

"""simple docstring"""




import ast
import os
import re
import shutil
import tempfile
import unittest
from unittest import mock

import torch

from accelerate.test_utils.examples import compare_against_test
from accelerate.test_utils.testing import TempDirTestCase, require_trackers, run_command, slow
from accelerate.utils import write_basic_config


# DataLoaders built from `test_samples/MRPC` for quick testing
# Should mock `{script_name}.get_dataloaders` via:
# @mock.patch("{script_name}.get_dataloaders", mocked_dataloaders)

_lowercase					:     List[str]				 =		[
    'cross_validation.py',
    'gradient_accumulation.py',
    'local_sgd.py',
    'multi_process_metrics.py',
    'memory.py',
    'automatic_gradient_accumulation.py',
    'fsdp_with_peak_mem_tracking.py',
    'deepspeed_with_config_support.py',
    'megatron_lm_gpt_pretraining.py',
]
class 			_UpperCAmelCase					(				unittest.TestCase    ):



	def     a   (   self			:    List[Any]       ,  _lowercase			:    str       ,  _lowercase			:    bool       ,  _lowercase			:    str = None       ,  _lowercase			:    list = None		):
		__UpperCAmelCase							=      None
		__UpperCAmelCase							=      os.path.abspath(os.path.join('''examples'''       ,  '''by_feature'''		)		)
		__UpperCAmelCase							=      os.path.abspath('''examples'''		)
		for item in os.listdir(UpperCAmelCase__		):
			if item not in EXCLUDE_EXAMPLES:
				__UpperCAmelCase							=      os.path.join(UpperCAmelCase__       ,  UpperCAmelCase__		)
				if os.path.isfile(UpperCAmelCase__		) and ".py" in item_path:
					with self.subTest(
					    tested_script=UpperCAmelCase__       ,  feature_script=UpperCAmelCase__       ,  tested_section='''main()''' if parser_only else '''training_function()'''       ,  ):
						__UpperCAmelCase							=      compare_against_test(
						    os.path.join(UpperCAmelCase__       ,  UpperCAmelCase__		)       ,  UpperCAmelCase__       ,  UpperCAmelCase__       ,  UpperCAmelCase__		)
						__UpperCAmelCase							=      '''\n'''.join(UpperCAmelCase__		)
						if special_strings is not None:
							for string in special_strings:
								__UpperCAmelCase							=      diff.replace(UpperCAmelCase__       ,  ''''''		)
						self.assertEqual(UpperCAmelCase__       ,  ''''''		)



	def     a   (   self			:    Tuple		):
		self.one_complete_example('''complete_nlp_example.py'''       ,  UpperCAmelCase__		)
		self.one_complete_example('''complete_nlp_example.py'''       ,  UpperCAmelCase__		)



	def     a   (   self			:    Union[str, Any]		):
		__UpperCAmelCase							=      os.path.abspath(os.path.join('''examples'''       ,  '''cv_example.py'''		)		)
		__UpperCAmelCase							=      [
		    ''' ''' * 16 + '''{\n\n''',
		    ''' ''' * 20 + '''"accuracy": eval_metric["accuracy"],\n\n''',
		    ''' ''' * 20 + '''"f1": eval_metric["f1"],\n\n''',
		    ''' ''' * 20 + '''"train_loss": total_loss.item() / len(train_dataloader),\n\n''',
		    ''' ''' * 20 + '''"epoch": epoch,\n\n''',
		    ''' ''' * 16 + '''},\n\n''',
		    ''' ''' * 16 + '''step=epoch,\n''',
		    ''' ''' * 12,
		    ''' ''' * 8 + '''for step, batch in enumerate(active_dataloader):\n''',
		]
		self.one_complete_example('''complete_cv_example.py'''       ,  UpperCAmelCase__       ,  UpperCAmelCase__       ,  UpperCAmelCase__		)
		self.one_complete_example('''complete_cv_example.py'''       ,  UpperCAmelCase__       ,  UpperCAmelCase__       ,  UpperCAmelCase__		)






@mock.patch.dict(os.environ						,  {"TESTING_MOCKED_DATALOADERS": "1"}    )
class 			_UpperCAmelCase					(				__lowercase    ):
	a__						:      Union[str, Any]						       = False



	@classmethod
	def     a   (   cls			:    str		):
		super().setUpClass()
		__UpperCAmelCase							=      tempfile.mkdtemp()
		__UpperCAmelCase							=      os.path.join(cls._tmpdir       ,  '''default_config.yml'''		)

		write_basic_config(save_location=cls.configPath		)
		__UpperCAmelCase							=      ['''accelerate''', '''launch''', '''--config_file''', cls.configPath]



	@classmethod
	def     a   (   cls			:    Tuple		):
		super().tearDownClass()
		shutil.rmtree(cls._tmpdir		)



	def     a   (   self			:    Any		):
		__UpperCAmelCase							=      F'''
        examples/by_feature/checkpointing.py
        --checkpointing_steps epoch
        --output_dir {self.tmpdir}
        '''.split()
		run_command(self._launch_args + testargs		)
		self.assertTrue(os.path.exists(os.path.join(self.tmpdir       ,  '''epoch_0'''		)		)		)



	def     a   (   self			:    Dict		):
		__UpperCAmelCase							=      F'''
        examples/by_feature/checkpointing.py
        --checkpointing_steps 1
        --output_dir {self.tmpdir}
        '''.split()
		__UpperCAmelCase							=      run_command(self._launch_args + testargs		)
		self.assertTrue(os.path.exists(os.path.join(self.tmpdir       ,  '''step_2'''		)		)		)



	def     a   (   self			:    Union[str, Any]		):
		__UpperCAmelCase							=      F'''
        examples/by_feature/checkpointing.py
        --resume_from_checkpoint {os.path.join(self.tmpdir       ,  "epoch_0"		)}
        '''.split()
		__UpperCAmelCase							=      run_command(self._launch_args + testargs       ,  return_stdout=UpperCAmelCase__		)
		self.assertNotIn('''epoch 0:'''       ,  UpperCAmelCase__		)
		self.assertIn('''epoch 1:'''       ,  UpperCAmelCase__		)



	def     a   (   self			:    int		):
		__UpperCAmelCase							=      F'''
        examples/by_feature/checkpointing.py
        --resume_from_checkpoint {os.path.join(self.tmpdir       ,  "step_2"		)}
        '''.split()
		__UpperCAmelCase							=      run_command(self._launch_args + testargs       ,  return_stdout=UpperCAmelCase__		)
		if torch.cuda.is_available():
			__UpperCAmelCase							=      torch.cuda.device_count()
		else:
			__UpperCAmelCase							=      1
		if num_processes > 1:
			self.assertNotIn('''epoch 0:'''       ,  UpperCAmelCase__		)
			self.assertIn('''epoch 1:'''       ,  UpperCAmelCase__		)
		else:
			self.assertIn('''epoch 0:'''       ,  UpperCAmelCase__		)
			self.assertIn('''epoch 1:'''       ,  UpperCAmelCase__		)



	@slow
	def     a   (   self			:    Dict		):
		__UpperCAmelCase							=      '''\n        examples/by_feature/cross_validation.py\n        --num_folds 2\n        '''.split()
		with mock.patch.dict(os.environ       ,  {'''TESTING_MOCKED_DATALOADERS''': '''0'''}		):
			__UpperCAmelCase							=      run_command(self._launch_args + testargs       ,  return_stdout=UpperCAmelCase__		)
			__UpperCAmelCase							=      re.findall('''({.+})'''       ,  UpperCAmelCase__		)
			__UpperCAmelCase							=      [r for r in results if '''accuracy''' in r][-1]
			__UpperCAmelCase							=      ast.literal_eval(UpperCAmelCase__		)
			self.assertGreaterEqual(results['''accuracy''']       ,  0.75		)



	def     a   (   self			:    Optional[Any]		):
		__UpperCAmelCase							=      ['''examples/by_feature/multi_process_metrics.py''']
		run_command(self._launch_args + testargs		)



	@require_trackers
	@mock.patch.dict(os.environ       ,  {'''WANDB_MODE''': '''offline'''}		)
	def     a   (   self			:    Union[str, Any]		):
		with tempfile.TemporaryDirectory() as tmpdir:
			__UpperCAmelCase							=      F'''
            examples/by_feature/tracking.py
            --with_tracking
            --project_dir {tmpdir}
            '''.split()
			run_command(self._launch_args + testargs		)
			self.assertTrue(os.path.exists(os.path.join(UpperCAmelCase__       ,  '''tracking'''		)		)		)



	def     a   (   self			:    Any		):
		__UpperCAmelCase							=      ['''examples/by_feature/gradient_accumulation.py''']
		run_command(self._launch_args + testargs		)



	def     a   (   self			:    Union[str, Any]		):
		__UpperCAmelCase							=      ['''examples/by_feature/local_sgd.py''']
		run_command(self._launch_args + testargs		)




'''simple docstring'''




import os

__snake_case    						={"""I""": 1, """V""": 5, """X""": 10, """L""": 50, """C""": 100, """D""": 500, """M""": 1_000}





def 	a_					( lowerCamelCase	:     str				):
   lowerCAmelCase     =			0

   lowerCAmelCase     =			0
   while index < len(lowerCamelCase				) - 1:
      lowerCAmelCase     =			SYMBOLS[numerals[index]]
      lowerCAmelCase     =			SYMBOLS[numerals[index + 1]]
      if current_value < next_value:
         total_value -= current_value
      else:
         total_value += current_value
      index += 1
   total_value += SYMBOLS[numerals[index]]

   return total_value





def 	a_					( lowerCamelCase	:     int				):
   lowerCAmelCase     =			''

   lowerCAmelCase     =			num // 1000
   numerals += m_count * "M"
   num %= 1000

   lowerCAmelCase     =			num // 100
   if c_count == 9:
      numerals += "CM"
      c_count -= 9
   elif c_count == 4:
      numerals += "CD"
      c_count -= 4
   if c_count >= 5:
      numerals += "D"
      c_count -= 5
   numerals += c_count * "C"
   num %= 100

   lowerCAmelCase     =			num // 10
   if x_count == 9:
      numerals += "XC"
      x_count -= 9
   elif x_count == 4:
      numerals += "XL"
      x_count -= 4
   if x_count >= 5:
      numerals += "L"
      x_count -= 5
   numerals += x_count * "X"
   num %= 10

   if num == 9:
      numerals += "IX"
      num -= 9
   elif num == 4:
      numerals += "IV"
      num -= 4
   if num >= 5:
      numerals += "V"
      num -= 5
   numerals += num * "I"

   return numerals





def 	a_					( lowerCamelCase	:     str = "/p089_roman.txt"				):
   lowerCAmelCase     =			0

   with open(os.path.dirname(lowerCamelCase				) + roman_numerals_filename				) as filea:
      lowerCAmelCase     =			filea.readlines()

   for line in lines:
      lowerCAmelCase     =			line.strip()
      lowerCAmelCase     =			parse_roman_numerals(lowerCamelCase				)
      lowerCAmelCase     =			generate_roman_numerals(lowerCamelCase				)
      savings += len(lowerCamelCase				) - len(lowerCamelCase				)

   return savings


if __name__ == "__main__":
       print(F'''{solution() = }''')





