Linux下MySQLdb安装见
http://blog.csdn.net/wklken/article/details/7271019
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以下是windows环境下的:
1. 安装数据库mysql
下载地址:http://www.mysql.com/downloads/
可以顺带装个图形工具,我用的是MySQL-Front
2. 安装MySQLdb
好了,到了这一步,你有两个选择
A. 安装已编译好的版本(一分钟)
B. 从官网下,自己编译安装(介个…..半小时到半天不等,取决于你的系统环境以及RP)
若是系统32位的,有c++编译环境的,自认为RP不错的,可以选择自己编译安装,当然,遇到问题还是难免的,一步步搞还是能搞出来的
若是系统64位的,啥都木有的,建议下编译版本的,甭折腾
2.1安装已编译版本:
http://www.codegood.com/downloads
根据自己系统下载,双击安装,搞定
然后import MySQLdb,查看是否成功
我的,win7,64位,2.7版本
MySQL-python-1.2.3.win-amd64-py2.7.exe
2.2自己编译安装
话说搞现成的和自己编译差距不一一点半点的,特别是64位win7,搞死了
2.2.1安装setuptools
在安装MySQLdb之前必须安装setuptools,要不然会出现编译错误
http://pypi.python.org/pypi/setuptools
http://peak.telecommunity.com/dist/ez_setup.py 使用这个安装(64位系统必须用这个)
2.2.2安装MySQLdb
http://sourceforge.net/projects/mysql-python/
解压后,cmd进入对应文件夹
如果32位系统且有gcc编译环境,直接
python setup.py build
2.2.3问题汇总
A. 64位系统,无法读取注册表的问题
异常信息如下:
F:\devtools\MySQL-python-1.2.3>pythonsetup.py build
Traceback (most recent call last):
File "setup.py", line 15, in <module>
metadata, options = get_config()
File "F:\devtools\MySQL-python-1.2.3\setup_windows.py", line7, in get_config
serverKey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, options[' registry_ke
y'] )
WindowsError: [Error 2] The system cannotfind the file specified
解决方法:
其实分析代码,发现只是寻找mysql的安装地址而已 修改setup_windows.py如下
注解两行,加入一行,为第一步mysql的安装位置
#serverKey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE,options['registry_key'] )
#mysql_root, dummy = _winreg.QueryValueEx(serverKey,'Location')
mysql_root = r"F:\devtools\MySQL\MySQL Server 5.5"
B.没有gcc编译环境
unable to find vcvarsall.bat
解决方法:安装编译环境(一个老外的帖子)
1) First ofall download MinGW. Youneed g++compiler and MingW make in setup.
2) If youinstalled MinGW for example to “C:\MinGW” then add “C:\MinGW\bin”to your PATH in Windows.(安装路径加入环境变量)
3) Now startyour Command Prompt and Go the directory where you have your setup.py residing.
4) Last andmost important step:
setup.py install build --compiler=mingw32
或者在setup.cfg中加入:
[build]
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compiler = mingw32
C.gcc:
/Zl
: No suchfile or directory错误
异常信息如下
F:\devtools\MinGW\bin\gcc.exe -mno-cygwin-mdll -O -Wall -Dversion_info=(1,2,3,'
final',0) -D__version__=1.2.3
"-IF:\devtools\MySQL\MySQL Server 5.5\include"
-IC
:\Python27\include -IC:\Python27\PC -c_mysql.c -o build\temp.win-amd64-2.7\Rele
ase\_mysql.o
/Zl
gcc: error:
/Zl
: No such
file
or directory
error:
command
'gcc'
failed with exitstatus 1
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参数是vc特有的编译参数,如果使用mingw的话因为是gcc所以不支持。可以在setup_windows.py中去掉
/Zl
解决方法:
修改setup_windows.py 改为空的
#extra_compile_args = [ '/Zl' ]
extra_compile_args = [ '' ]
目前就遇到这几个问题,望补充
3. 增删改查代码示例及结果(just for test)
[sql]
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CREATE TABLE `user` (
`Id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(255) DEFAULT NULL,
`age` varchar(255) DEFAULT NULL,
PRIMARY KEY (`Id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;
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[python]
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#-*- coding:utf-8 -*-
#dbtest.py
#just used for a mysql test
'''''
Created on 2012-2-12
@author: ken
'''
#mysqldb
import
time, MySQLdb, sys
#connect
conn
=
MySQLdb.connect(host
=
"localhost"
,user
=
"root"
,passwd
=
"test_pwd"
,db
=
"school"
,charset
=
"utf8"
)
cursor
=
conn.cursor()
#add
sql
=
"insert into user(name,age) values(%s,%s)"
param
=
(
"tom"
,
str
(
20
))
n
=
cursor.execute(sql,param)
print
n
#更新
sql
=
"update user set name=%s where Id=9001"
param
=
(
"ken"
)
n
=
cursor.execute(sql,param)
print
n
#查询
n
=
cursor.execute(
"select * from user"
)
for
row
in
cursor.fetchall():
for
r
in
row:
print
r,
print
""
#删除
sql
=
"delete from user where name=%s"
param
=
(
"ted"
)
n
=
cursor.execute(sql,param)
print
n
cursor.close()
#关闭
conn.close()
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