


"""simple docstring"""



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







def     __lowerCAmelCase		(		lowercase    :    Iterable[str]		,				lowercase    :    int					)      ->		Generator[tuple[str, ...], None, None]:


    """simple docstring"""





    snake_case       : Optional[int]    =       iter(lowercase					)
    while True:
        snake_case       : Optional[int]    =       tuple(itertools.islice(lowercase		,				lowercase					)					)
        if not chunk:
            return
        yield chunk







def     __lowerCAmelCase		(		lowercase    :    str					)      ->		str:


    """simple docstring"""





    snake_case       : int    =       "".join([c.upper() for c in dirty if c in string.ascii_letters]					)
    snake_case       : List[Any]    =       ""

    if len(lowercase					) < 2:
        return dirty

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

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

    clean += dirty[-1]

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

    return clean







def     __lowerCAmelCase		(		lowercase    :    str					)      ->		list[str]:


    """simple docstring"""





    snake_case       : Optional[int]    =       "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
    snake_case       : List[str]    =       []

    # 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(lowercase					)

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

    return table







def     __lowerCAmelCase		(		lowercase    :    str		,				lowercase    :    str					)      ->		str:


    """simple docstring"""





    snake_case       : Dict    =       generate_table(lowercase					)
    snake_case       : Any    =       prepare_input(lowercase					)
    snake_case       : Optional[int]    =       ""

    # https://en.wikipedia.org/wiki/Playfair_cipher#Description
    for chara, chara in chunker(lowercase		,				2					):
        snake_case   ,snake_case       : Union[str, Any]    =       divmod(table.index(lowercase					)		,				5					)
        snake_case   ,snake_case       : Tuple    =       divmod(table.index(lowercase					)		,				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		(		lowercase    :    str		,				lowercase    :    str					)      ->		str:


    """simple docstring"""





    snake_case       : List[Any]    =       generate_table(lowercase					)
    snake_case       : Dict    =       ""

    # https://en.wikipedia.org/wiki/Playfair_cipher#Description
    for chara, chara in chunker(lowercase		,				2					):
        snake_case   ,snake_case       : Optional[int]    =       divmod(table.index(lowercase					)		,				5					)
        snake_case   ,snake_case       : Optional[int]    =       divmod(table.index(lowercase					)		,				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









"""simple docstring"""



from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


__snake_case       =       {
    """configuration_poolformer""": [
        """POOLFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """PoolFormerConfig""",
        """PoolFormerOnnxConfig""",
    ]
}

try:
  if not is_vision_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  __snake_case       =       ["""PoolFormerFeatureExtractor"""]
  __snake_case       =       ["""PoolFormerImageProcessor"""]

try:
  if not is_torch_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  __snake_case       =       [
      """POOLFORMER_PRETRAINED_MODEL_ARCHIVE_LIST""",
      """PoolFormerForImageClassification""",
      """PoolFormerModel""",
      """PoolFormerPreTrainedModel""",
  ]


if TYPE_CHECKING:
  from .configuration_poolformer import (
      POOLFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
      PoolFormerConfig,
      PoolFormerOnnxConfig,
  )

  try:
    if not is_vision_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .feature_extraction_poolformer import PoolFormerFeatureExtractor
    from .image_processing_poolformer import PoolFormerImageProcessor

  try:
    if not is_torch_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_poolformer import (
        POOLFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
        PoolFormerForImageClassification,
        PoolFormerModel,
        PoolFormerPreTrainedModel,
    )


else:
  import sys

  __snake_case       =       _LazyModule(__name__, globals()["""__file__"""], _import_structure)





