


"""simple docstring"""






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

from packaging import version


UpperCamelCase__				:Optional[Any]			   =	{
    """<""": operator.lt,
    """<=""": operator.le,
    """==""": operator.eq,
    """!=""": operator.ne,
    """>=""": operator.ge,
    """>""": operator.gt,
}





def 				A_       ( snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__		)					->  Optional[int]:
			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(snake_case__		)       ,					version.parse(snake_case__		)		):
						raise ImportError(
						    f"{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}"		)





def 				A_       ( snake_case__       ,					snake_case__ = None		)					->  None:
			_UpperCamelCase					:Optional[Any]					     =	f"\n{hint}" if hint is not None else ''''''

			# non-versioned check
			if re.match(R'''^[\w_\-\d]+$'''       ,					snake_case__		):
						_UpperCamelCase     ,      _UpperCamelCase     ,      _UpperCamelCase					:int					     =	requirement, None, None
			else:
						_UpperCamelCase					:Union[str, Any]					     =	re.findall(R'''^([^!=<>\s]+)([\s!=<>]{1,2}.+)'''       ,					snake_case__		)
						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}"		)
						_UpperCamelCase     ,      _UpperCamelCase					:Dict					     =	match[0]
						_UpperCamelCase					:Optional[Any]					     =	want_full.split(''','''		)  # there could be multiple requirements
						_UpperCamelCase					:Any					     =	{}
						for w in want_range:
									_UpperCamelCase					:Any					     =	re.findall(R'''^([\s!=<>]{1,2})(.+)'''       ,					snake_case__		)
									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}"		)
									_UpperCamelCase     ,      _UpperCamelCase					:Union[str, Any]					     =	match[0]
									_UpperCamelCase					:Any					     =	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":
						_UpperCamelCase					:int					     =	'''.'''.join([str(snake_case__		) for x in sys.version_info[:3]]		)
						for op, want_ver in wanted.items():
									_compare_versions(snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__		)
						return

			# check if any version is installed
			try:
						_UpperCamelCase					:Optional[Any]					     =	importlib.metadata.version(snake_case__		)
			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(snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__       ,					snake_case__		)





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





"""simple docstring"""






def 				A_       ( snake_case__       ,					snake_case__ = " "		)					->  list:
			_UpperCamelCase					:List[str]					     =	[]

			_UpperCamelCase					:int					     =	0
			for index, char in enumerate(snake_case__		):
						if char == separator:
									split_words.append(string[last_index:index]		)
									_UpperCamelCase					:Dict					     =	index + 1
						elif index + 1 == len(snake_case__		):
									split_words.append(string[last_index : index + 1]		)
			return split_words


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

					testmod()

