def load(buff):
"make a bitset from a bitflow"
b = bitset.empty()
buffer = StringIO(buff)
b._size = struct.unpack('Q', buffer.read(8))[0]
b._data = []
while True:
bloc = buffer.read(8)
if bloc == "": break
b._data.append(long(struct.unpack('Q', bloc)[0]))
return b
def get(self, key, value):
"A simple query for a key=value"
value = str(value)
cachekey = "%s:%s" % (key, value)
try:
return self.cache[cachekey]
except KeyError:
pass
self.oups += 1
index = self._index(key)
try:
b = index.get(value)
v = bitset.fromblob(self.cpt, b)
except KeyError:
v = bitset.empty(self.cpt)
self.cache[cachekey] = v
return v