

# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


import warnings
from typing import List
from unittest.mock import Mock

import torch
from torch.utils.data import DataLoader, IterableDataset, TensorDataset

from accelerate.accelerator import Accelerator
from accelerate.utils.dataclasses import DistributedType






class _UpperCamelCase							(							__A   ):
   '''simple docstring'''







   def __init__(			self							: List[str]      ,      a							: Tuple	)							->       str:

    """simple docstring"""

    SCREAMING_SNAKE_CASE   :      Optional[int]				     =       data






   def __iter__(			self							: int	)							->       Optional[Any]:

    """simple docstring"""

    for element in self.data:
     yield element

def  lowerCamelCase__ (					_a=True):
 SCREAMING_SNAKE_CASE   :      Tuple				     =       Accelerator(even_batches=_a)
 assert accelerator.num_processes == 2, "this script expects that two GPUs are available"
 return accelerator

def  lowerCamelCase__ (					_a							,			_a							,			_a							,			_a = False):
 if iterable:
  SCREAMING_SNAKE_CASE   :      List[Any]				     =       DummyIterableDataset(torch.as_tensor(range(_a)))
 else:
  SCREAMING_SNAKE_CASE   :      Dict				     =       TensorDataset(torch.as_tensor(range(_a)))

 SCREAMING_SNAKE_CASE   :      List[Any]				     =       DataLoader(_a							,			batch_size=_a)
 SCREAMING_SNAKE_CASE   :      Optional[int]				     =       accelerator.prepare(_a)

 return dl

def  lowerCamelCase__ (					_a							,			_a							,			_a							,			_a							,			_a							,			):
 SCREAMING_SNAKE_CASE   :      List[str]				     =       create_dataloader(accelerator=_a							,			dataset_size=_a							,			batch_size=_a)

 SCREAMING_SNAKE_CASE   :      Optional[int]				     =       [len(batch[0]) for batch in dl]

 if accelerator.process_index == 0:
  assert batch_sizes == process_0_expected_batch_sizes
 elif accelerator.process_index == 1:
  assert batch_sizes == process_1_expected_batch_sizes

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      int				     =       create_accelerator()

 # without padding, we would expect a different number of batches
 verify_dataloader_batch_sizes(
     _a							,			dataset_size=3							,			batch_size=1							,			process_0_expected_batch_sizes=[1, 1]							,			process_1_expected_batch_sizes=[1, 1]							,			)

 # without padding, we would expect the same number of batches, but different sizes
 verify_dataloader_batch_sizes(
     _a							,			dataset_size=7							,			batch_size=2							,			process_0_expected_batch_sizes=[2, 2]							,			process_1_expected_batch_sizes=[2, 2]							,			)

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      List[str]				     =       create_accelerator(even_batches=_a)

 verify_dataloader_batch_sizes(
     _a							,			dataset_size=3							,			batch_size=1							,			process_0_expected_batch_sizes=[1, 1]							,			process_1_expected_batch_sizes=[1]							,			)

 verify_dataloader_batch_sizes(
     _a							,			dataset_size=7							,			batch_size=2							,			process_0_expected_batch_sizes=[2, 2]							,			process_1_expected_batch_sizes=[2, 1]							,			)

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      Optional[Any]				     =       create_accelerator(even_batches=_a)

 SCREAMING_SNAKE_CASE   :      str				     =       torch.nn.Linear(1							,			1)
 SCREAMING_SNAKE_CASE   :      Tuple				     =       accelerator.prepare(_a)

 SCREAMING_SNAKE_CASE   :      List[str]				     =       create_dataloader(_a							,			dataset_size=3							,			batch_size=1)

 SCREAMING_SNAKE_CASE   :      int				     =       []
 with accelerator.join_uneven_inputs([ddp_model]):
  for batch_idx, batch in enumerate(_a):
   SCREAMING_SNAKE_CASE   :      Optional[int]				     =       ddp_model(batch[0].float())
   SCREAMING_SNAKE_CASE   :      List[Any]				     =       output.sum()
   loss.backward()
   batch_idxs.append(_a)

 accelerator.wait_for_everyone()

 if accelerator.process_index == 0:
  assert batch_idxs == [0, 1]
 elif accelerator.process_index == 1:
  assert batch_idxs == [0]

def  lowerCamelCase__ (					_a):
 with warnings.catch_warnings(record=_a) as w:
  with accelerator.join_uneven_inputs([Mock()]):
   pass

  assert issubclass(w[-1].category							,			_a)
  assert "only supported for multi-GPU" in str(w[-1].message)

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      List[Any]				     =       True
 SCREAMING_SNAKE_CASE   :      str				     =       False
 SCREAMING_SNAKE_CASE   :      int				     =       create_accelerator(even_batches=_a)
 SCREAMING_SNAKE_CASE   :      Optional[int]				     =       torch.nn.Linear(1							,			1)
 SCREAMING_SNAKE_CASE   :      List[Any]				     =       accelerator.prepare(_a)
 SCREAMING_SNAKE_CASE   :      str				     =       create_dataloader(_a							,			dataset_size=3							,			batch_size=1)
 SCREAMING_SNAKE_CASE   :      Union[str, Any]				     =       create_dataloader(_a							,			dataset_size=3							,			batch_size=1)

 with accelerator.join_uneven_inputs([ddp_model]							,			even_batches=_a):
  SCREAMING_SNAKE_CASE   :      Union[str, Any]				     =       train_dl.batch_sampler.even_batches
  SCREAMING_SNAKE_CASE   :      Dict				     =       valid_dl.batch_sampler.even_batches

 assert train_dl_overridden_value == overridden_even_batches
 assert valid_dl_overridden_value == overridden_even_batches
 assert train_dl.batch_sampler.even_batches == default_even_batches
 assert valid_dl.batch_sampler.even_batches == default_even_batches

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      List[Any]				     =       True
 SCREAMING_SNAKE_CASE   :      List[Any]				     =       False
 SCREAMING_SNAKE_CASE   :      Any				     =       create_accelerator(even_batches=_a)
 SCREAMING_SNAKE_CASE   :      Tuple				     =       torch.nn.Linear(1							,			1)
 SCREAMING_SNAKE_CASE   :      str				     =       accelerator.prepare(_a)
 create_dataloader(_a							,			dataset_size=3							,			batch_size=1							,			iterable=_a)
 SCREAMING_SNAKE_CASE   :      List[str]				     =       create_dataloader(_a							,			dataset_size=3							,			batch_size=1)

 with warnings.catch_warnings():
  warnings.filterwarnings("ignore")
  try:
   with accelerator.join_uneven_inputs([ddp_model]							,			even_batches=_a):
    SCREAMING_SNAKE_CASE   :      Union[str, Any]				     =       batch_dl.batch_sampler.even_batches
  except AttributeError:
   # ensure attribute error is not raised when processing iterable dl
   raise AssertionError

 assert batch_dl_overridden_value == overridden_even_batches
 assert batch_dl.batch_sampler.even_batches == default_even_batches

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      List[str]				     =       create_accelerator()
 SCREAMING_SNAKE_CASE   :      List[str]				     =       torch.nn.Linear(1							,			1)
 SCREAMING_SNAKE_CASE   :      Optional[Any]				     =       accelerator.prepare(_a)
 create_dataloader(_a							,			dataset_size=3							,			batch_size=1							,			iterable=_a)

 with warnings.catch_warnings(record=_a) as w:
  with accelerator.join_uneven_inputs([ddp_model]							,			even_batches=_a):
   pass

  assert issubclass(w[-1].category							,			_a)
  assert "only supported for map-style datasets" in str(w[-1].message)

def  lowerCamelCase__ (					):
 SCREAMING_SNAKE_CASE   :      Optional[int]				     =       create_accelerator()

 accelerator.print("Test that even_batches variable ensures uniform batches across processes")
 test_default_ensures_even_batch_sizes()

 accelerator.print("Run tests with even_batches disabled")
 test_can_disable_even_batches()

 accelerator.print("Test joining uneven inputs")
 test_can_join_uneven_inputs()

 accelerator.print("Test overriding even_batches when joining uneven inputs")
 test_join_can_override_even_batches()

 accelerator.print("Test overriding even_batches for mixed dataloader types")
 test_join_can_override_for_mixed_type_dataloaders()

 accelerator.print("Test overriding even_batches raises a warning for iterable dataloaders")
 test_join_raises_warning_for_iterable_when_overriding_even_batches()

 accelerator.print("Test join with non DDP distributed raises warning")
 SCREAMING_SNAKE_CASE   :      str				     =       accelerator.state.distributed_type
 SCREAMING_SNAKE_CASE   :      List[Any]				     =       DistributedType.FSDP
 test_join_raises_warning_for_non_ddp_distributed(_a)
 SCREAMING_SNAKE_CASE   :      int				     =       original_state


if __name__ == "__main__":
   main()


from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


a_						     =    {
    'configuration_bridgetower': [
        'BRIDGETOWER_PRETRAINED_CONFIG_ARCHIVE_MAP',
        'BridgeTowerConfig',
        'BridgeTowerTextConfig',
        'BridgeTowerVisionConfig',
    ],
    'processing_bridgetower': ['BridgeTowerProcessor'],
}

try:
			if not is_vision_available():
						raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
			pass
else:
			a_						     =    ['BridgeTowerImageProcessor']

try:
			if not is_torch_available():
						raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
			pass
else:
			a_						     =    [
			    'BRIDGETOWER_PRETRAINED_MODEL_ARCHIVE_LIST',
			    'BridgeTowerForContrastiveLearning',
			    'BridgeTowerForImageAndTextRetrieval',
			    'BridgeTowerForMaskedLM',
			    'BridgeTowerModel',
			    'BridgeTowerPreTrainedModel',
			]


if TYPE_CHECKING:
			from .configuration_bridgetower import (
			    BRIDGETOWER_PRETRAINED_CONFIG_ARCHIVE_MAP,
			    BridgeTowerConfig,
			    BridgeTowerTextConfig,
			    BridgeTowerVisionConfig,
			)
			from .processing_bridgetower import BridgeTowerProcessor

			try:
						if not is_vision_available():
									raise OptionalDependencyNotAvailable()
			except OptionalDependencyNotAvailable:
						pass
			else:
						from .image_processing_bridgetower import BridgeTowerImageProcessor

			try:
						if not is_torch_available():
									raise OptionalDependencyNotAvailable()
			except OptionalDependencyNotAvailable:
						pass
			else:
						from .modeling_bridgetower import (
						    BRIDGETOWER_PRETRAINED_MODEL_ARCHIVE_LIST,
						    BridgeTowerForContrastiveLearning,
						    BridgeTowerForImageAndTextRetrieval,
						    BridgeTowerForMaskedLM,
						    BridgeTowerModel,
						    BridgeTowerPreTrainedModel,
						)


else:
			import sys

			a_						     =    _LazyModule(__name__, globals()['__file__'], _import_structure)