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SickRage/lib/shove/store/leveldbstore.py
echel0n 129a8c1d7e Added cache for rss feed items.
Fixed issues with searches
2014-05-04 05:05:27 -07:00

48 lines
1.1 KiB
Python

# -*- coding: utf-8 -*-
'''
LevelDB Database Store.
shove's psuedo-URL for LevelDB stores follows the form:
leveldb://<path>
Where <path> is a URL path to a LevelDB database. Alternatively, the native
pathname to a LevelDB database can be passed as the 'engine' parameter.
'''
try:
import leveldb
except ImportError:
raise ImportError('This store requires py-leveldb library')
from shove.store import ClientStore
class LevelDBStore(ClientStore):
'''LevelDB based store'''
init = 'leveldb://'
def __init__(self, engine, **kw):
super(LevelDBStore, self).__init__(engine, **kw)
self._store = leveldb.LevelDB(self._engine)
def __getitem__(self, key):
item = self.loads(self._store.Get(key))
if item is not None:
return item
raise KeyError(key)
def __setitem__(self, key, value):
self._store.Put(key, self.dumps(value))
def __delitem__(self, key):
self._store.Delete(key)
def keys(self):
return list(k for k in self._store.RangeIter(include_value=False))
__all__ = ['LevelDBStore']