出错.
if z2.json()['msg'] != None:
print z2.json()['msg']
else:
print u'%s点赞ok' % answer_id
def upload(imagebase64):
uploadurl = 'https://kan.msxiaobing.com/Api/Image/UploadBase64'
z = ss.post(uploadurl,imagebase64)
ret = z.json()
"""
返回值
{u'Host': u'https://mediaplatform.msxiaobing.com',
u'Url': u'/image/fetchimage?key=JMGqEUAgbwDVieSjh8AgKUq4khZmjMOAaWgzt4SRHupVmtMhpXE1ZRFbaX8'}
"""
return '%s%s'%(ret['Host'],ret['Url'])
def process(imagebase64):
yanzhiurl = 'https://kan.msxiaobing.com/ImageGame/Portal?task=yanzhi'
processurl = 'https://kan.msxiaobing.com/Api/ImageAnalyze/Process'
z1 = ss.get(yanzhiurl)
#获取tid
tid = etree.HTML(z1.content).xpath('//input[@name="tid"]/@value')[0]
tm = time.time()
data = {'MsgId':'%s' %int(tm*1000),'CreateTime':'%s' %int(tm),
'Content[imageUrl]':upload(imagebase64)}
z2 = ss.post(url=processurl,params={"service":"yanzhi",
"tid":tid},data=data)
"""
返回值
{
"msgId": "1486513023436",
"timestamp": 0,
"receiverId": null,
"content": {
"text": "妹子竟有8.8分颜值，美得无法直视，多少直男竞折腰，腰，腰",
"imageUrl": "http://mediaplatform.trafficmanager.cn/image/fetchimage?key=UQAfAC8ABAAAAFcAFgAGABYASgBGADgANQA4ADcANQBCAEQANwAzADQANwA0AEQAMAAzADAAQQBGADQAMgA3ADIAQwBFADYAMgAxAEUAMABFADIA",
"metadata": {
"AnswerFeed": "FaceBeautyRanking",
"w": "vc_YiuTzgvP2h_PAW0tgjOnpoMH5vendgPXvgubnhNHehfL4j9L6rvjRsM7ngPXvgPzzhN_YhP7sjvXYrsj7vuP5h8zTiuTlier5jNnUgeTf",
"aid": "AFC44578B499147016D1C68CDC73F993"
}
}
}
"""
return z2.json()
#获取最新的 话题时间
def getmaxtopic(topic_id):
try:
return zhihudaiguang.objects.filter(topic_id=topic_id).values_list('data_score',flat=True).order_by('-data_score')[0]
except Exception as ex:
logging.exception('get max time error')
return None
if __name__ == '__main__':
with futures.ThreadPoolExecutor(max_workers=5) as executor:
future_to_topic = dict((executor.submit(getimgsrc,0,i), i)
for i in getalltopic())
for future_ in futures.as_completed(future_to_topic):
url = future_to_topic[future_]
if future_.exception() is not None:
print('%r generated an exception: %s' % (url,
future_.exception()))