python 实现redis 操作API 接口，提供其他程序调用

#!/usr/bin/env python
#-*-coding:UTF-8-*-
"""
@Item   :  redis API
@Author :  william
@Group  :  DEV Group
@Date   :  2014-04-04
@Funtion:
        redis_set : Redis in the form of pipe insert data, json hash as a string print
        redis_get : Redis inprintion, and json string into the original print
"""
import sys,os,time,redis,traceback,json
from abc import log
from abc import config
LOG = log.get_logger(__name__)
class redising(object):
    ''' Establish redis session connection pool '''
    def __init__ (self,host,port,db):
        self.host = host
        self.port = port
        self.db = db
        try:
            pool = redis.ConnectionPool(host = self.host, port = self.port, db = self.db)
            self.conn  = redis.Redis(connection_pool=pool)
            self.pipe = self.conn.pipeline()
        except:
            LOG.error(traceback.format_exc())
            return traceback.format_exc()
    def redis_set(self,keys=None ,values=None):
        ''' Insert redis databases,keys = key ,values = value'''
        try:
            self.pipe.set(keys,json.dumps(values))
            self.pipe.execute()
        except:
            LOG.error(traceback.format_exc())
            return traceback.format_exc()
    def redis_hset(self, key, field, values):
        '''insert redis key, field ,values'''
        try:
            self.pipe.hset(key, field, json.dumps(values))
            self.pipe.execute()
        except:
            LOG.error(traceback.format_exc())
            return traceback.format_exc()
    def redis_hget(self, key, field = None):
        '''get by key, return the dict'''
        try:
            fields = []
            if field:
                fields.append(field)
            else:
                fields = self.conn.hkeys(key)
            for f in fields:
                self.pipe.hget(key, f)
            values = self.pipe.execute()
            values = [json.loads(i) for i in values]
            return dict(zip(fields, values))
        except:
            return key
    def redis_get(self,argv):
        ''' Getting single KYES values ,argv : is keys'''
        try:
            self.pipe.get(argv)
            return json.loads( self.pipe.execute()[0])
        except:
            LOG.error(traceback.format_exc())
            return traceback.format_exc()
    def redis_getkeys(self):
        ''' Getting all keys '''
        try:
            self.pipe.keys('*')
            return self.pipe.execute()[0]
        except:
            LOG.error(traceback.format_exc())
            return traceback.format_exc()
    def redis_delete(self,keys):
        try:
            self.pipe.delete(keys)
            self.pipe.execute()
            return 'Delete True'
        except:
            LOG.error(traceback.format_exc())
            return 'Delete False'