



import inspect
import warnings

import torch

from .state import AcceleratorState, GradientState
from .utils import DistributedType, honor_type, is_tpu_available


if is_tpu_available(check_device=False):
      import torch_xla.core.xla_model as xm






def 						_lowerCAmelCase    (					__lowerCamelCase :  Any		,						__lowerCamelCase :  str  ):



 """simple docstring"""





 if isinstance(__lowerCamelCase		,						(list, tuple)  ):
  return honor_type(__lowerCamelCase		,						(move_to_device(__lowerCamelCase		,						__lowerCamelCase  ) for t in state)  )
 elif isinstance(__lowerCamelCase		,						__lowerCamelCase  ):
  return type(__lowerCamelCase  )({k: move_to_device(__lowerCamelCase		,						__lowerCamelCase  ) for k, v in state.items()}  )
 elif isinstance(__lowerCamelCase		,						torch.Tensor  ):
  return state.to(__lowerCamelCase  )
 return state






class    _SCREAMING_SNAKE_CASE						(torch.optim.Optimizer			):





     def __init__(							self			:				int  ,	UpperCamelCase			:				Any  ,	UpperCamelCase			:				List[str]=True  ,	UpperCamelCase			:				List[Any]=None					)->Optional[int]:
      __SCREAMING_SNAKE_CASE							:     str							=						optimizer
      __SCREAMING_SNAKE_CASE							:     Optional[Any]							=						scaler
      __SCREAMING_SNAKE_CASE							:     Any							=						AcceleratorState()
      __SCREAMING_SNAKE_CASE							:     int							=						GradientState()
      __SCREAMING_SNAKE_CASE							:     str							=						device_placement
      __SCREAMING_SNAKE_CASE							:     int							=						False
      __SCREAMING_SNAKE_CASE							:     Dict							=						None

      # Handle device placement
      if device_placement:
       __SCREAMING_SNAKE_CASE							:     List[str]							=						self.optimizer.state_dict()
       if self.accelerator_state.distributed_type == DistributedType.TPU:
        xm.send_cpu_data_to_device(UpperCamelCase  ,	self.accelerator_state.device					)
       else:
        __SCREAMING_SNAKE_CASE							:     Union[str, Any]							=						move_to_device(UpperCamelCase  ,	self.accelerator_state.device					)
       self.optimizer.load_state_dict(UpperCamelCase					)





     @property
     def 						__snake_case     (							self			:				Optional[Any]					)->List[str]:
      return self.optimizer.state





     @state.setter
     def 						__snake_case     (							self			:				Optional[int]  ,	UpperCamelCase			:				List[str]					)->Dict:
      __SCREAMING_SNAKE_CASE							:     List[str]							=						state





     @property
     def 						__snake_case     (							self			:				List[Any]					)->str:
      return self.optimizer.param_groups





     @param_groups.setter
     def 						__snake_case     (							self			:				List[str]  ,	UpperCamelCase			:				Any					)->Dict:
      __SCREAMING_SNAKE_CASE							:     Optional[int]							=						param_groups





     @property
     def 						__snake_case     (							self			:				str					)->str:
      return self.optimizer.defaults





     @defaults.setter
     def 						__snake_case     (							self			:				int  ,	UpperCamelCase			:				Tuple					)->List[str]:
      __SCREAMING_SNAKE_CASE							:     List[str]							=						defaults





     def 						__snake_case     (							self			:				Any  ,	UpperCamelCase			:				Tuple					)->Optional[int]:
      self.optimizer.add_param_group(UpperCamelCase					)





     def 						__snake_case     (							self			:				Union[str, Any]  ,	UpperCamelCase			:				Union[str, Any]					)->Dict:
      if self.accelerator_state.distributed_type == DistributedType.TPU and self.device_placement:
       xm.send_cpu_data_to_device(UpperCamelCase  ,	self.accelerator_state.device					)
      self.optimizer.load_state_dict(UpperCamelCase					)





     def 						__snake_case     (							self			:				List[str]					)->List[Any]:
      return self.optimizer.state_dict()





     def 						__snake_case     (							self			:				Optional[int]  ,	UpperCamelCase			:				Any=None					)->Any:
      if self.gradient_state.sync_gradients:
       __SCREAMING_SNAKE_CASE							:     Optional[int]							=						"set_to_none" in inspect.signature(self.optimizer.zero_grad					).parameters
       if accept_arg:
        if set_to_none is None:
         __SCREAMING_SNAKE_CASE							:     Optional[int]							=						False
        self.optimizer.zero_grad(set_to_none=UpperCamelCase					)
       else:
        if set_to_none is not None:
         raise ValueError("`set_to_none` for Optimizer.zero_grad` is not supported by this optimizer."					)
        self.optimizer.zero_grad()





     def 						__snake_case     (							self			:				Dict  ,	UpperCamelCase			:				Tuple=None					)->List[Any]:
      if self.gradient_state.sync_gradients:
       if self.accelerator_state.distributed_type == DistributedType.TPU:
        __SCREAMING_SNAKE_CASE							:     List[str]							=						{"closure": closure} if closure is not None else {}
        xm.optimizer_step(self.optimizer  ,	optimizer_args=UpperCamelCase					)
       elif self.scaler is not None:
        __SCREAMING_SNAKE_CASE							:     Optional[int]							=						False
        if self._last_scale is None:
         # `get_scale` is an async operation requiring full synchronization
         # on CPU and GPUs before finishing. As a result, we store away
         # the prior one to reduce the call overhead
         __SCREAMING_SNAKE_CASE							:     List[Any]							=						self.scaler.get_scale()
         __SCREAMING_SNAKE_CASE							:     List[Any]							=						True
        self.scaler.step(self.optimizer  ,	UpperCamelCase					)
        self.scaler.update()
        __SCREAMING_SNAKE_CASE							:     Dict							=						self.scaler.get_scale()
        if not new_scale:
         # If we reduced the loss scale, it means the optimizer step was skipped because of gradient overflow.
         __SCREAMING_SNAKE_CASE							:     Optional[Any]							=						scale_after < self._last_scale
        __SCREAMING_SNAKE_CASE							:     List[Any]							=						scale_after

       else:
        self.optimizer.step(UpperCamelCase					)





     def 						__snake_case     (							self			:				Optional[int]  ,	UpperCamelCase			:				Optional[Any]					)->Any:
      for param_group in self.optimizer.param_groups:
       __SCREAMING_SNAKE_CASE							:     Tuple							=						[parameters_map.get(UpperCamelCase  ,	UpperCamelCase					) for p in param_group["params"]]





     @property
     def 						__snake_case     (							self			:				List[Any]					)->int:
      warnings.warn(
          "The `is_overflow` property is deprecated and will be removed in version 1.0 of Accelerate use "
          "`optimizer.step_was_skipped` instead."  ,	UpperCamelCase  ,	)
      return self._is_overflow





     @property
     def 						__snake_case     (							self			:				Optional[int]					)->List[Any]:
      return self._is_overflow





     def __getstate__(							self			:				List[str]					)->List[str]:
      return self.__dict__.copy()






     def __setstate__(							self			:				Union[str, Any]  ,	UpperCamelCase			:				str					)->int:
      self.__dict__.update(UpperCamelCase					)







"""simple docstring"""


import posixpath
from pathlib import Path
from unittest.mock import patch

import pytest
from fsspec.implementations.local import AbstractFileSystem, LocalFileSystem, stringify_path
from fsspec.registry import _registry as _fsspec_registry




class 					UpperCamelCase   (							lowerCAmelCase__  ):
       SCREAMING_SNAKE_CASE_						      = "mock"







       def __init__(					self,				*lowerCAmelCase__,				lowerCAmelCase__,				**lowerCAmelCase__) -> Dict:
            super().__init__()
            snake_case_   			=   LocalFileSystem(*lowerCAmelCase__,				**lowerCAmelCase__)
            snake_case_   			=   Path(lowerCAmelCase__).resolve().as_posix() + '/'







       def 						a_		(					self,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> Any:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.mkdir(lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> str:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.makedirs(lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__) -> Union[str, Any]:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.rmdir(lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__,				lowerCAmelCase__=True,				*lowerCAmelCase__,				**lowerCAmelCase__) -> Optional[Any]:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            snake_case_   			=   self._fs.ls(lowerCAmelCase__,				detail=lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)
            if detail:
                 return [{**info, "name": info["name"][len(self.local_root_dir) :]} for info in out]
            else:
                 return [name[len(self.local_root_dir) :] for name in out]







       def 						a_		(					self,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> Dict:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            snake_case_   			=   dict(self._fs.info(lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__))
            snake_case_   			=   out['name'][len(self.local_root_dir) :]
            return out







       def 						a_		(					self,				lowerCAmelCase__,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> str:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.cp_file(lowerCAmelCase__,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> Union[str, Any]:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.rm_file(lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> List[Any]:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.rm(lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__) -> Optional[Any]:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs._open(lowerCAmelCase__,				*lowerCAmelCase__,				**lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__) -> Tuple:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.created(lowerCAmelCase__)







       def 						a_		(					self,				lowerCAmelCase__) -> int:
            snake_case_   			=   posixpath.join(self.local_root_dir,				self._strip_protocol(lowerCAmelCase__))
            return self._fs.modified(lowerCAmelCase__)







       @classmethod
       def 						a_		(					cls,				lowerCAmelCase__) -> Any:
            snake_case_   			=   stringify_path(lowerCAmelCase__)
            if path.startswith('mock://'):
                 snake_case_   			=   path[7:]
            return path




class 					UpperCamelCase   (							lowerCAmelCase__  ):
       SCREAMING_SNAKE_CASE_						      = "tmp"
       SCREAMING_SNAKE_CASE_						      = None







       def __init__(					self,				*lowerCAmelCase__,				**lowerCAmelCase__) -> str:
            assert self.tmp_dir is not None, "TmpDirFileSystem.tmp_dir is not set"
            super().__init__(*lowerCAmelCase__,				**lowerCAmelCase__,				local_root_dir=self.tmp_dir,				auto_mkdir=lowerCAmelCase__)







       @classmethod
       def 						a_		(					cls,				lowerCAmelCase__) -> List[str]:
            snake_case_   			=   stringify_path(lowerCAmelCase__)
            if path.startswith('tmp://'):
                 snake_case_   			=   path[6:]
            return path







@pytest.fixture
def    UpperCAmelCase       (						)							-> Tuple:
     snake_case_   			=   MockFileSystem
     snake_case_   			=   TmpDirFileSystem
     yield
     del _fsspec_registry["mock"]
     del _fsspec_registry["tmp"]







@pytest.fixture
def    UpperCAmelCase       (						UpperCAmelCase		,   UpperCAmelCase   )							-> Tuple:
     snake_case_   			=   tmp_path_factory.mktemp('mockfs'   )
     return MockFileSystem(local_root_dir=UpperCAmelCase		,   auto_mkdir=UpperCAmelCase   )







@pytest.fixture
def    UpperCAmelCase       (						UpperCAmelCase		,   UpperCAmelCase   )							-> int:
     snake_case_   			=   tmp_path_factory.mktemp('tmpfs'   )
     with patch.object(UpperCAmelCase		,   'tmp_dir'		,   UpperCAmelCase   ):
          yield TmpDirFileSystem()

