def serialize_bytes(self, bytes, as_byte_array=not six.PY2):
if as_byte_array:
return (WXF_CONSTANTS.BinaryString, varint_bytes(len(bytes)),
bytes)
else:
return self.serialize_string(
force_text(bytes, encoding="iso8859-1"))
def serialize_function(self, head, args, **opts):
iterable, length = get_length(args, **opts)
return chain(
(WXF_CONSTANTS.Function, varint_bytes(length)), head, chain.from_iterable(iterable)
)
def serialize_bytes(self, bytes, as_byte_array=not six.PY2):
if as_byte_array:
yield WXF_CONSTANTS.BinaryString
yield varint_bytes(len(bytes))
yield bytes
else:
for token in self.serialize_string(force_text(bytes, encoding="iso8859-1")):
yield token
def serialize_mapping(self, keyvalue, **opts):
#the normalizer is always sending an generator key, value
iterable, length = get_length(keyvalue, **opts)
return chain((WXF_CONSTANTS.Association, varint_bytes(length)),
chain.from_iterable(
chain((WXF_CONSTANTS.Rule, ), key, value)
for key, value in iterable))
def serialize_int(self, number):
try:
wxf_type, int_size = integer_size(number)
yield wxf_type
yield integer_to_bytes(number, int_size)
except ValueError:
# WXFExprInteger is raising a ValueError if the integer is not in the appropriate bounds.
# that check needs to be done in case, it's better to do it only once.
number = b"%i" % number
yield WXF_CONSTANTS.BigInteger
yield varint_bytes(len(number))
yield number
def serialize_symbol(self, name):
yield WXF_CONSTANTS.Symbol
yield varint_bytes(len(name))
yield force_bytes(name)
def serialize_string(self, string):
string = force_bytes(string)
yield WXF_CONSTANTS.String
yield varint_bytes(len(string))
yield string
def serialize_decimal(self, number):
number = py_encode_decimal(number)
yield WXF_CONSTANTS.BigReal
yield varint_bytes(len(number))
yield number
