



import enum
import os
from hashlib import shaaaa
from typing import Optional

from .. import config
from .logging import get_logger


lowercase_													=      get_logger(__name__)






class     __a			(  enum.Enum					):
	SCREAMING_SNAKE_CASE  	=							"all_checks"
	SCREAMING_SNAKE_CASE  	=							"basic_checks"
	SCREAMING_SNAKE_CASE  	=							"no_checks"






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






def        __lowerCAmelCase		(	__lowerCamelCase						:     Optional[dict]					, __lowerCamelCase						:     dict					, __lowerCamelCase						:     Dict=None						)	->    Optional[Any]:
					if expected_checksums is None:
										logger.info("""Unable to verify checksums."""						)
										return
					if len(set(__lowerCamelCase						) - set(__lowerCamelCase						)						) > 0:
										raise ExpectedMoreDownloadedFiles(str(set(__lowerCamelCase						) - set(__lowerCamelCase						)						)						)
					if len(set(__lowerCamelCase						) - set(__lowerCamelCase						)						) > 0:
										raise UnexpectedDownloadedFile(str(set(__lowerCamelCase						) - set(__lowerCamelCase						)						)						)
					__lowerCAmelCase						 =[url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
					__lowerCAmelCase						 =""" for """ + verification_name if verification_name is not None else """"""
					if len(__lowerCamelCase						) > 0:
										raise NonMatchingChecksumError(
										    f"""Checksums didn't match{for_verification_name}:\n"""
										    f"""{bad_urls}\n"""
										    """Set `verification_mode='no_checks'` to skip checksums verification and ignore this error"""						)
					logger.info("""All the checksums matched successfully""" + for_verification_name						)






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






class     __a			(  SCREAMING_SNAKE_CASE					):
	pass






def        __lowerCAmelCase		(	__lowerCamelCase						:     Optional[dict]					, __lowerCamelCase						:     dict						)	->    Any:
					if expected_splits is None:
										logger.info("""Unable to verify splits sizes."""						)
										return
					if len(set(__lowerCamelCase						) - set(__lowerCamelCase						)						) > 0:
										raise ExpectedMoreSplits(str(set(__lowerCamelCase						) - set(__lowerCamelCase						)						)						)
					if len(set(__lowerCamelCase						) - set(__lowerCamelCase						)						) > 0:
										raise UnexpectedSplits(str(set(__lowerCamelCase						) - set(__lowerCamelCase						)						)						)
					__lowerCAmelCase						 =[
					    {"""expected""": expected_splits[name], """recorded""": recorded_splits[name]}
					    for name in expected_splits
					    if expected_splits[name].num_examples != recorded_splits[name].num_examples
					]
					if len(__lowerCamelCase						) > 0:
										raise NonMatchingSplitsSizesError(str(__lowerCamelCase						)						)
					logger.info("""All the splits matched successfully."""						)






def        __lowerCAmelCase		(	__lowerCamelCase						:     str					, __lowerCamelCase						:     bool = True						)	->    dict:
					if record_checksum:
										__lowerCAmelCase						 =shaaaa()
										with open(__lowerCamelCase					, """rb"""						) as f:
															for chunk in iter(lambda: f.read(1 << 20						)					, b""""""						):
																				m.update(__lowerCamelCase						)
															__lowerCAmelCase						 =m.hexdigest()
					else:
										__lowerCAmelCase						 =None
					return {"num_bytes": os.path.getsize(__lowerCamelCase						), "checksum": checksum}






def        __lowerCAmelCase		(	__lowerCamelCase						:     Optional[int]						)	->    List[Any]:
					if dataset_size and config.IN_MEMORY_MAX_SIZE:
										return dataset_size < config.IN_MEMORY_MAX_SIZE
					else:
										return False









from __future__ import annotations






class     __a			:



	def __init__(    self				:     List[Any]					,						snake_case_				:     str					,						snake_case_				:     str)->				Optional[int]:
						__lowerCAmelCase ,						__lowerCAmelCase						 =text, pattern
						__lowerCAmelCase ,						__lowerCAmelCase						 =len(snake_case_), len(snake_case_)



	def 		UpperCamelCase				(    self				:     List[Any]					,						snake_case_				:     str)->				int:

						for i in range(self.patLen - 1					,						-1					,						-1):
											if char == self.pattern[i]:
																return i
						return -1



	def 		UpperCamelCase				(    self				:     List[str]					,						snake_case_				:     int)->				int:

						for i in range(self.patLen - 1					,						-1					,						-1):
											if self.pattern[i] != self.text[current_pos + i]:
																return current_pos + i
						return -1



	def 		UpperCamelCase				(    self				:     Dict)->				list[int]:
						# searches pattern in text and returns index positions
						__lowerCAmelCase						 =[]
						for i in range(self.textLen - self.patLen + 1):
											__lowerCAmelCase						 =self.mismatch_in_text(snake_case_)
											if mismatch_index == -1:
																positions.append(snake_case_)
											else:
																__lowerCAmelCase						 =self.match_in_pattern(self.text[mismatch_index])
																__lowerCAmelCase						 =(
																    mismatch_index - match_index
																)  # shifting index lgtm [py/multiple-definition]
						return positions


lowercase_													=      '''ABAABA'''
lowercase_													=      '''AB'''
lowercase_													=      BoyerMooreSearch(text, pattern)
lowercase_													=      bms.bad_character_heuristic()

if len(positions) == 0:
				print('''No match found''')
else:
				print('''Pattern found in following positions: ''')
				print(positions)




