



import sys

from .dependency_versions_table import deps
from .utils.versions import require_version, require_version_core


# define which module versions we always want to check at run time
# (usually the ones defined in `install_requires` in setup.py)
#
# order specific notes:
# - tqdm must be checked before tokenizers

A__  :  Any								=					'''python tqdm regex requests packaging filelock numpy tokenizers'''.split()
if sys.version_info < (3, 7):
						pkgs_to_check_at_runtime.append('''dataclasses''')
if sys.version_info < (3, 8):
						pkgs_to_check_at_runtime.append('''importlib_metadata''')

for pkg in pkgs_to_check_at_runtime:
						if pkg in deps:
												if pkg == "tokenizers":
																		# must be loaded here, or else tqdm check may fail
																		from .utils import is_tokenizers_available

																		if not is_tokenizers_available():
																								continue  # not required, check version only if installed

												require_version_core(deps[pkg])
						else:
												raise ValueError(F'''can\'t find {pkg} in {deps.keys()}, check dependency_versions_table.py''')


def 			UpperCamelCase(  __UpperCamelCase							:		List[str]     ,__UpperCamelCase							:		Optional[Any]=None ):
		require_version(deps[pkg]     ,__UpperCamelCase )













from functools import lru_cache






@lru_cache
def 				lowerCamelCase__      (    __lowerCamelCase			:     int		):
  if num < 0:
    raise ValueError("""Number should not be negative."""		)

  return 1 if num in (0, 1) else num * factorial(num - 1		)


if __name__ == "__main__":
       import doctest

       doctest.testmod()


