



'''simple docstring'''

import json
import os
import unittest

from transformers import MgpstrTokenizer
from transformers.models.mgp_str.tokenization_mgp_str import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers

from ...test_tokenization_common import TokenizerTesterMixin

@require_tokenizers
class __snake_case(				_lowerCAmelCase		,							unittest.TestCase ):


						'''simple docstring'''



						UpperCAmelCase							:   List[str]									=		MgpstrTokenizer
						UpperCAmelCase							:   List[str]									=		False
						UpperCAmelCase							:   Optional[int]									=		{}
						UpperCAmelCase							:   List[str]									=		False


						def     __snake_case   ( self				)     ->     int:
							super().setUp()

							# fmt: off
							lowerCAmelCase   =     ["""[GO]""", """[s]""", """0""", """1""", """2""", """3""", """4""", """5""", """6""", """7""", """8""", """9""", """a""", """b""", """c""", """d""", """e""", """f""", """g""", """h""", """i""", """j""", """k""", """l""", """m""", """n""", """o""", """p""", """q""", """r""", """s""", """t""", """u""", """v""", """w""", """x""", """y""", """z"""]
							# fmt: on
							lowerCAmelCase   =     dict(zip(A_     ,	range(len(A_				)				)				)				)

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


						def     __snake_case   ( self     ,	**A_				)     ->     Optional[int]:
							return MgpstrTokenizer.from_pretrained(self.tmpdirname     ,	**A_				)


						def     __snake_case   ( self     ,	A_				)     ->     Dict:
							lowerCAmelCase   =     """tester"""
							lowerCAmelCase   =     """tester"""
							return input_text, output_text


						@unittest.skip("""MGP-STR always lower cases letters."""				)
						def     __snake_case   ( self				)     ->     Optional[int]:
							pass


						def     __snake_case   ( self				)     ->     Optional[int]:
							lowerCAmelCase   =     self.get_tokenizers(do_lower_case=A_				)
							for tokenizer in tokenizers:
								with self.subTest(f'{tokenizer.__class__.__name__}'				):
									lowerCAmelCase   =     """[SPECIAL_TOKEN]"""

									tokenizer.add_special_tokens({"""cls_token""": special_token}				)
									lowerCAmelCase   =     tokenizer.encode([special_token]     ,	add_special_tokens=A_				)
									self.assertEqual(len(A_				)     ,	1				)

									lowerCAmelCase   =     tokenizer.decode(A_     ,	skip_special_tokens=A_				)
									self.assertTrue(special_token not in decoded				)


						def     __snake_case   ( self				)     ->     Tuple:
							lowerCAmelCase   =     self.get_tokenizers()
							for tokenizer in tokenizers:
								with self.subTest(f'{tokenizer.__class__.__name__}'				):
									lowerCAmelCase,       lowerCAmelCase   =     self.get_input_output_texts(A_				)

									lowerCAmelCase   =     tokenizer.tokenize(A_				)
									lowerCAmelCase   =     tokenizer.convert_tokens_to_ids(A_				)
									lowerCAmelCase   =     tokenizer.encode(A_     ,	add_special_tokens=A_				)
									self.assertListEqual(A_     ,	A_				)

									lowerCAmelCase   =     tokenizer.convert_ids_to_tokens(A_				)
									self.assertNotEqual(len(A_				)     ,	0				)
									lowerCAmelCase   =     tokenizer.decode(A_				)
									self.assertIsInstance(A_     ,	A_				)

									self.assertEqual(text_a.replace(""" """     ,	""""""				)     ,	A_				)


						@unittest.skip("""MGP-STR tokenizer only handles one sequence."""				)
						def     __snake_case   ( self				)     ->     Tuple:
							pass




						@unittest.skip("""inputs cannot be pretokenized in MgpstrTokenizer"""				)
						def     __snake_case   ( self				)     ->     Tuple:
							pass




'''simple docstring'''

class __snake_case:


						'''simple docstring'''



						def __init__( self				)     ->     None:
							lowerCAmelCase   =     {}  # Mapping from char to TrieNode
							lowerCAmelCase   =     False


						def     __snake_case   ( self     ,	A_				)     ->     None:
							for word in words:
								self.insert(A_				)


						def     __snake_case   ( self     ,	A_				)     ->     None:
							lowerCAmelCase   =     self
							for char in word:
								if char not in curr.nodes:
									lowerCAmelCase   =     TrieNode()
								lowerCAmelCase   =     curr.nodes[char]
							lowerCAmelCase   =     True


						def     __snake_case   ( self     ,	A_				)     ->     bool:
							lowerCAmelCase   =     self
							for char in word:
								if char not in curr.nodes:
									return False
								lowerCAmelCase   =     curr.nodes[char]
							return curr.is_leaf




						def     __snake_case   ( self     ,	A_				)     ->     None:

							def _delete(A_     ,	A_     ,	A_				) -> bool:
								if index == len(A_				):
									# If word does not exist
									if not curr.is_leaf:
										return False
									lowerCAmelCase   =     False
									return len(curr.nodes				) == 0
								lowerCAmelCase   =     word[index]
								lowerCAmelCase   =     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
								lowerCAmelCase   =     _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 		_snake_case		( _SCREAMING_SNAKE_CASE					:						TrieNode							,		_SCREAMING_SNAKE_CASE					:						str							)      ->						None:







	"""simple docstring"""
	if node.is_leaf:
		print(_SCREAMING_SNAKE_CASE							,		end=""" """							)

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






def 		_snake_case		( )      ->						bool:







	"""simple docstring"""
	lowerCAmelCase   =     """banana bananas bandana band apple all beast""".split()
	lowerCAmelCase   =     TrieNode()
	root.insert_many(_SCREAMING_SNAKE_CASE							)
	# print_words(root, "")
	assert all(root.find(_SCREAMING_SNAKE_CASE							) 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 		_snake_case		( _SCREAMING_SNAKE_CASE					:						str							,		_SCREAMING_SNAKE_CASE					:						bool							)      ->						None:







	"""simple docstring"""
	print(str(_SCREAMING_SNAKE_CASE							)							,		"""works!""" if passes else """doesn't work :("""							)






def 		_snake_case		( )      ->						None:







	"""simple docstring"""
	assert test_trie()






def 		_snake_case		( )      ->						None:







	"""simple docstring"""
	print_results("""Testing trie functionality"""							,		test_trie()							)


if __name__ == "__main__":
				main()