




import os
from argparse import ArgumentParser
from typing import List

import torch.utils.data

from datasets import Dataset, IterableDataset
from datasets.distributed import split_dataset_by_node


UpperCAmelCase_									=	4
UpperCAmelCase_									=	3





class     lowerCamelCase__(					__lowerCamelCase):
      pass




def 					lowerCamelCase__       (						A__       :					List[str]	):





       '''simple docstring'''



       for shard in shards:
              for i in range(A__	):
                     yield {"i": i, "shard": shard}




def 					lowerCamelCase__       (						):





       '''simple docstring'''



       __lowerCamelCase   =						int(os.environ["""RANK"""]	)
       __lowerCamelCase   =						int(os.environ["""WORLD_SIZE"""]	)

       __lowerCamelCase   =						ArgumentParser()
       parser.add_argument("""--streaming"""  ,			type=A__	)
       parser.add_argument("""--local_rank"""  ,			type=A__	)
       parser.add_argument("""--num_workers"""  ,			type=A__  ,			default=0	)
       __lowerCamelCase   =						parser.parse_args()
       __lowerCamelCase   =						args.streaming
       __lowerCamelCase   =						args.num_workers

       __lowerCamelCase   =						{"""shards""": [f'shard_{shard_idx}' for shard_idx in range(A__	)]}
       __lowerCamelCase   =						IterableDataset.from_generator(A__  ,			gen_kwargs=A__	)
       if not streaming:
              __lowerCamelCase   =						Dataset.from_list(list(A__	)	)

       __lowerCamelCase   =						split_dataset_by_node(A__  ,			rank=A__  ,			world_size=A__	)
       __lowerCamelCase   =						torch.utils.data.DataLoader(A__  ,			num_workers=A__	)

       __lowerCamelCase   =						NUM_SHARDS * NUM_ITEMS_PER_SHARD
       __lowerCamelCase   =						full_size // world_size
       expected_local_size += int(rank < (full_size % world_size)	)

       __lowerCamelCase   =						sum(1 for _ in dataloader	)
       if local_size != expected_local_size:
              raise FailedTestError(f'local_size {local_size} != expected_local_size {expected_local_size}'	)


if __name__ == "__main__":
       main()







from tempfile import TemporaryDirectory
from unittest import TestCase
from unittest.mock import MagicMock, patch

from transformers import AutoModel, TFAutoModel
from transformers.onnx import FeaturesManager
from transformers.testing_utils import SMALL_MODEL_IDENTIFIER, require_tf, require_torch





@require_torch
@require_tf
class     lowerCamelCase__(					__lowerCamelCase):
      def 			lowerCAmelCase__						(				self: List[Any]   ):
             __lowerCamelCase   =						SMALL_MODEL_IDENTIFIER
             __lowerCamelCase   =						"""pt"""
             __lowerCamelCase   =						"""tf"""
      def 			lowerCAmelCase__						(				self: Optional[Any]    ,       UpperCamelCase_: Optional[Any]   ):
             __lowerCamelCase   =						AutoModel.from_pretrained(self.test_model   )
             model_pt.save_pretrained(UpperCamelCase_   )
      def 			lowerCAmelCase__						(				self: Tuple    ,       UpperCamelCase_: Union[str, Any]   ):
             __lowerCamelCase   =						TFAutoModel.from_pretrained(self.test_model    ,       from_pt=UpperCamelCase_   )
             model_tf.save_pretrained(UpperCamelCase_   )
      def 			lowerCAmelCase__						(				self: Union[str, Any]   ):
             __lowerCamelCase   =						"""mock_framework"""

             # Framework provided - return whatever the user provides
             __lowerCamelCase   =						FeaturesManager.determine_framework(self.test_model    ,       UpperCamelCase_   )
             self.assertEqual(UpperCamelCase_    ,       UpperCamelCase_   )

             # Local checkpoint and framework provided - return provided framework
             # PyTorch checkpoint
             with TemporaryDirectory() as local_pt_ckpt:
                    self._setup_pt_ckpt(UpperCamelCase_   )
                    __lowerCamelCase   =						FeaturesManager.determine_framework(UpperCamelCase_    ,       UpperCamelCase_   )
                    self.assertEqual(UpperCamelCase_    ,       UpperCamelCase_   )

             # TensorFlow checkpoint
             with TemporaryDirectory() as local_tf_ckpt:
                    self._setup_tf_ckpt(UpperCamelCase_   )
                    __lowerCamelCase   =						FeaturesManager.determine_framework(UpperCamelCase_    ,       UpperCamelCase_   )
                    self.assertEqual(UpperCamelCase_    ,       UpperCamelCase_   )
      def 			lowerCAmelCase__						(				self: int   ):
             # PyTorch checkpoint
             with TemporaryDirectory() as local_pt_ckpt:
                    self._setup_pt_ckpt(UpperCamelCase_   )
                    __lowerCamelCase   =						FeaturesManager.determine_framework(UpperCamelCase_   )
                    self.assertEqual(UpperCamelCase_    ,       self.framework_pt   )

             # TensorFlow checkpoint
             with TemporaryDirectory() as local_tf_ckpt:
                    self._setup_tf_ckpt(UpperCamelCase_   )
                    __lowerCamelCase   =						FeaturesManager.determine_framework(UpperCamelCase_   )
                    self.assertEqual(UpperCamelCase_    ,       self.framework_tf   )

             # Invalid local checkpoint
             with TemporaryDirectory() as local_invalid_ckpt:
                    with self.assertRaises(UpperCamelCase_   ):
                           __lowerCamelCase   =						FeaturesManager.determine_framework(UpperCamelCase_   )




      def 			lowerCAmelCase__						(				self: Optional[int]   ):
             __lowerCamelCase   =						MagicMock(return_value=UpperCamelCase_   )
             with patch("""transformers.onnx.features.is_tf_available"""    ,       UpperCamelCase_   ):
                    __lowerCamelCase   =						FeaturesManager.determine_framework(self.test_model   )
                    self.assertEqual(UpperCamelCase_    ,       self.framework_pt   )

             # PyTorch not in environment -> use TensorFlow
             __lowerCamelCase   =						MagicMock(return_value=UpperCamelCase_   )
             with patch("""transformers.onnx.features.is_torch_available"""    ,       UpperCamelCase_   ):
                    __lowerCamelCase   =						FeaturesManager.determine_framework(self.test_model   )
                    self.assertEqual(UpperCamelCase_    ,       self.framework_tf   )

             # Both in environment -> use PyTorch
             __lowerCamelCase   =						MagicMock(return_value=UpperCamelCase_   )
             __lowerCamelCase   =						MagicMock(return_value=UpperCamelCase_   )
             with patch("""transformers.onnx.features.is_tf_available"""    ,       UpperCamelCase_   ), patch(
                 """transformers.onnx.features.is_torch_available"""    ,       UpperCamelCase_   ):
                    __lowerCamelCase   =						FeaturesManager.determine_framework(self.test_model   )
                    self.assertEqual(UpperCamelCase_    ,       self.framework_pt   )

             # Both not in environment -> raise error
             __lowerCamelCase   =						MagicMock(return_value=UpperCamelCase_   )
             __lowerCamelCase   =						MagicMock(return_value=UpperCamelCase_   )
             with patch("""transformers.onnx.features.is_tf_available"""    ,       UpperCamelCase_   ), patch(
                 """transformers.onnx.features.is_torch_available"""    ,       UpperCamelCase_   ):
                    with self.assertRaises(UpperCamelCase_   ):
                           __lowerCamelCase   =						FeaturesManager.determine_framework(self.test_model   )

