sudo apt-get install python-mysqldb 

import MySQLdb 
db = MySQLdb.connect(“localhost”, “root”, “pwd”, “dbname”, charset='utf8' )

#加入参数表示查询返回的是一个键值数组而不是默认的元组 
cursor = db.cursor(cursorclass = MySQLdb.cursors.DictCursor)

# 执行SQL语句 
cursor.execute(sql) 
# 获取所有记录列表 
results = cursor.fetchall() 
for row in results: 
fname = row[‘key'] 
# 打印结果 
print fname 
except: 
print “Error: unable to fecth data” 
db.close()