





import importlib.metadata
import operator
import re
import sys
from typing import Optional

from packaging import version


lowerCAmelCase_    =				{
    '''<''': operator.lt,
    '''<=''': operator.le,
    '''==''': operator.eq,
    '''!=''': operator.ne,
    '''>=''': operator.ge,
    '''>''': operator.gt,
}






def      lowerCamelCase_						(				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase )		->						Union[str, Any]:






				"""simple docstring"""


				if got_ver is None or want_ver is None:
								raise ValueError(
								    f'''Unable to compare versions for {requirement}: need={want_ver} found={got_ver}. This is unusual. Consider'''
								    f''' reinstalling {pkg}.''' )
				if not ops[op](version.parse(_UpperCamelCase ) ,				version.parse(_UpperCamelCase ) ):
								raise ImportError(
								    f'''{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}''' )






def      lowerCamelCase_						(				_UpperCamelCase ,				_UpperCamelCase = None )		->						None:






				"""simple docstring"""


				snake_case_						:    Union[str, Any]				=  f'''\n{hint}''' if hint is not None else ''''''

				# non-versioned check
				if re.match(R'''^[\w_\-\d]+$''' ,				_UpperCamelCase ):
								snake_case_			,							snake_case_			,							snake_case_						:    str				=  requirement, None, None
				else:
								snake_case_						:    List[str]				=  re.findall(R'''^([^!=<>\s]+)([\s!=<>]{1,2}.+)''' ,				_UpperCamelCase )
								if not match:
												raise ValueError(
												    '''requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23, but'''
												    f''' got {requirement}''' )
								snake_case_			,							snake_case_						:    List[str]				=  match[0]
								snake_case_						:    str				=  want_full.split(''',''' )  # there could be multiple requirements
								snake_case_						:    Any				=  {}
								for w in want_range:
												snake_case_						:    int				=  re.findall(R'''^([\s!=<>]{1,2})(.+)''' ,				_UpperCamelCase )
												if not match:
																raise ValueError(
																    '''requirement needs to be in the pip package format, .e.g., package_a==1.23, or package_b>=1.23,'''
																    f''' but got {requirement}''' )
												snake_case_			,							snake_case_						:    Optional[int]				=  match[0]
												snake_case_						:    int				=  want_ver
												if op not in ops:
																raise ValueError(f'''{requirement}: need one of {list(ops.keys() )}, but got {op}''' )

    # special case
				if pkg == "python":
								snake_case_						:    Optional[Any]				=  '''.'''.join([str(_UpperCamelCase ) for x in sys.version_info[:3]] )
								for op, want_ver in wanted.items():
												_compare_versions(_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase )
								return

				# check if any version is installed
				try:
								snake_case_						:    int				=  importlib.metadata.version(_UpperCamelCase )
				except importlib.metadata.PackageNotFoundError:
								raise importlib.metadata.PackageNotFoundError(
								    f'''The \'{requirement}\' distribution was not found and is required by this application. {hint}''' )

				# check that the right version is installed if version number or a range was provided
				if want_ver is not None:
								for op, want_ver in wanted.items():
												_compare_versions(_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase )






def      lowerCamelCase_						(				_UpperCamelCase )		->						Optional[Any]:






				"""simple docstring"""


				snake_case_						:    str				=  '''Try: pip install transformers -U or pip install -e \'.[dev]\' if you\'re working with git main'''
				return require_version(_UpperCamelCase ,				_UpperCamelCase )







from __future__ import annotations






def      lowerCamelCase_						(				_UpperCamelCase ,				_UpperCamelCase ,				_UpperCamelCase )		->						tuple[float, list[float]]:






				"""simple docstring"""


				snake_case_						:    Dict				=  list(range(len(_UpperCamelCase ) ) )
				snake_case_						:    Dict				=  [v / w for v, w in zip(_UpperCamelCase ,				_UpperCamelCase )]
				index.sort(key=lambda _UpperCamelCase : ratio[i] ,				reverse=_UpperCamelCase )

				snake_case_						:    float				=  0
				snake_case_						:    list[float]				=  [0] * len(_UpperCamelCase )
				for i in index:
								if weight[i] <= capacity:
												snake_case_						:    Dict				=  1
												max_value += value[i]
												capacity -= weight[i]
								else:
												snake_case_						:    Union[str, Any]				=  capacity / weight[i]
												max_value += value[i] * capacity / weight[i]
												break

				return max_value, fractions


if __name__ == "__main__":
	import doctest

	doctest.testmod()
