'''simple docstring'''




from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_torch_available,
)


_a   :	int 							=   {
    """configuration_swiftformer""": [
        """SWIFTFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """SwiftFormerConfig""",
        """SwiftFormerOnnxConfig""",
    ]
}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _a   :	Tuple 							=   [
        """SWIFTFORMER_PRETRAINED_MODEL_ARCHIVE_LIST""",
        """SwiftFormerForImageClassification""",
        """SwiftFormerModel""",
        """SwiftFormerPreTrainedModel""",
    ]

if TYPE_CHECKING:
    from .configuration_swiftformer import (
        SWIFTFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
        SwiftFormerConfig,
        SwiftFormerOnnxConfig,
    )

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_swiftformer import (
            SWIFTFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
            SwiftFormerForImageClassification,
            SwiftFormerModel,
            SwiftFormerPreTrainedModel,
        )

else:
    import sys

    _a   :	Any 							=   _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)







'''simple docstring'''




# Lint as: python3
import sys
from collections.abc import Mapping
from typing import TYPE_CHECKING

import numpy as np
import pyarrow as pa

from .. import config
from ..utils.py_utils import map_nested
from .formatting import TensorFormatter


if TYPE_CHECKING:
   import torch






class 		__A       (TensorFormatter[Mapping, "torch.Tensor", Mapping]   ):






       def __init__(      self				,     UpperCamelCase_=None				,     **UpperCamelCase_      ):
              super().__init__(features=UpperCamelCase_      )
              __UpperCAmelCase  :				Union[str, Any]       				=		torch_tensor_kwargs
              import torch  # noqa import torch at initialization






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              import torch

              if isinstance(UpperCamelCase_				,     UpperCamelCase_      ) and column:
                     if all(
                         isinstance(UpperCamelCase_				,     torch.Tensor      ) and x.shape == column[0].shape and x.dtype == column[0].dtype
                         for x in column      ):
                            return torch.stack(UpperCamelCase_      )
              return column






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              import torch

              if isinstance(UpperCamelCase_				,     (str, bytes, type(UpperCamelCase_      ))      ):
                     return value
              elif isinstance(UpperCamelCase_				,     (np.character, np.ndarray)      ) and np.issubdtype(value.dtype				,     np.character      ):
                     return value.tolist()

              __UpperCAmelCase  :				int       				=		{}

              if isinstance(UpperCamelCase_				,     (np.number, np.ndarray)      ) and np.issubdtype(value.dtype				,     np.integer      ):
                     __UpperCAmelCase  :				Optional[int]       				=		{"dtype": torch.intaa}
              elif isinstance(UpperCamelCase_				,     (np.number, np.ndarray)      ) and np.issubdtype(value.dtype				,     np.floating      ):
                     __UpperCAmelCase  :				str       				=		{"dtype": torch.floataa}
              elif config.PIL_AVAILABLE and "PIL" in sys.modules:
                     import PIL.Image

                     if isinstance(UpperCamelCase_				,     PIL.Image.Image      ):
                            __UpperCAmelCase  :				str       				=		np.asarray(UpperCamelCase_      )
              return torch.tensor(UpperCamelCase_				,     **{**default_dtype, **self.torch_tensor_kwargs}      )






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              import torch

              # support for torch, tf, jax etc.
              if hasattr(UpperCamelCase_				,     "__array__"      ) and not isinstance(UpperCamelCase_				,     torch.Tensor      ):
                     __UpperCAmelCase  :				Dict       				=		data_struct.__array__()
              # support for nested types like struct of list of struct
              if isinstance(UpperCamelCase_				,     np.ndarray      ):
                     if data_struct.dtype == object:  # torch tensors cannot be instantied from an array of objects
                            return self._consolidate([self.recursive_tensorize(UpperCamelCase_      ) for substruct in data_struct]      )
              elif isinstance(UpperCamelCase_				,     (list, tuple)      ):
                     return self._consolidate([self.recursive_tensorize(UpperCamelCase_      ) for substruct in data_struct]      )
              return self._tensorize(UpperCamelCase_      )






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              return map_nested(self._recursive_tensorize				,     UpperCamelCase_				,     map_list=UpperCamelCase_      )






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				List[str]       				=		self.numpy_arrow_extractor().extract_row(UpperCamelCase_      )
              __UpperCAmelCase  :				Union[str, Any]       				=		self.python_features_decoder.decode_row(UpperCamelCase_      )
              return self.recursive_tensorize(UpperCamelCase_      )






       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				Union[str, Any]       				=		self.numpy_arrow_extractor().extract_column(UpperCamelCase_      )
              __UpperCAmelCase  :				Optional[Any]       				=		self.python_features_decoder.decode_column(UpperCamelCase_				,     pa_table.column_names[0]      )
              __UpperCAmelCase  :				List[Any]       				=		self.recursive_tensorize(UpperCamelCase_      )
              __UpperCAmelCase  :				List[str]       				=		self._consolidate(UpperCamelCase_      )
              return column







       def 			_snake_case						(      self				,     UpperCamelCase_      ):
              __UpperCAmelCase  :				int       				=		self.numpy_arrow_extractor().extract_batch(UpperCamelCase_      )
              __UpperCAmelCase  :				Any       				=		self.python_features_decoder.decode_batch(UpperCamelCase_      )
              __UpperCAmelCase  :				Optional[int]       				=		self.recursive_tensorize(UpperCamelCase_      )
              for column_name in batch:
                     __UpperCAmelCase  :				Tuple       				=		self._consolidate(batch[column_name]      )
              return batch






