


import argparse
import collections
from pathlib import Path

import torch
from torch.serialization import default_restore_location

from transformers import BertConfig, DPRConfig, DPRContextEncoder, DPRQuestionEncoder, DPRReader


_A							     =       collections.namedtuple(
    'CheckpointState', ['model_dict', 'optimizer_dict', 'scheduler_dict', 'offset', 'epoch', 'encoder_params']
)

def 			__SCREAMING_SNAKE_CASE		(		UpperCamelCase		:      Tuple	)     ->	List[str]:



	"""simple docstring"""






	print(F"""Reading saved model from {model_file}"""	)
	a_     			=   torch.load(SCREAMING_SNAKE_CASE_     ,					map_location=lambda UpperCamelCase     ,					UpperCamelCase	: default_restore_location(SCREAMING_SNAKE_CASE_     ,					"""cpu"""	)	)
	return CheckpointState(**SCREAMING_SNAKE_CASE_	)

class 			lowerCamelCase_					:





							def __init__(							self			,       _SCREAMING_SNAKE_CASE    ):
								a_     			=   src_file





							def   __magic_name__      (							self    ):
								raise NotImplementedError





							@staticmethod
							def   __magic_name__      (							_SCREAMING_SNAKE_CASE			,       *_SCREAMING_SNAKE_CASE			,       **_SCREAMING_SNAKE_CASE    ):
								if comp_type.startswith("""c"""    ):
									return DPRContextEncoderState(*_a			,       **_a    )
								if comp_type.startswith("""q"""    ):
									return DPRQuestionEncoderState(*_a			,       **_a    )
								if comp_type.startswith("""r"""    ):
									return DPRReaderState(*_a			,       **_a    )
								else:
									raise ValueError("""Component type must be either \'ctx_encoder\', \'question_encoder\' or \'reader\'."""    )







class 			lowerCamelCase_					(    _snake_case    ):





							def   __magic_name__      (							self    ):
								a_     			=   DPRContextEncoder(DPRConfig(**BertConfig.get_config_dict("""bert-base-uncased"""    )[0]    )    )
								print(f"""Loading DPR biencoder from {self.src_file}"""    )
								a_     			=   load_states_from_checkpoint(self.src_file    )
								a_     			=   model.ctx_encoder, 'ctx_model.'
								# Fix changes from https://github.com/huggingface/transformers/commit/614fef1691edb806de976756d4948ecbcd0c0ca3
								a_     			=   {'bert_model.embeddings.position_ids': model.ctx_encoder.bert_model.embeddings.position_ids}
								for key, value in saved_state.model_dict.items():
									if key.startswith(_a    ):
										a_     			=   key[len(_a    ) :]
										if not key.startswith("""encode_proj."""    ):
											a_     			=   'bert_model.' + key
										a_     			=   value
								encoder.load_state_dict(_a    )
								return model







class 			lowerCamelCase_					(    _snake_case    ):





							def   __magic_name__      (							self    ):
								a_     			=   DPRQuestionEncoder(DPRConfig(**BertConfig.get_config_dict("""bert-base-uncased"""    )[0]    )    )
								print(f"""Loading DPR biencoder from {self.src_file}"""    )
								a_     			=   load_states_from_checkpoint(self.src_file    )
								a_     			=   model.question_encoder, 'question_model.'
								# Fix changes from https://github.com/huggingface/transformers/commit/614fef1691edb806de976756d4948ecbcd0c0ca3
								a_     			=   {'bert_model.embeddings.position_ids': model.question_encoder.bert_model.embeddings.position_ids}
								for key, value in saved_state.model_dict.items():
									if key.startswith(_a    ):
										a_     			=   key[len(_a    ) :]
										if not key.startswith("""encode_proj."""    ):
											a_     			=   'bert_model.' + key
										a_     			=   value
								encoder.load_state_dict(_a    )
								return model







class 			lowerCamelCase_					(    _snake_case    ):





							def   __magic_name__      (							self    ):
								a_     			=   DPRReader(DPRConfig(**BertConfig.get_config_dict("""bert-base-uncased"""    )[0]    )    )
								print(f"""Loading DPR reader from {self.src_file}"""    )
								a_     			=   load_states_from_checkpoint(self.src_file    )
								# Fix changes from https://github.com/huggingface/transformers/commit/614fef1691edb806de976756d4948ecbcd0c0ca3
								a_     			=   {
								    'encoder.bert_model.embeddings.position_ids': model.span_predictor.encoder.bert_model.embeddings.position_ids
								}
								for key, value in saved_state.model_dict.items():
									if key.startswith("""encoder."""    ) and not key.startswith("""encoder.encode_proj"""    ):
										a_     			=   'encoder.bert_model.' + key[len("""encoder."""    ) :]
									a_     			=   value
								model.span_predictor.load_state_dict(_a    )
								return model







def 			__SCREAMING_SNAKE_CASE		(		UpperCamelCase		:      Optional[int]     ,					UpperCamelCase		:      int     ,					UpperCamelCase		:      List[str]	)     ->	Dict:



	"""simple docstring"""






	a_     			=   Path(SCREAMING_SNAKE_CASE_	)
	dest_dir.mkdir(exist_ok=SCREAMING_SNAKE_CASE_	)

	a_     			=   DPRState.from_type(SCREAMING_SNAKE_CASE_     ,					src_file=SCREAMING_SNAKE_CASE_	)
	a_     			=   dpr_state.load_dpr_model()
	model.save_pretrained(SCREAMING_SNAKE_CASE_	)
	model.from_pretrained(SCREAMING_SNAKE_CASE_	)  # sanity check


if __name__ == "__main__":
			_A							     =       argparse.ArgumentParser()
			# Required parameters
			parser.add_argument(
			    '--type', type=str, help='Type of the component to convert: \'ctx_encoder\', \'question_encoder\' or \'reader\'.'
			)
			parser.add_argument(
			    '--src',
			    type=str,
			    help=(
			        'Path to the dpr checkpoint file. They can be downloaded from the official DPR repo'
			        ' https://github.com/facebookresearch/DPR. Note that in the official repo, both encoders are stored in the'
			        ' \'retriever\' checkpoints.'
			    ),
			)
			parser.add_argument('--dest', type=str, default=None, help='Path to the output PyTorch model directory.')
			_A							     =       parser.parse_args()

			_A							     =       Path(args.src)
			_A							     =       f'converted-{src_file.name}' if args.dest is None else args.dest
			_A							     =       Path(dest_dir)
			assert src_file.exists()
			assert (
			    args.type is not None
			), "Please specify the component type of the DPR model to convert: 'ctx_encoder', 'question_encoder' or 'reader'."
			convert(args.type, src_file, dest_dir)
'''simple docstring'''




from __future__ import annotations

import unittest
from collections.abc import Iterator


class    UpperCAmelCase__	:






   """simple docstring"""
   def __init__(self							,					_a							,					_a					)     ->  None:
        lowercase_       :							Union[str, Any]  					=       label
        lowercase_       :							List[str]  					=       parent
        lowercase_       :							Node | None  					=       None
        lowercase_       :							Node | None  					=       None



class    UpperCAmelCase__	:






   """simple docstring"""
   def __init__(self					)     ->  None:
        lowercase_       :							Node | None  					=       None
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							int  					=       None
   def 		_lowerCamelCase			(self					)     ->  bool:
        return self.root is None
   def 		_lowerCamelCase			(self							,					_a					)     ->  None:
        lowercase_       :							Any  					=       self._put(self.root							,					_a					)
   def 		_lowerCamelCase			(self							,					_a							,					_a							,					_a = None					)     ->  Node:
        if node is None:
             lowercase_       :							Union[str, Any]  					=       Node(_a							,					_a					)
        else:
             if label < node.label:
                  lowercase_       :							Optional[int]  					=       self._put(node.left							,					_a							,					_a					)
             elif label > node.label:
                  lowercase_       :							List[str]  					=       self._put(node.right							,					_a							,					_a					)
             else:
                  lowercase_       :							Optional[int]  					=       f'''Node with label {label} already exists'''
                  raise Exception(_a					)

        return node
   def 		_lowerCamelCase			(self							,					_a					)     ->  Node:
        return self._search(self.root							,					_a					)
   def 		_lowerCamelCase			(self							,					_a							,					_a					)     ->  Node:
        if node is None:
             lowercase_       :							Optional[int]  					=       f'''Node with label {label} does not exist'''
             raise Exception(_a					)
        else:
             if label < node.label:
                  lowercase_       :							int  					=       self._search(node.left							,					_a					)
             elif label > node.label:
                  lowercase_       :							str  					=       self._search(node.right							,					_a					)

        return node
   def 		_lowerCamelCase			(self							,					_a					)     ->  None:
        lowercase_       :							List[str]  					=       self.search(_a					)
        if node.right and node.left:
             lowercase_       :							int  					=       self._get_lowest_node(node.right					)
             lowercase_       :							Any  					=       node.left
             lowercase_       :							str  					=       node.right
             lowercase_       :							Any  					=       lowest_node
             if node.right:
                  lowercase_       :							Any  					=       lowest_node
             self._reassign_nodes(_a							,					_a					)
        elif not node.right and node.left:
             self._reassign_nodes(_a							,					node.left					)
        elif node.right and not node.left:
             self._reassign_nodes(_a							,					node.right					)
        else:
             self._reassign_nodes(_a							,					_a					)
   def 		_lowerCamelCase			(self							,					_a							,					_a					)     ->  None:
        if new_children:
             lowercase_       :							List[str]  					=       node.parent

        if node.parent:
             if node.parent.right == node:
                  lowercase_       :							str  					=       new_children
             else:
                  lowercase_       :							Tuple  					=       new_children
        else:
             lowercase_       :							Union[str, Any]  					=       new_children
   def 		_lowerCamelCase			(self							,					_a					)     ->  Node:
        if node.left:
             lowercase_       :							Optional[int]  					=       self._get_lowest_node(node.left					)
        else:
             lowercase_       :							str  					=       node
             self._reassign_nodes(_a							,					node.right					)

        return lowest_node
   def 		_lowerCamelCase			(self							,					_a					)     ->  bool:
        try:
             self.search(_a					)
             return True
        except Exception:
             return False
   def 		_lowerCamelCase			(self					)     ->  int:
        if self.root is None:
             raise Exception('Binary search tree is empty'					)

        lowercase_       :							Tuple  					=       self.root
        while node.right is not None:
             lowercase_       :							Union[str, Any]  					=       node.right

        return node.label
   def 		_lowerCamelCase			(self					)     ->  int:
        if self.root is None:
             raise Exception('Binary search tree is empty'					)

        lowercase_       :							Optional[Any]  					=       self.root
        while node.left is not None:
             lowercase_       :							Optional[int]  					=       node.left

        return node.label
   def 		_lowerCamelCase			(self					)     ->  Iterator[Node]:
        return self._inorder_traversal(self.root					)
   def 		_lowerCamelCase			(self							,					_a					)     ->  Iterator[Node]:
        if node is not None:
             yield from self._inorder_traversal(node.left					)
             yield node
             yield from self._inorder_traversal(node.right					)
   def 		_lowerCamelCase			(self					)     ->  Iterator[Node]:
        return self._preorder_traversal(self.root					)





   def 		_lowerCamelCase			(self							,					_a					)     ->  Iterator[Node]:
        if node is not None:
             yield node
             yield from self._preorder_traversal(node.left					)
             yield from self._preorder_traversal(node.right					)



class    UpperCAmelCase__	(							unittest.TestCase      ):






   """simple docstring"""
   @staticmethod
   def 		_lowerCamelCase			()     ->  BinarySearchTree:
        lowercase_       :							int  					=       BinarySearchTree()
        t.put(8					)
        t.put(3					)
        t.put(6					)
        t.put(1					)
        t.put(10					)
        t.put(14					)
        t.put(13					)
        t.put(4					)
        t.put(7					)
        t.put(5					)

        return t
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							List[Any]  					=       BinarySearchTree()
        assert t.is_empty()

        t.put(8					)
        assert t.root is not None
        assert t.root.parent is None
        assert t.root.label == 8

        t.put(10					)
        assert t.root.right is not None
        assert t.root.right.parent == t.root
        assert t.root.right.label == 10

        t.put(3					)
        assert t.root.left is not None
        assert t.root.left.parent == t.root
        assert t.root.left.label == 3

        t.put(6					)
        assert t.root.left.right is not None
        assert t.root.left.right.parent == t.root.left
        assert t.root.left.right.label == 6

        t.put(1					)
        assert t.root.left.left is not None
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.left.label == 1

        with self.assertRaises(_a					):  # noqa: B017
             t.put(1					)
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							List[Any]  					=       self._get_binary_search_tree()

        lowercase_       :							int  					=       t.search(6					)
        assert node.label == 6

        lowercase_       :							str  					=       t.search(13					)
        assert node.label == 13

        with self.assertRaises(_a					):  # noqa: B017
             t.search(2					)
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Any  					=       self._get_binary_search_tree()

        t.remove(13					)
        assert t.root is not None
        assert t.root.right is not None
        assert t.root.right.right is not None
        assert t.root.right.right.right is None
        assert t.root.right.right.left is None

        t.remove(7					)
        assert t.root.left is not None
        assert t.root.left.right is not None
        assert t.root.left.right.left is not None
        assert t.root.left.right.right is None
        assert t.root.left.right.left.label == 4

        t.remove(6					)
        assert t.root.left.left is not None
        assert t.root.left.right.right is not None
        assert t.root.left.left.label == 1
        assert t.root.left.right.label == 4
        assert t.root.left.right.right.label == 5
        assert t.root.left.right.left is None
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.right.parent == t.root.left

        t.remove(3					)
        assert t.root is not None
        assert t.root.left.label == 4
        assert t.root.left.right.label == 5
        assert t.root.left.left.label == 1
        assert t.root.left.parent == t.root
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.right.parent == t.root.left

        t.remove(4					)
        assert t.root.left is not None
        assert t.root.left.left is not None
        assert t.root.left.label == 5
        assert t.root.left.right is None
        assert t.root.left.left.label == 1
        assert t.root.left.parent == t.root
        assert t.root.left.left.parent == t.root.left
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Union[str, Any]  					=       self._get_binary_search_tree()

        t.remove(3					)
        assert t.root is not None
        assert t.root.left is not None
        assert t.root.left.left is not None
        assert t.root.left.right is not None
        assert t.root.left.right.left is not None
        assert t.root.left.right.right is not None
        assert t.root.left.label == 4
        assert t.root.left.right.label == 6
        assert t.root.left.left.label == 1
        assert t.root.left.right.right.label == 7
        assert t.root.left.right.left.label == 5
        assert t.root.left.parent == t.root
        assert t.root.left.right.parent == t.root.left
        assert t.root.left.left.parent == t.root.left
        assert t.root.left.right.left.parent == t.root.left.right
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Union[str, Any]  					=       self._get_binary_search_tree()
        t.empty()
        assert t.root is None
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							str  					=       self._get_binary_search_tree()
        assert not t.is_empty()

        t.empty()
        assert t.is_empty()
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							List[Any]  					=       self._get_binary_search_tree()

        assert t.exists(6					)
        assert not t.exists(-1					)
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Dict  					=       self._get_binary_search_tree()

        assert t.get_max_label() == 14

        t.empty()
        with self.assertRaises(_a					):  # noqa: B017
             t.get_max_label()
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Tuple  					=       self._get_binary_search_tree()

        assert t.get_min_label() == 1

        t.empty()
        with self.assertRaises(_a					):  # noqa: B017
             t.get_min_label()
   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Tuple  					=       self._get_binary_search_tree()

        lowercase_       :							List[str]  					=       [i.label for i in t.inorder_traversal()]
        assert inorder_traversal_nodes == [1, 3, 4, 5, 6, 7, 8, 10, 13, 14]





   def 		_lowerCamelCase			(self					)     ->  None:
        lowercase_       :							Tuple  					=       self._get_binary_search_tree()

        lowercase_       :							List[Any]  					=       [i.label for i in t.preorder_traversal()]
        assert preorder_traversal_nodes == [8, 3, 1, 6, 4, 5, 7, 10, 14, 13]



def _UpperCamelCase (							):
     lowercase_       :							int  					=       BinarySearchTree()
     t.put(8				)
     t.put(3				)
     t.put(6				)
     t.put(1				)
     t.put(10				)
     t.put(14				)
     t.put(13				)
     t.put(4				)
     t.put(7				)
     t.put(5				)

     print(
         '\n            8\n           / \\\n          3   10\n         / \\    \\\n        1   6    14\n           / \\   /\n          4   7 13\n           \\\n            5\n        '				)

     print('Label 6 exists:'	,							t.exists(6				)				)
     print('Label 13 exists:'	,							t.exists(13				)				)
     print('Label -1 exists:'	,							t.exists(-1				)				)
     print('Label 12 exists:'	,							t.exists(12				)				)

     # Prints all the elements of the list in inorder traversal
     lowercase_       :							Optional[int]  					=       [i.label for i in t.inorder_traversal()]
     print('Inorder traversal:'	,							SCREAMING_SNAKE_CASE_				)

     # Prints all the elements of the list in preorder traversal
     lowercase_       :							str  					=       [i.label for i in t.preorder_traversal()]
     print('Preorder traversal:'	,							SCREAMING_SNAKE_CASE_				)

     print('Max. label:'	,							t.get_max_label()				)
     print('Min. label:'	,							t.get_min_label()				)

     # Delete elements
     print('\nDeleting elements 13, 10, 8, 3, 6, 14'				)
     print(
         '\n          4\n         / \\\n        1   7\n             \\\n              5\n        '				)
     t.remove(13				)
     t.remove(10				)
     t.remove(8				)
     t.remove(3				)
     t.remove(6				)
     t.remove(14				)

     # Prints all the elements of the list in inorder traversal after delete
     lowercase_       :							Dict  					=       [i.label for i in t.inorder_traversal()]
     print('Inorder traversal after delete:'	,							SCREAMING_SNAKE_CASE_				)

     # Prints all the elements of the list in preorder traversal after delete
     lowercase_       :							Dict  					=       [i.label for i in t.preorder_traversal()]
     print('Preorder traversal after delete:'	,							SCREAMING_SNAKE_CASE_				)

     print('Max. label:'	,							t.get_max_label()				)
     print('Min. label:'	,							t.get_min_label()				)


if __name__ == "__main__":
 binary_search_tree_example()




