



import multiprocessing
from typing import TYPE_CHECKING, Optional, Union

from .. import Dataset, Features, config
from ..formatting import query_table
from ..packaged_modules.sql.sql import Sql
from ..utils import logging
from .abc import AbstractDatasetInputStream


if TYPE_CHECKING:
						import sqlitea

						import sqlalchemy






class    SCREAMING_SNAKE_CASE			(							lowerCamelCase__					):





							def __init__(   self		:		Any      ,				__lowercase		:		Union[str, "sqlalchemy.sql.Selectable"]      ,				__lowercase		:		Union[str, "sqlalchemy.engine.Connection", "sqlalchemy.engine.Engine", "sqlite3.Connection"]      ,				__lowercase		:		Optional[Features] = None      ,				__lowercase		:		str = None      ,				__lowercase		:		bool = False      ,				**__lowercase		:		Tuple      ,				):

											'''simple docstring'''
											super().__init__(features=__lowercase      ,				cache_dir=__lowercase      ,				keep_in_memory=__lowercase      ,				**__lowercase	)
											__a       =		Sql(
											    cache_dir=__lowercase      ,				features=__lowercase      ,				sql=__lowercase      ,				con=__lowercase      ,				**__lowercase      ,				)







							def 						UpperCamelCase_					(   self		:		Optional[int]	):

											'''simple docstring'''
											__a       =		None
											__a       =		None
											__a       =		None
											__a       =		None

											self.builder.download_and_prepare(
											    download_config=__lowercase      ,				download_mode=__lowercase      ,				verification_mode=__lowercase      ,				base_path=__lowercase      ,				)

											# Build dataset for splits
											__a       =		self.builder.as_dataset(
											    split="""train"""      ,				verification_mode=__lowercase      ,				in_memory=self.keep_in_memory	)
											return dataset






class    SCREAMING_SNAKE_CASE			:





							def __init__(   self		:		str      ,				__lowercase		:		Dataset      ,				__lowercase		:		str      ,				__lowercase		:		Union[str, "sqlalchemy.engine.Connection", "sqlalchemy.engine.Engine", "sqlite3.Connection"]      ,				__lowercase		:		Optional[int] = None      ,				__lowercase		:		Optional[int] = None      ,				**__lowercase		:		str      ,				):

											'''simple docstring'''
											if num_proc is not None and num_proc <= 0:
															raise ValueError(F"num_proc {num_proc} must be an integer > 0."	)

											__a       =		dataset
											__a       =		name
											__a       =		con
											__a       =		batch_size if batch_size else config.DEFAULT_MAX_BATCH_SIZE
											__a       =		num_proc
											__a       =		to_sql_kwargs





							def 						UpperCamelCase_					(   self		:		int	):

											'''simple docstring'''
											__a       =		self.to_sql_kwargs.pop("""sql"""      ,				__lowercase	)
											__a       =		self.to_sql_kwargs.pop("""con"""      ,				__lowercase	)
											__a       =		self.to_sql_kwargs.pop("""index"""      ,				__lowercase	)

											__a       =		self._write(index=__lowercase      ,				**self.to_sql_kwargs	)
											return written





							def 						UpperCamelCase_					(   self		:		List[Any]      ,				__lowercase		:		Any	):

											'''simple docstring'''
											__a     ,					__a     ,					__a       =		args
											__a       =		{**to_sql_kwargs, """if_exists""": """append"""} if offset > 0 else to_sql_kwargs
											__a       =		query_table(
											    table=self.dataset.data      ,				key=slice(__lowercase      ,				offset + self.batch_size	)      ,				indices=self.dataset._indices      ,				)
											__a       =		batch.to_pandas()
											__a       =		df.to_sql(self.name      ,				self.con      ,				index=__lowercase      ,				**__lowercase	)
											return num_rows or len(__lowercase	)







							def 						UpperCamelCase_					(   self		:		Any      ,				__lowercase		:		Union[str, Any]      ,				**__lowercase		:		Dict	):

											'''simple docstring'''
											__a       =		0

											if self.num_proc is None or self.num_proc == 1:
															for offset in logging.tqdm(
															    range(0      ,				len(self.dataset	)      ,				self.batch_size	)      ,				unit="""ba"""      ,				disable=not logging.is_progress_bar_enabled()      ,				desc="""Creating SQL from Arrow format"""      ,				):
																			written += self._batch_sql((offset, index, to_sql_kwargs)	)
											else:
															__a     ,					__a       =		len(self.dataset	), self.batch_size
															with multiprocessing.Pool(self.num_proc	) as pool:
																			for num_rows in logging.tqdm(
																			    pool.imap(
																			        self._batch_sql      ,				[(offset, index, to_sql_kwargs) for offset in range(0      ,				__lowercase      ,				__lowercase	)]      ,				)      ,				total=(num_rows // batch_size) + 1 if num_rows % batch_size else num_rows // batch_size      ,				unit="""ba"""      ,				disable=not logging.is_progress_bar_enabled()      ,				desc="""Creating SQL from Arrow format"""      ,				):
																							written += num_rows

											return written





import itertools
import string
from collections.abc import Generator, Iterable

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			Iterable[str]				,     _SCREAMING_SNAKE_CASE       :			int    ):
				"""simple docstring"""







				__a       =		iter(_SCREAMING_SNAKE_CASE    )
				while True:
								__a       =		tuple(itertools.islice(_SCREAMING_SNAKE_CASE				,     _SCREAMING_SNAKE_CASE    )    )
								if not chunk:
												return
								yield chunk

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str    ):
				"""simple docstring"""







				__a       =		"""""".join([c.upper() for c in dirty if c in string.ascii_letters]    )
				__a       =		""""""

				if len(_SCREAMING_SNAKE_CASE    ) < 2:
								return dirty

				for i in range(len(_SCREAMING_SNAKE_CASE    ) - 1    ):
								clean += dirty[i]

								if dirty[i] == dirty[i + 1]:
												clean += "X"

				clean += dirty[-1]

				if len(_SCREAMING_SNAKE_CASE    ) & 1:
								clean += "X"

				return clean

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str    ):
				"""simple docstring"""







				__a       =		"""ABCDEFGHIKLMNOPQRSTUVWXYZ"""
				# we're using a list instead of a '2d' array because it makes the math
				# for setting up the table and doing the actual encoding/decoding simpler
				__a       =		[]

				# copy key chars into the table if they are in `alphabet` ignoring duplicates
				for char in key.upper():
								if char not in table and char in alphabet:
												table.append(_SCREAMING_SNAKE_CASE    )

    # fill the rest of the table in with the remaining alphabet chars
				for char in alphabet:
								if char not in table:
												table.append(_SCREAMING_SNAKE_CASE    )

				return table

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str				,     _SCREAMING_SNAKE_CASE       :			str    ):
				"""simple docstring"""







				__a       =		generate_table(_SCREAMING_SNAKE_CASE    )
				__a       =		prepare_input(_SCREAMING_SNAKE_CASE    )
				__a       =		""""""

				# https://en.wikipedia.org/wiki/Playfair_cipher#Description
				for chara, chara in chunker(_SCREAMING_SNAKE_CASE				,     2    ):
								__a     ,					__a       =		divmod(table.index(_SCREAMING_SNAKE_CASE    )				,     5    )
								__a     ,					__a       =		divmod(table.index(_SCREAMING_SNAKE_CASE    )				,     5    )

								if rowa == rowa:
												ciphertext += table[rowa * 5 + (cola + 1) % 5]
												ciphertext += table[rowa * 5 + (cola + 1) % 5]
								elif cola == cola:
												ciphertext += table[((rowa + 1) % 5) * 5 + cola]
												ciphertext += table[((rowa + 1) % 5) * 5 + cola]
								else:  # rectangle
												ciphertext += table[rowa * 5 + cola]
												ciphertext += table[rowa * 5 + cola]

				return ciphertext

def   lowerCAmelCase__						(							_SCREAMING_SNAKE_CASE       :			str				,     _SCREAMING_SNAKE_CASE       :			str    ):
				"""simple docstring"""







				__a       =		generate_table(_SCREAMING_SNAKE_CASE    )
				__a       =		""""""

				# https://en.wikipedia.org/wiki/Playfair_cipher#Description
				for chara, chara in chunker(_SCREAMING_SNAKE_CASE				,     2    ):
								__a     ,					__a       =		divmod(table.index(_SCREAMING_SNAKE_CASE    )				,     5    )
								__a     ,					__a       =		divmod(table.index(_SCREAMING_SNAKE_CASE    )				,     5    )

								if rowa == rowa:
												plaintext += table[rowa * 5 + (cola - 1) % 5]
												plaintext += table[rowa * 5 + (cola - 1) % 5]
								elif cola == cola:
												plaintext += table[((rowa - 1) % 5) * 5 + cola]
												plaintext += table[((rowa - 1) % 5) * 5 + cola]
								else:  # rectangle
												plaintext += table[rowa * 5 + cola]
												plaintext += table[rowa * 5 + cola]

				return plaintext
