mirror of
https://github.com/zebrajr/pytorch.git
synced 2025-12-08 07:39:33 +01:00
316808e4e9
See #145101 for details. Pull Request resolved: https://github.com/pytorch/pytorch/pull/145163 Approved by: https://github.com/Skylion007
43 lines
1.0 KiB
Python
43 lines
1.0 KiB
Python
from typing import Any, runtime_checkable, TypeVar
|
|
from typing_extensions import Protocol
|
|
|
|
|
|
__all__ = ["Stateful", "StatefulT"]
|
|
|
|
|
|
@runtime_checkable
|
|
class Stateful(Protocol):
|
|
"""
|
|
Stateful protocol for objects that can be checkpointed and restored.
|
|
"""
|
|
|
|
def state_dict(self) -> dict[str, Any]:
|
|
"""
|
|
Objects should return their state_dict representation as a dictionary.
|
|
The output of this function will be checkpointed, and later restored in
|
|
`load_state_dict()`.
|
|
|
|
.. warning::
|
|
Because of the inplace nature of restoring a checkpoint, this function
|
|
is also called during `torch.distributed.checkpoint.load`.
|
|
|
|
|
|
Returns:
|
|
Dict: The objects state dict
|
|
"""
|
|
|
|
...
|
|
|
|
def load_state_dict(self, state_dict: dict[str, Any]) -> None:
|
|
"""
|
|
Restore the object's state from the provided state_dict.
|
|
|
|
Args:
|
|
state_dict: The state dict to restore from
|
|
"""
|
|
|
|
...
|
|
|
|
|
|
StatefulT = TypeVar("StatefulT", bound=Stateful)
|