Python连接Redis的基本配置方法


Posted in Python onSeptember 13, 2018

在Linux系统下Python连接Redis的基本配置方法具体操作步骤

系统环境:

OS:Oracle Linux Enterprise 5.6

Redis:redis-2.6.8

Python:Python-2.7.3

redis的python包版本:redis-2.7.2.tar

前提条件:

1.确保Redis已成功安装并且正确配置,参考文档

主从配置文档:

2.确保Python环境已成功配置,参考文档

配置python连接redis:

1.安装Redis的Python包:

使用easy-install安装,关于easy-install的配置,参考以上Python环境的搭建。

[root@njdyw bin]# easy_install2.7.3 redis
Searching for redis
Reading http://pypi.python.org/simple/redis/
Reading http://github.com/andymccurdy/redis-py
Best match: redis 2.7.2
Downloading http://pypi.python.org/packages/source/r/redis/redis-2.7.2.tar.gz#md5=17ac60dcf13eb33f82cc25974ab17157
Processing redis-2.7.2.tar.gz
Running redis-2.7.2/setup.py -q bdist_egg --dist-dir /tmp/easy_install-8FAlft/redis-2.7.2/egg-dist-tmp-JzQViJ
zip_safe flag not set; analyzing archive contents...
Adding redis 2.7.2 to easy-install.pth file
 
Installed /usr/local/python2.7.3/lib/python2.7/site-packages/redis-2.7.2-py2.7.egg
Processing dependencies for redis
Finished processing dependencies for redis

安装Parser包(可选)

说明:Parser可以控制如何解析redis响应的内容。redis-py包含两个Parser类,PythonParser和HiredisParser。默认,如果已经安装了hiredis模块,redis-py会使用HiredisParser,否则会使用PythonParser。

HiredisParser是C编写的,由redis核心团队维护,性能要比PythonParser提高10倍以上,所以推荐使用。安装方法,使用easy_install:

[root@njdyw ~]# easy_install2.7.3 hiredis
Searching for hiredis
Reading http://pypi.python.org/simple/hiredis/
Reading https://github.com/pietern/hiredis-py
Best match: hiredis 0.1.1
Downloading http://pypi.python.org/packages/source/h/hiredis/hiredis-0.1.1.tar.gz#md5=92128474f6fb027cfb8587fce724ea8e
Processing hiredis-0.1.1.tar.gz
Running hiredis-0.1.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-ZanSCB/hiredis-0.1.1/egg-dist-tmp-XCZBQ0
zip_safe flag not set; analyzing archive contents...
Adding hiredis 0.1.1 to easy-install.pth file
 
Installed /usr/local/python2.7.3/lib/python2.7/site-packages/hiredis-0.1.1-py2.7-linux-x86_64.egg
Processing dependencies for hiredis
Finished processing dependencies for hiredis

2.检查安装是否成功

--easy-install安装的扩展包默认在python的site-packages目录下

[root@njdyw ~]#whereis python2.7.3
python2.7: /bin/python2.7.3 /usr/local/python2.7.3
[root@njdyw ~]#cd /usr/local/python2.7.3/lib/python2.7/site-packages/
[root@njdyw site-packages]# ll

总计 408

-rw-r--r-- 1 root root  239 03-21 10:45 easy-install.pth
-rw-r--r-- 1 root root  119 03-21 10:07 README
-rw-r--r-- 1 root root 60401 03-21 10:45redis-2.7.2-py2.7.egg
-rw-r--r-- 1 root root 332125 03-21 10:12 setuptools-0.6c11-py2.7.egg
-rw-r--r-- 1 root root   30 03-21 10:12 setuptools.pth

可以看到redis-2.7.2-py2.7.egg包已经成功安装

3.测试连接

[root@njdyw site-packages]#python2.7.3
Python 2.7.3 (default, Mar 21 2013, 10:06:48)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-50)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>import redis
>>>redisClient=redis.StrictRedis(host='127.0.0.1',port=6379,db=0)
>>> redisClient.set('test_redis','Hello Python')
True
>>> value=redisClient.get('test_redis')
>>> print value
Hello Python
>>> redisClient.delete('test_redis')
True
>>> value=redisClient.get('test_redis')
>>> print value
None
 
 
>>> dir(redis)
['AuthenticationError', 'Connection', 'ConnectionError', 'ConnectionPool', 'DataError', 'InvalidResponse', 'PubSubError', 'Redis', 'RedisError', 'ResponseError', 'StrictRedis', 'UnixDomainSocketConnection', 'VERSION', 'WatchError', '__all__', '__builtins__', '__doc__', '__file__', '__loader__', '__name__', '__package__', '__path__', '__version__', '_compat', 'client', 'connection', 'exceptions', 'from_url', 'utils']
>>> redisClient=redis.StrictRedis(host='127.0.0.1',port=6379,db=0)
>>> dir(redisClient)
['RESPONSE_CALLBACKS', '__class__', '__contains__', '__delattr__', '__delitem__', '__dict__', '__doc__', '__format__', '__getattribute__', '__getitem__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_zaggregate', 'append', 'bgrewriteaof', 'bgsave', 'bitcount', 'bitop', 'blpop', 'brpop', 'brpoplpush', 'client_kill', 'client_list', 'config_get', 'config_set', 'connection_pool', 'dbsize', 'debug_object', 'decr', 'delete', 'echo', 'eval', 'evalsha', 'execute_command', 'exists', 'expire', 'expireat', 'flushall', 'flushdb', 'from_url', 'get', 'getbit', 'getrange', 'getset', 'hdel', 'hexists', 'hget', 'hgetall', 'hincrby', 'hincrbyfloat', 'hkeys', 'hlen', 'hmget', 'hmset', 'hset', 'hsetnx', 'hvals', 'incr', 'incrbyfloat', 'info', 'keys', 'lastsave', 'lindex', 'linsert', 'llen', 'lock', 'lpop', 'lpush', 'lpushx', 'lrange', 'lrem', 'lset', 'ltrim', 'mget', 'move', 'mset', 'msetnx', 'object', 'parse_response', 'persist', 'pexpire', 'pexpireat', 'ping', 'pipeline', 'pttl', 'publish', 'pubsub', 'randomkey', 'register_script', 'rename', 'renamenx', 'response_callbacks', 'rpop', 'rpoplpush', 'rpush', 'rpushx', 'sadd', 'save', 'scard', 'script_exists', 'script_flush', 'script_kill', 'script_load', 'sdiff', 'sdiffstore', 'set', 'set_response_callback', 'setbit', 'setex', 'setnx', 'setrange', 'shutdown', 'sinter', 'sinterstore', 'sismember', 'slaveof', 'smembers', 'smove', 'sort', 'spop', 'srandmember', 'srem', 'strlen', 'substr', 'sunion', 'sunionstore', 'time', 'transaction', 'ttl', 'type', 'unwatch', 'watch', 'zadd', 'zcard', 'zcount', 'zincrby', 'zinterstore', 'zrange', 'zrangebyscore', 'zrank', 'zrem', 'zremrangebyrank', 'zremrangebyscore', 'zrevrange', 'zrevrangebyscore', 'zrevrank', 'zscore', 'zunionstore']
>>>

4.测试实例:

(1).把文本数据导入到redis

--导入的数据格式

[root@njdyw ~]#more data.txt
wolys # wolysopen111 # wolys@21cn.com
coralshanshan # 601601601 # zss1984@126.com
pengfeihuchao # woaidami # 294522652@qq.com
simulategirl # @#$9608125 # simulateboy@163.com
daisypp # 12345678 # zhoushigang_123@163.com
sirenxing424 # tfiloveyou # sirenxing424@126.com
raininglxy # 1901061139 # lixinyu23@qq.com
leochenlei # leichenlei # chenlei1201@gmail.com
z370433835 # lkp145566 # 370433835@qq.com

创建命令脚本

[root@njdyw ~]#cat imp_red.py
import redis
import re
pool = redis.ConnectionPool(host='127.0.0.1', port=6379)
r = redis.Redis(connection_pool=pool)
pipe = r.pipeline()
p=re.compile(r'(.*)\s#\s(.*)\s#\s(.*)');
pipe = r.pipeline()
f = open("data.txt")
matchs=p.findall(f.read())
for user in matchs:
  key='users_%s' %user[0].strip()
  pipe.hset(key,'pwd',user[1].strip()).hset(key,'email',user[2].strip())
pipe.execute()
f.close()

注意:要严格控制python脚本中的空格

--执行脚本

[root@njdyw ~]# python2.7.3 imp_red.py

查看导入数据

[root@njdyw ~]#redis-cli
redis 127.0.0.1:6379> keys *
 1) "users_xiaochuan2018"
 2) "users_coralshanshan"
 3) "users_xiazai200901"
 4) "users_daisypp"
 5) "users_boiny"
 6) "users_raininglxy"
 7) "users_fennal"
 8) "users_abc654468252"
 9) "users_babylovebooks"
10) "users_xl200811"
11) "users_baby19881018"
12) "users_darksoul0929"
13) "users_pengcfwxh"
14) "users_alex126126"
15) "users_jiongjiongmao"
16) "users_sirenxing424"
17) "users_mengjie007"
18) "users_cxx0409"
19) "users_candly8509"
20) "users_licaijun007"
21) "users_ai3Min2"
22) "users_bokil"
23) "users_z370433835"
24) "users_yiling1007"
25) "users_simulategirl"
26) "users_fxh852"
27) "users_baoautumn"
28) "users_huangdaqiao"
29) "users_q1718334567"
30) "users_xldq_l"
31) "users_beibeilong012"
32) "users_hudaoyin"
33) "users_yoyomika"
34) "users_jacksbalu"
35) "users_wolys"
36) "users_kangte1"
37) "users_demonhaodh"
38) "users_ysdz8"
39) "users_leochenlei"
40) "users_llx6888"
41) "users_pengfeihuchao"
redis 127.0.0.1:6379>
redis 127.0.0.1:6379>hget users_pengfeihuchao email
"294522652@qq.com"
redis 127.0.0.1:6379> hget users_llx6888 email
"linlixian200606@126.com"

好了,测试连接成功,如果你没有测试成功请认真看一下操作步骤

Python 相关文章推荐
python list语法学习(带例子)
Nov 01 Python
Python CSV模块使用实例
Apr 09 Python
Python中反射和描述器总结
Sep 23 Python
使用Python机器学习降低静态日志噪声
Sep 29 Python
python的依赖管理的实现
May 14 Python
Django框架静态文件使用/中间件/禁用ip功能实例详解
Jul 22 Python
python模拟点击网页按钮实现方法
Feb 25 Python
python标准库OS模块详解
Mar 10 Python
Django REST 异常处理详解
Jul 15 Python
Python是怎样处理json模块的
Jul 16 Python
python基于win32api实现键盘输入
Dec 09 Python
OpenCV绘制圆端矩形的示例代码
Aug 30 Python
Python线程下使用锁的技巧分享
Sep 13 #Python
Python利用ORM控制MongoDB(MongoEngine)的步骤全纪录
Sep 13 #Python
python中字符串内置函数的用法总结
Sep 13 #Python
浅析python继承与多重继承
Sep 13 #Python
Python中分支语句与循环语句实例详解
Sep 13 #Python
Python爬虫小技巧之伪造随机的User-Agent
Sep 13 #Python
Python爬虫基础之XPath语法与lxml库的用法详解
Sep 13 #Python
You might like
Wordpress 相册插件 NextGEN-Gallery 添加目录将中文转为拼音的解决办法
2010/12/29 PHP
浅析THINKPHP的addAll支持的最大数据量
2015/02/03 PHP
php实现将Session写入数据库
2015/07/26 PHP
PHP下用Swoole实现Actor并发模型的方法
2019/06/12 PHP
读jQuery之五(取DOM元素)
2011/06/20 Javascript
JS获得URL超链接的参数值实例代码
2013/06/21 Javascript
不要使用jQuery触发原生事件的方法
2014/03/03 Javascript
javascript结合ajax读取txt文件内容
2014/12/05 Javascript
JavaScript实现动画打开半透明提示层的方法
2015/04/21 Javascript
jquery.validate使用详解
2016/06/02 Javascript
微信小程序 定位到当前城市实现实例代码
2017/02/23 Javascript
vue2组件实现懒加载浅析
2017/03/29 Javascript
vue中的scope使用详解
2017/10/29 Javascript
详解Vue路由钩子及应用场景(小结)
2017/11/07 Javascript
用p5.js制作烟花特效的示例代码
2018/03/21 Javascript
教你搭建按需加载的Vue组件库(小结)
2019/07/29 Javascript
解决pycharm双击但是无法打开的情况
2020/10/31 Javascript
微信小程序基于ColorUI构建皮皮虾短视频去水印组件
2020/11/04 Javascript
在Python中操作日期和时间之gmtime()方法的使用
2015/05/22 Python
详解使用Python处理文件目录的相关方法
2015/10/16 Python
获取python的list中含有重复值的index方法
2018/06/27 Python
python matlibplot绘制多条曲线图
2021/02/19 Python
PyCharm中Matplotlib绘图不能显示UI效果的问题解决
2020/03/12 Python
Python使用pdb调试代码的技巧
2020/05/03 Python
python如何调用字典的key
2020/05/25 Python
python中np是做什么的
2020/07/21 Python
Python在线和离线安装第三方库的方法
2020/10/31 Python
Parts Express:音频、视频和扬声器的第一来源
2017/04/25 全球购物
27个经典Linux面试题及答案,你知道几个?
2014/03/11 面试题
财务部岗位职责
2013/11/19 职场文书
小学教师个人先进事迹材料
2014/05/17 职场文书
大学应届毕业生求职信
2014/05/24 职场文书
幼儿园爱国卫生月活动总结
2014/06/30 职场文书
创业计划书详解
2019/07/19 职场文书
导游词之徐州云龙湖
2019/11/19 职场文书
python基于turtle绘制几何图形
2021/06/15 Python