





'''simple docstring'''







import inspect
import os
import unittest
from dataclasses import dataclass

import torch

from accelerate import Accelerator, DistributedDataParallelKwargs, GradScalerKwargs
from accelerate.state import AcceleratorState
from accelerate.test_utils import execute_subprocess_async, require_cuda, require_multi_gpu
from accelerate.utils import KwargsHandler





@dataclass
class        _UpperCAmelCase				(		lowerCAmelCase_  ):
		a  :  int      =0
		a  :  bool      =False
		a  :  float      =3.0





class        _UpperCAmelCase				(		unittest.TestCase  ):
		def     lowerCamelCase__     (    self     ):



					'''simple docstring'''

					self.assertDictEqual(MockClass().to_kwargs(),{}     )
					self.assertDictEqual(MockClass(a=2     ).to_kwargs(),{"""a""": 2}     )
					self.assertDictEqual(MockClass(a=2,b=lowerCAmelCase__     ).to_kwargs(),{"""a""": 2, """b""": True}     )
					self.assertDictEqual(MockClass(a=2,c=2.25     ).to_kwargs(),{"""a""": 2, """c""": 2.25}     )
		@require_cuda
		def     lowerCamelCase__     (    self     ):



					'''simple docstring'''

					__lowerCAmelCase   		=							GradScalerKwargs(init_scale=10_24,growth_factor=2     )
					AcceleratorState._reset_state()
					__lowerCAmelCase   		=							Accelerator(mixed_precision="""fp16""",kwargs_handlers=[scaler_handler]     )
					print(accelerator.use_fpaa     )
					__lowerCAmelCase   		=							accelerator.scaler

					# Check the kwargs have been applied
					self.assertEqual(scaler._init_scale,1024.0     )
					self.assertEqual(scaler._growth_factor,2.0     )

					# Check the other values are at the default
					self.assertEqual(scaler._backoff_factor,0.5     )
					self.assertEqual(scaler._growth_interval,20_00     )
					self.assertEqual(scaler._enabled,lowerCAmelCase__     )







		@require_multi_gpu
		def     lowerCamelCase__     (    self     ):



					'''simple docstring'''

					__lowerCAmelCase   		=							["""torchrun""", f'--nproc_per_node={torch.cuda.device_count()}', inspect.getfile(self.__class__     )]
					execute_subprocess_async(lowerCAmelCase__,env=os.environ.copy()     )


if __name__ == "__main__":
	_a   :					Dict           =       DistributedDataParallelKwargs(bucket_cap_mb=1_5, find_unused_parameters=True)
	_a   :					List[str]           =       Accelerator(kwargs_handlers=[ddp_scaler])
	_a   :					List[Any]           =       torch.nn.Linear(1_0_0, 2_0_0)
	_a   :					Dict           =       accelerator.prepare(model)

	# Check the values changed in kwargs
	_a   :					Any           =       ''
	_a   :					Union[str, Any]           =       model.bucket_bytes_cap // (1_0_2_4 * 1_0_2_4)
	if observed_bucket_cap_map != 1_5:
		error_msg += f"Kwargs badly passed, should have `15` but found {observed_bucket_cap_map}.\n"
	if model.find_unused_parameters is not True:
		error_msg += f"Kwargs badly passed, should have `True` but found {model.find_unused_parameters}.\n"

	# Check the values of the defaults
	if model.dim != 0:
		error_msg += f"Default value not respected, should have `0` but found {model.dim}.\n"
	if model.broadcast_buffers is not True:
		error_msg += f"Default value not respected, should have `True` but found {model.broadcast_buffers}.\n"
	if model.gradient_as_bucket_view is not False:
		error_msg += f"Default value not respected, should have `False` but found {model.gradient_as_bucket_view}.\n"

	# Raise error at the end to make sure we don't stop at the first failure.
	if len(error_msg) > 0:
		raise ValueError(error_msg)








'''simple docstring'''

from datasets.utils.patching import _PatchedModuleObj, patch_submodule

from . import _test_patching







def    a__							(							)						->						Tuple:





     """simple docstring"""

     import os as original_os
     from os import path as original_path
     from os import rename as original_rename
     from os.path import dirname as original_dirname
     from os.path import join as original_join

     assert _test_patching.os is original_os
     assert _test_patching.path is original_path
     assert _test_patching.join is original_join

     assert _test_patching.renamed_os is original_os
     assert _test_patching.renamed_path is original_path
     assert _test_patching.renamed_join is original_join

     _UpperCamelCase							       =			'''__test_patch_submodule_mock__'''
     with patch_submodule(_test_patching,   '''os.path.join''',   lowercase ):
          # Every way to access os.path.join must be patched, and the rest must stay untouched

          # check os.path.join
          assert isinstance(_test_patching.os,   _PatchedModuleObj )
          assert isinstance(_test_patching.os.path,   _PatchedModuleObj )
          assert _test_patching.os.path.join is mock

          # check path.join
          assert isinstance(_test_patching.path,   _PatchedModuleObj )
          assert _test_patching.path.join is mock

          # check join
          assert _test_patching.join is mock

          # check that the other attributes are untouched
          assert _test_patching.os.rename is original_rename
          assert _test_patching.path.dirname is original_dirname
          assert _test_patching.os.path.dirname is original_dirname

          # Even renamed modules or objects must be patched

          # check renamed_os.path.join
          assert isinstance(_test_patching.renamed_os,   _PatchedModuleObj )
          assert isinstance(_test_patching.renamed_os.path,   _PatchedModuleObj )
          assert _test_patching.renamed_os.path.join is mock

          # check renamed_path.join
          assert isinstance(_test_patching.renamed_path,   _PatchedModuleObj )
          assert _test_patching.renamed_path.join is mock

          # check renamed_join
          assert _test_patching.renamed_join is mock

          # check that the other attributes are untouched
          assert _test_patching.renamed_os.rename is original_rename
          assert _test_patching.renamed_path.dirname is original_dirname
          assert _test_patching.renamed_os.path.dirname is original_dirname

     # check that everthing is back to normal when the patch is over

     assert _test_patching.os is original_os
     assert _test_patching.path is original_path
     assert _test_patching.join is original_join

     assert _test_patching.renamed_os is original_os
     assert _test_patching.renamed_path is original_path
     assert _test_patching.renamed_join is original_join







def    a__							(							)						->						Tuple:





     """simple docstring"""

     assert _test_patching.open is open

     _UpperCamelCase							       =			'''__test_patch_submodule_builtin_mock__'''
     # _test_patching has "open" in its globals
     assert _test_patching.open is open
     with patch_submodule(_test_patching,   '''open''',   lowercase ):
          assert _test_patching.open is mock

     # check that everthing is back to normal when the patch is over

     assert _test_patching.open is open







def    a__							(							)						->						Optional[Any]:





     """simple docstring"""

     _UpperCamelCase							       =			'''__test_patch_submodule_missing_mock__'''
     with patch_submodule(_test_patching,   '''pandas.read_csv''',   lowercase ):
          pass







def    a__							(							)						->						Optional[int]:





     """simple docstring"""

     _UpperCamelCase							       =			'''__test_patch_submodule_missing_builtin_mock__'''
     # _test_patching doesn't have "len" in its globals
     assert getattr(_test_patching,   '''len''',   lowercase ) is None
     with patch_submodule(_test_patching,   '''len''',   lowercase ):
          assert _test_patching.len is mock
     assert _test_patching.len is len







def    a__							(							)						->						Optional[Any]:





     """simple docstring"""

     _UpperCamelCase							       =			'''__test_patch_submodule_start_and_stop_mock__'''
     _UpperCamelCase							       =			patch_submodule(_test_patching,   '''open''',   lowercase )
     assert _test_patching.open is open
     patch.start()
     assert _test_patching.open is mock
     patch.stop()
     assert _test_patching.open is open







def    a__							(							)						->						List[str]:





     """simple docstring"""

     from os import rename as original_rename
     from os.path import dirname as original_dirname
     from os.path import join as original_join

     _UpperCamelCase							       =			'''__test_patch_submodule_successive_join__'''
     _UpperCamelCase							       =			'''__test_patch_submodule_successive_dirname__'''
     _UpperCamelCase							       =			'''__test_patch_submodule_successive_rename__'''
     assert _test_patching.os.path.join is original_join
     assert _test_patching.os.path.dirname is original_dirname
     assert _test_patching.os.rename is original_rename

     with patch_submodule(_test_patching,   '''os.path.join''',   lowercase ):
          with patch_submodule(_test_patching,   '''os.rename''',   lowercase ):
               with patch_submodule(_test_patching,   '''os.path.dirname''',   lowercase ):
                    assert _test_patching.os.path.join is mock_join
                    assert _test_patching.os.path.dirname is mock_dirname
                    assert _test_patching.os.rename is mock_rename

    # try another order
     with patch_submodule(_test_patching,   '''os.rename''',   lowercase ):
          with patch_submodule(_test_patching,   '''os.path.join''',   lowercase ):
               with patch_submodule(_test_patching,   '''os.path.dirname''',   lowercase ):
                    assert _test_patching.os.path.join is mock_join
                    assert _test_patching.os.path.dirname is mock_dirname
                    assert _test_patching.os.rename is mock_rename

     assert _test_patching.os.path.join is original_join
     assert _test_patching.os.path.dirname is original_dirname
     assert _test_patching.os.rename is original_rename







def    a__							(							)						->						str:





     """simple docstring"""

     _UpperCamelCase							       =			'''__test_patch_submodule_doesnt_exist_mock__'''
     with patch_submodule(_test_patching,   '''__module_that_doesn_exist__.__attribute_that_doesn_exist__''',   lowercase ):
          pass
     with patch_submodule(_test_patching,   '''os.__attribute_that_doesn_exist__''',   lowercase ):
          pass



