

from typing import List

import numpy as np


def 					_UpperCAmelCase       (  _SCREAMING_SNAKE_CASE					:		dict       ):





    """simple docstring"""


    SCREAMING_SNAKE_CASE_									=						{key: len(_SCREAMING_SNAKE_CASE       ) for key, value in gen_kwargs.items() if isinstance(_SCREAMING_SNAKE_CASE ,   _SCREAMING_SNAKE_CASE       )}
    if len(set(lists_lengths.values()       )       ) > 1:
        raise RuntimeError(
            (
                'Sharding is ambiguous for this dataset: '
                + 'we found several data sources lists of different lengths, and we don\'t know over which list we should parallelize:\n'
                + '\n'.join(f"""\t- key {key} has length {length}""" for key, length in lists_lengths.items()       )
                + '\nTo fix this, check the \'gen_kwargs\' and make sure to use lists only for data sources, '
                + 'and use tuples otherwise. In the end there should only be one single list, or several lists with the same length.'
            )       )
    SCREAMING_SNAKE_CASE_									=						max(lists_lengths.values() ,   default=0       )
    return max(1 ,   _SCREAMING_SNAKE_CASE       )


def 					_UpperCAmelCase       (  _SCREAMING_SNAKE_CASE					:		int ,   _SCREAMING_SNAKE_CASE					:		int       ):





    """simple docstring"""


    SCREAMING_SNAKE_CASE_									=						[]
    for group_idx in range(_SCREAMING_SNAKE_CASE       ):
        SCREAMING_SNAKE_CASE_									=						num_shards // max_num_jobs + (group_idx < (num_shards % max_num_jobs))
        if num_shards_to_add == 0:
            break
        SCREAMING_SNAKE_CASE_									=						shards_indices_per_group[-1].stop if shards_indices_per_group else 0
        SCREAMING_SNAKE_CASE_									=						range(_SCREAMING_SNAKE_CASE ,   start + num_shards_to_add       )
        shards_indices_per_group.append(_SCREAMING_SNAKE_CASE       )
    return shards_indices_per_group


def 					_UpperCAmelCase       (  _SCREAMING_SNAKE_CASE					:		dict ,   _SCREAMING_SNAKE_CASE					:		int       ):





    """simple docstring"""


    SCREAMING_SNAKE_CASE_									=						_number_of_shards_in_gen_kwargs(_SCREAMING_SNAKE_CASE       )
    if num_shards == 1:
        return [dict(_SCREAMING_SNAKE_CASE       )]
    else:
        SCREAMING_SNAKE_CASE_									=						_distribute_shards(num_shards=_SCREAMING_SNAKE_CASE ,   max_num_jobs=_SCREAMING_SNAKE_CASE       )
        return [
            {
                key: [value[shard_idx] for shard_idx in shard_indices_per_group[group_idx]]
                if isinstance(_SCREAMING_SNAKE_CASE ,   _SCREAMING_SNAKE_CASE       )
                else value
                for key, value in gen_kwargs.items()
            }
            for group_idx in range(len(_SCREAMING_SNAKE_CASE       )       )
        ]


def 					_UpperCAmelCase       (  _SCREAMING_SNAKE_CASE					:		List[dict]       ):





    """simple docstring"""


    return {
        key: [value for gen_kwargs in gen_kwargs_list for value in gen_kwargs[key]]
        if isinstance(gen_kwargs_list[0][key] ,   _SCREAMING_SNAKE_CASE       )
        else gen_kwargs_list[0][key]
        for key in gen_kwargs_list[0]
    }





def 					_UpperCAmelCase       (  _SCREAMING_SNAKE_CASE					:		np.random.Generator ,   _SCREAMING_SNAKE_CASE					:		dict       ):





    """simple docstring"""


    SCREAMING_SNAKE_CASE_									=						{len(_SCREAMING_SNAKE_CASE       ) for value in gen_kwargs.values() if isinstance(_SCREAMING_SNAKE_CASE ,   _SCREAMING_SNAKE_CASE       )}
    SCREAMING_SNAKE_CASE_									=						{}
    for size in list_sizes:
        SCREAMING_SNAKE_CASE_									=						list(range(_SCREAMING_SNAKE_CASE       )       )
        rng.shuffle(indices_per_size[size]       )
    # Now let's copy the gen_kwargs and shuffle the lists based on their sizes
    SCREAMING_SNAKE_CASE_									=						dict(_SCREAMING_SNAKE_CASE       )
    for key, value in shuffled_kwargs.items():
        if isinstance(_SCREAMING_SNAKE_CASE ,   _SCREAMING_SNAKE_CASE       ):
            SCREAMING_SNAKE_CASE_									=						[value[i] for i in indices_per_size[len(_SCREAMING_SNAKE_CASE       )]]
    return shuffled_kwargs





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

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

  __lowerCAmelCase     :	Optional[int]						 =  Path('tests/test_configs'       )

  @classmethod
  def 						lowerCAmelCase__     (					cls):
      if cls.config_path.is_file():
          cls.config_path.rename(cls.changed_path)

  @classmethod
  def 						lowerCAmelCase__     (					cls):
      if cls.changed_path.is_file():
          cls.changed_path.rename(cls.config_path)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						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 						lowerCAmelCase__     (					self):
      for config in sorted(self.test_config_path.glob('**/*.yaml')):
          with self.subTest(config_file=_A):
              execute_subprocess_async(
                  self.base_cmd + ['--config_file', str(_A), self.test_file_path]						,		env=os.environ.copy())


  def 						lowerCAmelCase__     (					self):
      execute_subprocess_async(['accelerate', 'test']						,		env=os.environ.copy())






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

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd
          + ['--command', self.command, '--tpu_zone', self.tpu_zone, '--tpu_name', self.tpu_name, '--debug']						,		return_stdout=_A						,		)
      self.assertIn(
          f"""{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						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=_A						,		)
      self.assertIn(
          f"""{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd + ['--config_file', 'tests/test_configs/latest.yaml', '--debug']						,		return_stdout=_A)
      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"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd + ['--config_file', 'tests/test_configs/latest.yaml', '--command', self.command, '--debug']						,		return_stdout=_A						,		)
      self.assertIn(
          f"""{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd
          + [
              '--config_file',
              'tests/test_configs/latest.yaml',
              '--command',
              self.command,
              '--command',
              'echo "Hello World"',
              '--debug',
          ]						,		return_stdout=_A						,		)
      self.assertIn(
          f"""{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls; echo \"Hello World\" --worker all"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd
          + ['--config_file', 'tests/test_configs/latest.yaml', '--command_file', self.command_file, '--debug']						,		return_stdout=_A						,		)
      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"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						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=_A						,		)
      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"""						,		_A						,		)

  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd + ['--config_file', 'tests/test_configs/latest.yaml', '--install_accelerate', '--debug']						,		return_stdout=_A						,		)
      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"""						,		_A						,		)


  def 						lowerCAmelCase__     (					self):
      SCREAMING_SNAKE_CASE_									=						run_command(
          self.cmd
          + [
              '--config_file',
              'tests/test_configs/latest.yaml',
              '--install_accelerate',
              '--accelerate_version',
              '12.0.0',
              '--debug',
          ]						,		return_stdout=_A						,		)
      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"""						,		_A						,		)


