本文整理汇总了Python中redis.client.StrictRedis.ltrim方法的典型用法代码示例。如果您正苦于以下问题：Python StrictRedis.ltrim方法的具体用法？Python StrictRedis.ltrim怎么用？Python StrictRedis.ltrim使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类redis.client.StrictRedis的用法示例。
在下文中一共展示了StrictRedis.ltrim方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: StrictRedis
# 需要导入模块: from redis.client import StrictRedis [as 别名]
# 或者: from redis.client.StrictRedis import ltrim [as 别名]
# -*- coding: gbk -*-
'''
Created on 2012-5-26
@author: Sky
'''
from redis.client import StrictRedis
Sr = StrictRedis(host='localhost', port=6379, db=0)
Sr.set('foo', 'bar')
#print(str(Sr.get('foo'), encoding = "utf-8") == 'bar')
print(Sr.get('foo'))
Sr.hset("MyHash", "field1", "ль¤У")
print(Sr.hget("MyHash", "field11"))
Sr.rpush("list", "one")
Sr.rpush("list", "two")
print(Sr.llen("list"))
Sr.ltrim("list", 1, 0)
print(Sr.llen("list"))
Sr.hset("MyHash", "Key1", "Value1")
Sr.hset("MyHash", "Key2", "Value2")
for i in Sr.hkeys("MyHash"):
print(i)
print(Sr.hlen("PlayerHash"))
print(Sr.get("XXX"))
print(type(Sr.smembers("EnemyTemplate:16:LOOT")))
for i in Sr.smembers("EnemyTemplate:16:LOOT"):
print(i)
示例2: RedisStore
# 需要导入模块: from redis.client import StrictRedis [as 别名]
# 或者: from redis.client.StrictRedis import ltrim [as 别名]
#.........这里部分代码省略.........
def reload_object(self, dbo_key):
dbo = self._object_map.get(dbo_key)
if dbo:
json_str = self.redis.get(dbo_key)
if not json_str:
warn("Failed to find {} in database for reload", dbo_key)
return None
return self.update_object(dbo, json_decode(json_str))
return self.load_object(dbo_key)
def evict_object(self, dbo):
self._object_map.pop(dbo.dbo_key, None)
def fetch_set_keys(self, set_key):
return self.redis.smembers(set_key)
def add_set_key(self, set_key, *values):
self.redis.sadd(set_key, *values)
def delete_set_key(self, set_key, value):
self.redis.srem(set_key, value)
def set_key_exists(self, set_key, value):
return self.redis.sismember(set_key, value)
def db_counter(self, counter_id, inc=1):
return self.redis.incr("counter:{}".format(counter_id), inc)
def delete_key(self, key):
self.redis.delete(key)
def set_index(self, index_name, key, value):
return self.redis.hset(index_name, key, value)
def get_index(self, index_name, key):
return self.redis.hget(index_name, key)
def get_full_index(self, index_name):
return self.redis.hgetall(index_name)
def delete_index(self, index_name, key):
return self.redis.hdel(index_name, key)
def get_all_hash(self, index_name):
return {key: json_decode(value) for key, value in self.redis.hgetall(index_name).items()}
def set_db_hash(self, hash_id, hash_key, value):
return self.redis.hset(hash_id, hash_key, json_encode(value))
def get_db_hash(self, hash_id, hash_key):
return json_decode(self.redis.hget(hash_id, hash_key))
def remove_db_hash(self, hash_id, hash_key):
self.redis.hdel(hash_id, hash_key)
def get_all_db_hash(self, hash_id):
return [json_decode(value) for value in self.redis.hgetall(hash_id).values()]
def get_db_list(self, list_id, start=0, end=-1):
return [json_decode(value) for value in self.redis.lrange(list_id, start, end)]
def add_db_list(self, list_id, value):
self.redis.lpush(list_id, json_encode(value))
def trim_db_list(self, list_id, start, end):
return self.redis.ltrim(list_id, start, end)
def _update_indexes(self, dbo):
try:
old_dbo = json_decode(self.redis.get(dbo.dbo_key))
except TypeError:
old_dbo = None
for ix_name in dbo.dbo_indexes:
new_val = getattr(dbo, ix_name, None)
old_val = old_dbo.get(ix_name) if old_dbo else None
if old_val == new_val:
continue
ix_key = 'ix:{}:{}'.format(dbo.dbo_key_type, ix_name)
if old_val is not None:
self.delete_index(ix_key, old_val)
if new_val is not None and new_val != '':
if self.get_index(ix_key, new_val):
raise NonUniqueError(ix_key, new_val)
self.set_index(ix_key, new_val, dbo.dbo_id)
def _clear_old_refs(self, dbo):
dbo_key = dbo.dbo_key
ref_key = '{}:refs'.format(dbo_key)
for ref_id in self.fetch_set_keys(ref_key):
holder_key = '{}:holders'.format(ref_id)
self.delete_set_key(holder_key, dbo_key)
self.delete_key(ref_key)
def _set_new_refs(self, dbo, new_refs):
dbo_key = dbo.dbo_key
self.add_set_key("{}:refs".format(dbo_key), *new_refs)
for ref_id in new_refs:
holder_key = '{}:holders'.format(ref_id)
self.add_set_key(holder_key, dbo_key)