


# Lint as: python3
import itertools
import os
import re


__a     =			re.compile(R"""([A-Z]+)([A-Z][a-z])""")
__a     =			re.compile(R"""([a-z\d])([A-Z])""")

__a     =			re.compile(R"""(?<!_)_(?!_)""")
__a     =			re.compile(R"""(_{2,})""")

__a     =			R"""^\w+(\.\w+)*$"""

__a     =			R"""<>:/\|?*"""
def   _UpperCamelCase				(						lowerCAmelCase_   )						->Union[str, Any]:
   UpperCAmelCase							=     _uppercase_uppercase_re.sub(R"""\1_\2"""  ,						lowerCAmelCase_   )
   UpperCAmelCase							=     _lowercase_uppercase_re.sub(R"""\1_\2"""  ,						lowerCAmelCase_   )
   return name.lower()
def   _UpperCamelCase				(						lowerCAmelCase_   )						->str:
   UpperCAmelCase							=     _single_underscore_re.split(lowerCAmelCase_   )
   UpperCAmelCase							=     [_multiple_underscores_re.split(lowerCAmelCase_   ) for n in name]
   return "".join(n.capitalize() for n in itertools.chain.from_iterable(lowerCAmelCase_   ) if n != """"""   )
def   _UpperCamelCase				(						lowerCAmelCase_   )						->Any:
   if os.path.basename(lowerCAmelCase_   ) != name:
      raise ValueError(F"""Should be a dataset name, not a path: {name}"""   )
   return camelcase_to_snakecase(lowerCAmelCase_   )
def   _UpperCamelCase				(						lowerCAmelCase_  ,						lowerCAmelCase_   )						->int:
   if os.path.basename(lowerCAmelCase_   ) != name:
      raise ValueError(F"""Should be a dataset name, not a path: {name}"""   )
   if not re.match(_split_re  ,						lowerCAmelCase_   ):
      raise ValueError(F"""Split name should match '{_split_re}'' but got '{split}'."""   )
   return F"""{filename_prefix_for_name(lowerCAmelCase_   )}-{split}"""
def   _UpperCamelCase				(						lowerCAmelCase_  ,						lowerCAmelCase_  ,						lowerCAmelCase_  ,						lowerCAmelCase_=None   )						->Optional[int]:
   UpperCAmelCase							=     filename_prefix_for_split(lowerCAmelCase_  ,						lowerCAmelCase_   )
   if filetype_suffix:
      prefix += F""".{filetype_suffix}"""
   UpperCAmelCase							=     os.path.join(lowerCAmelCase_  ,						lowerCAmelCase_   )
   return F"""{filepath}*"""







def   _UpperCamelCase				(						lowerCAmelCase_  ,						lowerCAmelCase_  ,						lowerCAmelCase_  ,						lowerCAmelCase_=None  ,						lowerCAmelCase_=None   )						->Optional[Any]:
   UpperCAmelCase							=     filename_prefix_for_split(lowerCAmelCase_  ,						lowerCAmelCase_   )
   UpperCAmelCase							=     os.path.join(lowerCAmelCase_  ,						lowerCAmelCase_   )

   if shard_lengths:
      UpperCAmelCase							=     len(lowerCAmelCase_   )
      UpperCAmelCase							=     [F"""{prefix}-{shard_id:05d}-of-{num_shards:05d}""" for shard_id in range(lowerCAmelCase_   )]
      if filetype_suffix:
         UpperCAmelCase							=     [filename + F""".{filetype_suffix}""" for filename in filenames]
      return filenames
   else:
      UpperCAmelCase							=     prefix
      if filetype_suffix:
         filename += F""".{filetype_suffix}"""
      return [filename]







import pickle
import unittest

import torch

from accelerate import Accelerator
from accelerate.state import AcceleratorState
from accelerate.test_utils import require_cpu






@require_cpu
class   __lowercase				(  unittest.TestCase  ):





      def        _lowercase				(		self						:					Any       )    ->   Union[str, Any]:






         """simple docstring"""







         UpperCAmelCase							=     torch.nn.Linear(1_0					,       1_0       )
         UpperCAmelCase							=     torch.optim.SGD(model.parameters()					,       0.1       )
         UpperCAmelCase							=     Accelerator()
         UpperCAmelCase							=     accelerator.prepare(__lowerCamelCase       )
         try:
            pickle.loads(pickle.dumps(__lowerCamelCase       )       )
         except Exception as e:
            self.fail(F"""Accelerated optimizer pickling failed with {e}"""       )
         AcceleratorState._reset_state()



