

'''simple docstring'''


import argparse

from transformers import BigBirdConfig, BigBirdForPreTraining, BigBirdForQuestionAnswering, load_tf_weights_in_big_bird
from transformers.utils import logging


logging.set_verbosity_info()




def 	_a       (				__lowerCAmelCase		:      Union[str, Any]   ,							__lowerCAmelCase		:      Any   ,							__lowerCAmelCase		:      Optional[int]   ,							__lowerCAmelCase		:      List[Any]     ):

		"""simple docstring"""

		snake_case__						:       Any       						=  BigBirdConfig.from_json_file(__lowerCAmelCase     )
		print(F"""Building PyTorch model from configuration: {config}"""     )

		if is_trivia_qa:
				snake_case__						:       str       						=  BigBirdForQuestionAnswering(__lowerCAmelCase     )
		else:
				snake_case__						:       Tuple       						=  BigBirdForPreTraining(__lowerCAmelCase     )

		# Load weights from tf checkpoint
		load_tf_weights_in_big_bird(__lowerCAmelCase   ,							__lowerCAmelCase   ,							is_trivia_qa=__lowerCAmelCase     )

		# Save pytorch-model
		print(F"""Save PyTorch model to {pytorch_dump_path}"""     )
		model.save_pretrained(__lowerCAmelCase     )


if __name__ == "__main__":
					lowerCAmelCase__						:       Union[str, Any]										=						argparse.ArgumentParser()
					# Required parameters
					parser.add_argument(
					    """--tf_checkpoint_path""", default=None, type=str, required=True, help="""Path to the TensorFlow checkpoint path."""
					)
					parser.add_argument(
					    """--big_bird_config_file""",
					    default=None,
					    type=str,
					    required=True,
					    help=(
					        """The config json file corresponding to the pre-trained BERT model. \n"""
					        """This specifies the model architecture."""
					    ),
					)
					parser.add_argument(
					    """--pytorch_dump_path""", default=None, type=str, required=True, help="""Path to the output PyTorch model."""
					)
					parser.add_argument(
					    """--is_trivia_qa""", action="""store_true""", help="""Whether to convert a model with a trivia_qa head."""
					)
					lowerCAmelCase__						:       Optional[int]										=						parser.parse_args()
					convert_tf_checkpoint_to_pytorch(
					    args.tf_checkpoint_path, args.big_bird_config_file, args.pytorch_dump_path, args.is_trivia_qa
					)






'''simple docstring'''


from typing import Tuple, Union

from ...modeling_outputs import BackboneOutput
from ...modeling_utils import PreTrainedModel
from ...utils import is_timm_available, is_torch_available, requires_backends
from ...utils.backbone_utils import BackboneMixin
from .configuration_timm_backbone import TimmBackboneConfig


if is_timm_available():
					import timm


if is_torch_available():
					from torch import Tensor




class     a			(				SCREAMING_SNAKE_CASE			,			SCREAMING_SNAKE_CASE       ):






						"""simple docstring"""




						__UpperCAmelCase			     =    """pixel_values"""
						__UpperCAmelCase			     =    False
						__UpperCAmelCase			     =    TimmBackboneConfig







						def __init__(							self					:      str			,			snake_case_					:      str			,			**snake_case_					:      Dict  ):



								'''simple docstring'''



								requires_backends(self			,			'''timm'''  )
								super().__init__(snake_case_  )
								snake_case__						:       List[str]       						=  config

								if config.backbone is None:
										raise ValueError('''backbone is not set in the config. Please set it to a timm model name.'''  )

								if config.backbone not in timm.list_models():
										raise ValueError(F"""backbone {config.backbone} is not supported by timm."""  )

								if hasattr(snake_case_			,			'''out_features'''  ) and config.out_features is not None:
										raise ValueError('''out_features is not supported by TimmBackbone. Please use out_indices instead.'''  )

								snake_case__						:       Dict       						=  getattr(snake_case_			,			'''use_pretrained_backbone'''			,			snake_case_  )
								if pretrained is None:
										raise ValueError('''use_pretrained_backbone is not set in the config. Please set it to True or False.'''  )

								# We just take the final layer by default. This matches the default for the transformers models.
								snake_case__						:       int       						=  config.out_indices if getattr(snake_case_			,			'''out_indices'''			,			snake_case_  ) is not None else (-1,)

								snake_case__						:       Any       						=  timm.create_model(
								    config.backbone			,			pretrained=snake_case_			,			features_only=config.features_only			,			in_chans=config.num_channels			,			out_indices=snake_case_			,			**snake_case_			,			)
								# These are used to control the output of the model when called. If output_hidden_states is True, then
								# return_layers is modified to include all layers.
								snake_case__						:       str       						=  self._backbone.return_layers
								snake_case__						:       List[Any]       						=  {layer['''module''']: str(snake_case_  ) for i, layer in enumerate(self._backbone.feature_info.info  )}
								super()._init_backbone(snake_case_  )







						@classmethod
						def       __magic_name__							(							cls					:      Union[str, Any]			,			snake_case_					:      Union[str, Any]			,			*snake_case_					:      Optional[Any]			,			**snake_case_					:      Optional[Any]  ):



								'''simple docstring'''



								requires_backends(cls			,			['''vision''', '''timm''']  )
								from ...models.timm_backbone import TimmBackboneConfig

								snake_case__						:       Dict       						=  kwargs.pop('''config'''			,			TimmBackboneConfig()  )

								snake_case__						:       Optional[Any]       						=  kwargs.pop('''use_timm_backbone'''			,			snake_case_  )
								if not use_timm:
										raise ValueError('''use_timm_backbone must be True for timm backbones'''  )

								snake_case__						:       List[Any]       						=  kwargs.pop('''num_channels'''			,			config.num_channels  )
								snake_case__						:       Optional[Any]       						=  kwargs.pop('''features_only'''			,			config.features_only  )
								snake_case__						:       Tuple       						=  kwargs.pop('''use_pretrained_backbone'''			,			config.use_pretrained_backbone  )
								snake_case__						:       Union[str, Any]       						=  kwargs.pop('''out_indices'''			,			config.out_indices  )
								snake_case__						:       int       						=  TimmBackboneConfig(
								    backbone=snake_case_			,			num_channels=snake_case_			,			features_only=snake_case_			,			use_pretrained_backbone=snake_case_			,			out_indices=snake_case_			,			)
								return super()._from_config(snake_case_			,			**snake_case_  )







						def       __magic_name__							(							self					:      List[str]			,			snake_case_					:      Union[str, Any]  ):



								'''simple docstring'''



								pass







						def       __magic_name__							(							self					:      Optional[int]			,			snake_case_					:      Union[str, Any]			,			snake_case_					:      Tuple=None			,			snake_case_					:      Tuple=None			,			snake_case_					:      Optional[Any]=None			,			**snake_case_					:      List[str]  ):



								'''simple docstring'''



								snake_case__						:       List[Any]       						=  return_dict if return_dict is not None else self.config.use_return_dict
								snake_case__						:       Optional[int]       						=  (
								    output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
								)
								snake_case__						:       int       						=  output_attentions if output_attentions is not None else self.config.output_attentions

								if output_attentions:
										raise ValueError('''Cannot output attentions for timm backbones at the moment'''  )

								if output_hidden_states:
										# We modify the return layers to include all the stages of the backbone
										snake_case__						:       Any       						=  self._all_layers
										snake_case__						:       str       						=  self._backbone(snake_case_			,			**snake_case_  )
										snake_case__						:       Tuple       						=  self._return_layers
										snake_case__						:       str       						=  tuple(hidden_states[i] for i in self.out_indices  )
								else:
										snake_case__						:       Dict       						=  self._backbone(snake_case_			,			**snake_case_  )
										snake_case__						:       Any       						=  None

								snake_case__						:       Union[str, Any]       						=  tuple(snake_case_  )
								snake_case__						:       Optional[int]       						=  tuple(snake_case_  ) if hidden_states is not None else None

								if not return_dict:
										snake_case__						:       List[str]       						=  (feature_maps,)
										if output_hidden_states:
												snake_case__						:       Optional[int]       						=  output + (hidden_states,)
										return output

								return BackboneOutput(feature_maps=snake_case_			,			hidden_states=snake_case_			,			attentions=snake_case_  )



