code: 
  
  
  """simple docstring"""
  
  
  
  
  import argparse
  
  import torch
  from torch import nn
  
  from transformers import PLBartConfig, PLBartForConditionalGeneration, PLBartForSequenceClassification
  
  
  
  def 						__a      (  a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         _a          =				[
             "encoder.version",
             "decoder.version",
             "model.encoder.version",
             "model.decoder.version",
             "_float_tensor",
             "decoder.output_projection.weight",
         ]
         for k in ignore_keys:
                state_dict.pop(a,		a					)
  
  
  
  def 						__a      (  a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         _a   , _a          =				emb.weight.shape
         _a          =				nn.Linear(a,		a,		bias=a					)
         _a          =				emb.weight.data
         return lin_layer
  
  
  
  def 						__a      (  a,		a="uclanlp/plbart-base",		a=False,		a=False					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         _a          =				torch.load(a,		map_location="cpu"					)["model"]
         remove_ignore_keys_(a					)
         _a          =				state_dict["encoder.embed_tokens.weight"].shape[0]
  
         _a          =				PLBartConfig.from_pretrained(a,		vocab_size=a					)
  
         _a          =				state_dict["decoder.embed_tokens.weight"]
         if not classification:
                _a          =				PLBartForConditionalGeneration(a					)
                model.model.load_state_dict(a					)
                if finetuned:
                       _a          =				make_linear_from_emb(model.model.shared					)
  
         else:
                _a          =				{}
                for key, value in state_dict.copy().items():
                       if key.startswith("classification_heads.sentence_classification_head"					):
                              _a          =				value
                              state_dict.pop(a					)
                _a          =				PLBartForSequenceClassification(a					)
                model.model.load_state_dict(a					)
                model.classification_head.load_state_dict(a					)
  
         return model
  
  
  if __name__ == "__main__":
     __SCREAMING_SNAKE_CASE					=						argparse.ArgumentParser()
     # Required parameters
     parser.add_argument("""fairseq_path""", type=str, help="""model.pt on local filesystem.""")
     parser.add_argument("""pytorch_dump_folder_path""", default=None, type=str, help="""Path to the output PyTorch model.""")
     parser.add_argument(
         """--hf_config""",
         default="""uclanlp/plbart-base""",
         type=str,
         help="""Which huggingface architecture to use: plbart-base""",
     )
     parser.add_argument("""--finetuned""", action="""store_true""", help="""whether the model is a fine-tuned checkpoint""")
     parser.add_argument(
         """--classification""", action="""store_true""", help="""whether the model is a classification checkpoint"""
     )
     __SCREAMING_SNAKE_CASE					=						parser.parse_args()
     __SCREAMING_SNAKE_CASE					=						convert_fairseq_plbart_checkpoint_from_disk(
         args.fairseq_path,
         hf_config_path=args.hf_config,
         finetuned=args.finetuned,
         classification=args.classification,
     )
     model.save_pretrained(args.pytorch_dump_folder_path)
  
style_context: 
  
  
  """simple docstring"""
  
  
  
  
  from __future__ import annotations
  
  __SCREAMING_SNAKE_CASE					=						[2, 1, 4, 5, 6, 0, 8, 9, 1, 2, 0, 6, 4, 2, 0, 6, 5, 3, 2, 7]
  
  
  
  
  
  class __snake_case		:
  
  
  
  
  
  
  
     """simple docstring"""
  
  
  
  
     def __init__(		self							:Optional[Any]				,  UpperCamelCase__							:int       ):
            _a          =				-1
            _a          =				-1
            _a          =				[-1] * length
            _a          =				None
            _a          =				None
  
  
  
  
     def __repr__(		self							:Optional[Any]       ):
            return f'Node(min_value={self.minn} max_value={self.maxx})'
  
  
  
  
  
  
  def 						__a      (  a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         _a          =				Node(len(a					)					)
         _a   , _a          =				min(a					), max(a					)
         # Leaf node case where the node contains only one unique value
         if root.minn == root.maxx:
                return root
         _a          =				(root.minn + root.maxx) // 2
  
         _a          =				[]
         _a          =				[]
  
         for index, num in enumerate(a					):
                if num <= pivot:
                       left_arr.append(a					)
                else:
                       right_arr.append(a					)
                _a          =				len(a					)
         _a          =				build_tree(a					)
         _a          =				build_tree(a					)
         return root
  
  
  
  def 						__a      (  a,		a,		a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         if index < 0 or node is None:
                return 0
         # Leaf node cases
         if node.minn == node.maxx:
                return index + 1 if node.minn == num else 0
         _a          =				(node.minn + node.maxx) // 2
         if num <= pivot:
                # go the left subtree and map index to the left subtree
                return rank_till_index(node.left,		a,		node.map_left[index] - 1					)
         else:
                # go to the right subtree and map index to the right subtree
                return rank_till_index(node.right,		a,		index - node.map_left[index]					)
  
  
  
  def 						__a      (  a,		a,		a,		a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         if start > end:
                return 0
         _a          =				rank_till_index(a,		a,		a					)
         _a          =				rank_till_index(a,		a,		start - 1					)
         return rank_till_end - rank_before_start
  
  
  
  def 						__a      (  a,		a,		a,		a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         if index > (end - start) or start > end or node is None:
                return -1
         # Leaf node case
         if node.minn == node.maxx:
                return node.minn
         # Number of elements in the left subtree in interval [start, end]
         _a          =				node.map_left[end] - (
             node.map_left[start - 1] if start else 0
         )
         if num_elements_in_left_tree > index:
                return quantile(
                    node.left,		a,		(node.map_left[start - 1] if start else 0),		node.map_left[end] - 1,		)
         else:
                return quantile(
                    node.right,		index - num_elements_in_left_tree,		start - (node.map_left[start - 1] if start else 0),		end - node.map_left[end],		)
  
  
  
  def 						__a      (  a,		a,		a,		a,		a					):
  
  
  
  
  
         """simple docstring"""
  
  
  
  
  
  
  
         if (
             start > end
             or node is None
             or start_num > end_num
             or node.minn > end_num
             or node.maxx < start_num
         ):
                return 0
         if start_num <= node.minn and node.maxx <= end_num:
                return end - start + 1
         _a          =				range_counting(
             node.left,		(node.map_left[start - 1] if start else 0),		node.map_left[end] - 1,		a,		a,		)
         _a          =				range_counting(
             node.right,		start - (node.map_left[start - 1] if start else 0),		end - node.map_left[end],		a,		a,		)
         return left + right
  
  
  if __name__ == "__main__":
     import doctest
  
     doctest.testmod()
  