import io
import struct
-TAG_NULL = 0x00
-TAG_TRUE = 0x01
-TAG_FALSE = 0x02
-TAG_UINT8 = 0x03
-TAG_UINT16 = 0x04
-TAG_UINT32 = 0x05
-TAG_UINT64 = 0x06
-TAG_INT8 = 0x10
-TAG_INT16 = 0x11
-TAG_INT32 = 0x12
-TAG_INT64 = 0x13
-TAG_BINARY = 0x20
-TAG_UTF8 = 0x21
-TAG_UTF16 = 0x22
-TAG_UTF32 = 0x23
-TAG_TUPLE = 0x30
+from . import tag
TaggedObject = collections.namedtuple(
'TaggedObject',
fmt = '!BI'
- return struct.pack('!BI', TAG_TUPLE, len(payload)) + payload
+ return struct.pack('!BI', tag.TUPLE, len(payload)) + payload
_TAGS_TO_SERIALIZERS = {
- TAG_NULL: _make_tag_only_serializer(TAG_NULL, None),
- TAG_TRUE: _make_tag_only_serializer(TAG_TRUE, True),
- TAG_FALSE: _make_tag_only_serializer(TAG_FALSE, False),
- TAG_UINT8: _make_struct_serializer('B'),
- TAG_UINT16: _make_struct_serializer('H'),
- TAG_UINT32: _make_struct_serializer('I'),
- TAG_UINT64: _make_struct_serializer('Q'),
- TAG_INT8: _make_struct_serializer('b'),
- TAG_INT16: _make_struct_serializer('h'),
- TAG_INT32: _make_struct_serializer('i'),
- TAG_INT64: _make_struct_serializer('q'),
- TAG_BINARY: _make_string_serializer(lambda s: s),
- TAG_UTF8: _make_string_serializer(lambda s: s.encode('utf-8')),
- TAG_UTF16: _make_string_serializer(lambda s: s.encode('utf-16')),
- TAG_UTF32: _make_string_serializer(lambda s: s.encode('utf-32')),
- TAG_TUPLE: _serialize_tuple,
+ tag.NULL: _make_tag_only_serializer(tag.NULL, None),
+ tag.TRUE: _make_tag_only_serializer(tag.TRUE, True),
+ tag.FALSE: _make_tag_only_serializer(tag.FALSE, False),
+ tag.UINT8: _make_struct_serializer('B'),
+ tag.UINT16: _make_struct_serializer('H'),
+ tag.UINT32: _make_struct_serializer('I'),
+ tag.UINT64: _make_struct_serializer('Q'),
+ tag.INT8: _make_struct_serializer('b'),
+ tag.INT16: _make_struct_serializer('h'),
+ tag.INT32: _make_struct_serializer('i'),
+ tag.INT64: _make_struct_serializer('q'),
+ tag.BINARY: _make_string_serializer(lambda s: s),
+ tag.UTF8: _make_string_serializer(lambda s: s.encode('utf-8')),
+ tag.UTF16: _make_string_serializer(lambda s: s.encode('utf-16')),
+ tag.UTF32: _make_string_serializer(lambda s: s.encode('utf-32')),
+ tag.TUPLE: _serialize_tuple,
}
def serialize(to):
total_bytes_read += partial_bytes_read
instance.append(item)
- return bytes_read, TaggedObject(tag = TAG_TUPLE, instance = tuple(instance))
+ return bytes_read, TaggedObject(tag = tag.TUPLE, instance = tuple(instance))
_TAGS_TO_PARSERS = {
- TAG_NULL: _make_tag_only_parser(TAG_NULL, None),
- TAG_TRUE: _make_tag_only_parser(TAG_TRUE, True),
- TAG_FALSE: _make_tag_only_parser(TAG_FALSE, False),
- TAG_UINT8: _make_struct_deserializer(TAG_UINT8, 'B'),
- TAG_UINT16: _make_struct_deserializer(TAG_UINT16, 'H'),
- TAG_UINT32: _make_struct_deserializer(TAG_UINT32, 'I'),
- TAG_UINT64: _make_struct_deserializer(TAG_UINT64, 'Q'),
- TAG_INT8: _make_struct_deserializer(TAG_INT8, 'b'),
- TAG_INT16: _make_struct_deserializer(TAG_INT16, 'h'),
- TAG_INT32: _make_struct_deserializer(TAG_INT32, 'i'),
- TAG_INT64: _make_struct_deserializer(TAG_INT64, 'q'),
- TAG_BINARY: _make_string_deserializer(TAG_BINARY, lambda b: b),
- TAG_UTF8: _make_string_deserializer(TAG_UTF8, lambda b: b.decode('utf-8')),
- TAG_UTF16: _make_string_deserializer(TAG_UTF16, lambda b: b.decode('utf-16')),
- TAG_UTF32: _make_string_deserializer(TAG_UTF32, lambda b: b.decode('utf-32')),
- TAG_TUPLE: _deserialize_tuple,
+ tag.NULL: _make_tag_only_parser(tag.NULL, None),
+ tag.TRUE: _make_tag_only_parser(tag.TRUE, True),
+ tag.FALSE: _make_tag_only_parser(tag.FALSE, False),
+ tag.UINT8: _make_struct_deserializer(tag.UINT8, 'B'),
+ tag.UINT16: _make_struct_deserializer(tag.UINT16, 'H'),
+ tag.UINT32: _make_struct_deserializer(tag.UINT32, 'I'),
+ tag.UINT64: _make_struct_deserializer(tag.UINT64, 'Q'),
+ tag.INT8: _make_struct_deserializer(tag.INT8, 'b'),
+ tag.INT16: _make_struct_deserializer(tag.INT16, 'h'),
+ tag.INT32: _make_struct_deserializer(tag.INT32, 'i'),
+ tag.INT64: _make_struct_deserializer(tag.INT64, 'q'),
+ tag.BINARY: _make_string_deserializer(tag.BINARY, lambda b: b),
+ tag.UTF8: _make_string_deserializer(tag.UTF8, lambda b: b.decode('utf-8')),
+ tag.UTF16: _make_string_deserializer(tag.UTF16, lambda b: b.decode('utf-16')),
+ tag.UTF32: _make_string_deserializer(tag.UTF32, lambda b: b.decode('utf-32')),
+ tag.TUPLE: _deserialize_tuple,
}
def _deserialize_partial(b):
import unittest
-from serial import binary
+from serial import binary, tag
EXAMPLE_REPRESENTATIONS = [
- (binary.TaggedObject(binary.TAG_NULL, None), b'\x00'),
- (binary.TaggedObject(binary.TAG_TRUE, True), b'\x01'),
- (binary.TaggedObject(binary.TAG_FALSE, False), b'\x02'),
- (binary.TaggedObject(binary.TAG_UINT8, 7), b'\x03\x07'),
- (binary.TaggedObject(binary.TAG_UINT16, 7), b'\x04\x00\x07'),
- (binary.TaggedObject(binary.TAG_UINT32, 7), b'\x05\x00\x00\x00\x07'),
- (binary.TaggedObject(binary.TAG_UINT64, 7), b'\x06\x00\x00\x00\x00\x00\x00\x00\x07'),
- (binary.TaggedObject(binary.TAG_INT8, 7), b'\x10\x07'),
- (binary.TaggedObject(binary.TAG_INT16, 7), b'\x11\x00\x07'),
- (binary.TaggedObject(binary.TAG_INT32, 7), b'\x12\x00\x00\x00\x07'),
- (binary.TaggedObject(binary.TAG_INT64, 7), b'\x13\x00\x00\x00\x00\x00\x00\x00\x07'),
- (binary.TaggedObject(binary.TAG_UINT8, 254), b'\x03\xfe'),
- (binary.TaggedObject(binary.TAG_UINT16, 65534), b'\x04\xff\xfe'),
- (binary.TaggedObject(binary.TAG_UINT32, 4294967294), b'\x05\xff\xff\xff\xfe'),
- (binary.TaggedObject(binary.TAG_UINT64, 18446744073709551614), b'\x06\xff\xff\xff\xff\xff\xff\xff\xfe'),
- (binary.TaggedObject(binary.TAG_INT8, -2), b'\x10\xfe'),
- (binary.TaggedObject(binary.TAG_INT16, -2), b'\x11\xff\xfe'),
- (binary.TaggedObject(binary.TAG_INT32, -2), b'\x12\xff\xff\xff\xfe'),
- (binary.TaggedObject(binary.TAG_INT64, -2), b'\x13\xff\xff\xff\xff\xff\xff\xff\xfe'),
- (binary.TaggedObject(binary.TAG_BINARY, b'\xde\xad\xbe\xef'), b'\x20\x00\x00\x00\x04\xde\xad\xbe\xef'),
- (binary.TaggedObject(binary.TAG_UTF8, 'Lol!'), b'\x21\x00\x00\x00\x04Lol!'),
- (binary.TaggedObject(binary.TAG_UTF16, 'かわ'), b'\x22\x00\x00\x00\x06\xff\xfeK0\x8f0'),
- (binary.TaggedObject(binary.TAG_UTF32, '漢'), b'\x23\x00\x00\x00\x08\xff\xfe\x00\x00"o\x00\x00'),
+ (binary.TaggedObject(tag.NULL, None), b'\x00'),
+ (binary.TaggedObject(tag.TRUE, True), b'\x01'),
+ (binary.TaggedObject(tag.FALSE, False), b'\x02'),
+ (binary.TaggedObject(tag.UINT8, 7), b'\x03\x07'),
+ (binary.TaggedObject(tag.UINT16, 7), b'\x04\x00\x07'),
+ (binary.TaggedObject(tag.UINT32, 7), b'\x05\x00\x00\x00\x07'),
+ (binary.TaggedObject(tag.UINT64, 7), b'\x06\x00\x00\x00\x00\x00\x00\x00\x07'),
+ (binary.TaggedObject(tag.INT8, 7), b'\x10\x07'),
+ (binary.TaggedObject(tag.INT16, 7), b'\x11\x00\x07'),
+ (binary.TaggedObject(tag.INT32, 7), b'\x12\x00\x00\x00\x07'),
+ (binary.TaggedObject(tag.INT64, 7), b'\x13\x00\x00\x00\x00\x00\x00\x00\x07'),
+ (binary.TaggedObject(tag.UINT8, 254), b'\x03\xfe'),
+ (binary.TaggedObject(tag.UINT16, 65534), b'\x04\xff\xfe'),
+ (binary.TaggedObject(tag.UINT32, 4294967294), b'\x05\xff\xff\xff\xfe'),
+ (binary.TaggedObject(tag.UINT64, 18446744073709551614), b'\x06\xff\xff\xff\xff\xff\xff\xff\xfe'),
+ (binary.TaggedObject(tag.INT8, -2), b'\x10\xfe'),
+ (binary.TaggedObject(tag.INT16, -2), b'\x11\xff\xfe'),
+ (binary.TaggedObject(tag.INT32, -2), b'\x12\xff\xff\xff\xfe'),
+ (binary.TaggedObject(tag.INT64, -2), b'\x13\xff\xff\xff\xff\xff\xff\xff\xfe'),
+ (binary.TaggedObject(tag.BINARY, b'\xde\xad\xbe\xef'), b'\x20\x00\x00\x00\x04\xde\xad\xbe\xef'),
+ (binary.TaggedObject(tag.UTF8, 'Lol!'), b'\x21\x00\x00\x00\x04Lol!'),
+ (binary.TaggedObject(tag.UTF16, 'かわ'), b'\x22\x00\x00\x00\x06\xff\xfeK0\x8f0'),
+ (binary.TaggedObject(tag.UTF32, '漢'), b'\x23\x00\x00\x00\x08\xff\xfe\x00\x00"o\x00\x00'),
(
binary.TaggedObject(
- binary.TAG_TUPLE,
+ tag.TUPLE,
(
binary.TaggedObject(
- binary.TAG_TRUE,
+ tag.TRUE,
True,
),
binary.TaggedObject(
- binary.TAG_UINT8,
+ tag.UINT8,
7,
),
),