chattle/message.py

32 lines
798 B
Python
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2021-09-30 01:21:18 +02:00
import sys
import json
import struct
class Message:
def __init__(self, author: str, body: str) -> None:
self.author = author
self.body = body
def serialize(self) -> bytes:
return serialize(self.author, self.body)
def deserialize(data: bytes) -> Message:
buffer_length = 2
header_length = struct.unpack(">H", data[:buffer_length])[0]
header = json.loads(data[buffer_length:header_length])
return Message(header["author"], header["encoded-body"])
def serialize(author: str, body: str) -> bytes:
encoding = sys.getdefaultencoding()
header_bytes = json.dumps({
"byteorder": sys.byteorder,
"author": author,
"body": encoding,
}).encode("utf-8")
return (struct.pack(">H", len(header_bytes)) + header_bytes)