| |
| |
| |
| |
| |
| |
|
|
| """Contains the Any helper APIs.""" |
|
|
| from typing import Optional, TypeVar |
|
|
| from google.protobuf import descriptor |
| from google.protobuf.message import Message |
|
|
| from google.protobuf.any_pb2 import Any |
|
|
|
|
| _MessageT = TypeVar('_MessageT', bound=Message) |
|
|
|
|
| def pack( |
| msg: Message, |
| type_url_prefix: Optional[str] = 'type.googleapis.com/', |
| deterministic: Optional[bool] = None, |
| ) -> Any: |
| any_msg = Any() |
| any_msg.Pack( |
| msg=msg, type_url_prefix=type_url_prefix, deterministic=deterministic |
| ) |
| return any_msg |
|
|
|
|
| def unpack(any_msg: Any, msg: Message) -> bool: |
| return any_msg.Unpack(msg=msg) |
|
|
|
|
| def unpack_as(any_msg: Any, message_type: type[_MessageT]) -> _MessageT: |
| unpacked = message_type() |
| if unpack(any_msg, unpacked): |
| return unpacked |
| else: |
| raise TypeError( |
| f'Attempted to unpack {type_name(any_msg)} to' |
| f' {message_type.__qualname__}' |
| ) |
|
|
|
|
| def type_name(any_msg: Any) -> str: |
| return any_msg.TypeName() |
|
|
|
|
| def is_type(any_msg: Any, des: descriptor.Descriptor) -> bool: |
| return any_msg.Is(des) |
|
|
