






'''simple docstring'''







from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_tokenizers_available,
    is_torch_available,
    is_vision_available,
)


UpperCamelCase     :   Dict	      =		{
    'configuration_perceiver': ['PERCEIVER_PRETRAINED_CONFIG_ARCHIVE_MAP', 'PerceiverConfig', 'PerceiverOnnxConfig'],
    'tokenization_perceiver': ['PerceiverTokenizer'],
}

try:
							if not is_vision_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase     :   Tuple	      =		['PerceiverFeatureExtractor']
							UpperCamelCase     :   Union[str, Any]	      =		['PerceiverImageProcessor']

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							UpperCamelCase     :   Optional[int]	      =		[
							    'PERCEIVER_PRETRAINED_MODEL_ARCHIVE_LIST',
							    'PerceiverForImageClassificationConvProcessing',
							    'PerceiverForImageClassificationFourier',
							    'PerceiverForImageClassificationLearned',
							    'PerceiverForMaskedLM',
							    'PerceiverForMultimodalAutoencoding',
							    'PerceiverForOpticalFlow',
							    'PerceiverForSequenceClassification',
							    'PerceiverLayer',
							    'PerceiverModel',
							    'PerceiverPreTrainedModel',
							]


if TYPE_CHECKING:
							from .configuration_perceiver import PERCEIVER_PRETRAINED_CONFIG_ARCHIVE_MAP, PerceiverConfig, PerceiverOnnxConfig
							from .tokenization_perceiver import PerceiverTokenizer

							try:
														if not is_vision_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .feature_extraction_perceiver import PerceiverFeatureExtractor
														from .image_processing_perceiver import PerceiverImageProcessor

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_perceiver import (
														    PERCEIVER_PRETRAINED_MODEL_ARCHIVE_LIST,
														    PerceiverForImageClassificationConvProcessing,
														    PerceiverForImageClassificationFourier,
														    PerceiverForImageClassificationLearned,
														    PerceiverForMaskedLM,
														    PerceiverForMultimodalAutoencoding,
														    PerceiverForOpticalFlow,
														    PerceiverForSequenceClassification,
														    PerceiverLayer,
														    PerceiverModel,
														    PerceiverPreTrainedModel,
														)

else:
							import sys

							UpperCamelCase     :   Union[str, Any]	      =		_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)






_lowerCamelCase    :		Optional[Any]		      =    256
# Modulus to hash a string
_lowerCamelCase    :		Optional[Any]		      =    1_000_003

def        __a			(   __lowerCAmelCase      ,	__lowerCAmelCase   )     ->     bool:
					SCREAMING_SNAKE_CASE							:     Tuple						=				len(__lowerCAmelCase   )
					SCREAMING_SNAKE_CASE							:     Tuple						=				len(__lowerCAmelCase   )
					if p_len > t_len:
										return False

					SCREAMING_SNAKE_CASE							:     Dict						=				0
					SCREAMING_SNAKE_CASE							:     Tuple						=				0
					SCREAMING_SNAKE_CASE							:     Optional[Any]						=				1

					# Calculating the hash of pattern and substring of text
					for i in range(__lowerCAmelCase   ):
										SCREAMING_SNAKE_CASE							:     Tuple						=				(ord(pattern[i]   ) + p_hash * alphabet_size) % modulus
										SCREAMING_SNAKE_CASE							:     Union[str, Any]						=				(ord(text[i]   ) + text_hash * alphabet_size) % modulus
										if i == p_len - 1:
															continue
										SCREAMING_SNAKE_CASE							:     Optional[Any]						=				(modulus_power * alphabet_size) % modulus

					for i in range(0      ,	t_len - p_len + 1   ):
										if text_hash == p_hash and text[i : i + p_len] == pattern:
															return True
										if i == t_len - p_len:
															continue
										# Calculate the https://en.wikipedia.org/wiki/Rolling_hash
										SCREAMING_SNAKE_CASE							:     int						=				(
										    (text_hash - ord(text[i]   ) * modulus_power) * alphabet_size
										    + ord(text[i + p_len]   )
										) % modulus
					return False

def        __a			(   )     ->     None:
					SCREAMING_SNAKE_CASE							:     Any						=				'abc1abc12'
					SCREAMING_SNAKE_CASE							:     str						=				'alskfjaldsabc1abc1abc12k23adsfabcabc'
					SCREAMING_SNAKE_CASE							:     List[str]						=				'alskfjaldsk23adsfabcabc'
					assert rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   ) and not rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   )

					# Test 2)
					SCREAMING_SNAKE_CASE							:     List[str]						=				'ABABX'
					SCREAMING_SNAKE_CASE							:     int						=				'ABABZABABYABABX'
					assert rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   )

					# Test 3)
					SCREAMING_SNAKE_CASE							:     int						=				'AAAB'
					SCREAMING_SNAKE_CASE							:     Tuple						=				'ABAAAAAB'
					assert rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   )

					# Test 4)
					SCREAMING_SNAKE_CASE							:     Tuple						=				'abcdabcy'
					SCREAMING_SNAKE_CASE							:     Optional[Any]						=				'abcxabcdabxabcdabcdabcy'
					assert rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   )

					# Test 5)
					SCREAMING_SNAKE_CASE							:     List[Any]						=				'Lü'
					SCREAMING_SNAKE_CASE							:     Optional[Any]						=				'Lüsai'
					assert rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   )
					SCREAMING_SNAKE_CASE							:     Union[str, Any]						=				'Lue'
					assert not rabin_karp(__lowerCAmelCase      ,	__lowerCAmelCase   )
					print('Success.'   )


if __name__ == "__main__":
			test_rabin_karp()