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betterproto_protobuf_message_definition_serialization_quickstart.py

python

A basic example of using betterproto to define, instantiate, and serialize

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betterproto_protobuf_message_definition_serialization_quickstart.py
1import dataclasses
2from typing import List
3
4import betterproto
5
6
7@dataclasses.dataclass(eq=False, repr=False)
8class HelloRequest(betterproto.Message):
9    name: str = betterproto.string_field(1)
10
11
12@dataclasses.dataclass(eq=False, repr=False)
13class HelloResponse(betterproto.Message):
14    greeting: str = betterproto.string_field(1)
15
16
17# Instantiate a message
18request = HelloRequest(name="World")
19
20# Serialize to bytes
21data = bytes(request)
22
23# Parse from bytes
24request_from_bytes = HelloRequest().parse(data)
25
26# Print the message as a dictionary
27print(request_from_bytes.to_dict())
28
29# Use the response
30response = HelloResponse(greeting=f"Hello, {request_from_bytes.name}!")
31print(response.greeting)