msg2bytes 0.1.5

MessageToBytes(msg2bytes) is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON. But it's faster and smaller.

msg2bytes

MessageToBytes(msg2bytes) is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON. But it's faster and smaller.

Install

pip install msg2bytes

Data Types

LIST = bytes([1])
SET = bytes([2])
TUPLE = bytes([3])
DICT = bytes([4])

NONE = bytes([5])
BOOLEAN = bytes([6])
TRUE = bytes([7])
FALSE = bytes([8])

STR = bytes([9])
BYTES = bytes([10])
DATETIME = bytes([11])
DECIMAL = bytes([12])
FILE = bytes([13])
DATE = bytes([14])  # v0.1.3引入
TIME = bytes([15])  # v0.1.3引入

INT = bytes([20])  # 抽象类型。实际不会使用的编码code。
INT8 = bytes([21])
INT16 = bytes([22])
INT32 = bytes([23])
INT64 = bytes([24])
UINT8 = bytes([25])
UINT16 = bytes([26])
UINT32 = bytes([27])
UINT64 = bytes([28])
BIGINT = bytes([29])
FLOAT = bytes([30])  # 抽象类型。实际不会使用的编码code。
SINGLE = bytes([31])
DOUBLE = bytes([32])
BIGFLOAT = bytes([33])

Usage

In [1]: import datetime
   ...: import msg2bytes
   ...: 

In [2]: data1 = {
   ...:     "id": 12,
   ...:     "username": "ceshi",
   ...:     "name": "测试",
   ...:     "mobiles": ["12345678901", "12345678902"],
   ...:     "add_time": datetime.datetime(2023, 4, 25, 18, 12, 32),
   ...:     "mod_time": datetime.datetime.now(),
   ...: }

In [3]: print(data1)
{'id': 12, 'username': 'ceshi', 'name': '测试', 'mobiles': ['12345678901', '12345678902'], 'add_time': datetime.datetime(2023, 4, 25, 18, 12, 32), 'mod_time': datetime.datetime(2023, 4, 26, 13, 2, 5, 293796)}

In [4]: data2 = msg2bytes.dumps(data1)

In [5]: print(data2)
b'\x04\x06\x0b\x02id\x15\x0c\x0b\x08username\x0b\x05ceshi\x0b\x04name\x0b\x06\xe6\xb5\x8b\xe8\xaf\x95\x0b\x07mobiles\x01\x02\x0b\x0b12345678901\x0b\x0b12345678902\x0b\x08add_time\r\x132023-04-25T18:12:32\x0b\x08mod_time\r\x1a2023-04-26T13:02:05.293796'

In [6]: data3 = msg2bytes.loads(data2)

In [7]: print(data3)
{'id': 12, 'username': 'ceshi', 'name': '测试', 'mobiles': ['12345678901', '12345678902'], 'add_time': datetime.datetime(2023, 4, 25, 18, 12, 32), 'mod_time': datetime.datetime(2023, 4, 26, 13, 2, 5, 293796)}

Releases

v0.1.2

• First release.

v0.1.3

• Use more friendly exception names.
• Add datetime.date codec.
• Add datetime.time codec.

v0.1.4

• Fixed async keyword missing before virtual method problem. This wasn't actually cause any problems.

v0.1.5

• Doc update.