custom_redis
DESCRIPTION
python实现简单redis,实现redis基本功能以及可插拔数据结构
主要功能
1 通过继承DataStore类,可以定制个性化数据类型,通过调用redis类的install方法安装数据类型,目前已实现的数据类型有str, set, queue, hash,
2 Redis 的keys, expire, ttl, del等功能已实现
3 数据持久化功能已实现
data flow
server类图
INSTALL
windows && ubuntu
git clone https://github.com/ShichaoMa/custom_redis.git
sudo python setup.py install
or
sudo pip install custom-redis
START
custom-redis-server
HELLOWORD
demo1
custom-redis-client -c keys
[u'a']
custom-redis-client -c zcard a
1
custom-redis-client -c zpop a
2
demo2
>>> from custom_redis.client import Redis
>>> r = Redis("127.0.0.1", 6379)
>>> r.zadd('a', 3, 'aaa')
''
>>> r.zadd('b', 4, 'bbb')
''
>>> r.zadd('a', 1, 'ccc')
''
>>> r.keys()
[u'a', u'b']
>>> r.expire('b', 10)
''
>>> import time
>>> time.sleep(10)
>>> r.ttl('b')
'-1'
>>> r.keys()
[u'a']
demo3
# 服务端实现
# 数据类型个性化定制
# 参见default_data_types.py
# 安装数据类型
cr = CustomRedis.parse_args()
cr.install(datatype=datatype())
cr.start()
demo4
# 客户端实现
# 在functions.CMD_DICT中配置指令
"hgetall": # 指令名
{
"args": ["name"], # 指令所需参数
"recv": lambda data: json.loads(data), # 转换函数,将接收到的报文转换成所需数据类型,若是简单字符串则无需提供
}
"hincrby": {
"args": ["name", "key", "value"],
"send": lambda *args:(args[0], json.dumps(dict([args[1:]]))),# 转换函数,返回key 和value组成的元组
"default":[1] # 指令所需参数的默认值, 从后往前排列 如:1代表value的值
},
# 发送报文的格式:"func_name#-*-#key<->value#-*-#1" # 如 "hincrby#-*-#a<->{'b':1}#-*-#1"
# 最后一位1代表keep-alive, 否则为空
# key:在redis中存储的key,在上例中所指的是参数中的name
# value:要往redis中存储的值 如json.dumps("key":"value")
# 接收报文格式:"200#-*-#success#-*-#data"
# 200为响应码
# 200:成功
# 404:没有找到方法
# 502:Empty
# 503:服务器异常
# success为响应信息
# data为recv中要处理的接收数据
Release files for custom-redis 3.2.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| custom-redis-3.2.2.tar.gz | 15.0 kB | Details |
Release files / custom-redis-3.2.2.tar.gz
| Download URL | custom-redis-3.2.2.tar.gz |
|---|---|
| Size | 15.0 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
13f630f2bc96d12774d35e4ef589d0e1b9ff5ac7346670e56467669f870d739e
|
|
BLAKE2b-256 checksum How to use checksums |
10dd6041e3fd9b82e4a9087931f815bf1f44da03c0d68df418aa9277feb06b63
|
| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/1.13.0 pkginfo/1.5.0.1 requests/2.21.0 setuptools/40.8.0 requests-toolbelt/0.9.1 tqdm/4.32.1 CPython/3.7.3
|