forked from LiuXingMing/SinaSpider
-
Notifications
You must be signed in to change notification settings - Fork 0
/
pipelines.py
191 lines (169 loc) · 6.81 KB
/
pipelines.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
# encoding=utf-8
# __________________________________________
# 增加了向Mysql数据库中保存pipeline
# 需要有MysqlDB,同时修改Spider文件，增加Item类所有变量的if else的返回值，使得可以标准化存储
# Updated by Charles Yan
# Date:2017.1.4
# Added Mysql insert method
# ------------------------------------------
import pymongo
from items import InformationItem, TweetsItem, RelationshipsItem
import MySQLdb
class MysqlDBPipleline(object):
def __init__(self):
self.count = 1
self.conn = MySQLdb.connect(
host='localhost',
port=3306,
user='root',
#这里填写密码
passwd='***',
db='SinaWeibo',
charset='utf8',
)
self.cur = self.conn.cursor()
def process_item(self, item, spider):
""" 判断item的类型，并作相应的处理，再入数据库 """
if isinstance(item, RelationshipsItem):
try:
print("***********at beginning of saving**********")
print(dict(item))
sql = ''
sql+=str('INSERT INTO SinaWeibo.Relationship (`Host1`,`Host2`) ')
sql+=str(' Values(\'' )
sql+=str(item['Host1'])
print(sql)
sql+=str('\', \'')
sql+=str(item['Host2'])
sql+=str('\')')
print("*********** SQL SYNTAX *********** ")
print(''.join(sql))
self.cur.execute(sql)
self.conn.commit()
print("saved")
self.count = self.count +1
print(self.count)
except Exception:
pass
elif isinstance(item, TweetsItem):
try:
print("***********at beginning of saving**********")
sql = ''
sql+=str('INSERT INTO SinaWeibo.Tweets (`weibo_id`,`User_id`,`Content`,`Pubtime`,`Coordinates`,`Tools`,`Likes`,`Comments`,`Transfers`) ')
sql+=str(' Values(\'' )
sql+=str(item['_id'])
sql+=str('\', \'')
sql+=str(item['ID'])
sql+=str('\', \'')
sql+=str(item['Content'])
sql+=str('\', \'')
sql+=str(item['PubTime'])
sql+=str('\', \'')
sql+=str(item['Co_oridinates'])
sql+=str('\', \'')
sql+=str(item['Tools'])
print(sql)
sql+=str('\', \'')
sql+=str(item['Like'])
sql+=str('\', \'')
sql+=str(item['Comment'])
sql+=str('\', \'')
sql+=str(item['Transfer'])
sql+=str('\')')
print("*********** SQL SYNTAX *********** ")
print(''.join(sql))
self.cur.execute(sql)
self.conn.commit()
print("saved")
self.count = self.count +1
print(self.count)
except Exception:
pass
elif isinstance(item, InformationItem):
try:
print("***********at beginning of saving**********")
sql = ''
sql+=str('INSERT INTO SinaWeibo.Information (`User_id`,`NickName`,`Gender`,`Province`,`City`,`BriefIntroduction`,`Birthday`,`Num_Tweets`,`Num_Follows`,`Num_Fans`,`SexOrientation`,`Sentiment`,`VIPlevel`,`Authentication`,`URL`) ')
sql+=str(' Values(\'' )
sql+=str(item['_id'])
sql+=str('\', \'')
sql+=str(item['NickName'])
sql+=str('\', \'')
sql+=str(item['Gender'])
sql+=str('\', \'')
sql+=str(item['Province'])
sql+=str('\', \'')
sql+=str(item['City'])
sql+=str('\', \'')
sql+=str(item['BriefIntroduction'])
sql+=str('\', \'')
print(sql)
sql+=str(item['Birthday'])
sql+=str('\', \'')
sql+=str(item['Num_Tweets'])
sql+=str('\', \'')
sql+=str(item['Num_Follows'])
sql+=str('\', \'')
sql+=str(item['Num_Fans'])
sql+=str('\', \'')
sql+=str(item['SexOrientation'])
sql+=str('\', \'')
sql+=str(item['Sentiment'])
sql+=str('\', \'')
sql+=str(item['VIPlevel'])
sql+=str('\', \'')
sql+=str(item['Authentication'])
sql+=str('\', \'')
sql+=str(item['URL'])
sql+=str('\')')
print("*********** SQL SYNTAX *********** ")
print(''.join(sql))
self.cur.execute(sql)
self.conn.commit()
print("saved")
self.count = self.count +1
print(self.count)
except Exception:
pass
##在Java开发中，Dao连接会对内存溢出，需要定时断开重连，这里不清楚是否需要，先加上了
if self.count == 1000:
print("try reconnecting")
self.count = 0
self.cur.close()
self.conn.close()
self.conn = MySQLdb.connect(
host='localhost',
port=3306,
user='root',
passwd='***',
db='SinaWeibo',
charset='utf8',
)
self.cur = self.conn.cursor()
print("reconnect")
return item
class MongoDBPipleline(object):
def __init__(self):
clinet = pymongo.MongoClient("localhost", 27017)
db = clinet["Sina"]
self.Information = db["Information"]
self.Tweets = db["Tweets"]
self.Relationships = db["Relationships"]
def process_item(self, item, spider):
""" 判断item的类型，并作相应的处理，再入数据库 """
if isinstance(item, RelationshipsItem):
try:
self.Relationships.insert(dict(item))
except Exception:
pass
elif isinstance(item, TweetsItem):
try:
self.Tweets.insert(dict(item))
except Exception:
pass
elif isinstance(item, InformationItem):
try:
self.Information.insert(dict(item))
except Exception:
pass
return item