横行异世界txt,城市壁纸,席秀海
项目源码：
我要评论 1 # -*- coding:utf-8 -*-
2
3 from spider import spiderhtml
4 from multiprocessing import pool
5 import sys,urllib,http,os,random,re,time
6 __author__ = 'waiting'
7 '''
8 使用了第三方的类库 beautifulsoup4，请自行安装
9 需要目录下的spider.py文件
10 运行环境：python3.4,windows7
11 '''
12
13 #收藏夹的地址
14 url = 'https://www.zhihu.com/collection/30822111' #page参数改为代码添加
15
16 #本地存放的路径,不存在会自动创建
17 store_path = 'e:\\zhihu\收藏夹\\会员才知道的世界'
18
19 class zhihucollectionspider(spiderhtml):
20 def __init__(self,pagestart, pageend, url):
21 self._url = url
22 self._pagestart = int(pagestart)
23 self._pageend = int(pageend)+1
24 self.downlimit = 0 #低于此赞同的答案不收录
25
26 def start(self):
27 for page in range(self._pagestart,self._pageend): #收藏夹的页数
28 url = self._url + '?page='+str(page)
29 content = self.geturl(url)
30 questionlist = content.find_all('div',class_='zm-item')
31 for question in questionlist: #收藏夹的每个问题
32 qtitle = question.find('h2',class_='zm-item-title')
33 if qtitle is none: #被和谐了
34 continue
35
36 questionstr = qtitle.a.string
37 qurl = 'https://www.zhihu.com'+qtitle.a['href'] #问题题目
38 qtitle = re.sub(r'[\\/:*?"<>]','#',qtitle.a.string) #windows文件/目录名不支持的特殊符号
39 try:
40 print('-----正在获取问题:'+qtitle+'-----') #获取到问题的链接和标题，进入抓取
41 except unicodeencodeerror:
42 print(r'---问题含有特殊字符无法显示---')
43 try:
44 qcontent = self.geturl(qurl)
45 except:
46 print('!!!!获取出错!!!!!')
47 pass
48 answerlist = qcontent.find_all('div',class_='zm-item-answer zm-item-expanded')
49 self._processanswer(answerlist,qtitle) #处理问题的答案
50 time.sleep(5)
51
52
53 def _processanswer(self,answerlist,qtitle):
54 j = 0
55 for answer in answerlist:
56 j = j + 1
57
58 upvoted = int(answer.find('span',class_='count').string.replace('k','000')) #获得此答案赞同数
59 if upvoted < self.downlimit:
60 continue
61 authorinfo = answer.find('div',class_='zm-item-answer-author-info') #获取作者信息
62 author = {'introduction':'','link':''}
63 try:
64 author['name'] = authorinfo.find('a',class_='author-link').string #获得作者的名字
65 author['introduction'] = str(authorinfo.find('span',class_='bio')['title']) #获得作者的简介
66 author['link'] = authorinfo.find('a',class_='author-link')['href']
67 except attributeerror:
68 author['name'] = '匿名用户'+str(j)
69 except typeerror: #简介为空的情况
70 pass #匿名用户没有链接
71
72 file_name = os.path.join(store_path,qtitle,'info',author['name']+'_info.txt')
73 if os.path.exists(file_name): #已经抓取过
74 continue
75
76 self.savetext(file_name,'{introduction}\r\n{link}'.format(**author)) #保存作者的信息
77 print('正在获取用户`{name}`的答案'.format(**author))
78 answercontent = answer.find('div',class_='zm-editable-content clearfix')
79 if answercontent is none: #被举报的用户没有答案内容
80 continue
81
82 imgs = answercontent.find_all('img')
83 if len(imgs) == 0: #答案没有上图
84 pass
85 else:
86 self._getimgfromanswer(imgs,qtitle,**author)
87
88 #收录图片
89 def _getimgfromanswer(self,imgs,qtitle,**author):
90 i = 0
91 for img in imgs:
92 if 'inline-image' in img['class']: #不抓取知乎的小图
93 continue
94 i = i + 1
95 imgurl = img['src']
96 extension = os.path.splitext(imgurl)[1]
97 path_name = os.path.join(store_path,qtitle,author['name']+'_'+str(i)+extension)
98 try:
99 self.saveimg(imgurl,path_name) #捕获各种图片异常，流程不中断
100 except:
101 pass
102
103 #收录文字
104 def _gettextfromanswer(self):
105 pass
106
107 #命令行下运行，例：zhihu.py 1 5 获取1到5页的数据
108 if __name__ == '__main__':
109 page, limit, paramsnum= 1, 0, len(sys.argv)
110 if paramsnum>=3:
111 page, pageend = sys.argv[1], sys.argv[2]
112 elif paramsnum == 2:
113 page = sys.argv[1]
114 pageend = page
115 else:
116 page,pageend = 1,1
117
118 spider = zhihucollectionspider(page,pageend,url)
119 spider.start()
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