"""simple docstring"""
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__    (			_UpperCamelCase       :				Tuple ,			_UpperCamelCase       :				Any=False					)					->				int:





						"""simple docstring"""






						try:
												snake_case								=			os.environ[key]
						except KeyError:
												# KEY isn't set, default to `default`.
												snake_case								=			default
						else:
												# KEY is set, convert it to True or False.
												try:
																		snake_case								=			strtobool(_UpperCamelCase					)
												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


SCREAMING_SNAKE_CASE__      						=  parse_flag_from_env("RUN_SLOW", default=False)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Optional[int]					)					->				List[Any]:





						"""simple docstring"""






						return unittest.skip('Test was skipped'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Union[str, Any]					)					->				int:





						"""simple docstring"""






						return unittest.skipUnless(_run_slow_tests ,			'test is slow'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Dict					)					->				int:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				Tuple					)					->				Dict:





						"""simple docstring"""






						return unittest.skipUnless(torch.cuda.is_available() ,			'test requires a GPU'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Optional[int]					)					->				Optional[int]:





						"""simple docstring"""






						return unittest.skipUnless(is_xpu_available() ,			'test requires a XPU'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Dict					)					->				List[str]:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				List[Any]					)					->				Tuple:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				Dict					)					->				Optional[Any]:





						"""simple docstring"""






						return unittest.skipUnless(is_bnb_available() ,			'test requires the bitsandbytes library'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				int					)					->				Dict:





						"""simple docstring"""






						return unittest.skipUnless(is_tpu_available() ,			'test requires TPU'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				str					)					->				int:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				Optional[int]					)					->				Union[str, Any]:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				str					)					->				Union[str, Any]:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				Any					)					->				int:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				Union[str, Any]					)					->				Optional[Any]:





						"""simple docstring"""






						return unittest.skipUnless(is_safetensors_available() ,			'test requires safetensors'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Union[str, Any]					)					->				Union[str, Any]:





						"""simple docstring"""






						return unittest.skipUnless(is_deepspeed_available() ,			'test requires DeepSpeed'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Tuple					)					->				Dict:





						"""simple docstring"""






						return unittest.skipUnless(is_torch_version('>=' ,			'1.12.0'					) ,			'test requires torch version >= 1.12.0'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				List[Any]=None ,			_UpperCamelCase       :				str=None					)					->				str:





						"""simple docstring"""






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





def    lowerCAmelCase__    (			_UpperCamelCase       :				int					)					->				List[str]:





						"""simple docstring"""






						return unittest.skipUnless(is_tensorboard_available() ,			'test requires Tensorboard'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				List[str]					)					->				List[str]:





						"""simple docstring"""






						return unittest.skipUnless(is_wandb_available() ,			'test requires wandb'					)(_UpperCamelCase					)





def    lowerCAmelCase__    (			_UpperCamelCase       :				Optional[Any]					)					->				List[str]:





						"""simple docstring"""






						return unittest.skipUnless(is_comet_ml_available() ,			'test requires comet_ml'					)(_UpperCamelCase					)


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





def    lowerCAmelCase__    (			_UpperCamelCase       :				str					)					->				Tuple:





						"""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' ,			)(_UpperCamelCase					)



class   lowerCAmelCase_    (			unittest.TestCase					):



				"""simple docstring"""
				_lowerCAmelCase     :    List[str]			  =						True

				@classmethod
				def 		snake_case (				cls    ):






										"""simple docstring"""

										snake_case								=			tempfile.mkdtemp()

				@classmethod
				def 		snake_case (				cls    ):






										"""simple docstring"""

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

				def 		snake_case (				self    ):






										"""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   lowerCAmelCase_    (			unittest.TestCase					):



				"""simple docstring"""

				def 		snake_case (				self    ):






										"""simple docstring"""

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





class   lowerCAmelCase_    (			unittest.TestCase					):



				"""simple docstring"""

				def 		snake_case (				self		,    lowerCAmelCase    ):






										"""simple docstring"""

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





def    lowerCAmelCase__    (			_UpperCamelCase       :				Optional[Any]					)					->				Union[str, Any]:





						"""simple docstring"""






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



class   lowerCAmelCase_    :



				"""simple docstring"""

				def __init__(				self		,    lowerCAmelCase		,    lowerCAmelCase		,    lowerCAmelCase    ):






										"""simple docstring"""

										snake_case								=			returncode
										snake_case								=			stdout
										snake_case								=			stderr





async def    lowerCAmelCase__    (			_UpperCamelCase       :				Dict ,			_UpperCamelCase       :				Tuple					)					->				Dict:





						"""simple docstring"""






						while True:
												snake_case								=			await stream.readline()
												if line:
																		callback(_UpperCamelCase					)
												else:
																		break





async def    lowerCAmelCase__    (			_UpperCamelCase       :				Optional[int] ,			_UpperCamelCase       :				List[str]=None ,			_UpperCamelCase       :				Union[str, Any]=None ,			_UpperCamelCase       :				List[Any]=None ,			_UpperCamelCase       :				int=False ,			_UpperCamelCase       :				Tuple=False					)					->				_RunOutput:





						"""simple docstring"""






						if echo:
												print('\nRunning: ' ,			' '.join(_UpperCamelCase					)					)

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

						# 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)

						snake_case								=			[]
						snake_case								=			[]

						def tee(_UpperCamelCase       :				Optional[Any] ,			_UpperCamelCase       :				int ,			_UpperCamelCase       :				str ,			_UpperCamelCase       :				str=""					):
												snake_case								=			line.decode('utf-8'					).rstrip()
												sink.append(_UpperCamelCase					)
												if not quiet:
																		print(_UpperCamelCase ,			_UpperCamelCase ,			file=_UpperCamelCase					)

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





def    lowerCAmelCase__    (			_UpperCamelCase       :				int ,			_UpperCamelCase       :				Tuple=None ,			_UpperCamelCase       :				List[Any]=None ,			_UpperCamelCase       :				int=1_8_0 ,			_UpperCamelCase       :				Optional[Any]=False ,			_UpperCamelCase       :				Tuple=True					)					->				_RunOutput:





						"""simple docstring"""






						snake_case								=			asyncio.get_event_loop()
						snake_case								=			loop.run_until_complete(
						    _stream_subprocess(_UpperCamelCase ,			env=_UpperCamelCase ,			stdin=_UpperCamelCase ,			timeout=_UpperCamelCase ,			quiet=_UpperCamelCase ,			echo=_UpperCamelCase					)					)

						snake_case								=			' '.join(_UpperCamelCase					)
						if result.returncode > 0:
												snake_case								=			'\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   lowerCAmelCase_    (			lowerCAmelCase					):



				"""simple docstring"""
				pass





def    lowerCAmelCase__    (			_UpperCamelCase       :				List[str] ,			_UpperCamelCase       :				List[str]=False					)					->				List[str]:





						"""simple docstring"""






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



"""simple docstring"""
class   lowerCAmelCase_    (			lowerCAmelCase					):



				"""simple docstring"""
				pass





class   lowerCAmelCase_    (			lowerCAmelCase					):



				"""simple docstring"""
				pass





class   lowerCAmelCase_    :



				"""simple docstring"""

				def __init__(				self    ):






										"""simple docstring"""

										snake_case								=			[
										    [],
										    [],
										    [],
										]

				def 		snake_case (				self		,    lowerCAmelCase		,    lowerCAmelCase    ):






										"""simple docstring"""

										try:
																if len(self.queues[priority]    ) >= 1_00:
																						raise OverflowError('Maximum queue size is 100'    )
																self.queues[priority].append(lowerCAmelCase    )
										except IndexError:
																raise ValueError('Valid priorities are 0, 1, and 2'    )

				def 		snake_case (				self    ):






										"""simple docstring"""

										for queue in self.queues:
																if queue:
																						return queue.pop(0    )
										raise UnderFlowError('All queues are empty'    )

				def __str__(				self    ):






										"""simple docstring"""

										return "\n".join(F"""Priority {i}: {q}""" for i, q in enumerate(self.queues    )    )





class   lowerCAmelCase_    :



				"""simple docstring"""

				def __init__(				self    ):






										"""simple docstring"""

										snake_case								=			[]

				def 		snake_case (				self		,    lowerCAmelCase    ):






										"""simple docstring"""

										if len(self.queue    ) == 1_00:
																raise OverFlowError('Maximum queue size is 100'    )
										self.queue.append(lowerCAmelCase    )

				def 		snake_case (				self    ):






										"""simple docstring"""

										if not self.queue:
																raise UnderFlowError('The queue is empty'    )
										else:
																snake_case								=			min(self.queue    )
																self.queue.remove(lowerCAmelCase    )
																return data

				def __str__(				self    ):






										"""simple docstring"""

										return str(self.queue    )





def    lowerCAmelCase__    (			)					->				int:





						"""simple docstring"""






						snake_case								=			FixedPriorityQueue()
						fpq.enqueue(0 ,			1_0					)
						fpq.enqueue(1 ,			7_0					)
						fpq.enqueue(0 ,			1_0_0					)
						fpq.enqueue(2 ,			1					)
						fpq.enqueue(2 ,			5					)
						fpq.enqueue(1 ,			7					)
						fpq.enqueue(2 ,			4					)
						fpq.enqueue(1 ,			6_4					)
						fpq.enqueue(0 ,			1_2_8					)
						print(_UpperCamelCase					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(_UpperCamelCase					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)
						print(fpq.dequeue()					)





def    lowerCAmelCase__    (			)					->				List[str]:





						"""simple docstring"""






						snake_case								=			ElementPriorityQueue()
						epq.enqueue(1_0					)
						epq.enqueue(7_0					)
						epq.enqueue(1_0_0					)
						epq.enqueue(1					)
						epq.enqueue(5					)
						epq.enqueue(7					)
						epq.enqueue(4					)
						epq.enqueue(6_4					)
						epq.enqueue(1_2_8					)
						print(_UpperCamelCase					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(_UpperCamelCase					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)
						print(epq.dequeue()					)


if __name__ == "__main__":
					fixed_priority_queue()
					element_priority_queue()


