def deserialize_safe(cls, byts, protocol_version):
subtype, = cls.subtypes
length = 4
numelements = int32_unpack(byts[:length])
p = length
result = []
inner_proto = max(3, protocol_version)
for _ in range(numelements):
itemlen = int32_unpack(byts[p:p + length])
p += length
item = byts[p:p + itemlen]
p += itemlen
result.append(subtype.from_binary(item, inner_proto))
return cls.adapter(result)
def deserialize_safe(cls, byts, protocol_version):
key_type, value_type = cls.subtypes
length = 4
numelements = int32_unpack(byts[:length])
p = length
themap = util.OrderedMapSerializedKey(key_type, protocol_version)
inner_proto = max(3, protocol_version)
for _ in range(numelements):
key_len = int32_unpack(byts[p:p + length])
p += length
keybytes = byts[p:p + key_len]
p += key_len
val_len = int32_unpack(byts[p:p + length])
p += length
valbytes = byts[p:p + val_len]
p += val_len
key = key_type.from_binary(keybytes, inner_proto)
val = value_type.from_binary(valbytes, inner_proto)
themap._insert_unchecked(key, keybytes, val)
return themap
def deserialize_safe(cls, byts, protocol_version):
proto_version = max(3, protocol_version)
p = 0
values = []
for col_type in cls.subtypes:
if p == len(byts):
break
itemlen = int32_unpack(byts[p:p + 4])
p += 4
if itemlen >= 0:
item = byts[p:p + itemlen]
p += itemlen
else:
item = None
# collections inside UDTs are always encoded with at least the
# version 3 format
values.append(col_type.from_binary(item, proto_version))
if len(values) < len(cls.subtypes):
nones = [None] * (len(cls.subtypes) - len(values))
values = values + nones
return tuple(values)
def read_int(f):
return int32_unpack(f.read(4))
def deserialize(byts, protocol_version):
return int32_unpack(byts)
def deserialize(byts, protocol_version):
scale = int32_unpack(byts[:4])
unscaled = varint_unpack(byts[4:])
return Decimal('%de%d' % (unscaled, -scale))