



'''simple docstring'''





class __A     :



 '''simple docstring'''







 def __init__(self			)       ->	None:


      """simple docstring"""



      _a           =    {}  # Mapping from char to TrieNode
      _a           =    False



 def    a__    (self					,  A			)       ->	None:


      """simple docstring"""



      for word in words:
           self.insert(A			)



 def    a__    (self					,  A			)       ->	None:


      """simple docstring"""



      _a           =    self
      for char in word:
           if char not in curr.nodes:
                _a           =    TrieNode()
           _a           =    curr.nodes[char]
      _a           =    True



 def    a__    (self					,  A			)       ->	bool:


      """simple docstring"""



      _a           =    self
      for char in word:
           if char not in curr.nodes:
                return False
           _a           =    curr.nodes[char]
      return curr.is_leaf



 def    a__    (self					,  A			)       ->	None:


      """simple docstring"""



      def _delete(A					,  A					,  A			) -> bool:
           if index == len(A			):
                # If word does not exist
                if not curr.is_leaf:
                     return False
                _a           =    False
                return len(curr.nodes			) == 0
           _a           =    word[index]
           _a           =    curr.nodes.get(A			)
           # If char not in current trie node
           if not char_node:
                return False
           # Flag to check if node can be deleted
           _a           =    _delete(A					,  A					,  index + 1			)
           if delete_curr:
                del curr.nodes[char]
                return len(curr.nodes			) == 0
           return delete_curr

      _delete(self					,  A					,  0			)





def lowerCAmelCase    (__A    ,      __A):



     """simple docstring"""



     if node.is_leaf:
          print(__A    ,      end=''' ''')

     for key, value in node.nodes.items():
          print_words(__A    ,      word + key)




def lowerCAmelCase    ():



     """simple docstring"""



     _a           =    '''banana bananas bandana band apple all beast'''.split()
     _a           =    TrieNode()
     root.insert_many(__A)
     # print_words(root, "")
     assert all(root.find(__A) for word in words)
     assert root.find('''banana''')
     assert not root.find('''bandanas''')
     assert not root.find('''apps''')
     assert root.find('''apple''')
     assert root.find('''all''')
     root.delete('''all''')
     assert not root.find('''all''')
     root.delete('''banana''')
     assert not root.find('''banana''')
     assert root.find('''bananas''')
     return True




def lowerCAmelCase    (__A    ,      __A):



     """simple docstring"""



     print(str(__A)    ,      '''works!''' if passes else '''doesn\'t work :(''')




def lowerCAmelCase    ():



     """simple docstring"""



     assert test_trie()




def lowerCAmelCase    ():



     """simple docstring"""



     print_results('''Testing trie functionality'''    ,      test_trie())


if __name__ == "__main__":
  main()








'''simple docstring'''





import json
import os
import unittest

from transformers.models.ctrl.tokenization_ctrl import VOCAB_FILES_NAMES, CTRLTokenizer

from ...test_tokenization_common import TokenizerTesterMixin






class __A     (    A  ,  unittest.TestCase		):



 '''simple docstring'''







 __lowerCamelCase       :			Union[str, Any]		=			CTRLTokenizer
 __lowerCamelCase       :			Union[str, Any]		=			False
 __lowerCamelCase       :			Any		=			False



 def    a__    (self			)       ->	Optional[int]:


      """simple docstring"""



      super().setUp()

      # Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
      _a           =    ['''adapt''', '''re@@''', '''a@@''', '''apt''', '''c@@''', '''t''', '''<unk>''']
      _a           =    dict(zip(A					,  range(len(A			)			)			)			)
      _a           =    ['''#version: 0.2''', '''a p''', '''ap t</w>''', '''r e''', '''a d''', '''ad apt</w>''', '''''']
      _a           =    {'''unk_token''': '''<unk>'''}

      _a           =    os.path.join(self.tmpdirname					,  VOCAB_FILES_NAMES['''vocab_file''']			)
      _a           =    os.path.join(self.tmpdirname					,  VOCAB_FILES_NAMES['''merges_file''']			)
      with open(self.vocab_file					,  '''w'''					,  encoding='''utf-8'''			) as fp:
           fp.write(json.dumps(A			) + '''\n'''			)
      with open(self.merges_file					,  '''w'''					,  encoding='''utf-8'''			) as fp:
           fp.write('''\n'''.join(A			)			)



 def    a__    (self					,  **A			)       ->	int:


      """simple docstring"""



      kwargs.update(self.special_tokens_map			)
      return CTRLTokenizer.from_pretrained(self.tmpdirname					,  **A			)



 def    a__    (self					,  A			)       ->	Tuple:


      """simple docstring"""



      _a           =    '''adapt react readapt apt'''
      _a           =    '''adapt react readapt apt'''
      return input_text, output_text



 def    a__    (self			)       ->	List[Any]:


      """simple docstring"""



      _a           =    CTRLTokenizer(self.vocab_file					,  self.merges_file					,  **self.special_tokens_map			)
      _a           =    '''adapt react readapt apt'''
      _a           =    '''adapt re@@ a@@ c@@ t re@@ adapt apt'''.split()
      _a           =    tokenizer.tokenize(A			)
      self.assertListEqual(A					,  A			)

      _a           =    tokens + [tokenizer.unk_token]

      _a           =    [0, 1, 2, 4, 5, 1, 0, 3, 6]
      self.assertListEqual(tokenizer.convert_tokens_to_ids(A			)					,  A			)



