'''simple docstring'''




from collections import namedtuple

__snake_case   :      str						    =  namedtuple('from_to', 'from_ to')

__snake_case   :      List[Any]						    =  {
    'millimeter': 'mm',
    'centimeter': 'cm',
    'meter': 'm',
    'kilometer': 'km',
    'inch': 'in',
    'inche': 'in',  # Trailing 's' has been stripped off
    'feet': 'ft',
    'foot': 'ft',
    'yard': 'yd',
    'mile': 'mi',
}

__snake_case   :      List[Any]						    =  {
    'mm': from_to(0.001, 1_000),
    'cm': from_to(0.01, 100),
    'm': from_to(1, 1),
    'km': from_to(1_000, 0.001),
    'in': from_to(0.0_254, 39.3_701),
    'ft': from_to(0.3_048, 3.28_084),
    'yd': from_to(0.9_144, 1.09_361),
    'mi': from_to(1_609.34, 0.000_621_371),
}





def      _UpperCAmelCase    (							_UpperCamelCase    :	float,   _UpperCamelCase    :	str,   _UpperCamelCase    :	str   )	->      float:
    A_     =   from_type.lower().rstrip('''s'''   )
    A_     =   TYPE_CONVERSION.get(_UpperCamelCase,   _UpperCamelCase   )
    A_     =   to_type.lower().rstrip('''s'''   )
    A_     =   TYPE_CONVERSION.get(_UpperCamelCase,   _UpperCamelCase   )
    if new_from not in METRIC_CONVERSION:
        A_     =   (
            F'''Invalid \'from_type\' value: {from_type!r}.\n'''
            F'''Conversion abbreviations are: {', '.join(_UpperCamelCase   )}'''
        )
        raise ValueError(_UpperCamelCase   )
    if new_to not in METRIC_CONVERSION:
        A_     =   (
            F'''Invalid \'to_type\' value: {to_type!r}.\n'''
            F'''Conversion abbreviations are: {', '.join(_UpperCamelCase   )}'''
        )
        raise ValueError(_UpperCamelCase   )
    return value * METRIC_CONVERSION[new_from].from_ * METRIC_CONVERSION[new_to].to


if __name__ == "__main__":
  import doctest

  doctest.testmod()







'''simple docstring'''




from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_sentencepiece_available, is_tokenizers_available


__snake_case   :      Optional[int]						    =  {}

try:
  if not is_sentencepiece_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  __snake_case   :      Optional[Any]						    =  ['MBart50Tokenizer']

try:
  if not is_tokenizers_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  __snake_case   :      Dict						    =  ['MBart50TokenizerFast']


if TYPE_CHECKING:
  try:
    if not is_sentencepiece_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .tokenization_mbartaa import MBartaaTokenizer

  try:
    if not is_tokenizers_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .tokenization_mbartaa_fast import MBartaaTokenizerFast

else:
  import sys

  __snake_case   :      Tuple						    =  _LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)






