





'''simple docstring'''






import inspect
import os
import unittest
from pathlib import Path

import torch

import accelerate
from accelerate.test_utils import execute_subprocess_async
from accelerate.test_utils.testing import run_command




class 			UpperCAmelCase					(      unittest.TestCase       ):
      _lowercase:      Optional[Any]											=       inspect.getfile(accelerate.test_utils       )
      _lowercase:      Optional[int]											=       os.path.sep.join(mod_file.split(os.path.sep       )[:-1] + ['''scripts''', '''test_cli.py''']       )

      _lowercase:      Any											=       ['''accelerate''', '''launch''']
      _lowercase:      List[Any]											=       Path.home() / '''.cache/huggingface/accelerate'''
      _lowercase:      List[str]											=       '''default_config.yaml'''
      _lowercase:      Optional[Any]											=       config_folder / config_file
      _lowercase:      int											=       config_folder / '''_default_config.yaml'''

      _lowercase:      Optional[Any]											=       Path('''tests/test_configs'''       )




      @classmethod
      def     lowercase__   (      cls      :			int  )    ->				str:
            if cls.config_path.is_file():
                  cls.config_path.rename(cls.changed_path  )




      @classmethod
      def     lowercase__   (      cls      :			int  )    ->				Dict:
            if cls.changed_path.is_file():
                  cls.changed_path.rename(cls.config_path  )




      def     lowercase__   (      self      :			Union[str, Any]  )    ->				int:
            _lowerCAmelCase												=							self.base_cmd
            if torch.cuda.is_available() and (torch.cuda.device_count() > 1):
                  cmd += ["--multi_gpu"]
            execute_subprocess_async(cmd + [self.test_file_path]      ,      env=os.environ.copy()  )




      def     lowercase__   (      self      :			Union[str, Any]  )    ->				Dict:
            for config in sorted(self.test_config_path.glob("""**/*.yaml"""  )  ):
                  with self.subTest(config_file=__snake_case  ):
                        execute_subprocess_async(
                            self.base_cmd + ["""--config_file""", str(__snake_case  ), self.test_file_path]      ,      env=os.environ.copy()  )




      def     lowercase__   (      self      :			str  )    ->				Tuple:
            execute_subprocess_async(["""accelerate""", """test"""]      ,      env=os.environ.copy()  )




class 			UpperCAmelCase					(      unittest.TestCase       ):
      _lowercase:      List[Any]											=       '''test-tpu'''
      _lowercase:      Optional[Any]											=       '''us-central1-a'''
      _lowercase:      Optional[Any]											=       '''ls'''
      _lowercase:      List[str]											=       ['''accelerate''', '''tpu-config''']
      _lowercase:      List[Any]											=       '''cd /usr/share'''
      _lowercase:      Tuple											=       '''tests/test_samples/test_command_file.sh'''
      _lowercase:      Optional[Any]											=       '''Running gcloud compute tpus tpu-vm ssh'''




      def     lowercase__   (      self      :			Any  )    ->				str:
            _lowerCAmelCase												=							run_command(
                self.cmd
                + ["""--command""", self.command, """--tpu_zone""", self.tpu_zone, """--tpu_name""", self.tpu_name, """--debug"""]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			Dict  )    ->				int:
            _lowerCAmelCase												=							run_command(
                self.cmd
                + [
                    """--config_file""",
                    """tests/test_configs/0_12_0.yaml""",
                    """--command""",
                    self.command,
                    """--tpu_zone""",
                    self.tpu_zone,
                    """--tpu_name""",
                    self.tpu_name,
                    """--debug""",
                ]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			Union[str, Any]  )    ->				Optional[Any]:
            _lowerCAmelCase												=							run_command(
                self.cmd + ["""--config_file""", """tests/test_configs/latest.yaml""", """--debug"""]      ,      return_stdout=__snake_case  )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; echo \"hello world\"; echo \"this is a second command\" --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			Union[str, Any]  )    ->				List[Any]:
            _lowerCAmelCase												=							run_command(
                self.cmd + ["""--config_file""", """tests/test_configs/latest.yaml""", """--command""", self.command, """--debug"""]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			List[str]  )    ->				Union[str, Any]:
            _lowerCAmelCase												=							run_command(
                self.cmd
                + [
                    """--config_file""",
                    """tests/test_configs/latest.yaml""",
                    """--command""",
                    self.command,
                    """--command""",
                    """echo \"Hello World\"""",
                    """--debug""",
                ]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls; echo \"Hello World\" --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			List[Any]  )    ->				Union[str, Any]:
            _lowerCAmelCase												=							run_command(
                self.cmd
                + ["""--config_file""", """tests/test_configs/latest.yaml""", """--command_file""", self.command_file, """--debug"""]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; echo \"hello world\"; echo \"this is a second command\" --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			Union[str, Any]  )    ->				int:
            _lowerCAmelCase												=							run_command(
                self.cmd
                + [
                    """--config_file""",
                    """tests/test_configs/0_12_0.yaml""",
                    """--command_file""",
                    self.command_file,
                    """--tpu_zone""",
                    self.tpu_zone,
                    """--tpu_name""",
                    self.tpu_name,
                    """--debug""",
                ]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; echo \"hello world\"; echo \"this is a second command\" --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			int  )    ->				Union[str, Any]:
            _lowerCAmelCase												=							run_command(
                self.cmd + ["""--config_file""", """tests/test_configs/latest.yaml""", """--install_accelerate""", """--debug"""]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; pip install accelerate -U; echo \"hello world\"; echo \"this is a second command\" --worker all"      ,      __snake_case      ,      )




      def     lowercase__   (      self      :			Optional[int]  )    ->				str:
            _lowerCAmelCase												=							run_command(
                self.cmd
                + [
                    """--config_file""",
                    """tests/test_configs/latest.yaml""",
                    """--install_accelerate""",
                    """--accelerate_version""",
                    """12.0.0""",
                    """--debug""",
                ]      ,      return_stdout=__snake_case      ,      )
            self.assertIn(
                f"{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; pip install accelerate==12.0.0; echo \"hello world\"; echo \"this is a second command\" --worker all"      ,      __snake_case      ,      )













'''simple docstring'''






import logging
import os
import threading
import time


try:
      import warnings
except ImportError:
      A__    :       Tuple              =None

try:
      import msvcrt
except ImportError:
      A__    :       str              =None

try:
      import fcntl
except ImportError:
      A__    :       Dict              =None


# Backward compatibility
# ------------------------------------------------
try:
      TimeoutError
except NameError:
      A__    :       Tuple              =OSError


# Data
# ------------------------------------------------
A__    :       Optional[Any]              =[
    '''Timeout''',
    '''BaseFileLock''',
    '''WindowsFileLock''',
    '''UnixFileLock''',
    '''SoftFileLock''',
    '''FileLock''',
]

A__    :       Union[str, Any]              ='''3.0.12'''


A__    :       Optional[Any]              =None
def        UpperCamelCase__				(		):





      """simple docstring"""


      global _logger
      _lowerCAmelCase												=							_logger or logging.getLogger(__name__  )
      return _logger




class 			UpperCAmelCase					(      snake_case_       ):




      def __init__(      self      :			Optional[int]      ,      __snake_case      :			str  )    ->				Optional[Any]:
            _lowerCAmelCase												=							lock_file
            return None




      def __str__(      self      :			Union[str, Any]  )    ->				Any:
            _lowerCAmelCase												=							f"The file lock '{self.lock_file}' could not be acquired."
            return temp




class 			UpperCAmelCase					:




      def __init__(      self      :			str      ,      __snake_case      :			str  )    ->				Tuple:
            _lowerCAmelCase												=							lock
            return None




      def __enter__(      self      :			Union[str, Any]  )    ->				Union[str, Any]:
            return self.lock




      def __exit__(      self      :			Tuple      ,      __snake_case      :			List[Any]      ,      __snake_case      :			int      ,      __snake_case      :			Optional[int]  )    ->				Union[str, Any]:
            self.lock.release()
            return None




class 			UpperCAmelCase					:




      def __init__(      self      :			List[Any]      ,      __snake_case      :			str      ,      __snake_case      :			Tuple=-1      ,      __snake_case      :			List[str]=None  )    ->				Any:
            _lowerCAmelCase												=							max_filename_length if max_filename_length is not None else 2_55
            # Hash the filename if it's too long
            _lowerCAmelCase												=							self.hash_filename_if_too_long(__snake_case      ,      __snake_case  )
            # The path to the lock file.
            _lowerCAmelCase												=							lock_file

            # The file descriptor for the *_lock_file* as it is returned by the
            # os.open() function.
            # This file lock is only NOT None, if the object currently holds the
            # lock.
            _lowerCAmelCase												=							None

            # The default timeout value.
            _lowerCAmelCase												=							timeout

            # We use this lock primarily for the lock counter.
            _lowerCAmelCase												=							threading.Lock()

            # The lock counter is used for implementing the nested locking
            # mechanism. Whenever the lock is acquired, the counter is increased and
            # the lock is only released, when this value is 0 again.
            _lowerCAmelCase												=							0
            return None




      @property
      def     lowercase__   (      self      :			int  )    ->				List[str]:
            return self._lock_file




      @property
      def     lowercase__   (      self      :			Dict  )    ->				List[Any]:
            return self._timeout




      @timeout.setter
      def     lowercase__   (      self      :			Tuple      ,      __snake_case      :			int  )    ->				Optional[Any]:
            _lowerCAmelCase												=							float(__snake_case  )
            return None




      def     lowercase__   (      self      :			Optional[int]  )    ->				Union[str, Any]:
            raise NotImplementedError()




      def     lowercase__   (      self      :			Optional[Any]  )    ->				Any:
            raise NotImplementedError()




      @property
      def     lowercase__   (      self      :			str  )    ->				Dict:
            return self._lock_file_fd is not None




      def     lowercase__   (      self      :			Union[str, Any]      ,      __snake_case      :			Union[str, Any]=None      ,      __snake_case      :			List[str]=0.05  )    ->				List[str]:
            # Use the default timeout, if no timeout is provided.
            if timeout is None:
                  _lowerCAmelCase												=							self.timeout

            # Increment the number right at the beginning.
            # We can still undo it, if something fails.
            with self._thread_lock:
                  self._lock_counter += 1

            _lowerCAmelCase												=							id(self  )
            _lowerCAmelCase												=							self._lock_file
            _lowerCAmelCase												=							time.time()
            try:
                  while True:
                        with self._thread_lock:
                              if not self.is_locked:
                                    logger().debug(f"Attempting to acquire lock {lock_id} on {lock_filename}"  )
                                    self._acquire()

                        if self.is_locked:
                              logger().debug(f"Lock {lock_id} acquired on {lock_filename}"  )
                              break
                        elif timeout >= 0 and time.time() - start_time > timeout:
                              logger().debug(f"Timeout on acquiring lock {lock_id} on {lock_filename}"  )
                              raise Timeout(self._lock_file  )
                        else:
                              logger().debug(
                                  f"Lock {lock_id} not acquired on {lock_filename}, waiting {poll_intervall} seconds ..."  )
                              time.sleep(__snake_case  )
            except:  # noqa
                  # Something did go wrong, so decrement the counter.
                  with self._thread_lock:
                        _lowerCAmelCase												=							max(0      ,      self._lock_counter - 1  )

                  raise
            return _Acquire_ReturnProxy(lock=self  )




      def     lowercase__   (      self      :			Dict      ,      __snake_case      :			Optional[int]=False  )    ->				Union[str, Any]:
            with self._thread_lock:
                  if self.is_locked:
                        self._lock_counter -= 1

                        if self._lock_counter == 0 or force:
                              _lowerCAmelCase												=							id(self  )
                              _lowerCAmelCase												=							self._lock_file

                              logger().debug(f"Attempting to release lock {lock_id} on {lock_filename}"  )
                              self._release()
                              _lowerCAmelCase												=							0
                              logger().debug(f"Lock {lock_id} released on {lock_filename}"  )

            return None




      def __enter__(      self      :			List[str]  )    ->				Union[str, Any]:
            self.acquire()
            return self




      def __exit__(      self      :			Union[str, Any]      ,      __snake_case      :			str      ,      __snake_case      :			Tuple      ,      __snake_case      :			Any  )    ->				int:
            self.release()
            return None




      def __del__(      self      :			Optional[Any]  )    ->				Any:
            self.release(force=__snake_case  )
            return None




      def     lowercase__   (      self      :			Optional[Any]      ,      __snake_case      :			str      ,      __snake_case      :			int  )    ->				str:
            _lowerCAmelCase												=							os.path.basename(__snake_case  )
            if len(__snake_case  ) > max_length and max_length > 0:
                  _lowerCAmelCase												=							os.path.dirname(__snake_case  )
                  _lowerCAmelCase												=							str(hash(__snake_case  )  )
                  _lowerCAmelCase												=							filename[: max_length - len(__snake_case  ) - 8] + """...""" + hashed_filename + """.lock"""
                  return os.path.join(__snake_case      ,      __snake_case  )
            else:
                  return path




class 			UpperCAmelCase					(      snake_case_       ):




      def __init__(      self      :			str      ,      __snake_case      :			Union[str, Any]      ,      __snake_case      :			Optional[int]=-1      ,      __snake_case      :			str=None  )    ->				Dict:
            from .file_utils import relative_to_absolute_path

            super().__init__(__snake_case      ,      timeout=__snake_case      ,      max_filename_length=__snake_case  )
            _lowerCAmelCase												=							"""\\\\?\\""" + relative_to_absolute_path(self.lock_file  )




      def     lowercase__   (      self      :			List[str]  )    ->				Tuple:
            _lowerCAmelCase												=							os.O_RDWR | os.O_CREAT | os.O_TRUNC

            try:
                  _lowerCAmelCase												=							os.open(self._lock_file      ,      __snake_case  )
            except OSError:
                  pass
            else:
                  try:
                        msvcrt.locking(__snake_case      ,      msvcrt.LK_NBLCK      ,      1  )
                  except OSError:
                        os.close(__snake_case  )
                  else:
                        _lowerCAmelCase												=							fd
            return None




      def     lowercase__   (      self      :			List[str]  )    ->				List[str]:
            _lowerCAmelCase												=							self._lock_file_fd
            _lowerCAmelCase												=							None
            msvcrt.locking(__snake_case      ,      msvcrt.LK_UNLCK      ,      1  )
            os.close(__snake_case  )

            try:
                  os.remove(self._lock_file  )
            # Probably another instance of the application
            # that acquired the file lock.
            except OSError:
                  pass
            return None




class 			UpperCAmelCase					(      snake_case_       ):




      def __init__(      self      :			Dict      ,      __snake_case      :			List[Any]      ,      __snake_case      :			List[Any]=-1      ,      __snake_case      :			List[str]=None  )    ->				Dict:
            _lowerCAmelCase												=							os.statvfs(os.path.dirname(__snake_case  )  ).f_namemax
            super().__init__(__snake_case      ,      timeout=__snake_case      ,      max_filename_length=__snake_case  )




      def     lowercase__   (      self      :			Optional[int]  )    ->				List[Any]:
            _lowerCAmelCase												=							os.O_RDWR | os.O_CREAT | os.O_TRUNC
            _lowerCAmelCase												=							os.open(self._lock_file      ,      __snake_case  )

            try:
                  fcntl.flock(__snake_case      ,      fcntl.LOCK_EX | fcntl.LOCK_NB  )
            except OSError:
                  os.close(__snake_case  )
            else:
                  _lowerCAmelCase												=							fd
            return None




      def     lowercase__   (      self      :			Optional[int]  )    ->				Optional[int]:
            # Do not remove the lockfile:
            #
            #   https://github.com/benediktschmitt/py-filelock/issues/31
            #   https://stackoverflow.com/questions/17708885/flock-removing-locked-file-without-race-condition
            _lowerCAmelCase												=							self._lock_file_fd
            _lowerCAmelCase												=							None
            fcntl.flock(__snake_case      ,      fcntl.LOCK_UN  )
            os.close(__snake_case  )
            return None




class 			UpperCAmelCase					(      snake_case_       ):




      def     lowercase__   (      self      :			Union[str, Any]  )    ->				Dict:
            _lowerCAmelCase												=							os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
            try:
                  _lowerCAmelCase												=							os.open(self._lock_file      ,      __snake_case  )
            except OSError:
                  pass
            else:
                  _lowerCAmelCase												=							fd
            return None




      def     lowercase__   (      self      :			Any  )    ->				Optional[Any]:
            os.close(self._lock_file_fd  )
            _lowerCAmelCase												=							None

            try:
                  os.remove(self._lock_file  )
            # The file is already deleted and that's what we want.
            except OSError:
                  pass
            return None




A__    :       Tuple              =None

if msvcrt:
      A__    :       List[Any]              =WindowsFileLock
elif fcntl:
      A__    :       Tuple              =UnixFileLock
else:
      A__    :       Tuple              =SoftFileLock

      if warnings is not None:
            warnings.warn('''only soft file lock is available''')






