





from transformers import (
    DPRContextEncoderTokenizer,
    DPRContextEncoderTokenizerFast,
    DPRQuestionEncoderTokenizer,
    DPRQuestionEncoderTokenizerFast,
    DPRReaderOutput,
    DPRReaderTokenizer,
    DPRReaderTokenizerFast,
)
from transformers.testing_utils import require_tokenizers, slow
from transformers.tokenization_utils_base import BatchEncoding

from ..bert.test_tokenization_bert import BertTokenizationTest





@require_tokenizers
class   lowercase__     (				__A	):
  __UpperCamelCase						  =	DPRContextEncoderTokenizer
  __UpperCamelCase						  =	DPRContextEncoderTokenizerFast
  __UpperCamelCase						  =	True





@require_tokenizers
class   lowercase__     (				__A	):
  __UpperCamelCase						  =	DPRQuestionEncoderTokenizer
  __UpperCamelCase						  =	DPRQuestionEncoderTokenizerFast
  __UpperCamelCase						  =	True





@require_tokenizers
class   lowercase__     (				__A	):
  __UpperCamelCase						  =	DPRReaderTokenizer
  __UpperCamelCase						  =	DPRReaderTokenizerFast
  __UpperCamelCase						  =	True







  @slow
  def 						UpperCAmelCase__		(						self    ):
       lowerCAmelCase_       :							List[Any]			 =		self.tokenizer_class.from_pretrained("""bert-base-uncased"""    )

       lowerCAmelCase_       :							Union[str, Any]			 =		tokenizer.encode("""question sequence"""     ,    add_special_tokens=_lowercase    )
       lowerCAmelCase_       :							Union[str, Any]			 =		tokenizer.encode("""title sequence"""     ,    add_special_tokens=_lowercase    )
       lowerCAmelCase_       :							Optional[Any]			 =		tokenizer.encode("""text sequence """ * 4     ,    add_special_tokens=_lowercase    )
       lowerCAmelCase_       :							int			 =		[[101] + text_a + [102] + text_a + [102] + text_a]
       lowerCAmelCase_       :							List[Any]			 =		BatchEncoding({"""input_ids""": input_ids}    )

       lowerCAmelCase_       :							Union[str, Any]			 =		[[0] * len(input_ids[0]    )]
       lowerCAmelCase_       :							Union[str, Any]			 =		[[0] * len(input_ids[0]    )]
       lowerCAmelCase_       :							Optional[int]			 =		[0]
       lowerCAmelCase_       :							Optional[Any]			 =		DPRReaderOutput(_lowercase     ,    _lowercase     ,    _lowercase    )

       lowerCAmelCase_ ,	lowerCAmelCase_       :							List[str]			 =		8, 9
       lowerCAmelCase_       :							List[Any]			 =		10
       lowerCAmelCase_       :							Union[str, Any]			 =		10
       lowerCAmelCase_       :							List[Any]			 =		tokenizer.decode_best_spans(_lowercase     ,    _lowercase    )
       self.assertEqual(predicted_spans[0].start_index     ,    _lowercase    )
       self.assertEqual(predicted_spans[0].end_index     ,    _lowercase    )
       self.assertEqual(predicted_spans[0].doc_id     ,    0    )







  @slow
  def 						UpperCAmelCase__		(						self    ):
       lowerCAmelCase_       :							Any			 =		self.tokenizer_class.from_pretrained("""bert-base-uncased"""    )

       lowerCAmelCase_       :							str			 =		tokenizer.encode("""question sequence"""     ,    add_special_tokens=_lowercase    )
       lowerCAmelCase_       :							Optional[int]			 =		tokenizer.encode("""title sequence"""     ,    add_special_tokens=_lowercase    )
       lowerCAmelCase_       :							Tuple			 =		tokenizer.encode("""text sequence"""     ,    add_special_tokens=_lowercase    )
       lowerCAmelCase_       :							str			 =		[101] + text_a + [102] + text_a + [102] + text_a
       lowerCAmelCase_       :							Dict			 =		tokenizer(questions=["""question sequence"""]     ,    titles=["""title sequence"""]     ,    texts=["""text sequence"""]    )
       self.assertIn("""input_ids"""     ,    _lowercase    )
       self.assertIn("""attention_mask"""     ,    _lowercase    )
       self.assertListEqual(encoded_input["""input_ids"""][0]     ,    _lowercase    )







from __future__ import annotations

import sys





class   lowercase__     :







  def __init__(						self     ,    _lowercase     ,    _lowercase    ):
       lowerCAmelCase_       :							str			 =		letter
       lowerCAmelCase_       :							int			 =		freq
       lowerCAmelCase_       :							dict[str, str]			 =		{}







  def __repr__(						self    ):
       return F'{self.letter}:{self.freq}'





class   lowercase__     :







  def __init__(						self     ,    _lowercase     ,    _lowercase     ,    _lowercase    ):
       lowerCAmelCase_       :							int			 =		freq
       lowerCAmelCase_       :							Letter | TreeNode			 =		left
       lowerCAmelCase_       :							Letter | TreeNode			 =		right






def 				_lowerCAmelCase			(	_a :       str      )						->      list[Letter]:
     lowerCAmelCase_       :							dict[str, int]			 =		{}
     with open(_a      ) as f:
          while True:
               lowerCAmelCase_       :							Any			 =		f.read(1      )
               if not c:
                    break
               lowerCAmelCase_       :							List[str]			 =		chars[c] + 1 if c in chars else 1
     return sorted((Letter(_a       , _a      ) for c, f in chars.items())       , key=lambda _a      : x.freq      )






def 				_lowerCAmelCase			(	_a :       list[Letter]      )						->      Letter | TreeNode:
     lowerCAmelCase_       :							list[Letter | TreeNode]			 =		letters  # type: ignore
     while len(_a      ) > 1:
          lowerCAmelCase_       :							Any			 =		response.pop(0      )
          lowerCAmelCase_       :							int			 =		response.pop(0      )
          lowerCAmelCase_       :							List[Any]			 =		left.freq + right.freq
          lowerCAmelCase_       :							Union[str, Any]			 =		TreeNode(_a       , _a       , _a      )
          response.append(_a      )
          response.sort(key=lambda _a      : x.freq      )
     return response[0]






def 				_lowerCAmelCase			(	_a :       Letter | TreeNode       , _a :       str      )						->      list[Letter]:
     if isinstance(_a       , _a      ):
          lowerCAmelCase_       :							Union[str, Any]			 =		bitstring
          return [root]
     lowerCAmelCase_       :							TreeNode			 =		root  # type: ignore
     lowerCAmelCase_       :							Tuple			 =		[]
     letters += traverse_tree(treenode.left       , bitstring + """0"""      )
     letters += traverse_tree(treenode.right       , bitstring + """1"""      )
     return letters






def 				_lowerCAmelCase			(	_a :       str      )						->      None:
     lowerCAmelCase_       :							Optional[Any]			 =		parse_file(_a      )
     lowerCAmelCase_       :							Optional[int]			 =		build_tree(_a      )
     lowerCAmelCase_       :							str			 =		{
         k: v for letter in traverse_tree(_a       , """"""      ) for k, v in letter.bitstring.items()
     }
     print(F'Huffman Coding  of {file_path}: '      )
     with open(_a      ) as f:
          while True:
               lowerCAmelCase_       :							Optional[Any]			 =		f.read(1      )
               if not c:
                    break
               print(letters[c]       , end=""" """      )
     print()


if __name__ == "__main__":
      # pass the file path to the huffman function
      huffman(sys.argv[1])
