




"""simple docstring"""






from typing import Mapping

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxSeqaSeqConfigWithPast
from ...utils import logging


lowercase__     						=						logging.get_logger(__name__)

lowercase__     						=						{
    """t5-small""": """https://huggingface.co/t5-small/resolve/main/config.json""",
    """t5-base""": """https://huggingface.co/t5-base/resolve/main/config.json""",
    """t5-large""": """https://huggingface.co/t5-large/resolve/main/config.json""",
    """t5-3b""": """https://huggingface.co/t5-3b/resolve/main/config.json""",
    """t5-11b""": """https://huggingface.co/t5-11b/resolve/main/config.json""",
}






class lowerCAmelCase__	(     lowercase						):






			'''simple docstring'''



			lowerCamelCase__      =			"""t5"""
			lowerCamelCase__      =			["""past_key_values"""]
			lowerCamelCase__      =			{"""hidden_size""": """d_model""", """num_attention_heads""": """num_heads""", """num_hidden_layers""": """num_layers"""}
			def __init__(  self  ,      lowercase=32128  ,      lowercase=512  ,      lowercase=64  ,      lowercase=2048  ,      lowercase=6  ,      lowercase=None  ,      lowercase=8  ,      lowercase=32  ,      lowercase=128  ,      lowercase=0.1  ,      lowercase=1E-6  ,      lowercase=1.0  ,      lowercase="relu"  ,      lowercase=True  ,      lowercase=True  ,      lowercase=0  ,      lowercase=1  ,      **lowercase  ,      ):
							_lowerCamelCase     :			Optional[int]    =    vocab_size
							_lowerCamelCase     :			Any    =    d_model
							_lowerCamelCase     :			List[str]    =    d_kv
							_lowerCamelCase     :			Optional[int]    =    d_ff
							_lowerCamelCase     :			Union[str, Any]    =    num_layers
							_lowerCamelCase     :			str    =    (
							    num_decoder_layers if num_decoder_layers is not None else self.num_layers
							)  # default = symmetry
							_lowerCamelCase     :			Union[str, Any]    =    num_heads
							_lowerCamelCase     :			Any    =    relative_attention_num_buckets
							_lowerCamelCase     :			Tuple    =    relative_attention_max_distance
							_lowerCamelCase     :			List[str]    =    dropout_rate
							_lowerCamelCase     :			Optional[Any]    =    layer_norm_epsilon
							_lowerCamelCase     :			Dict    =    initializer_factor
							_lowerCamelCase     :			Dict    =    feed_forward_proj
							_lowerCamelCase     :			Union[str, Any]    =    use_cache

							_lowerCamelCase     :			Tuple    =    self.feed_forward_proj.split('-'  )
							_lowerCamelCase     :			Tuple    =    act_info[-1]
							_lowerCamelCase     :			str    =    act_info[0] == 'gated'

							if len(lowercase  ) > 1 and act_info[0] != "gated" or len(lowercase  ) > 2:
											raise ValueError(
											    F'''`feed_forward_proj`: {feed_forward_proj} is not a valid activation function of the dense layer.'''
											    'Please make sure `feed_forward_proj` is of the format `gated-{ACT_FN}` or `{ACT_FN}`, e.g. '
											    '\'gated-gelu\' or \'relu\''  )

							# for backwards compatibility
							if feed_forward_proj == "gated-gelu":
											_lowerCamelCase     :			int    =    'gelu_new'

							super().__init__(
							    pad_token_id=lowercase  ,      eos_token_id=lowercase  ,      is_encoder_decoder=lowercase  ,      **lowercase  ,      )






class lowerCAmelCase__	(     lowercase						):






			'''simple docstring'''



			@property
			def 					A_    (  self  ):
							_lowerCamelCase     :			Any    =    {
							    'input_ids': {0: 'batch', 1: 'encoder_sequence'},
							    'attention_mask': {0: 'batch', 1: 'encoder_sequence'},
							}
							if self.use_past:
											_lowerCamelCase     :			int    =    'past_encoder_sequence + sequence'
											_lowerCamelCase     :			Union[str, Any]    =    {0: 'batch'}
											_lowerCamelCase     :			Optional[Any]    =    {0: 'batch', 1: 'past_decoder_sequence + sequence'}
							else:
											_lowerCamelCase     :			Tuple    =    {0: 'batch', 1: 'decoder_sequence'}
											_lowerCamelCase     :			Dict    =    {0: 'batch', 1: 'decoder_sequence'}

							if self.use_past:
											self.fill_with_past_key_values_(lowercase  ,      direction='inputs'  )

							return common_inputs






			@property
			def 					A_    (  self  ):
							return 13





"""simple docstring"""






from __future__ import annotations

from collections.abc import Iterator
from typing import Any






class lowerCAmelCase__	:






			'''simple docstring'''



			def __init__(  self  ,      lowercase  ):
							_lowerCamelCase     :			Any    =    data
							_lowerCamelCase     :			Node | None    =    None






class lowerCAmelCase__	:






			'''simple docstring'''



			def __init__(  self  ):
							_lowerCamelCase     :			str    =    None
							_lowerCamelCase     :			str    =    None
			def __iter__(  self  ):
							_lowerCamelCase     :			List[str]    =    self.head
							while self.head:
											yield node.data
											_lowerCamelCase     :			Optional[int]    =    node.next
											if node == self.head:
															break
			def __len__(  self  ):
							return sum(1 for _ in self  )
			def __repr__(  self  ):
							return "->".join(str(lowercase  ) for item in iter(self  )  )
			def 					A_    (  self  ,      lowercase  ):
							self.insert_nth(len(self  )  ,      lowercase  )
			def 					A_    (  self  ,      lowercase  ):
							self.insert_nth(0  ,      lowercase  )
			def 					A_    (  self  ,      lowercase  ,      lowercase  ):
							if index < 0 or index > len(self  ):
											raise IndexError('list index out of range.'  )
							_lowerCamelCase     :			List[Any]    =    Node(lowercase  )
							if self.head is None:
											_lowerCamelCase     :			str    =    new_node  # first node points itself
											_lowerCamelCase     :			Union[str, Any]    =    new_node
							elif index == 0:  # insert at head
											_lowerCamelCase     :			List[str]    =    self.head
											_lowerCamelCase     :			str    =    new_node
							else:
											_lowerCamelCase     :			Union[str, Any]    =    self.head
											for _ in range(index - 1  ):
															_lowerCamelCase     :			List[Any]    =    temp.next
											_lowerCamelCase     :			Union[str, Any]    =    temp.next
											_lowerCamelCase     :			List[str]    =    new_node
											if index == len(self  ) - 1:  # insert at tail
															_lowerCamelCase     :			Any    =    new_node
			def 					A_    (  self  ):
							return self.delete_nth(0  )
			def 					A_    (  self  ):
							return self.delete_nth(len(self  ) - 1  )
			def 					A_    (  self  ,      lowercase = 0  ):
							if not 0 <= index < len(self  ):
											raise IndexError('list index out of range.'  )
							_lowerCamelCase     :			Any    =    self.head
							if self.head == self.tail:  # just one node
											_lowerCamelCase     :			List[str]    =    None
							elif index == 0:  # delete head node
											_lowerCamelCase     :			List[str]    =    self.tail.next.next
											_lowerCamelCase     :			Optional[int]    =    self.head.next
							else:
											_lowerCamelCase     :			Dict    =    self.head
											for _ in range(index - 1  ):
															_lowerCamelCase     :			List[Any]    =    temp.next
											_lowerCamelCase     :			int    =    temp.next
											_lowerCamelCase     :			Optional[int]    =    temp.next.next
											if index == len(self  ) - 1:  # delete at tail
															_lowerCamelCase     :			List[Any]    =    temp
							return delete_node.data






			def 					A_    (  self  ):
							return len(self  ) == 0







def      _snake_case			(				):
				_lowerCamelCase     :			Union[str, Any]    =    CircularLinkedList()
				assert len(lowercase__		) == 0
				assert circular_linked_list.is_empty() is True
				assert str(lowercase__		) == ""

				try:
								circular_linked_list.delete_front()
								raise AssertionError  # This should not happen
				except IndexError:
								assert True  # This should happen

				try:
								circular_linked_list.delete_tail()
								raise AssertionError  # This should not happen
				except IndexError:
								assert True  # This should happen

				try:
								circular_linked_list.delete_nth(-1		)
								raise AssertionError
				except IndexError:
								assert True

				try:
								circular_linked_list.delete_nth(0		)
								raise AssertionError
				except IndexError:
								assert True

				assert circular_linked_list.is_empty() is True
				for i in range(5		):
								assert len(lowercase__		) == i
								circular_linked_list.insert_nth(lowercase__							,    i + 1		)
				assert str(lowercase__		) == "->".join(str(lowercase__		) for i in range(1							,    6		)		)

				circular_linked_list.insert_tail(6		)
				assert str(lowercase__		) == "->".join(str(lowercase__		) for i in range(1							,    7		)		)
				circular_linked_list.insert_head(0		)
				assert str(lowercase__		) == "->".join(str(lowercase__		) for i in range(0							,    7		)		)

				assert circular_linked_list.delete_front() == 0
				assert circular_linked_list.delete_tail() == 6
				assert str(lowercase__		) == "->".join(str(lowercase__		) for i in range(1							,    6		)		)
				assert circular_linked_list.delete_nth(2		) == 3

				circular_linked_list.insert_nth(2							,    3		)
				assert str(lowercase__		) == "->".join(str(lowercase__		) for i in range(1							,    6		)		)

				assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
			import doctest

			doctest.testmod()