
'''simple docstring'''







from typing import TYPE_CHECKING

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


lowerCAmelCase_      =   {
    '''configuration_bark''': [
        '''BARK_PRETRAINED_CONFIG_ARCHIVE_MAP''',
        '''BarkCoarseConfig''',
        '''BarkConfig''',
        '''BarkFineConfig''',
        '''BarkSemanticConfig''',
    ],
    '''processing_bark''': ['''BarkProcessor'''],
}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    lowerCAmelCase_      =   [
        '''BARK_PRETRAINED_MODEL_ARCHIVE_LIST''',
        '''BarkFineModel''',
        '''BarkSemanticModel''',
        '''BarkCoarseModel''',
        '''BarkModel''',
        '''BarkPreTrainedModel''',
        '''BarkCausalModel''',
    ]

if TYPE_CHECKING:
    from .configuration_bark import (
        BARK_PRETRAINED_CONFIG_ARCHIVE_MAP,
        BarkCoarseConfig,
        BarkConfig,
        BarkFineConfig,
        BarkSemanticConfig,
    )
    from .processing_bark import BarkProcessor

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_bark import (
            BARK_PRETRAINED_MODEL_ARCHIVE_LIST,
            BarkCausalModel,
            BarkCoarseModel,
            BarkFineModel,
            BarkModel,
            BarkPreTrainedModel,
            BarkSemanticModel,
        )

else:
    import sys

    lowerCAmelCase_      =   _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)



import inspect
from typing import Callable, List, Optional, Set, Tuple, Union

import torch
from packaging import version
from safetensors.torch import storage_ptr, storage_size
from torch import nn

from .utils import logging


a__				:      Tuple    		=     [nn.LayerNorm]

a__				:      Tuple    		=     logging.get_logger(__name__)

a__				:      int    		=     version.parse(version.parse(torch.__version__).base_version)

a__				:      Dict    		=     parsed_torch_version_base >= version.parse('''2.0''')
a__				:      Any    		=     parsed_torch_version_base >= version.parse('''1.12''')
a__				:      Union[str, Any]    		=     parsed_torch_version_base >= version.parse('''1.11''')
a__				:      Union[str, Any]    		=     parsed_torch_version_base < version.parse('''1.11''')







def 				UpperCAmelCase_(    a__ ,						a__ ,						a__ ,						a__ ,						self   ):



    """simple docstring"""



    from torch import _softmax_backward_data

    if is_torch_less_than_1_11:
        return _softmax_backward_data(a__ ,						a__ ,						parent.dim ,						self   )
    else:
        return _softmax_backward_data(a__ ,						a__ ,						parent.dim ,						self.dtype   )







def 				UpperCAmelCase_(    a__ ,						a__ ,						a__ = 0   ):



    """simple docstring"""



    SCREAMING_SNAKE_CASE				:				Optional[Any]				      = index.to(layer.weight.device   )
    SCREAMING_SNAKE_CASE				:				Optional[Any]				      = layer.weight.index_select(a__ ,						a__   ).clone().detach()
    if layer.bias is not None:
        if dim == 1:
            SCREAMING_SNAKE_CASE				:				int				      = layer.bias.clone().detach()
        else:
            SCREAMING_SNAKE_CASE				:				List[Any]				      = layer.bias[index].clone().detach()
    SCREAMING_SNAKE_CASE				:				List[Any]				      = list(layer.weight.size()   )
    SCREAMING_SNAKE_CASE				:				List[Any]				      = len(a__   )
    SCREAMING_SNAKE_CASE				:				str				      = nn.Linear(new_size[1] ,						new_size[0] ,						bias=layer.bias is not None   ).to(layer.weight.device   )
    SCREAMING_SNAKE_CASE				:				Optional[Any]				      = False
    new_layer.weight.copy_(W.contiguous()   )
    SCREAMING_SNAKE_CASE				:				Tuple				      = True
    if layer.bias is not None:
        SCREAMING_SNAKE_CASE				:				Dict				      = False
        new_layer.bias.copy_(b.contiguous()   )
        SCREAMING_SNAKE_CASE				:				Tuple				      = True
    return new_layer






class     a_       (			nn.Module							):



       """simple docstring"""






       def __init__(		self				,       _lowerCamelCase				,       _lowerCamelCase   )					->int:
           super().__init__()
           SCREAMING_SNAKE_CASE				:				List[str]				      = nf
           SCREAMING_SNAKE_CASE				:				List[Any]				      = nn.Parameter(torch.empty(_lowerCamelCase				,       _lowerCamelCase   )   )
           SCREAMING_SNAKE_CASE				:				Tuple				      = nn.Parameter(torch.zeros(_lowerCamelCase   )   )
           nn.init.normal_(self.weight				,       std=0.0_2   )






       def 	__lowerCAmelCase     (		self				,       _lowerCamelCase   )					->Tuple:
           SCREAMING_SNAKE_CASE				:				Optional[Any]				      = x.size()[:-1] + (self.nf,)
           SCREAMING_SNAKE_CASE				:				int				      = torch.addmm(self.bias				,       x.view(-1				,       x.size(-1   )   )				,       self.weight   )
           SCREAMING_SNAKE_CASE				:				Tuple				      = x.view(_lowerCamelCase   )
           return x







def 				UpperCAmelCase_(    a__ ,						a__ ,						a__ = 1   ):



    """simple docstring"""



    SCREAMING_SNAKE_CASE				:				str				      = index.to(layer.weight.device   )
    SCREAMING_SNAKE_CASE				:				Any				      = layer.weight.index_select(a__ ,						a__   ).clone().detach()
    if dim == 0:
        SCREAMING_SNAKE_CASE				:				Tuple				      = layer.bias.clone().detach()
    else:
        SCREAMING_SNAKE_CASE				:				Optional[int]				      = layer.bias[index].clone().detach()
    SCREAMING_SNAKE_CASE				:				int				      = list(layer.weight.size()   )
    SCREAMING_SNAKE_CASE				:				Tuple				      = len(a__   )
    SCREAMING_SNAKE_CASE				:				Any				      = ConvaD(new_size[1] ,						new_size[0]   ).to(layer.weight.device   )
    SCREAMING_SNAKE_CASE				:				Optional[int]				      = False
    new_layer.weight.copy_(W.contiguous()   )
    SCREAMING_SNAKE_CASE				:				int				      = True
    SCREAMING_SNAKE_CASE				:				Any				      = False
    new_layer.bias.copy_(b.contiguous()   )
    SCREAMING_SNAKE_CASE				:				int				      = True
    return new_layer







def 				UpperCAmelCase_(    a__ ,						a__ ,						a__ = None   ):



    """simple docstring"""



    if isinstance(a__ ,						nn.Linear   ):
        return prune_linear_layer(a__ ,						a__ ,						dim=0 if dim is None else dim   )
    elif isinstance(a__ ,						a__   ):
        return prune_convad_layer(a__ ,						a__ ,						dim=1 if dim is None else dim   )
    else:
        raise ValueError(F"""Can't prune layer of class {layer.__class__}"""   )







def 				UpperCAmelCase_(    a__ ,						a__ ,						a__ ,						*a__   ):



    """simple docstring"""



    assert len(a__   ) > 0, F"""{input_tensors} has to be a tuple/list of tensors"""

    # inspect.signature exist since python 3.5 and is a python method -> no problem with backward compatibility
    SCREAMING_SNAKE_CASE				:				str				      = len(inspect.signature(a__   ).parameters   )
    if num_args_in_forward_chunk_fn != len(a__   ):
        raise ValueError(
            F"""forward_chunk_fn expects {num_args_in_forward_chunk_fn} arguments, but only {len(a__   )} input """
            '''tensors are given'''   )

    if chunk_size > 0:
        SCREAMING_SNAKE_CASE				:				Dict				      = input_tensors[0].shape[chunk_dim]
        for input_tensor in input_tensors:
            if input_tensor.shape[chunk_dim] != tensor_shape:
                raise ValueError(
                    F"""All input tenors have to be of the same shape: {tensor_shape}, """
                    F"""found shape {input_tensor.shape[chunk_dim]}"""   )

        if input_tensors[0].shape[chunk_dim] % chunk_size != 0:
            raise ValueError(
                F"""The dimension to be chunked {input_tensors[0].shape[chunk_dim]} has to be a multiple of the chunk """
                F"""size {chunk_size}"""   )

        SCREAMING_SNAKE_CASE				:				Any				      = input_tensors[0].shape[chunk_dim] // chunk_size

        # chunk input tensor into tuples
        SCREAMING_SNAKE_CASE				:				Optional[int]				      = tuple(input_tensor.chunk(a__ ,						dim=a__   ) for input_tensor in input_tensors   )
        # apply forward fn to every tuple
        SCREAMING_SNAKE_CASE				:				Tuple				      = tuple(forward_fn(*a__   ) for input_tensors_chunk in zip(*a__   )   )
        # concatenate output at same dimension
        return torch.cat(a__ ,						dim=a__   )

    return forward_fn(*a__   )







def 				UpperCAmelCase_(    a__ ,						a__ ,						a__ ,						a__   ):



    """simple docstring"""



    SCREAMING_SNAKE_CASE				:				Optional[int]				      = torch.ones(a__ ,						a__   )
    SCREAMING_SNAKE_CASE				:				str				      = set(a__   ) - already_pruned_heads  # Convert to set and remove already pruned heads
    for head in heads:
        # Compute how many pruned heads are before the head and move the index accordingly
        SCREAMING_SNAKE_CASE				:				Optional[Any]				      = head - sum(1 if h < head else 0 for h in already_pruned_heads   )
        SCREAMING_SNAKE_CASE				:				str				      = 0
    SCREAMING_SNAKE_CASE				:				List[str]				      = mask.view(-1   ).contiguous().eq(1   )
    SCREAMING_SNAKE_CASE				:				torch.LongTensor				      = torch.arange(len(a__   )   )[mask].long()
    return heads, index







def 				UpperCAmelCase_(    *a__ ,						a__ = None   ):



    """simple docstring"""



    return torch.meshgrid(*a__ ,						indexing=a__   )







def 				UpperCAmelCase_(    a__   ):



    """simple docstring"""



    return tensor.device, storage_ptr(a__   ), storage_size(a__   )
