






from __future__ import annotations

import random
from collections.abc import Iterable



class 						lowerCamelCase   :







		'''simple docstring'''



		def __init__(							self       ,	_UpperCamelCase     )			->							None:
							UpperCAmelCase_					:   List[str]   =		{literal: None for literal in literals}



		def __str__(							self     )			->							str:
							return "{" + " , ".join(self.literals     ) + "}"



		def __len__(							self     )			->							int:
							return len(self.literals     )



		def       __UpperCAmelCase    (							self       ,	_UpperCamelCase     )			->							None:






							for literal in self.literals:
												UpperCAmelCase_					:   int   =		literal[:2]
												if symbol in model:
																	UpperCAmelCase_					:   Any   =		model[symbol]
												else:
																	continue
												if value is not None:
																	# Complement assignment if literal is in complemented form
																	if literal.endswith('\''     ):
																						UpperCAmelCase_					:   List[Any]   =		not value
												UpperCAmelCase_					:   int   =		value



		def       __UpperCAmelCase    (							self       ,	_UpperCamelCase     )			->							bool | None:






							for literal in self.literals:
												UpperCAmelCase_					:   Tuple   =		literal.rstrip('\''     ) if literal.endswith('\''     ) else literal + '\''
												if symbol in self.literals:
																	return True

							self.assign(lowerCAmelCase_     )
							for value in self.literals.values():
												if value in (True, None):
																	return value
							return any(self.literals.values()     )





class 						lowerCamelCase   :







		'''simple docstring'''



		def __init__(							self       ,	_UpperCamelCase     )			->							None:
							UpperCAmelCase_					:   str   =		list(lowerCAmelCase_     )



		def __str__(							self     )			->							str:
							return "{" + " , ".join(str(lowerCAmelCase_     ) for clause in self.clauses     ) + "}"





def   lowercase__   (  ):


					'''simple docstring'''


					UpperCAmelCase_					:   Tuple   =		[]
					UpperCAmelCase_					:   Optional[Any]   =		random.randint(1  , 5						)
					UpperCAmelCase_					:   Optional[int]   =		'A'
					UpperCAmelCase_					:   List[Any]   =		0
					while i < no_of_literals:
										UpperCAmelCase_					:   int   =		random.randint(1  , 5						)
										UpperCAmelCase_					:   Dict   =		base_var + str(__snake_case						)
										UpperCAmelCase_					:   Dict   =		random.randint(0  , 1						)
										if var_complement == 1:
															var_name += "'"
										if var_name in literals:
															i -= 1
										else:
															literals.append(__snake_case						)
										i += 1
					return Clause(__snake_case						)




def   lowercase__   (  ):


					'''simple docstring'''


					UpperCAmelCase_					:   Union[str, Any]   =		set()
					UpperCAmelCase_					:   List[str]   =		random.randint(1  , 10						)
					while len(__snake_case						) < no_of_clauses:
										clauses.add(generate_clause()						)
					return Formula(__snake_case						)




def   lowercase__   (  __snake_case					:							Optional[Any]						):


					'''simple docstring'''


					UpperCAmelCase_					:   Optional[Any]   =		formula.clauses
					UpperCAmelCase_					:   List[str]   =		[]
					for clause in formula.clauses:
										for literal in clause.literals:
															UpperCAmelCase_					:   Optional[Any]   =		literal[:2]
															if symbol not in symbols_set:
																				symbols_set.append(__snake_case						)
					return clauses, symbols_set




def   lowercase__   (  __snake_case					:							Tuple  , __snake_case					:							Dict  , __snake_case					:							int						):


					'''simple docstring'''


					UpperCAmelCase_					:   Optional[int]   =		[]
					UpperCAmelCase_					:   str   =		{}
					UpperCAmelCase_					:   Union[str, Any]   =		[]

					for clause in clauses:
										if clause.evaluate(__snake_case						):
															continue
										for literal in clause.literals:
															literals.append(__snake_case						)

					for s in symbols:
										UpperCAmelCase_					:   Any   =		s + '\''
										if (s in literals and sym not in literals) or (
										    s not in literals and sym in literals
										):
															pure_symbols.append(__snake_case						)
					for p in pure_symbols:
										UpperCAmelCase_					:   Optional[Any]   =		None
					for s in pure_symbols:
										UpperCAmelCase_					:   List[str]   =		s + '\''
										if s in literals:
															UpperCAmelCase_					:   str   =		True
										elif sym in literals:
															UpperCAmelCase_					:   Dict   =		False
					return pure_symbols, assignment




def   lowercase__   (  __snake_case					:							Dict  , __snake_case					:							str						):


					'''simple docstring'''


					UpperCAmelCase_					:   str   =		[]
					for clause in clauses:
										if len(__snake_case						) == 1:
															unit_symbols.append(list(clause.literals.keys()						)[0]						)
										else:
															UpperCAmelCase_ ,						UpperCAmelCase_					:   int   =		0, 0
															for literal, value in clause.literals.items():
																				if value is False:
																									f_count += 1
																				elif value is None:
																									UpperCAmelCase_					:   Tuple   =		literal
																									n_count += 1
															if f_count == len(__snake_case						) - 1 and n_count == 1:
																				unit_symbols.append(__snake_case						)
					UpperCAmelCase_					:   Union[str, Any]   =		{}
					for i in unit_symbols:
										UpperCAmelCase_					:   Dict   =		i[:2]
										UpperCAmelCase_					:   Optional[int]   =		len(__snake_case						) == 2
					UpperCAmelCase_					:   Union[str, Any]   =		[i[:2] for i in unit_symbols]

					return unit_symbols, assignment




def   lowercase__   (  __snake_case					:							Optional[int]  , __snake_case					:							List[str]  , __snake_case					:							List[Any]						):


					'''simple docstring'''


					UpperCAmelCase_					:   Optional[int]   =		True
					for clause in clauses:
										UpperCAmelCase_					:   Tuple   =		clause.evaluate(__snake_case						)
										if clause_check is False:
															return False, None
										elif clause_check is None:
															UpperCAmelCase_					:   Union[str, Any]   =		False
															continue

					if check_clause_all_true:
										return True, model

					try:
										UpperCAmelCase_ ,						UpperCAmelCase_					:   List[Any]   =		find_pure_symbols(__snake_case  , __snake_case  , __snake_case						)
					except RecursionError:
										print('raises a RecursionError and is'						)
										return None, {}
					UpperCAmelCase_					:   Any   =		None
					if len(__snake_case						) > 0:
										UpperCAmelCase_ ,						UpperCAmelCase_					:   List[Any]   =		pure_symbols[0], assignment[pure_symbols[0]]

					if p:
										UpperCAmelCase_					:   Tuple   =		model
										UpperCAmelCase_					:   Union[str, Any]   =		value
										UpperCAmelCase_					:   List[str]   =		list(__snake_case						)
										if p in tmp_symbols:
															tmp_symbols.remove(__snake_case						)
										return dpll_algorithm(__snake_case  , __snake_case  , __snake_case						)

					UpperCAmelCase_ ,						UpperCAmelCase_					:   List[Any]   =		find_unit_clauses(__snake_case  , __snake_case						)
					UpperCAmelCase_					:   Dict   =		None
					if len(__snake_case						) > 0:
										UpperCAmelCase_ ,						UpperCAmelCase_					:   str   =		unit_symbols[0], assignment[unit_symbols[0]]
					if p:
										UpperCAmelCase_					:   Dict   =		model
										UpperCAmelCase_					:   Optional[Any]   =		value
										UpperCAmelCase_					:   Union[str, Any]   =		list(__snake_case						)
										if p in tmp_symbols:
															tmp_symbols.remove(__snake_case						)
										return dpll_algorithm(__snake_case  , __snake_case  , __snake_case						)
					UpperCAmelCase_					:   Any   =		symbols[0]
					UpperCAmelCase_					:   List[Any]   =		symbols[1:]
					UpperCAmelCase_ ,						UpperCAmelCase_					:   Optional[int]   =		model, model
					UpperCAmelCase_ ,						UpperCAmelCase_					:   List[str]   =		True, False

					return dpll_algorithm(__snake_case  , __snake_case  , __snake_case						) or dpll_algorithm(__snake_case  , __snake_case  , __snake_case						)


if __name__ == "__main__":
		import doctest

		doctest.testmod()

		__UpperCAmelCase										=		generate_formula()
		print(F'The formula {formula} is', end=' ')

		__UpperCAmelCase							,     __UpperCAmelCase										=		generate_parameters(formula)
		__UpperCAmelCase							,     __UpperCAmelCase										=		dpll_algorithm(clauses, symbols, {})

		if solution:
				print(F'satisfiable with the assignment {model}.')
		else:
				print('not satisfiable.')














import os
import unittest

from transformers.models.bertweet.tokenization_bertweet import VOCAB_FILES_NAMES, BertweetTokenizer

from ...test_tokenization_common import TokenizerTesterMixin



class 						lowerCamelCase   (_snake_case				,						unittest.TestCase    ):







		'''simple docstring'''



		_snake_case					:					Tuple 		=						BertweetTokenizer
		_snake_case					:					List[str] 		=						False



		def       __UpperCAmelCase    (							self     )			->							Optional[int]:
							super().setUp()

							# Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
							UpperCAmelCase_					:   Optional[int]   =		['I', 'm', 'V@@', 'R@@', 'r', 'e@@']
							UpperCAmelCase_					:   Dict   =		dict(zip(_UpperCamelCase       ,	range(len(_UpperCamelCase     )     )     )     )
							UpperCAmelCase_					:   List[Any]   =		['#version: 0.2', 'a m</w>']
							UpperCAmelCase_					:   Union[str, Any]   =		{'unk_token': '<unk>'}

							UpperCAmelCase_					:   Optional[Any]   =		os.path.join(self.tmpdirname       ,	VOCAB_FILES_NAMES['vocab_file']     )
							UpperCAmelCase_					:   List[str]   =		os.path.join(self.tmpdirname       ,	VOCAB_FILES_NAMES['merges_file']     )
							with open(self.vocab_file       ,	'w'       ,	encoding='utf-8'     ) as fp:
												for token in vocab_tokens:
																	fp.write(f"{token} {vocab_tokens[token]}\n"     )
							with open(self.merges_file       ,	'w'       ,	encoding='utf-8'     ) as fp:
												fp.write('\n'.join(_UpperCamelCase     )     )



		def       __UpperCAmelCase    (							self       ,	**_UpperCamelCase     )			->							List[Any]:
							kwargs.update(self.special_tokens_map     )
							return BertweetTokenizer.from_pretrained(self.tmpdirname       ,	**_UpperCamelCase     )



		def       __UpperCAmelCase    (							self       ,	_UpperCamelCase     )			->							List[Any]:
							UpperCAmelCase_					:   Any   =		'I am VinAI Research'
							UpperCAmelCase_					:   Any   =		'I <unk> m V<unk> <unk> <unk> I Re<unk> e<unk> <unk> <unk> <unk>'
							return input_text, output_text



		def       __UpperCAmelCase    (							self     )			->							Tuple:
							UpperCAmelCase_					:   Union[str, Any]   =		BertweetTokenizer(self.vocab_file       ,	self.merges_file       ,	**self.special_tokens_map     )
							UpperCAmelCase_					:   Optional[Any]   =		'I am VinAI Research'
							UpperCAmelCase_					:   str   =		'I a@@ m V@@ i@@ n@@ A@@ I R@@ e@@ s@@ e@@ a@@ r@@ c@@ h'.split()
							UpperCAmelCase_					:   Any   =		tokenizer.tokenize(_UpperCamelCase     )
							self.assertListEqual(_UpperCamelCase       ,	_UpperCamelCase     )

							UpperCAmelCase_					:   Optional[int]   =		tokens + [tokenizer.unk_token]

							UpperCAmelCase_					:   List[str]   =		[4, 3, 5, 6, 3, 3, 3, 4, 7, 9, 3, 9, 3, 3, 3, 3, 3]
							self.assertListEqual(tokenizer.convert_tokens_to_ids(_UpperCamelCase     )       ,	_UpperCamelCase     )






