def string(self, obj, stream):
if obj is None:
self.int16(-1, stream)
return
if not isinstance(obj, basestring):
obj = str(obj)
bytes = utf8_str(obj)
size = len(bytes)
self.int16(size, stream)
stream.write(bytes)
def send_cmd(self, conn, op, store_name, packed_key, extra):
store_name = utf8_str(store_name)
iolist = [
chr(self.OP_CODE[op]),
struct.pack(">h", len(store_name)),
store_name,
struct.pack(">i", len(packed_key)),
packed_key,
] + extra
send = False
conn.send(iolist)
send = True
err_code = struct.unpack(">h", conn.receive(2))[0]
if err_code == 0:
return
err_msg_len = struct.unpack(">h", conn.receive(2))[0]
err_msg = conn.receive(err_msg_len)
if err_code == 4:
raise ObsoleteVersionError(err_msg)
elif err_code == 8:
raise InconsistentDataError(err_msg)
else:
raise ValueError("Unknown Voldemort error code %d: %s" % (err_code, err_msg))
def to_bytes(self, s):
return utf8_str(s)
