


"""simple docstring"""







import os
from shutil import copyfile
from typing import List, Optional, Tuple

from ...tokenization_utils import AddedToken
from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging


if is_sentencepiece_available():
		from .tokenization_fnet import FNetTokenizer
else:
		a__				:							Union[str, Any]						=     None

a__				:							Optional[Any]						=     logging.get_logger(__name__)
a__				:							Optional[int]						=     {'''vocab_file''': '''spiece.model''', '''tokenizer_file''': '''tokenizer.json'''}

a__				:							Optional[int]						=     {
    '''vocab_file''': {
        '''google/fnet-base''': '''https://huggingface.co/google/fnet-base/resolve/main/spiece.model''',
        '''google/fnet-large''': '''https://huggingface.co/google/fnet-large/resolve/main/spiece.model''',
    },
    '''tokenizer_file''': {
        '''google/fnet-base''': '''https://huggingface.co/google/fnet-base/resolve/main/tokenizer.json''',
        '''google/fnet-large''': '''https://huggingface.co/google/fnet-large/resolve/main/tokenizer.json''',
    },
}

a__				:							List[str]						=     {
    '''google/fnet-base''': 5_1_2,
    '''google/fnet-large''': 5_1_2,
}

a__				:							Union[str, Any]						=     '''▁'''




class  UpperCamelCase_	( UpperCamelCase):

	"""simple docstring"""





	snake_case__				:  List[Any]    					=			VOCAB_FILES_NAMES
	snake_case__				:  int    					=			PRETRAINED_VOCAB_FILES_MAP
	snake_case__				:  Dict    					=			PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
	snake_case__				:  List[str]    					=			["input_ids", "token_type_ids"]
	snake_case__				:  Tuple    					=			FNetTokenizer




	def __init__( self			:				str			,			UpperCAmelCase__			:				Optional[int]=None			,			UpperCAmelCase__			:				Optional[int]=None			,			UpperCAmelCase__			:				Optional[Any]=False			,			UpperCAmelCase__			:				Any=True			,			UpperCAmelCase__			:				int=True			,			UpperCAmelCase__			:				List[Any]="<unk>"			,			UpperCAmelCase__			:				Dict="[SEP]"			,			UpperCAmelCase__			:				Tuple="<pad>"			,			UpperCAmelCase__			:				Any="[CLS]"			,			UpperCAmelCase__			:				List[Any]="[MASK]"			,			**UpperCAmelCase__			:				Union[str, Any]			,			)       ->	str:
						# Mask token behave like a normal word, i.e. include the space before it and
						# is included in the raw text, there should be a match in a non-normalized sentence.
						__SCREAMING_SNAKE_CASE						   =				(
						    AddedToken(UpperCAmelCase__			,			lstrip=UpperCAmelCase__			,			rstrip=UpperCAmelCase__			,			normalized=UpperCAmelCase__   )
						    if isinstance(UpperCAmelCase__			,			UpperCAmelCase__   )
						    else mask_token
						)

						super().__init__(
						    UpperCAmelCase__			,			tokenizer_file=UpperCAmelCase__			,			do_lower_case=UpperCAmelCase__			,			remove_space=UpperCAmelCase__			,			keep_accents=UpperCAmelCase__			,			unk_token=UpperCAmelCase__			,			sep_token=UpperCAmelCase__			,			pad_token=UpperCAmelCase__			,			cls_token=UpperCAmelCase__			,			mask_token=UpperCAmelCase__			,			**UpperCAmelCase__			,			)

						__SCREAMING_SNAKE_CASE						   =				do_lower_case
						__SCREAMING_SNAKE_CASE						   =				remove_space
						__SCREAMING_SNAKE_CASE						   =				keep_accents
						__SCREAMING_SNAKE_CASE						   =				vocab_file
						__SCREAMING_SNAKE_CASE						   =				False if not self.vocab_file else True




	def   UpperCAmelCase_      ( self			:				List[Any]			,			UpperCAmelCase__			:				List[int]			,			UpperCAmelCase__			:				Optional[List[int]] = None   )       ->	List[int]:
						__SCREAMING_SNAKE_CASE						   =				[self.sep_token_id]
						__SCREAMING_SNAKE_CASE						   =				[self.cls_token_id]
						if token_ids_a is None:
											return cls + token_ids_a + sep
						return cls + token_ids_a + sep + token_ids_a + sep




	def   UpperCAmelCase_      ( self			:				int			,			UpperCAmelCase__			:				List[int]			,			UpperCAmelCase__			:				Optional[List[int]] = None   )       ->	List[int]:
						__SCREAMING_SNAKE_CASE						   =				[self.sep_token_id]
						__SCREAMING_SNAKE_CASE						   =				[self.cls_token_id]

						if token_ids_a is None:
											return len(cls + token_ids_a + sep   ) * [0]
						return len(cls + token_ids_a + sep   ) * [0] + len(token_ids_a + sep   ) * [1]




	def   UpperCAmelCase_      ( self			:				str			,			UpperCAmelCase__			:				str			,			UpperCAmelCase__			:				Optional[str] = None   )       ->	Tuple[str]:
						if not os.path.isdir(UpperCAmelCase__   ):
											logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""   )
											return
						__SCREAMING_SNAKE_CASE						   =				os.path.join(
						    UpperCAmelCase__			,			(filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]   )

						if os.path.abspath(self.vocab_file   ) != os.path.abspath(UpperCAmelCase__   ):
											copyfile(self.vocab_file			,			UpperCAmelCase__   )

						return (out_vocab_file,)




"""simple docstring"""







def    UpperCAmelCase__       (lowerCAmelCase_   ):




					'''simple docstring'''


					if upper_limit < 0:
										raise ValueError("Limit for the Catalan sequence must be ≥ 0"   )

					__SCREAMING_SNAKE_CASE						   =				[0] * (upper_limit + 1)

					# Base case: C(0) = C(1) = 1
					__SCREAMING_SNAKE_CASE						   =				1
					if upper_limit > 0:
										__SCREAMING_SNAKE_CASE						   =				1

					# Recurrence relation: C(i) = sum(C(j).C(i-j-1)), from j = 0 to i
					for i in range(2  ,						upper_limit + 1   ):
										for j in range(lowerCAmelCase_   ):
															catalan_list[i] += catalan_list[j] * catalan_list[i - j - 1]

					return catalan_list


if __name__ == "__main__":
		print('''\n********* Catalan Numbers Using Dynamic Programming ************\n''')
		print('''\n*** Enter -1 at any time to quit ***''')
		print('''\nEnter the upper limit (≥ 0) for the Catalan number sequence: ''', end='''''')
		try:
				while True:
						a__				:							List[str]						=     int(input().strip())
						if N < 0:
								print('''\n********* Goodbye!! ************''')
								break
						else:
								print(F"The Catalan numbers from 0 through {N} are:")
								print(catalan_numbers(N))
								print('''Try another upper limit for the sequence: ''', end='''''')
		except (NameError, ValueError):
				print('''\n********* Invalid input, goodbye! ************\n''')

		import doctest

		doctest.testmod()
