python sqlite3

1）sqlite3工具

用SQLite Database Browser可以直接打开sqlite保持的数据库，而且支持导入csv文件，相当方便。 

 

2) python2.7内置对sqlite3的支持。

下面是解析文件，把url存入数据库的例子。  

 1 '''
 2 Created on 2011-12-23
 3 
 4 @author: Administrator
 5 '''
 6 
 7 import sqlite3
 8 
 9 
10 def sanitize_url(url):
11     pass
12 
13 def store_url():
14     conn = sqlite3.connect("url.db")
15     cursor = conn.cursor()
16     cursor.execute('''create table if not exists URL(url text unique)''')
17     
18     count = 0
19     for line in open("logfile.txt"):
20         url = sanitize_url(line)
21         if url is None:
22             continue
23         try:
24             print url
25             cursor.execute('INSERT INTO URL(url) values (?)', (url,))
26             count += 1
27             if not (count % 1000):
28                 conn.commit()
29         except Exception, e:
30             print "store_url:" + str(e)
31             continue        
32         
33     conn.commit()        
34     cursor.close() 
35     conn.close()
36     
37 if __name__ == '__main__':
38     pass