



'''simple docstring'''





from tempfile import TemporaryDirectory
from unittest import TestCase
from unittest.mock import MagicMock, patch

from transformers import AutoModel, TFAutoModel
from transformers.onnx import FeaturesManager
from transformers.testing_utils import SMALL_MODEL_IDENTIFIER, require_tf, require_torch






@require_torch
@require_tf
class 	lowerCAmelCase_(    SCREAMING_SNAKE_CASE_					):
  '''simple docstring'''




  def 							UpperCAmelCase_     (   self				)   ->		List[str]:
      lowerCAmelCase__			:  int											= SMALL_MODEL_IDENTIFIER
      lowerCAmelCase__			:  Tuple											= """pt"""
      lowerCAmelCase__			:  Dict											= """tf"""




  def 							UpperCAmelCase_     (   self  ,__UpperCAmelCase				)   ->		Optional[int]:
      lowerCAmelCase__			:  Optional[Any]											= AutoModel.from_pretrained(self.test_model				)
      model_pt.save_pretrained(__UpperCAmelCase				)




  def 							UpperCAmelCase_     (   self  ,__UpperCAmelCase				)   ->		str:
      lowerCAmelCase__			:  str											= TFAutoModel.from_pretrained(self.test_model  ,from_pt=__UpperCAmelCase				)
      model_tf.save_pretrained(__UpperCAmelCase				)




  def 							UpperCAmelCase_     (   self				)   ->		Union[str, Any]:
      lowerCAmelCase__			:  List[str]											= """mock_framework"""

      # Framework provided - return whatever the user provides
      lowerCAmelCase__			:  int											= FeaturesManager.determine_framework(self.test_model  ,__UpperCAmelCase				)
      self.assertEqual(__UpperCAmelCase  ,__UpperCAmelCase				)

      # Local checkpoint and framework provided - return provided framework
      # PyTorch checkpoint
      with TemporaryDirectory() as local_pt_ckpt:
          self._setup_pt_ckpt(__UpperCAmelCase				)
          lowerCAmelCase__			:  int											= FeaturesManager.determine_framework(__UpperCAmelCase  ,__UpperCAmelCase				)
          self.assertEqual(__UpperCAmelCase  ,__UpperCAmelCase				)

      # TensorFlow checkpoint
      with TemporaryDirectory() as local_tf_ckpt:
          self._setup_tf_ckpt(__UpperCAmelCase				)
          lowerCAmelCase__			:  Optional[Any]											= FeaturesManager.determine_framework(__UpperCAmelCase  ,__UpperCAmelCase				)
          self.assertEqual(__UpperCAmelCase  ,__UpperCAmelCase				)




  def 							UpperCAmelCase_     (   self				)   ->		Tuple:
      # PyTorch checkpoint
      with TemporaryDirectory() as local_pt_ckpt:
          self._setup_pt_ckpt(__UpperCAmelCase				)
          lowerCAmelCase__			:  Dict											= FeaturesManager.determine_framework(__UpperCAmelCase				)
          self.assertEqual(__UpperCAmelCase  ,self.framework_pt				)

      # TensorFlow checkpoint
      with TemporaryDirectory() as local_tf_ckpt:
          self._setup_tf_ckpt(__UpperCAmelCase				)
          lowerCAmelCase__			:  Optional[int]											= FeaturesManager.determine_framework(__UpperCAmelCase				)
          self.assertEqual(__UpperCAmelCase  ,self.framework_tf				)

      # Invalid local checkpoint
      with TemporaryDirectory() as local_invalid_ckpt:
          with self.assertRaises(__UpperCAmelCase				):
              lowerCAmelCase__			:  List[Any]											= FeaturesManager.determine_framework(__UpperCAmelCase				)






  def 							UpperCAmelCase_     (   self				)   ->		Dict:
      lowerCAmelCase__			:  Dict											= MagicMock(return_value=__UpperCAmelCase				)
      with patch("""transformers.onnx.features.is_tf_available"""  ,__UpperCAmelCase				):
          lowerCAmelCase__			:  Dict											= FeaturesManager.determine_framework(self.test_model				)
          self.assertEqual(__UpperCAmelCase  ,self.framework_pt				)

      # PyTorch not in environment -> use TensorFlow
      lowerCAmelCase__			:  List[Any]											= MagicMock(return_value=__UpperCAmelCase				)
      with patch("""transformers.onnx.features.is_torch_available"""  ,__UpperCAmelCase				):
          lowerCAmelCase__			:  Any											= FeaturesManager.determine_framework(self.test_model				)
          self.assertEqual(__UpperCAmelCase  ,self.framework_tf				)

      # Both in environment -> use PyTorch
      lowerCAmelCase__			:  Dict											= MagicMock(return_value=__UpperCAmelCase				)
      lowerCAmelCase__			:  int											= MagicMock(return_value=__UpperCAmelCase				)
      with patch("""transformers.onnx.features.is_tf_available"""  ,__UpperCAmelCase				), patch(
          """transformers.onnx.features.is_torch_available"""  ,__UpperCAmelCase				):
          lowerCAmelCase__			:  Any											= FeaturesManager.determine_framework(self.test_model				)
          self.assertEqual(__UpperCAmelCase  ,self.framework_pt				)

      # Both not in environment -> raise error
      lowerCAmelCase__			:  Optional[int]											= MagicMock(return_value=__UpperCAmelCase				)
      lowerCAmelCase__			:  Any											= MagicMock(return_value=__UpperCAmelCase				)
      with patch("""transformers.onnx.features.is_tf_available"""  ,__UpperCAmelCase				), patch(
          """transformers.onnx.features.is_torch_available"""  ,__UpperCAmelCase				):
          with self.assertRaises(__UpperCAmelCase				):
              lowerCAmelCase__			:  Tuple											= FeaturesManager.determine_framework(self.test_model				)







'''simple docstring'''





from typing import Any






class 	lowerCAmelCase_:
  '''simple docstring'''




  def __init__(   self  ,__UpperCAmelCase				)   ->		Any:
      lowerCAmelCase__			:  Optional[Any]											= data
      lowerCAmelCase__			:  str											= None






  def __repr__(   self				)   ->		str:
      return F"""Node({self.data})"""







class 	lowerCAmelCase_:
  '''simple docstring'''




  def __init__(   self				)   ->		List[Any]:
      lowerCAmelCase__			:  List[str]											= None




  def __iter__(   self				)   ->		Any:
      lowerCAmelCase__			:  int											= self.head
      while node:
          yield node.data
          lowerCAmelCase__			:  Optional[Any]											= node.next




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




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




  def __getitem__(   self  ,__UpperCAmelCase				)   ->		Any:
      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				)   ->		None:
      if not 0 <= index < len(self				):
          raise ValueError("""list index out of range."""				)
      lowerCAmelCase__			:  List[Any]											= self.head
      for _ in range(__UpperCAmelCase				):
          lowerCAmelCase__			:  List[str]											= current.next
      lowerCAmelCase__			:  Dict											= data




  def 							UpperCAmelCase_     (   self  ,__UpperCAmelCase				)   ->		None:
      self.insert_nth(len(self				)  ,__UpperCAmelCase				)




  def 							UpperCAmelCase_     (   self  ,__UpperCAmelCase				)   ->		None:
      self.insert_nth(0  ,__UpperCAmelCase				)




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




  def 							UpperCAmelCase_     (   self				)   ->		None:  # print every node data
      print(self				)




  def 							UpperCAmelCase_     (   self				)   ->		Any:
      return self.delete_nth(0				)




  def 							UpperCAmelCase_     (   self				)   ->		Any:  # delete from tail
      return self.delete_nth(len(self				) - 1				)




  def 							UpperCAmelCase_     (   self  ,__UpperCAmelCase = 0				)   ->		Any:
      if not 0 <= index <= len(self				) - 1:  # test if index is valid
          raise IndexError("""List index out of range."""				)
      lowerCAmelCase__			:  List[Any]											= self.head  # default first node
      if index == 0:
          lowerCAmelCase__			:  str											= self.head.next
      else:
          lowerCAmelCase__			:  int											= self.head
          for _ in range(index - 1				):
              lowerCAmelCase__			:  Union[str, Any]											= temp.next
          lowerCAmelCase__			:  Optional[Any]											= temp.next
          lowerCAmelCase__			:  Any											= temp.next.next
      return delete_node.data




  def 							UpperCAmelCase_     (   self				)   ->		bool:
      return self.head is None






  def 							UpperCAmelCase_     (   self				)   ->		None:
      lowerCAmelCase__			:  Optional[int]											= None
      lowerCAmelCase__			:  str											= self.head

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







def        _SCREAMING_SNAKE_CASE  (	):



    """simple docstring"""





    lowerCAmelCase__			:  Dict											= LinkedList()
    assert linked_list.is_empty() is True
    assert str(UpperCamelCase      ) == ""

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

    linked_list.insert_head(0      )
    linked_list.insert_tail(11      )
    assert str(UpperCamelCase      ) == "->".join(str(UpperCamelCase      ) 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(UpperCamelCase      ) == 9
    assert str(UpperCamelCase      ) == "->".join(str(UpperCamelCase      ) 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      ):
        lowerCAmelCase__			:  str											= -i
    assert all(linked_list[i] == -i for i in range(0							,   9      )      ) is True

    linked_list.reverse()
    assert str(UpperCamelCase      ) == "->".join(str(UpperCamelCase      ) for i in range(-8							,   1      )      )
def        _SCREAMING_SNAKE_CASE  (	):



    """simple docstring"""





    lowerCAmelCase__			:  Any											= [
        -9,
        100,
        Node(77345112      ),
        """dlrow olleH""",
        7,
        5555,
        0,
        -192.5_5555,
        """Hello, world!""",
        77.9,
        Node(10      ),
        None,
        None,
        12.20,
    ]
    lowerCAmelCase__			:  List[Any]											= LinkedList()

    for i in test_input:
        linked_list.insert_tail(UpperCamelCase      )

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

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

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



    """simple docstring"""





    from doctest import testmod

    testmod()

    lowerCAmelCase__			:  str											= 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(UpperCamelCase      )
    print("""\nReading/changing Node data using indexing:"""      )
    print(f"""Element at Position 1: {linked_list[1]}"""      )
    lowerCAmelCase__			:  Dict											= input("""Enter New Value: """      ).strip()
    print("""New list:"""      )
    print(UpperCamelCase      )
    print(f"""length of linked_list is : {len(UpperCamelCase      )}"""      )


if __name__ == "__main__":
 main()


