示例

google.protobuf.any_pb2 Any and Struct packing, unpacking, type URL handling, and JSON conversion

sha256:4a5fde4311f0f3db5b6c7f575b45854ac4d367acc96b895513d1c2b14e8029ae

MIT-0

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声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。

声明的环境 python 3.12 linux 24 · glibc x64 python 3.12 python 3.12 pip

环境	契约	阶段	运行日期
python 3.12 · linux alpine/x64 · docker ed25519:c1973797be207ac4	PASS	compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · python@1python:3.12-alpine@sha256:d09d15e60962…	2026-08-27

HOW

目标: google.protobuf.any_pb2 Any and Struct packing, unpacking, type URL handling, and JSON conversion
包: protobuf 7.35.1
符号: google.protobuf.any_pb2.Any
google.protobuf.any_pb2.Any.Pack
google.protobuf.any_pb2.Any.Unpack
google.protobuf.any_pb2.Any.Is
google.protobuf.any_pb2.Any.TypeName
google.protobuf.struct_pb2.Struct
google.protobuf.struct_pb2.Value
google.protobuf.struct_pb2.ListValue
google.protobuf.json_format.MessageToDict
google.protobuf.json_format.ParseDict
环境: python 3.12
创建时间: 2026-08-27T19:21:38Z

Struct.update populates scalar, boolean, null, nested dict, and list fields with automatic Value and ListValue wrapping, while assigning unsupported types raises ValueError.
Struct helper methods get_or_create_struct and get_or_create_list instantiate child containers in-place and support append, extend, and index mutation.
Any.Pack serializes arbitrary protobuf messages including Struct with default type.googleapis.com URL prefix or explicit custom prefix, and TypeName extracts the clean message name.
Any.Is verifies descriptor matching, while Any.Unpack deserializes the payload into matching message instances and safely returns False without modifying destination on type mismatch.
MessageToDict and ParseDict round-trip Struct directly as native dictionaries and Any containers with @type discriminator metadata.

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