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from __future__ import annotations
from collections import UserDict
from typing import Any, Union
import torch
from lightning.fabric.utilities import move_data_to_device
from relik.common.log import get_console_logger
logger = get_console_logger()
class ModelInputs(UserDict):
"""Model input dictionary wrapper."""
def __getattr__(self, item: str):
try:
return self.data[item]
except KeyError:
raise AttributeError(f"`ModelInputs` has no attribute `{item}`")
def __getitem__(self, item: str) -> Any:
return self.data[item]
def __getstate__(self):
return {"data": self.data}
def __setstate__(self, state):
if "data" in state:
self.data = state["data"]
def keys(self):
"""A set-like object providing a view on D's keys."""
return self.data.keys()
def values(self):
"""An object providing a view on D's values."""
return self.data.values()
def items(self):
"""A set-like object providing a view on D's items."""
return self.data.items()
def to(self, device: Union[str, torch.device]) -> ModelInputs:
"""
Send all tensors values to device.
Args:
device (`str` or `torch.device`): The device to put the tensors on.
Returns:
:class:`tokenizers.ModelInputs`: The same instance of :class:`~tokenizers.ModelInputs`
after modification.
"""
self.data = move_data_to_device(self.data, device)
return self
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