






import copy
from typing import Dict, Optional

from ...configuration_utils import PretrainedConfig
from ...utils import logging
from ..auto import CONFIG_MAPPING
from ..detr import DetrConfig
from ..swin import SwinConfig


UpperCamelCase        =				{
    "facebook/maskformer-swin-base-ade": (
        "https://huggingface.co/facebook/maskformer-swin-base-ade/blob/main/config.json"
    )
    # See all MaskFormer models at https://huggingface.co/models?filter=maskformer
}

UpperCamelCase        =				logging.get_logger(__name__)

class        lowerCAmelCase_				(      lowercase	):







				"""simple docstring"""




				_snake_case				:   List[str]        =			"""maskformer"""
				_snake_case				:   Any        =			{"""hidden_size""": """mask_feature_size"""}
				_snake_case				:   Union[str, Any]        =			["""resnet""", """swin"""]
				_snake_case				:   List[str]        =			["""detr"""]







				def __init__( self     :Any  ,     lowerCamelCase__     :int = 2_56  ,     lowerCamelCase__     :int = 2_56  ,     lowerCamelCase__     :float = 0.1  ,     lowerCamelCase__     :bool = False  ,     lowerCamelCase__     :Optional[Dict] = None  ,     lowerCamelCase__     :Optional[Dict] = None  ,     lowerCamelCase__     :float = 0.02  ,     lowerCamelCase__     :float = 1.0  ,     lowerCamelCase__     :float = 1.0  ,     lowerCamelCase__     :float = 1.0  ,     lowerCamelCase__     :float = 20.0  ,     lowerCamelCase__     :Optional[bool] = None  ,     **lowerCamelCase__     :str  ,     ):
					if backbone_config is None:
						# fall back to https://huggingface.co/microsoft/swin-base-patch4-window12-384-in22k
						UpperCamelCase__ :Optional[Any]						=      SwinConfig(
						    image_size=3_84  ,     in_channels=3  ,     patch_size=4  ,     embed_dim=1_28  ,     depths=[2, 2, 18, 2]  ,     num_heads=[4, 8, 16, 32]  ,     window_size=12  ,     drop_path_rate=0.3  ,     out_features=["""stage1""", """stage2""", """stage3""", """stage4"""]  ,     )

					if isinstance(lowerCamelCase__  ,     lowerCamelCase__     ):
						UpperCamelCase__ :List[Any]						=      backbone_config.pop("""model_type"""     )
						UpperCamelCase__ :Any						=      CONFIG_MAPPING[backbone_model_type]
						UpperCamelCase__ :Optional[int]						=      config_class.from_dict(lowerCamelCase__     )

					# verify that the backbone is supported
					if backbone_config.model_type not in self.backbones_supported:
						logger.warning_once(
						    f"""Backbone {backbone_config.model_type} is not a supported model and may not be compatible with MaskFormer. """
						    f"""Supported model types: {",".join(self.backbones_supported     )}"""     )

					if decoder_config is None:
						# fall back to https://huggingface.co/facebook/detr-resnet-50
						UpperCamelCase__ :Tuple						=      DetrConfig()
					else:
						# verify that the decoder is supported
						UpperCamelCase__ :Optional[Any]						=      (
						    decoder_config.pop("""model_type"""     ) if isinstance(lowerCamelCase__  ,     lowerCamelCase__     ) else decoder_config.model_type
						)
						if decoder_type not in self.decoders_supported:
							raise ValueError(
							    f"""Transformer Decoder {decoder_type} not supported, please use one of"""
							    f""" {",".join(self.decoders_supported     )}"""     )
						if isinstance(lowerCamelCase__  ,     lowerCamelCase__     ):
							UpperCamelCase__ :Any						=      CONFIG_MAPPING[decoder_type]
							UpperCamelCase__ :Optional[Any]						=      config_class.from_dict(lowerCamelCase__     )

					UpperCamelCase__ :Tuple						=      backbone_config
					UpperCamelCase__ :Optional[int]						=      decoder_config
					# main feature dimension for the model
					UpperCamelCase__ :Union[str, Any]						=      fpn_feature_size
					UpperCamelCase__ :int						=      mask_feature_size
					# initializer
					UpperCamelCase__ :Union[str, Any]						=      init_std
					UpperCamelCase__ :Tuple						=      init_xavier_std
					# Hungarian matcher && loss
					UpperCamelCase__ :Dict						=      cross_entropy_weight
					UpperCamelCase__ :int						=      dice_weight
					UpperCamelCase__ :Optional[Any]						=      mask_weight
					UpperCamelCase__ :int						=      use_auxiliary_loss
					UpperCamelCase__ :List[str]						=      no_object_weight
					UpperCamelCase__ :Any						=      output_auxiliary_logits

					UpperCamelCase__ :Union[str, Any]						=      self.decoder_config.encoder_attention_heads
					UpperCamelCase__ :Any						=      self.decoder_config.num_hidden_layers
					super().__init__(**lowerCamelCase__     )







				@classmethod
				def 				__a   ( cls     :Tuple  ,     lowerCamelCase__     :PretrainedConfig  ,     lowerCamelCase__     :PretrainedConfig  ,     **lowerCamelCase__     :List[Any]     ):
					return cls(
					    backbone_config=lowerCamelCase__  ,     decoder_config=lowerCamelCase__  ,     **lowerCamelCase__  ,     )







				def 				__a   ( self     :List[Any]     ):
					UpperCamelCase__ :List[Any]						=      copy.deepcopy(self.__dict__     )
					UpperCamelCase__ :Dict						=      self.backbone_config.to_dict()
					UpperCamelCase__ :str						=      self.decoder_config.to_dict()
					UpperCamelCase__ :Optional[int]						=      self.__class__.model_type
					return output

"""simple docstring"""



from typing import Any





class 				a			:



      def __init__(   self     ,	UpperCamelCase_      ):
          UpperCAmelCase__	:      Optional[Any]     							=					data
          UpperCAmelCase__	:      List[str]     							=					None



      def __repr__(   self      ):
          return F'''Node({self.data})'''





class 				a			:



      def __init__(   self      ):
          UpperCAmelCase__	:      Any     							=					None



      def __iter__(   self      ):
          UpperCAmelCase__	:      List[str]     							=					self.head
          while node:
              yield node.data
              UpperCAmelCase__	:      Optional[int]     							=					node.next



      def __len__(   self      ):
          return sum(1 for _ in self      )



      def __repr__(   self      ):
          return "->".join([str(UpperCamelCase_      ) for item in self]      )



      def __getitem__(   self     ,	UpperCamelCase_      ):
          if not 0 <= index < len(self      ):
              raise ValueError('list index out of range.'      )
          for i, node in enumerate(self      ):
              if i == index:
                  return node
          return None



      def __setitem__(   self     ,	UpperCamelCase_     ,	UpperCamelCase_      ):
          if not 0 <= index < len(self      ):
              raise ValueError('list index out of range.'      )
          UpperCAmelCase__	:      List[str]     							=					self.head
          for _ in range(UpperCamelCase_      ):
              UpperCAmelCase__	:      Optional[Any]     							=					current.next
          UpperCAmelCase__	:      List[str]     							=					data



      def  __snake_case							(   self     ,	UpperCamelCase_      ):
          self.insert_nth(len(self      )     ,	UpperCamelCase_      )



      def  __snake_case							(   self     ,	UpperCamelCase_      ):
          self.insert_nth(0     ,	UpperCamelCase_      )



      def  __snake_case							(   self     ,	UpperCamelCase_     ,	UpperCamelCase_      ):
          if not 0 <= index <= len(self      ):
              raise IndexError('list index out of range'      )
          UpperCAmelCase__	:      str     							=					Node(UpperCamelCase_      )
          if self.head is None:
              UpperCAmelCase__	:      Tuple     							=					new_node
          elif index == 0:
              UpperCAmelCase__	:      Optional[int]     							=					self.head  # link new_node to head
              UpperCAmelCase__	:      Any     							=					new_node
          else:
              UpperCAmelCase__	:      Dict     							=					self.head
              for _ in range(index - 1      ):
                  UpperCAmelCase__	:      Tuple     							=					temp.next
              UpperCAmelCase__	:      int     							=					temp.next
              UpperCAmelCase__	:      Tuple     							=					new_node



      def  __snake_case							(   self      ):  # print every node data
          print(self      )



      def  __snake_case							(   self      ):
          return self.delete_nth(0      )



      def  __snake_case							(   self      ):  # delete from tail
          return self.delete_nth(len(self      ) - 1      )



      def  __snake_case							(   self     ,	UpperCamelCase_ = 0      ):
          if not 0 <= index <= len(self      ) - 1:  # test if index is valid
              raise IndexError('List index out of range.'      )
          UpperCAmelCase__	:      Union[str, Any]     							=					self.head  # default first node
          if index == 0:
              UpperCAmelCase__	:      Dict     							=					self.head.next
          else:
              UpperCAmelCase__	:      List[Any]     							=					self.head
              for _ in range(index - 1      ):
                  UpperCAmelCase__	:      Any     							=					temp.next
              UpperCAmelCase__	:      Dict     							=					temp.next
              UpperCAmelCase__	:      Tuple     							=					temp.next.next
          return delete_node.data



      def  __snake_case							(   self      ):
          return self.head is None



      def  __snake_case							(   self      ):
          UpperCAmelCase__	:      Optional[Any]     							=					None
          UpperCAmelCase__	:      str     							=					self.head

          while current:
              # Store the current node's next node.
              UpperCAmelCase__	:      Any     							=					current.next
              # Make the current node's next point backwards
              UpperCAmelCase__	:      Optional[int]     							=					prev
              # Make the previous node be the current node
              UpperCAmelCase__	:      List[Any]     							=					current
              # Make the current node the next node (to progress iteration)
              UpperCAmelCase__	:      int     							=					next_node
          # Return prev in order to put the head at the end
          UpperCAmelCase__	:      str     							=					prev




def 					lowerCamelCase   (     ):
    UpperCAmelCase__	:      Dict     							=					LinkedList()
    assert linked_list.is_empty() is True
    assert str(_snake_case ) == ""

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

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

    for i in range(10 ):
        assert len(_snake_case ) == i
        linked_list.insert_nth(_snake_case    ,i + 1 )
    assert str(_snake_case ) == "->".join(str(_snake_case ) for i in range(1    ,11 ) )

    linked_list.insert_head(0 )
    linked_list.insert_tail(11 )
    assert str(_snake_case ) == "->".join(str(_snake_case ) for i in range(0    ,12 ) )

    assert linked_list.delete_head() == 0
    assert linked_list.delete_nth(9 ) == 10
    assert linked_list.delete_tail() == 11
    assert len(_snake_case ) == 9
    assert str(_snake_case ) == "->".join(str(_snake_case ) for i in range(1    ,10 ) )

    assert all(linked_list[i] == i + 1 for i in range(0    ,9 ) ) is True

    for i in range(0    ,9 ):
        UpperCAmelCase__	:      Any     							=					-i
    assert all(linked_list[i] == -i for i in range(0    ,9 ) ) is True

    linked_list.reverse()
    assert str(_snake_case ) == "->".join(str(_snake_case ) for i in range(-8    ,1 ) )
def 					lowerCamelCase   (     ):
    UpperCAmelCase__	:      int     							=					[
        -9,
        100,
        Node(77345112 ),
        'dlrow olleH',
        7,
        5555,
        0,
        -192.55555,
        'Hello, world!',
        77.9,
        Node(10 ),
        None,
        None,
        12.20,
    ]
    UpperCAmelCase__	:      Dict     							=					LinkedList()

    for i in test_input:
        linked_list.insert_tail(_snake_case )

    # Check if it's empty or not
    assert linked_list.is_empty() is False
    assert (
        str(_snake_case ) == "-9->100->Node(77345112)->dlrow olleH->7->5555->0->"
        "-192.55555->Hello, world!->77.9->Node(10)->None->None->12.2"
    )

    # Delete the head
    UpperCAmelCase__	:      Any     							=					linked_list.delete_head()
    assert result == -9
    assert (
        str(_snake_case ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
        "Hello, world!->77.9->Node(10)->None->None->12.2"
    )

    # Delete the tail
    UpperCAmelCase__	:      Union[str, Any]     							=					linked_list.delete_tail()
    assert result == 12.2
    assert (
        str(_snake_case ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
        "Hello, world!->77.9->Node(10)->None->None"
    )

    # Delete a node in specific location in linked list
    UpperCAmelCase__	:      Dict     							=					linked_list.delete_nth(10 )
    assert result is None
    assert (
        str(_snake_case ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
        "Hello, world!->77.9->Node(10)->None"
    )

    # Add a Node instance to its head
    linked_list.insert_head(Node('Hello again, world!' ) )
    assert (
        str(_snake_case )
        == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
        "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None"
    )

    # Add None to its tail
    linked_list.insert_tail(_snake_case )
    assert (
        str(_snake_case )
        == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
        "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None->None"
    )

    # Reverse the linked list
    linked_list.reverse()
    assert (
        str(_snake_case )
        == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
        "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
    )
def 					lowerCamelCase   (     ):
    from doctest import testmod

    testmod()

    UpperCAmelCase__	:      Optional[Any]     							=					LinkedList()
    linked_list.insert_head(input('Inserting 1st at head ' ).strip() )
    linked_list.insert_head(input('Inserting 2nd at head ' ).strip() )
    print('\nPrint list:' )
    linked_list.print_list()
    linked_list.insert_tail(input('\nInserting 1st at tail ' ).strip() )
    linked_list.insert_tail(input('Inserting 2nd at tail ' ).strip() )
    print('\nPrint list:' )
    linked_list.print_list()
    print('\nDelete head' )
    linked_list.delete_head()
    print('Delete tail' )
    linked_list.delete_tail()
    print('\nPrint list:' )
    linked_list.print_list()
    print('\nReverse linked list' )
    linked_list.reverse()
    print('\nPrint list:' )
    linked_list.print_list()
    print('\nString representation of linked list:' )
    print(_snake_case )
    print('\nReading/changing Node data using indexing:' )
    print(F'''Element at Position 1: {linked_list[1]}''' )
    UpperCAmelCase__	:      List[Any]     							=					input('Enter New Value: ' ).strip()
    print('New list:' )
    print(_snake_case )
    print(F'''length of linked_list is : {len(_snake_case )}''' )


if __name__ == "__main__":
    main()

