


'''simple docstring'''




from typing import TYPE_CHECKING

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


__snake_case    						={
    """configuration_mega""": ["""MEGA_PRETRAINED_CONFIG_ARCHIVE_MAP""", """MegaConfig""", """MegaOnnxConfig"""],
}

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       __snake_case    						=[
           """MEGA_PRETRAINED_MODEL_ARCHIVE_LIST""",
           """MegaForCausalLM""",
           """MegaForMaskedLM""",
           """MegaForMultipleChoice""",
           """MegaForQuestionAnswering""",
           """MegaForSequenceClassification""",
           """MegaForTokenClassification""",
           """MegaModel""",
           """MegaPreTrainedModel""",
       ]

if TYPE_CHECKING:
       from .configuration_mega import MEGA_PRETRAINED_CONFIG_ARCHIVE_MAP, MegaConfig, MegaOnnxConfig

       try:
              if not is_torch_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_mega import (
                  MEGA_PRETRAINED_MODEL_ARCHIVE_LIST,
                  MegaForCausalLM,
                  MegaForMaskedLM,
                  MegaForMultipleChoice,
                  MegaForQuestionAnswering,
                  MegaForSequenceClassification,
                  MegaForTokenClassification,
                  MegaModel,
                  MegaPreTrainedModel,
              )

else:
       import sys

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










'''simple docstring'''





def        a_     (							_lowerCAmelCase       )      ->      str:
  if not all(char in '01' for char in bin_string       ):
    raise ValueError('Non-binary value was passed to the function'       )
  if not bin_string:
    raise ValueError('Empty string was passed to the function'       )
  __lowerCamelCase       :       int           = ''
  while len(_lowerCAmelCase       ) % 3 != 0:
    __lowerCamelCase       :       str           = '0' + bin_string
  __lowerCamelCase       :       Union[str, Any]           = [
      bin_string[index : index + 3]
      for index in range(len(_lowerCAmelCase       )       )
      if index % 3 == 0
  ]
  for bin_group in bin_string_in_3_list:
    __lowerCamelCase       :       Tuple           = 0
    for index, val in enumerate(_lowerCAmelCase       ):
      oct_val += int(2 ** (2 - index) * int(_lowerCAmelCase       )       )
    oct_string += str(_lowerCAmelCase       )
  return oct_string


if __name__ == "__main__":
   from doctest import testmod

   testmod()






