



import os
from distutils.util import strtobool






def 				A				(					_lowerCamelCase				, _lowerCamelCase  ):





							'''simple docstring'''




							for e in env_keys:
														_lowerCAmelCase     :							int    =    int(os.environ.get(_lowerCamelCase				, -1  )  )
														if val >= 0:
																					return val
							return default






def 				A				(					_lowerCamelCase				, _lowerCamelCase=False  ):





							'''simple docstring'''




							_lowerCAmelCase     :							List[str]    =    os.environ.get(_lowerCamelCase				, str(_lowerCamelCase  )  )
							return strtobool(_lowerCamelCase  ) == 1  # As its name indicates `strtobool` actually returns an int...






def 				A				(					_lowerCamelCase				, _lowerCamelCase="no"  ):





							'''simple docstring'''




							_lowerCAmelCase     :							List[Any]    =    os.environ.get(_lowerCamelCase				, str(_lowerCamelCase  )  )
							return value





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

from packaging import version


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






def 				A				(					_lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase  ):





							'''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(_lowerCamelCase  )				, version.parse(_lowerCamelCase  )  ):
														raise ImportError(
														    F"{requirement} is required for a normal functioning of this module, but found {pkg}=={got_ver}.{hint}"  )






def 				A				(					_lowerCamelCase				, _lowerCamelCase = None  ):





							'''simple docstring'''




							_lowerCAmelCase     :							List[str]    =    F"\n{hint}" if hint is not None else ""

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

							# check if any version is installed
							try:
														_lowerCAmelCase     :							Any    =    importlib.metadata.version(_lowerCamelCase  )
							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(_lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase				, _lowerCamelCase  )






def 				A				(					_lowerCamelCase  ):





							'''simple docstring'''




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