






import unittest

from transformers import is_torch_available
from transformers.testing_utils import require_sentencepiece, require_tokenizers, require_torch, slow, torch_device


if is_torch_available():
   from transformers import AutoModelForSeqaSeqLM, AutoTokenizer




@require_torch
@require_sentencepiece
@require_tokenizers
class     _lowerCAmelCase(	unittest.TestCase ):





       """simple docstring"""







       @slow
       def       _a   ( self							):
         UpperCamelCase_: Optional[int]   				=    AutoModelForSeqaSeqLM.from_pretrained('google/mt5-small'  ,      return_dict=_lowerCamelCase							).to(_lowerCamelCase							)
         UpperCamelCase_: Dict   				=    AutoTokenizer.from_pretrained('google/mt5-small'							)

         UpperCamelCase_: Dict   				=    tokenizer('Hello there'  ,      return_tensors='pt'							).input_ids
         UpperCamelCase_: Optional[Any]   				=    tokenizer('Hi I am'  ,      return_tensors='pt'							).input_ids

         UpperCamelCase_: int   				=    model(input_ids.to(_lowerCamelCase							)  ,      labels=labels.to(_lowerCamelCase							)							).loss
         UpperCamelCase_: Tuple   				=    -(labels.shape[-1] * loss.item())

         UpperCamelCase_: Any   				=    -8_4.9_1_2_7
         self.assertTrue(abs(mtf_score - EXPECTED_SCORE							) < 1e-4							)







import time
from dataclasses import dataclass
from multiprocessing import Pool
from unittest import TestCase
from unittest.mock import patch

import multiprocess
import numpy as np
import pytest

from datasets.utils.py_utils import (
    NestedDataStructure,
    asdict,
    iflatmap_unordered,
    map_nested,
    temp_seed,
    temporary_assignment,
    zip_dict,
)

from .utils import require_tf, require_torch

def   snake_case (UpperCAmelCase__  )	->    Optional[int]:  # picklable for multiprocessing
  return x.sum()

def   snake_case (UpperCAmelCase__  )	->    Any:  # picklable for multiprocessing
  return i + 1




@dataclass
class     _lowerCAmelCase:





       """simple docstring"""







       a    :		int
       a    :		str







class     _lowerCAmelCase(	UpperCAmelCase_ ):





       """simple docstring"""







       def       _a   ( self							):
         UpperCamelCase_: Optional[Any]   				=    {}
         UpperCamelCase_: List[str]   				=    []
         UpperCamelCase_: Any   				=    1
         UpperCamelCase_: Optional[int]   				=    [1, 2]
         UpperCamelCase_: List[str]   				=    {'a': 1, 'b': 2}
         UpperCamelCase_: Tuple   				=    {'a': [1, 2], 'b': [3, 4]}
         UpperCamelCase_: Optional[int]   				=    {'a': {'1': 1}, 'b': 2}
         UpperCamelCase_: Optional[Any]   				=    {'a': 1, 'b': 2, 'c': 3, 'd': 4}
         UpperCamelCase_: Tuple   				=    {}
         UpperCamelCase_: str   				=    []
         UpperCamelCase_: List[Any]   				=    2
         UpperCamelCase_: List[Any]   				=    [2, 3]
         UpperCamelCase_: Optional[Any]   				=    {'a': 2, 'b': 3}
         UpperCamelCase_: List[str]   				=    {'a': [2, 3], 'b': [4, 5]}
         UpperCamelCase_: Any   				=    {'a': {'1': 2}, 'b': 3}
         UpperCamelCase_: List[str]   				=    {'a': 2, 'b': 3, 'c': 4, 'd': 5}
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase							)  ,      _lowerCamelCase							)

         UpperCamelCase_: Optional[int]   				=    2
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)

         UpperCamelCase_: Tuple   				=    {'a': np.eye(2							), 'b': np.zeros(3							), 'c': np.ones(2							)}
         UpperCamelCase_: Tuple   				=    {'a': 2, 'b': 0, 'c': 2}
         UpperCamelCase_: str   				=    {
             'a': np.eye(2							).astype(_lowerCamelCase							),
             'b': np.zeros(3							).astype(_lowerCamelCase							),
             'c': np.ones(2							).astype(_lowerCamelCase							),
         }
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      map_numpy=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(
             {k: v.tolist() for k, v in map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      map_numpy=_lowerCamelCase							).items()}  ,      {k: v.tolist() for k, v in expected_map_nested_sna_int.items()}  ,      )
         self.assertEqual(map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      map_numpy=_lowerCamelCase  ,      num_proc=_lowerCamelCase							)  ,      _lowerCamelCase							)
         self.assertEqual(
             {k: v.tolist() for k, v in map_nested(_lowerCamelCase  ,      _lowerCamelCase  ,      map_numpy=_lowerCamelCase  ,      num_proc=_lowerCamelCase							).items()}  ,      {k: v.tolist() for k, v in expected_map_nested_sna_int.items()}  ,      )
         with self.assertRaises(_lowerCamelCase							):  # can't pickle a local lambda
           map_nested(lambda _lowerCamelCase							: x + 1  ,      _lowerCamelCase  ,      num_proc=_lowerCamelCase							)





       def       _a   ( self							):
         UpperCamelCase_: Optional[Any]   				=    {'a': 1, 'b': 2}
         UpperCamelCase_: Dict   				=    {'a': 3, 'b': 4}
         UpperCamelCase_: Optional[int]   				=    {'a': 5, 'b': 6}
         UpperCamelCase_: int   				=    sorted([('a', (1, 3, 5)), ('b', (2, 4, 6))]							)
         self.assertEqual(sorted(zip_dict(_lowerCamelCase  ,      _lowerCamelCase  ,      _lowerCamelCase							)							)  ,      _lowerCamelCase							)





       def       _a   ( self							):




         class     _lowerCAmelCase:





                """simple docstring"""







                a    :		str									='''bar'''







         UpperCamelCase_: int   				=    Foo()
         self.assertEqual(foo.my_attr  ,      'bar'							)
         with temporary_assignment(_lowerCamelCase  ,      'my_attr'  ,      'BAR'							):
           self.assertEqual(foo.my_attr  ,      'BAR'							)
         self.assertEqual(foo.my_attr  ,      'bar'							)







@pytest.mark.parametrize(
    'iterable_length, num_proc, expected_num_proc'     ,   [
        (1, None, 1),
        (1, 1, 1),
        (2, None, 1),
        (2, 1, 1),
        (2, 2, 1),
        (2, 3, 1),
        (3, 2, 1),
        (1_6, 1_6, 1_6),
        (1_6, 1_7, 1_6),
        (1_7, 1_6, 1_6),
    ]     ,   )
def   snake_case (UpperCAmelCase__     ,   UpperCAmelCase__     ,   UpperCAmelCase__  )	->    Dict:
  with patch('datasets.utils.py_utils._single_map_nested'  ) as mock_single_map_nested, patch(
      'datasets.parallel.parallel.Pool'  ) as mock_multiprocessing_pool:
    UpperCamelCase_: Any   				=    {F'''{i}''': i for i in range(UpperCAmelCase__  )}
    UpperCamelCase_: int   				=    map_nested(lambda UpperCAmelCase__  : x + 1_0     ,   UpperCAmelCase__     ,   num_proc=UpperCAmelCase__     ,   parallel_min_length=1_6  )
    if expected_num_proc == 1:
      assert mock_single_map_nested.called
      assert not mock_multiprocessing_pool.called
    else:
      assert not mock_single_map_nested.called
      assert mock_multiprocessing_pool.called
      assert mock_multiprocessing_pool.call_args[0][0] == expected_num_proc




class     _lowerCAmelCase(	UpperCAmelCase_ ):





       """simple docstring"""







       @require_tf
       def       _a   ( self							):
         import tensorflow as tf
         from tensorflow.keras import layers

         UpperCamelCase_: Dict   				=    layers.Dense(2							)

         def gen_random_output():
           UpperCamelCase_: Optional[Any]   				=    tf.random.uniform((1, 3)							)
           return model(_lowerCamelCase							).numpy()

         with temp_seed(4_2  ,      set_tensorflow=_lowerCamelCase							):
           UpperCamelCase_: int   				=    gen_random_output()
         with temp_seed(4_2  ,      set_tensorflow=_lowerCamelCase							):
           UpperCamelCase_: List[str]   				=    gen_random_output()
         UpperCamelCase_: str   				=    gen_random_output()

         np.testing.assert_equal(_lowerCamelCase  ,      _lowerCamelCase							)
         self.assertGreater(np.abs(outa - outa							).sum()  ,      0							)





       @require_torch
       def       _a   ( self							):
         import torch

         def gen_random_output():
           UpperCamelCase_: Any   				=    torch.nn.Linear(3  ,      2							)
           UpperCamelCase_: Optional[Any]   				=    torch.rand(1  ,      3							)
           return model(_lowerCamelCase							).detach().numpy()

         with temp_seed(4_2  ,      set_pytorch=_lowerCamelCase							):
           UpperCamelCase_: Dict   				=    gen_random_output()
         with temp_seed(4_2  ,      set_pytorch=_lowerCamelCase							):
           UpperCamelCase_: str   				=    gen_random_output()
         UpperCamelCase_: str   				=    gen_random_output()

         np.testing.assert_equal(_lowerCamelCase  ,      _lowerCamelCase							)
         self.assertGreater(np.abs(outa - outa							).sum()  ,      0							)





       def       _a   ( self							):
         def gen_random_output():
           return np.random.rand(1  ,      3							)

         with temp_seed(4_2							):
           UpperCamelCase_: Optional[Any]   				=    gen_random_output()
         with temp_seed(4_2							):
           UpperCamelCase_: Tuple   				=    gen_random_output()
         UpperCamelCase_: Optional[int]   				=    gen_random_output()

         np.testing.assert_equal(_lowerCamelCase  ,      _lowerCamelCase							)
         self.assertGreater(np.abs(outa - outa							).sum()  ,      0							)







@pytest.mark.parametrize('input_data'     ,   [{}]  )
def   snake_case (UpperCAmelCase__  )	->    Dict:
  UpperCamelCase_: str   				=    NestedDataStructure(UpperCAmelCase__  ).data
  assert output_data == input_data

@pytest.mark.parametrize(
    'data, expected_output'     ,   [
        ({}, []),
        ([], []),
        ('foo', ['foo']),
        (['foo', 'bar'], ['foo', 'bar']),
        ([['foo', 'bar']], ['foo', 'bar']),
        ([[['foo'], ['bar']]], ['foo', 'bar']),
        ([[['foo'], 'bar']], ['foo', 'bar']),
        ({'a': 1, 'b': 2}, [1, 2]),
        ({'a': [1, 2], 'b': [3, 4]}, [1, 2, 3, 4]),
        ({'a': [[1, 2]], 'b': [[3, 4]]}, [1, 2, 3, 4]),
        ({'a': [[1, 2]], 'b': [3, 4]}, [1, 2, 3, 4]),
        ({'a': [[[1], [2]]], 'b': [[[3], [4]]]}, [1, 2, 3, 4]),
        ({'a': [[[1], [2]]], 'b': [[3, 4]]}, [1, 2, 3, 4]),
        ({'a': [[[1], [2]]], 'b': [3, 4]}, [1, 2, 3, 4]),
        ({'a': [[[1], [2]]], 'b': [3, [4]]}, [1, 2, 3, 4]),
        ({'a': {'1': 1}, 'b': 2}, [1, 2]),
        ({'a': {'1': [1]}, 'b': 2}, [1, 2]),
        ({'a': {'1': [1]}, 'b': [2]}, [1, 2]),
    ]     ,   )
def   snake_case (UpperCAmelCase__     ,   UpperCAmelCase__  )	->    Dict:
  UpperCamelCase_: Optional[Any]   				=    NestedDataStructure(UpperCAmelCase__  ).flatten()
  assert output == expected_output

def   snake_case ()	->    Optional[int]:
  UpperCamelCase_: List[Any]   				=    A(x=1     ,   y='foobar'  )
  UpperCamelCase_: Optional[int]   				=    {'x': 1, 'y': 'foobar'}
  assert asdict(UpperCAmelCase__  ) == expected_output

  UpperCamelCase_: List[str]   				=    {'a': {'b': A(x=1_0     ,   y='foo'  )}, 'c': [A(x=2_0     ,   y='bar'  )]}
  UpperCamelCase_: Tuple   				=    {'a': {'b': {'x': 1_0, 'y': 'foo'}}, 'c': [{'x': 2_0, 'y': 'bar'}]}
  assert asdict(UpperCAmelCase__  ) == expected_output

  with pytest.raises(UpperCAmelCase__  ):
    asdict([1, A(x=1_0     ,   y='foo'  )]  )

def   snake_case (UpperCAmelCase__  )	->    Optional[Any]:
  return text.split()

def   snake_case (UpperCAmelCase__  )	->    str:
  yield (time.time(), content)
  time.sleep(2  )
  yield (time.time(), content)

def   snake_case ()	->    Union[str, Any]:
  with Pool(2  ) as pool:
    UpperCamelCase_: Optional[Any]   				=    list(iflatmap_unordered(UpperCAmelCase__     ,   _split_text     ,   kwargs_iterable=[{'text': 'hello there'}] * 1_0  )  )
    assert out.count('hello'  ) == 1_0
    assert out.count('there'  ) == 1_0
    assert len(UpperCAmelCase__  ) == 2_0

  # check multiprocess from pathos (uses dill for pickling)
  with multiprocess.Pool(2  ) as pool:
    UpperCamelCase_: Optional[int]   				=    list(iflatmap_unordered(UpperCAmelCase__     ,   _split_text     ,   kwargs_iterable=[{'text': 'hello there'}] * 1_0  )  )
    assert out.count('hello'  ) == 1_0
    assert out.count('there'  ) == 1_0
    assert len(UpperCAmelCase__  ) == 2_0

  # check that we get items as fast as possible
  with Pool(2  ) as pool:
    UpperCamelCase_: Any   				=    []
    for yield_time, content in iflatmap_unordered(
        UpperCAmelCase__     ,   _aseconds_generator_of_aitems_with_timing     ,   kwargs_iterable=[{'content': 'a'}, {'content': 'b'}]  ):
      assert yield_time < time.time() + 0.1, "we should each item directly after it was yielded"
      out.append(UpperCAmelCase__  )
    assert out.count('a'  ) == 2
    assert out.count('b'  ) == 2
    assert len(UpperCAmelCase__  ) == 4