毕设需要大量的商品评论,网上找的数据比较旧了,自己动手
代理池用的proxypool,github:https://github.com/jhao104/proxy_pool
ua:fake_useragent
1 # 评价较多的店铺(苏宁推荐)
2 https://tuijian.suning.com/recommend-portal/recommendv2/biz.jsonp?parameter=%E5%8D%8E%E4%B8%BA&sceneIds=2-1&count=10
3
4 # 评价
5 https://review.suning.com/ajax/cluster_review_lists/general-30259269-000000010748901691-0000000000-total-1-default-10-----reviewList.htm?callback=reviewList
6
7 # clusterid
8 # 在查看全部评论的href中,实际测试发现是执行js加上的,两种方案
9 # 1.去匹配js中的clusterId
10 # 2.或者用selenium/phantomjs去请求执行js之后的页面然后解析html获得href
代码:
1 # -*- coding: utf-8 -*-
2 # @author: Tele
3 # @Time : 2019/04/15 下午 8:20
4 import time
5 import requests
6 import os
7 import json
8 import re
9 from fake_useragent import UserAgent
10
11
12 class SNSplider:
13 flag = True
14 regex_cluser_id = re.compile("\"clusterId\":\"(.{8})\"")
15 regex_comment = re.compile("reviewList\((.*)\)")
16
17 @staticmethod
18 def get_proxy():
19 return requests.get("http://127.0.0.1:5010/get/").content.decode()
20
21 @staticmethod
22 def get_ua():
23 ua = UserAgent()
24 return ua.random
25
26 def __init__(self, kw_list):
27 self.kw_list = kw_list
28 # 评论url 参数顺序:cluser_id,sugGoodsCode,页码
29 self.url_temp = "https://review.suning.com/ajax/cluster_review_lists/general-{}-{}-0000000000-total-{}-default-10-----reviewList.htm"
30 self.headers = {
31 "User-Agent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36",
32 }
33 self.proxies = {
34 "http": None
35 }
36 self.parent_dir = None
37 self.file_dir = None
38
39 # ua,proxy
40 def check(self):
41 self.headers["User-Agent"] = SNSplider.get_ua()
42 proxy = "http://" + SNSplider.get_proxy()
43 self.proxies["http"] = proxy
44 print("ua:", self.headers["User-Agent"])
45 print("proxy:", self.proxies["http"])
46
47 # 评论
48 def parse_url(self, cluster_id, sugGoodsCode, page):
49 url = self.url_temp.format(cluster_id, sugGoodsCode, page)
50 response = requests.get(url, headers=self.headers, proxies=self.proxies, verify=False)
51 if response.status_code == 200:
52 print(url)
53 if len(response.content) < 0:
54 return
55 data = json.loads(SNSplider.regex_comment.findall(response.content.decode())[0])
56 if "commodityReviews" in data:
57 # 评论
58 comment_list = data["commodityReviews"]
59 if len(comment_list) > 0:
60 item_list = list()
61 for comment in comment_list:
62 item = dict()
63 try:
64 # 商品名
65 item["referenceName"] = comment["commodityInfo"]["commodityName"]
66 except:
67 item["referenceName"] = None
68 # 评论时间
69 item["creationTime"] = comment["publishTime"]
70 # 内容
71 item["content"] = comment["content"]
72 # label
73 item["label"] = comment["labelNames"]
74 item_list.append(item)
75
76 # 保存
77 with open(self.file_dir, "a", encoding="utf-8") as file:
78 file.write(json.dumps(item_list, ensure_ascii=False, indent=2))
79 file.write("\n")
80 time.sleep(5)
81 else:
82 SNSplider.flag = False
83 else:
84 print("评论页出错")
85
86 # 提取商品信息
87 def get_product_info(self):
88 url_temp = "https://tuijian.suning.com/recommend-portal/recommendv2/biz.jsonp?parameter={}&sceneIds=2-1&count=10"
89 result_list = list()
90 for kw in self.kw_list:
91 url = url_temp.format(kw)
92 response = requests.get(url, headers=self.headers, proxies=self.proxies, verify=False)
93 if response.status_code == 200:
94 kw_dict = dict()
95 id_list = list()
96 data = json.loads(response.content.decode())
97 skus_list = data["sugGoods"][0]["skus"]
98 if len(skus_list) > 0:
99 for skus in skus_list:
100 item = dict()
101 sugGoodsCode = skus["sugGoodsCode"]
102 # 请求cluserId
103 item["sugGoodsCode"] = sugGoodsCode
104 item["cluster_id"] = self.get_cluster_id(sugGoodsCode)
105 id_list.append(item)
106 kw_dict["title"] = kw
107 kw_dict["id_list"] = id_list
108 result_list.append(kw_dict)
109 else:
110 pass
111 return result_list
112
113 # cluserid
114 def get_cluster_id(self, sugGoodsCode):
115 self.check()
116 url = "https://product.suning.com/0000000000/{}.html".format(sugGoodsCode[6::])
117 response = requests.get(url, headers=self.headers, proxies=self.proxies, verify=False)
118 if response.status_code == 200:
119 cluser_id = None
120 try:
121 cluser_id = SNSplider.regex_cluser_id.findall(response.content.decode())[0]
122 except:
123 pass
124 return cluser_id
125 else:
126 print("请求cluster id出错")
127
128 def get_comment(self, item_list):
129 if len(item_list) > 0:
130 for item in item_list:
131 id_list = item["id_list"]
132 item_title = item["title"]
133 if len(id_list) > 0:
134 self.parent_dir = "f:/sn_comment/" + item_title + time.strftime("-%Y-%m-%d-%H-%M-%S",
135 time.localtime(time.time()))
136 if not os.path.exists(self.parent_dir):
137 os.makedirs(self.parent_dir)
138 for product_code in id_list:
139 # 检查proxy,ua
140 sugGoodsCode = product_code["sugGoodsCode"]
141 cluster_id = product_code["cluster_id"]
142 if not cluster_id:
143 continue
144 page = 1
145 # 检查目录
146 self.file_dir = self.parent_dir + "/" + sugGoodsCode[6::] + "_ratecontent.txt"
147 self.check()
148 while SNSplider.flag:
149 self.parse_url(cluster_id, sugGoodsCode, page)
150 page += 1
151 SNSplider.flag = True
152 else:
153 print("---error,empty id list---")
154 else:
155 print("---error,empty item list---")
156
157 def run(self):
158 self.check()
159 item_list = self.get_product_info()
160 print(item_list)
161 self.get_comment(item_list)
162
163
164 def main():
165 # , "华为mate20pro", "vivoz3", "oppok1", "荣耀8x", "小米9", "小米mix3", "三星s9", "iphonexr", "iphonexs"
166 # "华为p30pro", "华为mate20pro", "vivoz3""oppok1""荣耀8x", "小米9"
167 kw_list = ["小米mix3", "三星s9", "iphonexr", "iphonexs"]
168 splider = SNSplider(kw_list)
169 splider.run()
170
171
172 if __name__ == '__main__':
173 main()
