






'''simple docstring'''





import itertools
import os
import re


__lowerCamelCase	:		Union[str, Any]										=   re.compile(r"""([A-Z]+)([A-Z][a-z])""")
__lowerCamelCase	:		List[Any]										=   re.compile(r"""([a-z\d])([A-Z])""")

__lowerCamelCase	:		str										=   re.compile(r"""(?<!_)_(?!_)""")
__lowerCamelCase	:		Optional[Any]										=   re.compile(r"""(_{2,})""")

__lowerCamelCase	:		Union[str, Any]										=   r"""^\w+(\.\w+)*$"""

__lowerCamelCase	:		Tuple										=   r"""<>:/\|?*"""







def 			A__							(      _a  :					List[str]	):





 '''simple docstring'''







 snake_case__  :    int							       =_uppercase_uppercase_re.sub(R"""\1_\2"""		,  a__	)
 snake_case__  :    List[str]							       =_lowercase_uppercase_re.sub(R"""\1_\2"""		,  a__	)
 return name.lower()







def 			A__							(      _a  :					Optional[int]	):





 '''simple docstring'''







 snake_case__  :    Union[str, Any]							       =_single_underscore_re.split(a__	)
 snake_case__  :    List[str]							       =[_multiple_underscores_re.split(a__	) for n in name]
 return "".join(n.capitalize() for n in itertools.chain.from_iterable(a__	) if n != """"""	)







def 			A__							(      _a  :					List[str]	):





 '''simple docstring'''







 if os.path.basename(a__	) != name:
  raise ValueError(f"Should be a dataset name, not a path: {name}"	)
 return camelcase_to_snakecase(a__	)







def 			A__							(      _a  :					Optional[int]		,  _a  :					str	):





 '''simple docstring'''







 if os.path.basename(a__	) != name:
  raise ValueError(f"Should be a dataset name, not a path: {name}"	)
 if not re.match(_split_re		,  a__	):
  raise ValueError(f"Split name should match \'{_split_re}\'\' but got \'{split}\'."	)
 return f"{filename_prefix_for_name(a__	)}-{split}"







def 			A__							(      _a  :					Tuple		,  _a  :					Dict		,  _a  :					int		,  _a  :					List[str]=None	):





 '''simple docstring'''







 snake_case__  :    Optional[Any]							       =filename_prefix_for_split(a__		,  a__	)
 if filetype_suffix:
  prefix += f".{filetype_suffix}"
 snake_case__  :    List[Any]							       =os.path.join(a__		,  a__	)
 return f"{filepath}*"







def 			A__							(      _a  :					str		,  _a  :					str		,  _a  :					Any		,  _a  :					Dict=None		,  _a  :					str=None	):





 '''simple docstring'''







 snake_case__  :    Optional[Any]							       =filename_prefix_for_split(a__		,  a__	)
 snake_case__  :    int							       =os.path.join(a__		,  a__	)

 if shard_lengths:
  snake_case__  :    Union[str, Any]							       =len(a__	)
  snake_case__  :    Union[str, Any]							       =[f"{prefix}-{shard_id:05d}-of-{num_shards:05d}" for shard_id in range(a__	)]
  if filetype_suffix:
   snake_case__  :    List[str]							       =[filename + f".{filetype_suffix}" for filename in filenames]
  return filenames
 else:
  snake_case__  :    Optional[int]							       =prefix
  if filetype_suffix:
   filename += f".{filetype_suffix}"
  return [filename]













__lowerCamelCase	:		dict[str, float]										=   {
    "km/h": 1.0,
    "m/s": 3.6,
    "mph": 1.60_93_44,
    "knot": 1.8_52,
}

__lowerCamelCase	:		dict[str, float]										=   {
    "km/h": 1.0,
    "m/s": 0.2_77_77_77_78,
    "mph": 0.6_21_37_11_92,
    "knot": 0.5_39_95_68_03,
}







def 			A__							(      _a  :					float		,  _a  :					str		,  _a  :					str	):





 '''simple docstring'''







 if unit_to not in speed_chart or unit_from not in speed_chart_inverse:
  snake_case__  :    Tuple							       =(
      f"Incorrect 'from_type' or 'to_type' value: {unit_from!r}, {unit_to!r}\n"
      f"Valid values are: {', '.join(_a	)}"
  )
  raise ValueError(_a	)
 return round(speed * speed_chart[unit_from] * speed_chart_inverse[unit_to]		,  3	)


if __name__ == "__main__":
       import doctest

       doctest.testmod()





