






from __future__ import annotations

import random

# Maximum size of the population.  Bigger could be faster but is more memory expensive.
lowerCamelCase : int						   =		2_00
# Number of elements selected in every generation of evolution. The selection takes
# place from best to worst of that generation and must be smaller than N_POPULATION.
lowerCamelCase : Optional[int]						   =		50
# Probability that an element of a generation can mutate, changing one of its genes.
# This will guarantee that all genes will be used during evolution.
lowerCamelCase : int						   =		0.4
# Just a seed to improve randomness required by the algorithm.
random.seed(random.randint(0, 10_00))
def       snake_case_		(     lowerCAmelCase_       :						str       ,       lowerCAmelCase_       :						str      ):
							__lowercase      :							List[Any]				=     len([g for position, g in enumerate(lowerCAmelCase_      ) if g == main_target[position]]      )
							return (item, float(lowerCAmelCase_      ))
def       snake_case_		(     lowerCAmelCase_       :						str       ,       lowerCAmelCase_       :						str      ):
							__lowercase      :							Tuple				=     random.randint(0       ,       len(lowerCAmelCase_      ) - 1      )
							__lowercase      :							Any				=     parent_a[:random_slice] + parent_a[random_slice:]
							__lowercase      :							int				=     parent_a[:random_slice] + parent_a[random_slice:]
							return (child_a, child_a)
def       snake_case_		(     lowerCAmelCase_       :						str       ,       lowerCAmelCase_       :						list[str]      ):
							__lowercase      :							Union[str, Any]				=     list(lowerCAmelCase_      )
							if random.uniform(0       ,       1      ) < MUTATION_PROBABILITY:
														__lowercase      :							Tuple				=     random.choice(lowerCAmelCase_      )
							return "".join(lowerCAmelCase_      )
def       snake_case_		(     lowerCAmelCase_       :						tuple[str, float]       ,       lowerCAmelCase_       :						list[tuple[str, float]]       ,       lowerCAmelCase_       :						list[str]       ,       ):
							__lowercase      :							List[Any]				=     []
							# Generate more children proportionally to the fitness score.
							__lowercase      :							Optional[Any]				=     int(parent_a[1] * 100      ) + 1
							__lowercase      :							Optional[int]				=     10 if child_n >= 10 else child_n
							for _ in range(lowerCAmelCase_      ):
														__lowercase      :							Union[str, Any]				=     population_score[random.randint(0       ,       lowerCAmelCase_      )][0]

														__lowercase      :							str				=     crossover(parent_a[0]       ,       lowerCAmelCase_      )
														# Append new string to the population list.
														pop.append(mutate(lowerCAmelCase_       ,       lowerCAmelCase_      )      )
														pop.append(mutate(lowerCAmelCase_       ,       lowerCAmelCase_      )      )
							return pop
def       snake_case_		(     lowerCAmelCase_       :						str       ,       lowerCAmelCase_       :						list[str]       ,       lowerCAmelCase_       :						bool = True      ):

							# Verify if N_POPULATION is bigger than N_SELECTED
							if N_POPULATION < N_SELECTED:
														__lowercase      :							str				=     F"{N_POPULATION} must be bigger than {N_SELECTED}"
														raise ValueError(lowerCAmelCase_      )
							# Verify that the target contains no genes besides the ones inside genes variable.
							__lowercase      :							Union[str, Any]				=     sorted({c for c in target if c not in genes}      )
							if not_in_genes_list:
														__lowercase      :							List[Any]				=     F"{not_in_genes_list} is not in genes list, evolution cannot converge"
														raise ValueError(lowerCAmelCase_      )

							# Generate random starting population.
							__lowercase      :							Optional[int]				=     []
							for _ in range(lowerCAmelCase_      ):
														population.append("""""".join([random.choice(lowerCAmelCase_      ) for i in range(len(lowerCAmelCase_      )      )]      )      )

							# Just some logs to know what the algorithms is doing.
							__lowercase      :							List[Any]				=     0, 0

							# This loop will end when we find a perfect match for our target.
							while True:
														generation += 1
														total_population += len(lowerCAmelCase_      )

														# Random population created. Now it's time to evaluate.

														# Adding a bit of concurrency can make everything faster,
														#
														# import concurrent.futures
														# population_score: list[tuple[str, float]] = []
														# with concurrent.futures.ThreadPoolExecutor(
														#                                   max_workers=NUM_WORKERS) as executor:
														#     futures = {executor.submit(evaluate, item) for item in population}
														#     concurrent.futures.wait(futures)
														#     population_score = [item.result() for item in futures]
														#
														# but with a simple algorithm like this, it will probably be slower.
														# We just need to call evaluate for every item inside the population.
														__lowercase      :							Union[str, Any]				=     [evaluate(lowerCAmelCase_       ,       lowerCAmelCase_      ) for item in population]

														# Check if there is a matching evolution.
														__lowercase      :							Optional[Any]				=     sorted(lowerCAmelCase_       ,       key=lambda lowerCAmelCase_      : x[1]       ,       reverse=lowerCAmelCase_      )
														if population_score[0][0] == target:
																					return (generation, total_population, population_score[0][0])

														# Print the best result every 10 generation.
														# Just to know that the algorithm is working.
														if debug and generation % 10 == 0:
																					print(
																					    F"\nGeneration: {generation}"
																					    F"\nTotal Population:{total_population}"
																					    F"\nBest score: {population_score[0][1]}"
																					    F"\nBest string: {population_score[0][0]}"      )

														# Flush the old population, keeping some of the best evolutions.
														# Keeping this avoid regression of evolution.
														__lowercase      :							List[str]				=     population[: int(N_POPULATION / 3      )]
														population.clear()
														population.extend(lowerCAmelCase_      )
														# Normalize population score to be between 0 and 1.
														__lowercase      :							Any				=     [
														    (item, score / len(lowerCAmelCase_      )) for item, score in population_score
														]

														# This is selection
														for i in range(lowerCAmelCase_      ):
																					population.extend(select(population_score[int(lowerCAmelCase_      )]       ,       lowerCAmelCase_       ,       lowerCAmelCase_      )      )
																					# Check if the population has already reached the maximum value and if so,
																					# break the cycle.  If this check is disabled, the algorithm will take
																					# forever to compute large strings, but will also calculate small strings in
																					# a far fewer generations.
																					if len(lowerCAmelCase_      ) > N_POPULATION:
																												break


if __name__ == "__main__":
	lowerCamelCase : Any						   =		(
	    '''This is a genetic algorithm to evaluate, combine, evolve, and mutate a string!'''
	)
	lowerCamelCase : Union[str, Any]						   =		list(
	    ''' ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklm'''
	    '''nopqrstuvwxyz.,;!?+-*#@^\'èéòà€ù=)(&%$£/\\'''
	)
	lowerCamelCase : List[str]						   =		basic(target_str, genes_list)
	print(
	    f'''\nGeneration: {generation}\nTotal Population: {population}\nTarget: {target}'''
	)







import itertools
import json
import os
import unittest

from transformers import AddedToken, LongformerTokenizer, LongformerTokenizerFast
from transformers.models.longformer.tokenization_longformer import VOCAB_FILES_NAMES
from transformers.testing_utils import require_tokenizers, slow

from ...test_tokenization_common import TokenizerTesterMixin

@require_tokenizers
class 		lowerCAmelCase     ( __a      ,       unittest.TestCase			):

					'''simple docstring'''

					_A						:			str									=      LongformerTokenizer
					_A						:			int									=      True
					_A						:			Optional[int]									=      LongformerTokenizerFast
					_A						:			int									=      True



					def       lowerCAmelCase				(  self				:	Any							)			->  List[str]:


												"""simple docstring"""

												super().setUp()

												# Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
												__lowercase      :							Union[str, Any]				=     [
												    """l""",
												    """o""",
												    """w""",
												    """e""",
												    """r""",
												    """s""",
												    """t""",
												    """i""",
												    """d""",
												    """n""",
												    """\u0120""",
												    """\u0120l""",
												    """\u0120n""",
												    """\u0120lo""",
												    """\u0120low""",
												    """er""",
												    """\u0120lowest""",
												    """\u0120newer""",
												    """\u0120wider""",
												    """<unk>""",
												]
												__lowercase      :							Union[str, Any]				=     dict(zip(__a		,     range(len(__a							)							)							)							)
												__lowercase      :							Any				=     ["""#version: 0.2""", """\u0120 l""", """\u0120l o""", """\u0120lo w""", """e r""", """"""]
												__lowercase      :							Optional[int]				=     {"""unk_token""": """<unk>"""}

												__lowercase      :							Dict				=     os.path.join(self.tmpdirname		,     VOCAB_FILES_NAMES["""vocab_file"""]							)
												__lowercase      :							str				=     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       lowerCAmelCase				(  self				:	Optional[int]		,     **__a				:	Optional[Any]							)			->  str:


												"""simple docstring"""

												kwargs.update(self.special_tokens_map							)
												return self.tokenizer_class.from_pretrained(self.tmpdirname		,     **__a							)



					def       lowerCAmelCase				(  self				:	Tuple		,     **__a				:	Tuple							)			->  str:


												"""simple docstring"""

												kwargs.update(self.special_tokens_map							)
												return self.rust_tokenizer_class.from_pretrained(self.tmpdirname		,     **__a							)



					def       lowerCAmelCase				(  self				:	str		,     __a				:	Optional[int]							)			->  Union[str, Any]:


												"""simple docstring"""

												__lowercase      :							Union[str, Any]				=     """lower newer"""
												__lowercase      :							int				=     """lower newer"""
												return input_text, output_text



					def       lowerCAmelCase				(  self				:	List[Any]							)			->  Optional[int]:


												"""simple docstring"""

												__lowercase      :							Union[str, Any]				=     self.tokenizer_class(self.vocab_file		,     self.merges_file		,     **self.special_tokens_map							)
												__lowercase      :							Dict				=     """lower newer"""
												__lowercase      :							Optional[Any]				=     ["""l""", """o""", """w""", """er""", """\u0120""", """n""", """e""", """w""", """er"""]
												__lowercase      :							str				=     tokenizer.tokenize(__a							)  # , add_prefix_space=True)
												self.assertListEqual(__a		,     __a							)

												__lowercase      :							int				=     tokens + [tokenizer.unk_token]
												__lowercase      :							str				=     [0, 1, 2, 15, 10, 9, 3, 2, 15, 19]
												self.assertListEqual(tokenizer.convert_tokens_to_ids(__a							)		,     __a							)



					def       lowerCAmelCase				(  self				:	Optional[Any]							)			->  List[Any]:


												"""simple docstring"""

												__lowercase      :							Optional[Any]				=     self.get_tokenizer()

												self.assertListEqual(tokenizer.encode("""Hello world!"""		,     add_special_tokens=__a							)		,     [0, 31414, 232, 328, 2]							)
												self.assertListEqual(
												    tokenizer.encode("""Hello world! cécé herlolip 418"""		,     add_special_tokens=__a							)		,     [0, 31414, 232, 328, 740, 1140, 12695, 69, 46078, 1588, 2]		,     )



					@slow
					def       lowerCAmelCase				(  self				:	Tuple							)			->  str:


												"""simple docstring"""

												__lowercase      :							Any				=     self.tokenizer_class.from_pretrained("""allenai/longformer-base-4096"""							)

												__lowercase      :							Optional[Any]				=     tokenizer.encode("""sequence builders"""		,     add_special_tokens=__a							)
												__lowercase      :							List[str]				=     tokenizer.encode("""multi-sequence build"""		,     add_special_tokens=__a							)

												__lowercase      :							Optional[Any]				=     tokenizer.encode(
												    """sequence builders"""		,     add_special_tokens=__a		,     add_prefix_space=__a							)
												__lowercase      :							Union[str, Any]				=     tokenizer.encode(
												    """sequence builders"""		,     """multi-sequence build"""		,     add_special_tokens=__a		,     add_prefix_space=__a							)

												__lowercase      :							List[Any]				=     tokenizer.build_inputs_with_special_tokens(__a							)
												__lowercase      :							Any				=     tokenizer.build_inputs_with_special_tokens(__a		,     __a							)

												assert encoded_sentence == encoded_text_from_decode
												assert encoded_pair == encoded_pair_from_decode



					def       lowerCAmelCase				(  self				:	Dict							)			->  Tuple:


												"""simple docstring"""

												__lowercase      :							Optional[Any]				=     self.get_tokenizer()

												__lowercase      :							Tuple				=     """Encode this sequence."""
												__lowercase      :							Optional[Any]				=     tokenizer.byte_encoder[""" """.encode("""utf-8"""							)[0]]

												# Testing encoder arguments
												__lowercase      :							Dict				=     tokenizer.encode(__a		,     add_special_tokens=__a		,     add_prefix_space=__a							)
												__lowercase      :							Tuple				=     tokenizer.convert_ids_to_tokens(encoded[0]							)[0]
												self.assertNotEqual(__a		,     __a							)

												__lowercase      :							List[str]				=     tokenizer.encode(__a		,     add_special_tokens=__a		,     add_prefix_space=__a							)
												__lowercase      :							Any				=     tokenizer.convert_ids_to_tokens(encoded[0]							)[0]
												self.assertEqual(__a		,     __a							)

												tokenizer.add_special_tokens({"""bos_token""": """<s>"""}							)
												__lowercase      :							str				=     tokenizer.encode(__a		,     add_special_tokens=__a							)
												__lowercase      :							Dict				=     tokenizer.convert_ids_to_tokens(encoded[1]							)[0]
												self.assertNotEqual(__a		,     __a							)

												# Testing spaces after special tokens
												__lowercase      :							List[Any]				=     """<mask>"""
												tokenizer.add_special_tokens(
												    {"""mask_token""": AddedToken(__a		,     lstrip=__a		,     rstrip=__a							)}							)  # mask token has a left space
												__lowercase      :							Dict				=     tokenizer.convert_tokens_to_ids(__a							)

												__lowercase      :							List[str]				=     """Encode <mask> sequence"""
												__lowercase      :							List[str]				=     """Encode <mask>sequence"""

												__lowercase      :							Union[str, Any]				=     tokenizer.encode(__a							)
												__lowercase      :							Dict				=     encoded.index(__a							)
												__lowercase      :							List[Any]				=     tokenizer.convert_ids_to_tokens(encoded[mask_loc + 1]							)[0]
												self.assertEqual(__a		,     __a							)

												__lowercase      :							int				=     tokenizer.encode(__a							)
												__lowercase      :							Union[str, Any]				=     encoded.index(__a							)
												__lowercase      :							List[Any]				=     tokenizer.convert_ids_to_tokens(encoded[mask_loc + 1]							)[0]
												self.assertNotEqual(__a		,     __a							)



					def       lowerCAmelCase				(  self				:	int							)			->  str:


												"""simple docstring"""

												pass



					def       lowerCAmelCase				(  self				:	int							)			->  Dict:


												"""simple docstring"""

												for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
																			with self.subTest(F"{tokenizer.__class__.__name__} ({pretrained_name})"							):
																										__lowercase      :							List[str]				=     self.rust_tokenizer_class.from_pretrained(__a		,     **__a							)
																										__lowercase      :							List[Any]				=     self.tokenizer_class.from_pretrained(__a		,     **__a							)
																										__lowercase      :							Optional[Any]				=     """A, <mask> AllenNLP sentence."""
																										__lowercase      :							Union[str, Any]				=     tokenizer_r.encode_plus(__a		,     add_special_tokens=__a		,     return_token_type_ids=__a							)
																										__lowercase      :							Optional[Any]				=     tokenizer_p.encode_plus(__a		,     add_special_tokens=__a		,     return_token_type_ids=__a							)

																										# token_type_ids should put 0 everywhere
																										self.assertEqual(sum(tokens_r["""token_type_ids"""]							)		,     sum(tokens_p["""token_type_ids"""]							)							)

																										# attention_mask should put 1 everywhere, so sum over length should be 1
																										self.assertEqual(
																										    sum(tokens_r["""attention_mask"""]							) / len(tokens_r["""attention_mask"""]							)		,     sum(tokens_p["""attention_mask"""]							) / len(tokens_p["""attention_mask"""]							)		,     )

																										__lowercase      :							Dict				=     tokenizer_r.convert_ids_to_tokens(tokens_r["""input_ids"""]							)
																										__lowercase      :							str				=     tokenizer_p.convert_ids_to_tokens(tokens_p["""input_ids"""]							)

																										# Rust correctly handles the space before the mask while python doesnt
																										self.assertSequenceEqual(tokens_p["""input_ids"""]		,     [0, 250, 6, 50264, 3823, 487, 21992, 3645, 4, 2]							)
																										self.assertSequenceEqual(tokens_r["""input_ids"""]		,     [0, 250, 6, 50264, 3823, 487, 21992, 3645, 4, 2]							)

																										self.assertSequenceEqual(
																										    __a		,     ["""<s>""", """A""", """,""", """<mask>""", """ĠAllen""", """N""", """LP""", """Ġsentence""", """.""", """</s>"""]							)
																										self.assertSequenceEqual(
																										    __a		,     ["""<s>""", """A""", """,""", """<mask>""", """ĠAllen""", """N""", """LP""", """Ġsentence""", """.""", """</s>"""]							)



					def       lowerCAmelCase				(  self				:	List[Any]							)			->  Dict:


												"""simple docstring"""

												for trim_offsets, add_prefix_space in itertools.product([True, False]		,     repeat=2							):
																			__lowercase      :							Dict				=     self.rust_tokenizer_class.from_pretrained(
																			    self.tmpdirname		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)

																			__lowercase      :							Optional[int]				=     json.loads(tokenizer_r.backend_tokenizer.pre_tokenizer.__getstate__()							)
																			__lowercase      :							Any				=     json.loads(tokenizer_r.backend_tokenizer.post_processor.__getstate__()							)

																			self.assertEqual(pre_tokenizer_state["""add_prefix_space"""]		,     __a							)

																			self.assertEqual(post_processor_state["""add_prefix_space"""]		,     __a							)
																			self.assertEqual(post_processor_state["""trim_offsets"""]		,     __a							)



					def       lowerCAmelCase				(  self				:	int							)			->  Tuple:


												"""simple docstring"""

												for tokenizer, pretrained_name, kwargs in self.tokenizers_list:
																			with self.subTest(F"{tokenizer.__class__.__name__} ({pretrained_name})"							):
																										__lowercase      :							List[str]				=     """hello"""  # `hello` is a token in the vocabulary of `pretrained_name`
																										__lowercase      :							int				=     F"{text_of_1_token} {text_of_1_token}"

																										__lowercase      :							List[str]				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							Any				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (0, len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (len(__a							) + 1, len(__a							) + 1 + len(__a							))		,     )

																										__lowercase      :							str				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							Tuple				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (0, len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (len(__a							) + 1, len(__a							) + 1 + len(__a							))		,     )

																										__lowercase      :							Optional[int]				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							str				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (0, len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (len(__a							), len(__a							) + 1 + len(__a							))		,     )

																										__lowercase      :							str				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							int				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (0, len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (len(__a							), len(__a							) + 1 + len(__a							))		,     )

																										__lowercase      :							Any				=     F" {text}"

																										# tokenizer_r = self.rust_tokenizer_class.from_pretrained(
																										#     pretrained_name, use_fast=True, add_prefix_space=True, trim_offsets=True
																										# )
																										# encoding = tokenizer_r(text, return_offsets_mapping=True, add_special_tokens=False)
																										# self.assertEqual(encoding.offset_mapping[0], (1, 1 + len(text_of_1_token)))
																										# self.assertEqual(
																										#     encoding.offset_mapping[1],
																										#     (1 + len(text_of_1_token) + 1, 1 + len(text_of_1_token) + 1 + len(text_of_1_token)),
																										# )

																										__lowercase      :							Optional[Any]				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							str				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (1, 1 + len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (1 + len(__a							) + 1, 1 + len(__a							) + 1 + len(__a							))		,     )

																										__lowercase      :							int				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							Dict				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (0, 1 + len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (1 + len(__a							), 1 + len(__a							) + 1 + len(__a							))		,     )

																										__lowercase      :							int				=     self.rust_tokenizer_class.from_pretrained(
																										    __a		,     use_fast=__a		,     add_prefix_space=__a		,     trim_offsets=__a							)
																										__lowercase      :							Tuple				=     tokenizer_r(__a		,     return_offsets_mapping=__a		,     add_special_tokens=__a							)
																										self.assertEqual(encoding.offset_mapping[0]		,     (0, 1 + len(__a							))							)
																										self.assertEqual(
																										    encoding.offset_mapping[1]		,     (1 + len(__a							), 1 + len(__a							) + 1 + len(__a							))		,     )