import asyncio
import os
import shutil
import subprocess
import sys
import tempfile
import unittest
from distutils.util import strtobool
from functools import partial
from pathlib import Path
from typing import List, Union
from unittest import mock

import torch

from ..state import AcceleratorState, PartialState
from ..utils import (
    gather,
    is_bnb_available,
    is_comet_ml_available,
    is_datasets_available,
    is_deepspeed_available,
    is_mps_available,
    is_safetensors_available,
    is_tensorboard_available,
    is_torch_version,
    is_tpu_available,
    is_transformers_available,
    is_wandb_available,
    is_xpu_available,
)




def   lowerCAmelCase_					(	__A,    __A=False				)	->							List[str]:







      '''simple docstring'''


      try:
            UpperCAmelCase__								=    os.environ[key]
      except KeyError:
            # KEY isn't set, default to `default`.
            UpperCAmelCase__								=    default
      else:
            # KEY is set, convert it to True or False.
            try:
                  UpperCAmelCase__								=    strtobool(_lowercase				)
            except ValueError:
                  # More values are supported, but let's keep the message simple.
                  raise ValueError(f"""If set, {key} must be yes or no."""				)
      return _value


UpperCamelCase__											=   parse_flag_from_env('RUN_SLOW', default=False)




def   lowerCAmelCase_					(	__A				)	->							str:







      '''simple docstring'''


      return unittest.skip("Test was skipped"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							List[str]:







      '''simple docstring'''


      return unittest.skipUnless(_run_slow_tests,    "test is slow"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Optional[int]:







      '''simple docstring'''


      return unittest.skipUnless(not torch.cuda.is_available(),    "test requires only a CPU"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Dict:







      '''simple docstring'''


      return unittest.skipUnless(torch.cuda.is_available(),    "test requires a GPU"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							str:







      '''simple docstring'''


      return unittest.skipUnless(is_xpu_available(),    "test requires a XPU"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Dict:







      '''simple docstring'''


      return unittest.skipUnless(is_mps_available(),    "test requires a `mps` backend support in `torch`"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							str:







      '''simple docstring'''


      return unittest.skipUnless(
          is_transformers_available() and is_datasets_available(),    "test requires the Hugging Face suite"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Union[str, Any]:







      '''simple docstring'''


      return unittest.skipUnless(is_bnb_available(),    "test requires the bitsandbytes library"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Dict:







      '''simple docstring'''


      return unittest.skipUnless(is_tpu_available(),    "test requires TPU"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Optional[Any]:







      '''simple docstring'''


      return unittest.skipUnless(torch.cuda.device_count() == 1,    "test requires a GPU"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							int:







      '''simple docstring'''


      return unittest.skipUnless(torch.xpu.device_count() == 1,    "test requires a XPU"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Optional[int]:







      '''simple docstring'''


      return unittest.skipUnless(torch.cuda.device_count() > 1,    "test requires multiple GPUs"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							str:







      '''simple docstring'''


      return unittest.skipUnless(torch.xpu.device_count() > 1,    "test requires multiple XPUs"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Dict:







      '''simple docstring'''


      return unittest.skipUnless(is_safetensors_available(),    "test requires safetensors"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							List[str]:







      '''simple docstring'''


      return unittest.skipUnless(is_deepspeed_available(),    "test requires DeepSpeed"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							int:







      '''simple docstring'''


      return unittest.skipUnless(is_torch_version(">=",    "1.12.0"				),    "test requires torch version >= 1.12.0"				)(_lowercase				)




def   lowerCAmelCase_					(	__A=None,    __A=None				)	->							str:







      '''simple docstring'''


      if test_case is None:
            return partial(_lowercase,    version=_lowercase				)
      return unittest.skipUnless(is_torch_version(">=",    _lowercase				),    f"""test requires torch version >= {version}"""				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							Any:







      '''simple docstring'''


      return unittest.skipUnless(is_tensorboard_available(),    "test requires Tensorboard"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							List[str]:







      '''simple docstring'''


      return unittest.skipUnless(is_wandb_available(),    "test requires wandb"				)(_lowercase				)




def   lowerCAmelCase_					(	__A				)	->							List[str]:







      '''simple docstring'''


      return unittest.skipUnless(is_comet_ml_available(),    "test requires comet_ml"				)(_lowercase				)


UpperCamelCase__											=   (
    any([is_wandb_available(), is_tensorboard_available()]) and not is_comet_ml_available()
)




def   lowerCAmelCase_					(	__A				)	->							Optional[Any]:







      '''simple docstring'''


      return unittest.skipUnless(
          _atleast_one_tracker_available,    "test requires at least one tracker to be available and for `comet_ml` to not be installed",    )(_lowercase				)





class 	A				(							unittest.TestCase	):
   __UpperCAmelCase					:					Optional[Any]    =     True


   @classmethod
   def      lowercase_ (cls	:		Optional[Any]						)		->							Tuple:
         """simple docstring"""



         UpperCAmelCase__								=    tempfile.mkdtemp()


   @classmethod
   def      lowercase_ (cls	:		Dict						)		->							Union[str, Any]:
         """simple docstring"""



         if os.path.exists(cls.tmpdir						):
               shutil.rmtree(cls.tmpdir						)





   def      lowercase_ (self	:		Optional[Any]						)		->							Tuple:
         """simple docstring"""



         if self.clear_on_setup:
               for path in Path(self.tmpdir						).glob("**/*"						):
                     if path.is_file():
                           path.unlink()
                     elif path.is_dir():
                           shutil.rmtree(lowerCAmelCase__						)





class 	A				(							unittest.TestCase	):


   def      lowercase_ (self	:		Dict						)		->							Any:
         """simple docstring"""



         super().tearDown()
         # Reset the state of the AcceleratorState singleton.
         AcceleratorState._reset_state()
         PartialState._reset_state()





class 	A				(							unittest.TestCase	):


   def      lowercase_ (self	:		List[str]			,    __UpperCAmelCase	:		int						)		->							List[str]:
         """simple docstring"""



         UpperCAmelCase__								=    mocks if isinstance(lowerCAmelCase__			,    (tuple, list)						) else [mocks]
         for m in self.mocks:
               m.start()
               self.addCleanup(m.stop						)




def   lowerCAmelCase_					(	__A				)	->							Dict:







      '''simple docstring'''


      UpperCAmelCase__								=    AcceleratorState()
      UpperCAmelCase__								=    tensor[None].clone().to(state.device				)
      UpperCAmelCase__								=    gather(_lowercase				).cpu()
      UpperCAmelCase__								=    tensor[0].cpu()
      for i in range(tensors.shape[0]				):
            if not torch.equal(tensors[i],    _lowercase				):
                  return False
      return True





class 	A				:


   def __init__(self	:		Any			,    __UpperCAmelCase	:		str			,    __UpperCAmelCase	:		Union[str, Any]			,    __UpperCAmelCase	:		Union[str, Any]						)		->							List[str]:
         """simple docstring"""



         UpperCAmelCase__								=    returncode
         UpperCAmelCase__								=    stdout
         UpperCAmelCase__								=    stderr




async def   lowerCAmelCase_					(	__A,    __A				)	->							int:







      '''simple docstring'''


      while True:
            UpperCAmelCase__								=    await stream.readline()
            if line:
                  callback(_lowercase				)
            else:
                  break




async def   lowerCAmelCase_					(	__A,    __A=None,    __A=None,    __A=None,    __A=False,    __A=False				)	->							_RunOutput:







      '''simple docstring'''


      if echo:
            print("\nRunning: ",    " ".join(_lowercase				)				)

      UpperCAmelCase__								=    await asyncio.create_subprocess_exec(
          cmd[0],    *cmd[1:],    stdin=_lowercase,    stdout=asyncio.subprocess.PIPE,    stderr=asyncio.subprocess.PIPE,    env=_lowercase,    )

      # note: there is a warning for a possible deadlock when using `wait` with huge amounts of data in the pipe
      # https://docs.python.org/3/library/asyncio-subprocess.html#asyncio.asyncio.subprocess.Process.wait
      #
      # If it starts hanging, will need to switch to the following code. The problem is that no data
      # will be seen until it's done and if it hangs for example there will be no debug info.
      # out, err = await p.communicate()
      # return _RunOutput(p.returncode, out, err)

      UpperCAmelCase__								=    []
      UpperCAmelCase__								=    []

      def tee(__A,    __A,    __A,    __A=""				):
            UpperCAmelCase__								=    line.decode("utf-8"				).rstrip()
            sink.append(_lowercase				)
            if not quiet:
                  print(_lowercase,    _lowercase,    file=_lowercase				)

    # XXX: the timeout doesn't seem to make any difference here
      await asyncio.wait(
          [
              asyncio.create_task(_read_stream(p.stdout,    lambda __A				: tee(_lowercase,    _lowercase,    sys.stdout,    label="stdout:"				)				)				),
              asyncio.create_task(_read_stream(p.stderr,    lambda __A				: tee(_lowercase,    _lowercase,    sys.stderr,    label="stderr:"				)				)				),
          ],    timeout=_lowercase,    )
      return _RunOutput(await p.wait(),    _lowercase,    _lowercase				)




def   lowerCAmelCase_					(	__A,    __A=None,    __A=None,    __A=180,    __A=False,    __A=True				)	->							_RunOutput:







      '''simple docstring'''


      UpperCAmelCase__								=    asyncio.get_event_loop()
      UpperCAmelCase__								=    loop.run_until_complete(
          _stream_subprocess(_lowercase,    env=_lowercase,    stdin=_lowercase,    timeout=_lowercase,    quiet=_lowercase,    echo=_lowercase				)				)

      UpperCAmelCase__								=    " ".join(_lowercase				)
      if result.returncode > 0:
            UpperCAmelCase__								=    "\n".join(result.stderr				)
            raise RuntimeError(
                f"""'{cmd_str}' failed with returncode {result.returncode}\n\n"""
                f"""The combined stderr from workers follows:\n{stderr}"""				)

      return result





class 	A				(							a__	):
   pass




def   lowerCAmelCase_					(	__A,    __A=False				)	->							List[Any]:







      '''simple docstring'''


      try:
            UpperCAmelCase__								=    subprocess.check_output(_lowercase,    stderr=subprocess.STDOUT				)
            if return_stdout:
                  if hasattr(_lowercase,    "decode"				):
                        UpperCAmelCase__								=    output.decode("utf-8"				)
                  return output
      except subprocess.CalledProcessError as e:
            raise SubprocessCallException(
                f"""Command `{" ".join(_lowercase				)}` failed with the following error:\n\n{e.output.decode()}"""				) from e










"""simple docstring"""




def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       list[int]   )					->float:






	'''simple docstring'''






	if not nums:  # Makes sure that the list is not empty
		raise ValueError("List is empty"   )

	a :						Dict      =							sum(_lowercase   ) / len(_lowercase   )  # Calculate the average
	return sum(abs(x - average   ) for x in nums   ) / len(_lowercase   )


if __name__ == "__main__":
		import doctest

		doctest.testmod()


