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)

A__           =							[
    """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   _lowerCAmelCase		(     unittest.TestCase				):







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







							def 				snake_case  (				self     :    Dict		):
										self.one_complete_example('''complete_nlp_example.py'''	,					__snake_case		)
										self.one_complete_example('''complete_nlp_example.py'''	,					__snake_case		)







							def 				snake_case  (				self     :    Optional[Any]		):
										lowerCamelCase						:Union[str, Any]						  =     os.path.abspath(os.path.join('''examples'''	,					'''cv_example.py'''		)		)
										lowerCamelCase						:Optional[int]						  =     [
										    ''' ''' * 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'''	,					__snake_case	,					__snake_case	,					__snake_case		)
										self.one_complete_example('''complete_cv_example.py'''	,					__snake_case	,					__snake_case	,					__snake_case		)


@mock.patch.dict(os.environ      ,   {'TESTING_MOCKED_DATALOADERS': '1'}				)
class   _lowerCAmelCase		(     __SCREAMING_SNAKE_CASE				):
							_UpperCAmelCase						    =     False







							@classmethod
							def 				snake_case  (				cls     :    Optional[Any]		):
										super().setUpClass()
										lowerCamelCase						:Any						  =     tempfile.mkdtemp()
										lowerCamelCase						:Optional[int]						  =     os.path.join(cls._tmpdir	,					'''default_config.yml'''		)

										write_basic_config(save_location=cls.configPath		)
										lowerCamelCase						:List[str]						  =     ['''accelerate''', '''launch''', '''--config_file''', cls.configPath]







							@classmethod
							def 				snake_case  (				cls     :    Dict		):
										super().tearDownClass()
										shutil.rmtree(cls._tmpdir		)







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







							def 				snake_case  (				self     :    List[Any]		):
										lowerCamelCase						:Tuple						  =     F"\n        examples/by_feature/checkpointing.py\n        --checkpointing_steps 1\n        --output_dir {self.tmpdir}\n        ".split()
										lowerCamelCase						:List[Any]						  =     run_command(self._launch_args + testargs		)
										self.assertTrue(os.path.exists(os.path.join(self.tmpdir	,					'''step_2'''		)		)		)







							def 				snake_case  (				self     :    List[str]		):
										lowerCamelCase						:Dict						  =     F"\n        examples/by_feature/checkpointing.py\n        --resume_from_checkpoint {os.path.join(self.tmpdir	,					'epoch_0'		)}\n        ".split()
										lowerCamelCase						:Dict						  =     run_command(self._launch_args + testargs	,					return_stdout=__snake_case		)
										self.assertNotIn('''epoch 0:'''	,					__snake_case		)
										self.assertIn('''epoch 1:'''	,					__snake_case		)







							def 				snake_case  (				self     :    str		):
										lowerCamelCase						:List[Any]						  =     F"\n        examples/by_feature/checkpointing.py\n        --resume_from_checkpoint {os.path.join(self.tmpdir	,					'step_2'		)}\n        ".split()
										lowerCamelCase						:Optional[int]						  =     run_command(self._launch_args + testargs	,					return_stdout=__snake_case		)
										if torch.cuda.is_available():
													lowerCamelCase						:Union[str, Any]						  =     torch.cuda.device_count()
										else:
													lowerCamelCase						:Dict						  =     1
										if num_processes > 1:
													self.assertNotIn('''epoch 0:'''	,					__snake_case		)
													self.assertIn('''epoch 1:'''	,					__snake_case		)
										else:
													self.assertIn('''epoch 0:'''	,					__snake_case		)
													self.assertIn('''epoch 1:'''	,					__snake_case		)







							@slow
							def 				snake_case  (				self     :    Any		):
										lowerCamelCase						:Tuple						  =     '''
        examples/by_feature/cross_validation.py
        --num_folds 2
        '''.split()
										with mock.patch.dict(os.environ	,					{'''TESTING_MOCKED_DATALOADERS''': '''0'''}		):
													lowerCamelCase						:Dict						  =     run_command(self._launch_args + testargs	,					return_stdout=__snake_case		)
													lowerCamelCase						:Tuple						  =     re.findall('''({.+})'''	,					__snake_case		)
													lowerCamelCase						:Optional[Any]						  =     [r for r in results if '''accuracy''' in r][-1]
													lowerCamelCase						:List[str]						  =     ast.literal_eval(__snake_case		)
													self.assertGreaterEqual(results['''accuracy''']	,					0.7_5		)







							def 				snake_case  (				self     :    int		):
										lowerCamelCase						:Dict						  =     ['''examples/by_feature/multi_process_metrics.py''']
										run_command(self._launch_args + testargs		)







							@require_trackers
							@mock.patch.dict(os.environ	,					{'''WANDB_MODE''': '''offline'''}		)
							def 				snake_case  (				self     :    Any		):
										with tempfile.TemporaryDirectory() as tmpdir:
													lowerCamelCase						:Tuple						  =     F"\n            examples/by_feature/tracking.py\n            --with_tracking\n            --project_dir {tmpdir}\n            ".split()
													run_command(self._launch_args + testargs		)
													self.assertTrue(os.path.exists(os.path.join(__snake_case	,					'''tracking'''		)		)		)







							def 				snake_case  (				self     :    Tuple		):
										lowerCamelCase						:Tuple						  =     ['''examples/by_feature/gradient_accumulation.py''']
										run_command(self._launch_args + testargs		)







							def 				snake_case  (				self     :    Optional[Any]		):
										lowerCamelCase						:int						  =     ['''examples/by_feature/local_sgd.py''']
										run_command(self._launch_args + testargs		)




def  _lowerCamelCase					(   a_				: int = 4_00_00_00):
			lowerCamelCase						:Dict						  =     [0, 1]
			lowerCamelCase						:Optional[Any]						  =     0
			while fib[i] <= n:
						fib.append(fib[i] + fib[i + 1])
						if fib[i + 2] > n:
									break
						i += 1
			lowerCamelCase						:Dict						  =     0
			for j in range(len(a_) - 1):
						if fib[j] % 2 == 0:
									total += fib[j]

			return total


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



