class SSDBZset(object, SSDBBase):
def __init__(self,
zset_name,
host="127.0.0.1",
port=8888,
max_connections=10,
timeout=60):
self.zset_name = zset_name
self.host = host
self.port = port
self.max_connections = max_connections
self.timeout = timeout
pool = BlockingConnectionPool(connection_class=Connection,
max_connections=max_connections,
timeout=timeout,
host=host,
port=port)
self.ssdb = SSDB(connection_pool=pool)
SSDBBase.__init__(self, self.ssdb)
def set(self, key, value, score):
return self.ssdb.zset(self.zset_name, key, score)
def get(self, key):
return self.ssdb.zget(self.zset_name, key)
def delete(self, key):
return self.ssdb.zdel(self.zset_name, key)
def keys(self, key_start="", score_start="", score_end="", limit=10):
return self.ssdb.zkeys(self.zset_name, key_start, score_start,
score_end, limit)
def exists(self, key):
return self.ssdb.zexists(self.zset_name, key)
def size(self):
return self.ssdb.zsize(self.zset_name)
def list(self, name_start="", name_end="", limit=10):
#列出名字处于区间 (name_start, name_end] 的 hashmap
return self.ssdb.zlist(name_start, name_end, limit)
def clear(self):
return self.ssdb.zclear(self.zset_name)
class QueueSSDB(QueueBase.QueueBase):
"""
base class , only provide interface for sub class to implement
"""
def __init__(self, name, host='localhost', port=8888, **kwargs):
QueueBase.QueueBase.__init__(self, name, host, port)
self.__conn = SSDB(connection_pool=BlockingConnectionPool(host=self.host, port=self.port))
#queue
@QueueBase.catch
def put(self, value, *args, **kwargs):
"""
put an item in the back of a queue
:param value:
:param args:
:param kwargs:
:return:
"""
return self.__conn.qpush_back(self.name,
json.dumps(value, ensure_ascii=False).encode('utf-8') if isinstance(value, dict) or isinstance(value, list) else value)
def save(self, value, *args, **kwargs):
"""
put an item in the back of a queue
:param value:
:param args:
:param kwargs:
:return:
"""
return self.__conn.qpush_back(self.name,
json.dumps(value, ensure_ascii = False).encode('utf-8') if isinstance(value,
dict) or isinstance(
value, list) else value)
@QueueBase.catch
def get(self, *args, **kwargs):
"""
get element from the from of queue
:param args:
:param kwargs:
:return:
"""
value = self.__conn.qpop_front(self.name)
return value[0] if value else value
@QueueBase.catch
def getMore(self, *args, **kwargs):
"""
get element from the from of queue
:param args:
:param kwargs:
:return:
"""
value = self.__conn.qpop_front(self.name, **kwargs)
return value
@QueueBase.catch
def size(self, *args, **kwargs):
return self.__conn.qsize(self.name)
@QueueBase.catch
def changeTable(self, name):
"""
change the queue name to operate
:param name:
:return:
"""
self.name = name
@QueueBase.catch
def select_queue(self, name):
"""
change the queue name to operate
:param name:
:return:
"""
self.name = name
@QueueBase.catch
def qclaerQueue(self):
return self.__conn.qclear(self.name)
#KV
@QueueBase.catch
def keySet(self,key,value):
"""
Set the value at key ``name`` to ``value`` .
:param key:
:param value:
:return:
"""
value = json.dumps(value, ensure_ascii = False).encode('utf-8') if isinstance(value,dict) or isinstance(value, list) else value
return self.__conn.set(key,value)
@QueueBase.catch
def keySetx(self,name, value, ttl=-1):
"""
Set the value of key ``name`` to ``value`` that expires in ``ttl``
seconds. ``ttl`` can be represented by an integer or a Python
timedelta object.
:param name:
:param value:
:param ttl:
:return:
"""
return self.__conn.setx(name,value,ttl=ttl)
@QueueBase.catch
def keyTtl(self,key):
"""
Returns the number of seconds until the key ``name`` will expire.
:return:
"""
self.__conn.ttl(key)
@QueueBase.catch
def keyGet(self,key):
"""
Return the value at key ``name``, or ``None`` if the key doesn't exist
:param key:
:return:
"""
return self.__conn.get(key)
@QueueBase.catch
def keyDel(self,key):
"""
Delete the key specified by ``name`` .
:param key:
:return:
"""
return self.__conn.delete(key)
@QueueBase.catch
def keyKeys(self,key_start='',key_end=''):
"""
Return a list of the top ``limit`` keys between ``name_start`` and
``name_end``
:param key_start:
:param key_end:
:return:
"""
return self.__conn.keys(name_start=key_start,name_end=key_end,limit=100000)
@QueueBase.catch
def keyexists(self,key):
"""
:param key:
:return:
"""
return self.__conn.exists(key)
#SET
@QueueBase.catch
def zsetSet(self,field,score = 1):
if field:
if isinstance(field, dict) or isinstance(field, list):
field = json.dumps(field)
field = field if len(field) < 100 else field[:100]
return self.__conn.zset(self.name, field, score)
@QueueBase.catch
def zgetSet(self,key):
return self.__conn.zget(self.name,key)
@QueueBase.catch
def zexistsSet(self,name,field):
return self.__conn.zexists(name,field)
@QueueBase.catch
def zkeysSet(self):
return self.__conn.zkeys(self.name,'','','',limit=100000000)
@QueueBase.catch
def zdelSet(self,key):
return self.__conn.zdel(self.name,key)
@QueueBase.catch
def multi_zgetSet(self,*keys):
return self.__conn.multi_zget(self.name,*keys)
#Hash
@QueueBase.catch
def hgetallHash(self,key):
return self.__conn.hgetall(key)
@QueueBase.catch
def hincrHash(self,name,key):
return self.__conn.hincr(name,key,amount=1)
@QueueBase.catch
def multi_hsetHash(self,name,**mapping):
return self.__conn.multi_hset(name, **mapping)
@QueueBase.catch
def hlistHash(self,start,end):
return self.__conn.hlist(start, end, limit = 10000000)
@QueueBase.catch
def hclearHash(self,key):
return self.__conn.hclear(key)
@QueueBase.catch
def hset(self, key,value):
return self.__conn.hset(self.name, key,json.dumps(value, ensure_ascii = False).encode('utf-8')
if isinstance(value,dict) or isinstance(value, list) else value)
@QueueBase.catch
def hsize(self):
return self.__conn.hsize(self.name)
@QueueBase.catch
def hget(self, key = None):
if key:
return self.__conn.hget(self.name, key)
else:
if self.__conn.hsize(self.name) > 0:
keys=self.__conn.hkeys(self.name,"", "",limit=1)
if keys:
key=keys[0]
v=self.__conn.hget(self.name, key)
self.__conn.hdel(self.name, key)
return v