"""simple docstring"""







import inspect
import os
import unittest
from dataclasses import dataclass

import torch

from accelerate import Accelerator, DistributedDataParallelKwargs, GradScalerKwargs
from accelerate.state import AcceleratorState
from accelerate.test_utils import execute_subprocess_async, require_cuda, require_multi_gpu
from accelerate.utils import KwargsHandler

@dataclass
class 		UpperCamelCase      (   lowercase						):
				UpperCAmelCase    :				int   =		0
				UpperCAmelCase    :				bool   =		False
				UpperCAmelCase    :				float   =		3.0







class 		UpperCamelCase      (   unittest.TestCase						):



				def  _lowercase					(self    :				Optional[int])   ->     Union[str, Any]:
					# If no defaults are changed, `to_kwargs` returns an empty dict.
					self.assertDictEqual(MockClass().to_kwargs()     ,  {})
					self.assertDictEqual(MockClass(a=2).to_kwargs()     ,  {'a': 2})
					self.assertDictEqual(MockClass(a=2     ,  b=_A).to_kwargs()     ,  {'a': 2, 'b': True})
					self.assertDictEqual(MockClass(a=2     ,  c=2.25).to_kwargs()     ,  {'a': 2, 'c': 2.25})



				@require_cuda
				def  _lowercase					(self    :				int)   ->     int:
					# If no defaults are changed, `to_kwargs` returns an empty dict.
					__snake_case      :							Union[str, Any]						=			GradScalerKwargs(init_scale=10_24     ,  growth_factor=2)
					AcceleratorState._reset_state()
					__snake_case      :							int						=			Accelerator(mixed_precision='fp16'     ,  kwargs_handlers=[scaler_handler])
					print(accelerator.use_fpaa)
					__snake_case      :							Union[str, Any]						=			accelerator.scaler

					# Check the kwargs have been applied
					self.assertEqual(scaler._init_scale     ,  1_024.0)
					self.assertEqual(scaler._growth_factor     ,  2.0)

					# Check the other values are at the default
					self.assertEqual(scaler._backoff_factor     ,  0.5)
					self.assertEqual(scaler._growth_interval     ,  20_00)
					self.assertEqual(scaler._enabled     ,  _A)






				@require_multi_gpu
				def  _lowercase					(self    :				Union[str, Any])   ->     Any:
					__snake_case      :							List[Any]						=			['torchrun', f"--nproc_per_node={torch.cuda.device_count()}", inspect.getfile(self.__class__)]
					execute_subprocess_async(_A     ,  env=os.environ.copy())


if __name__ == "__main__":
	_a					:					Any=			DistributedDataParallelKwargs(bucket_cap_mb=15, find_unused_parameters=True)
	_a					:					Any=			Accelerator(kwargs_handlers=[ddp_scaler])
	_a					:					List[str]=			torch.nn.Linear(100, 200)
	_a					:					int=			accelerator.prepare(model)

	# Check the values changed in kwargs
	_a					:					int=			""
	_a					:					Tuple=			model.bucket_bytes_cap // (1_024 * 1_024)
	if observed_bucket_cap_map != 15:
		error_msg += f"Kwargs badly passed, should have `15` but found {observed_bucket_cap_map}.\n"
	if model.find_unused_parameters is not True:
		error_msg += f"Kwargs badly passed, should have `True` but found {model.find_unused_parameters}.\n"

	# Check the values of the defaults
	if model.dim != 0:
		error_msg += f"Default value not respected, should have `0` but found {model.dim}.\n"
	if model.broadcast_buffers is not True:
		error_msg += f"Default value not respected, should have `True` but found {model.broadcast_buffers}.\n"
	if model.gradient_as_bucket_view is not False:
		error_msg += f"Default value not respected, should have `False` but found {model.gradient_as_bucket_view}.\n"

	# Raise error at the end to make sure we don't stop at the first failure.
	if len(error_msg) > 0:
		raise ValueError(error_msg)






"""simple docstring"""







import subprocess
import sys

from transformers import BertConfig, BertModel, BertTokenizer, pipeline
from transformers.testing_utils import TestCasePlus, require_torch

class 		UpperCamelCase      (   lowercase						):



				@require_torch
				def  _lowercase					(self    :				Union[str, Any])   ->     Optional[Any]:
					# this test is a bit tricky since TRANSFORMERS_OFFLINE can only be changed before
					# `transformers` is loaded, and it's too late for inside pytest - so we are changing it
					# while running an external program

					# python one-liner segments

					# this must be loaded before socket.socket is monkey-patched
					__snake_case      :							Any						=			'\nfrom transformers import BertConfig, BertModel, BertTokenizer, pipeline\n        '

					__snake_case      :							Tuple						=			'\nmname = "hf-internal-testing/tiny-random-bert"\nBertConfig.from_pretrained(mname)\nBertModel.from_pretrained(mname)\nBertTokenizer.from_pretrained(mname)\npipe = pipeline(task="fill-mask", model=mname)\nprint("success")\n        '

					__snake_case      :							int						=			'\nimport socket\ndef offline_socket(*args, **kwargs): raise RuntimeError("Offline mode is enabled, we shouldn\'t access internet")\nsocket.socket = offline_socket\n        '

					# Force fetching the files so that we can use the cache
					__snake_case      :							int						=			'hf-internal-testing/tiny-random-bert'
					BertConfig.from_pretrained(_A)
					BertModel.from_pretrained(_A)
					BertTokenizer.from_pretrained(_A)
					pipeline(task='fill-mask'     ,  model=_A)

					# baseline - just load from_pretrained with normal network
					__snake_case      :							Union[str, Any]						=			[sys.executable, '-c', '\n'.join([load, run, mock])]

					# should succeed
					__snake_case      :							Union[str, Any]						=			self.get_env()
					# should succeed as TRANSFORMERS_OFFLINE=1 tells it to use local files
					__snake_case      :							str						=			'1'
					__snake_case      :							Union[str, Any]						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  0     ,  result.stderr)
					self.assertIn('success'     ,  result.stdout.decode())



				@require_torch
				def  _lowercase					(self    :				Union[str, Any])   ->     Union[str, Any]:
					# python one-liner segments
					# this must be loaded before socket.socket is monkey-patched
					__snake_case      :							Optional[Any]						=			'\nfrom transformers import BertConfig, BertModel, BertTokenizer, pipeline\n        '

					__snake_case      :							Optional[Any]						=			'\nmname = "hf-internal-testing/tiny-random-bert"\nBertConfig.from_pretrained(mname)\nBertModel.from_pretrained(mname)\nBertTokenizer.from_pretrained(mname)\npipe = pipeline(task="fill-mask", model=mname)\nprint("success")\n        '

					__snake_case      :							Union[str, Any]						=			'\nimport socket\ndef offline_socket(*args, **kwargs): raise socket.error("Faking flaky internet")\nsocket.socket = offline_socket\n        '

					# Force fetching the files so that we can use the cache
					__snake_case      :							str						=			'hf-internal-testing/tiny-random-bert'
					BertConfig.from_pretrained(_A)
					BertModel.from_pretrained(_A)
					BertTokenizer.from_pretrained(_A)
					pipeline(task='fill-mask'     ,  model=_A)

					# baseline - just load from_pretrained with normal network
					__snake_case      :							Any						=			[sys.executable, '-c', '\n'.join([load, run, mock])]

					# should succeed
					__snake_case      :							int						=			self.get_env()
					__snake_case      :							Tuple						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  0     ,  result.stderr)
					self.assertIn('success'     ,  result.stdout.decode())



				@require_torch
				def  _lowercase					(self    :				int)   ->     Any:
					# this test is a bit tricky since TRANSFORMERS_OFFLINE can only be changed before
					# `transformers` is loaded, and it's too late for inside pytest - so we are changing it
					# while running an external program

					# python one-liner segments

					# this must be loaded before socket.socket is monkey-patched
					__snake_case      :							int						=			'\nfrom transformers import BertConfig, BertModel, BertTokenizer\n        '

					__snake_case      :							int						=			'\nmname = "hf-internal-testing/tiny-random-bert-sharded"\nBertConfig.from_pretrained(mname)\nBertModel.from_pretrained(mname)\nprint("success")\n        '

					__snake_case      :							Optional[int]						=			'\nimport socket\ndef offline_socket(*args, **kwargs): raise ValueError("Offline mode is enabled")\nsocket.socket = offline_socket\n        '

					# baseline - just load from_pretrained with normal network
					__snake_case      :							Optional[Any]						=			[sys.executable, '-c', '\n'.join([load, run])]

					# should succeed
					__snake_case      :							Optional[int]						=			self.get_env()
					__snake_case      :							Dict						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  0     ,  result.stderr)
					self.assertIn('success'     ,  result.stdout.decode())

					# next emulate no network
					__snake_case      :							Optional[Any]						=			[sys.executable, '-c', '\n'.join([load, mock, run])]

					# Doesn't fail anymore since the model is in the cache due to other tests, so commenting this.
					# env["TRANSFORMERS_OFFLINE"] = "0"
					# result = subprocess.run(cmd, env=env, check=False, capture_output=True)
					# self.assertEqual(result.returncode, 1, result.stderr)

					# should succeed as TRANSFORMERS_OFFLINE=1 tells it to use local files
					__snake_case      :							Union[str, Any]						=			'1'
					__snake_case      :							str						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  0     ,  result.stderr)
					self.assertIn('success'     ,  result.stdout.decode())



				@require_torch
				def  _lowercase					(self    :				str)   ->     Dict:
					__snake_case      :							Dict						=			'\nfrom transformers import pipeline\n        '
					__snake_case      :							List[Any]						=			'\nmname = "hf-internal-testing/tiny-random-bert"\npipe = pipeline(model=mname)\n        '

					__snake_case      :							List[str]						=			'\nimport socket\ndef offline_socket(*args, **kwargs): raise socket.error("Offline mode is enabled")\nsocket.socket = offline_socket\n        '
					__snake_case      :							str						=			self.get_env()
					__snake_case      :							Tuple						=			'1'
					__snake_case      :							Tuple						=			[sys.executable, '-c', '\n'.join([load, mock, run])]
					__snake_case      :							Optional[Any]						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  1     ,  result.stderr)
					self.assertIn(
					    'You cannot infer task automatically within `pipeline` when using offline mode'     ,  result.stderr.decode().replace('\n'     ,  '')     ,  )






				@require_torch
				def  _lowercase					(self    :				int)   ->     Optional[Any]:
					__snake_case      :							int						=			'\nfrom transformers import AutoModel\n        '
					__snake_case      :							str						=			'\nmname = "hf-internal-testing/test_dynamic_model"\nAutoModel.from_pretrained(mname, trust_remote_code=True)\nprint("success")\n        '

					# baseline - just load from_pretrained with normal network
					__snake_case      :							str						=			[sys.executable, '-c', '\n'.join([load, run])]

					# should succeed
					__snake_case      :							str						=			self.get_env()
					__snake_case      :							Dict						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  0     ,  result.stderr)
					self.assertIn('success'     ,  result.stdout.decode())

					# should succeed as TRANSFORMERS_OFFLINE=1 tells it to use local files
					__snake_case      :							List[str]						=			'1'
					__snake_case      :							Optional[int]						=			subprocess.run(_A     ,  env=_A     ,  check=_A     ,  capture_output=_A)
					self.assertEqual(result.returncode     ,  0     ,  result.stderr)
					self.assertIn('success'     ,  result.stdout.decode())





