




'''simple docstring'''


import unittest

from transformers import is_tf_available
from transformers.testing_utils import require_tf


if is_tf_available():
				import tensorflow as tf
				from tensorflow.python.eager import context
				from tensorflow.python.framework import ops

				from transformers import GradientAccumulator, create_optimizer

@require_tf
class       A   (		unittest.TestCase   ):







							def        __lowerCAmelCase      (  self	:  Dict							,      lowerCAmelCase_	:  Tuple							,      lowerCAmelCase_	:  Dict							,      lowerCAmelCase_	:  Any )      ->							Dict:


														"""simple docstring"""


														self.assertEqual(len(SCREAMING_SNAKE_CASE_ )							,      len(SCREAMING_SNAKE_CASE_ ) )
														for a, b in zip(SCREAMING_SNAKE_CASE_							,      SCREAMING_SNAKE_CASE_ ):
																					self.assertAlmostEqual(SCREAMING_SNAKE_CASE_							,      SCREAMING_SNAKE_CASE_							,      delta=SCREAMING_SNAKE_CASE_ )







							def        __lowerCAmelCase      (  self	:  str )      ->							Dict:


														"""simple docstring"""


														_a     					=    GradientAccumulator()
														accumulator([tf.constant([1.0, 2.0] )] )
														accumulator([tf.constant([-2.0, 1.0] )] )
														accumulator([tf.constant([-1.0, 2.0] )] )
														with self.assertRaises(SCREAMING_SNAKE_CASE_ ):
																					accumulator([tf.constant([1.0, 1.0] ), tf.constant([2.0, 2.0] )] )
														self.assertEqual(accumulator.step							,      3 )
														self.assertEqual(len(accumulator.gradients )							,      1 )
														self.assertListAlmostEqual(accumulator.gradients[0].numpy().tolist()							,      [-2.0, 5.0]							,      tol=1e-2 )
														accumulator.reset()
														self.assertEqual(accumulator.step							,      0 )
														self.assertListAlmostEqual(accumulator.gradients[0].numpy().tolist()							,      [0.0, 0.0]							,      tol=1e-2 )







							def        __lowerCAmelCase      (  self	:  Union[str, Any] )      ->							Optional[Any]:


														"""simple docstring"""


														_a     					=    None
														ops.enable_eager_execution_internal()
														_a     					=    tf.config.list_physical_devices('''CPU''' )
														if len(SCREAMING_SNAKE_CASE_ ) == 1:
																					tf.config.set_logical_device_configuration(
																					    physical_devices[0]							,      [tf.config.LogicalDeviceConfiguration(), tf.config.LogicalDeviceConfiguration()] )
														_a     					=    tf.config.list_logical_devices(device_type='''CPU''' )
														_a     					=    tf.distribute.MirroredStrategy(devices=devices[:2] )

														with strategy.scope():
																					_a     					=    GradientAccumulator()
																					_a     					=    tf.Variable([4.0, 3.0] )
																					_a     					=    create_optimizer(5e-5							,      10							,      5 )
																					_a     					=    tf.Variable([0.0, 0.0]							,      trainable=SCREAMING_SNAKE_CASE_ )

														def accumulate_on_replica(lowerCAmelCase_	:  Dict ):
																					accumulator([gradient] )

														def apply_on_replica():
																					optimizer.apply_gradients(list(zip(accumulator.gradients							,      [variable] ) ) )

														@tf.function
														def accumulate(lowerCAmelCase_	:  Any							,      lowerCAmelCase_	:  Optional[int] ):
																					with strategy.scope():
																												_a     					=    strategy.experimental_local_results(SCREAMING_SNAKE_CASE_ )
																												local_variables[0].assign(SCREAMING_SNAKE_CASE_ )
																												local_variables[1].assign(SCREAMING_SNAKE_CASE_ )
																												strategy.run(SCREAMING_SNAKE_CASE_							,      args=(gradient_placeholder,) )

														@tf.function
														def apply_grad():
																					with strategy.scope():
																												strategy.run(SCREAMING_SNAKE_CASE_ )

														def _check_local_values(lowerCAmelCase_	:  Tuple							,      lowerCAmelCase_	:  List[str] ):
																					_a     					=    strategy.experimental_local_results(accumulator._gradients[0] )
																					self.assertListAlmostEqual(values[0].value()							,      SCREAMING_SNAKE_CASE_							,      tol=1e-2 )
																					self.assertListAlmostEqual(values[1].value()							,      SCREAMING_SNAKE_CASE_							,      tol=1e-2 )

														accumulate([1.0, 2.0]							,      [-1.0, 1.0] )
														accumulate([3.0, -1.0]							,      [-1.0, -1.0] )
														accumulate([-2.0, 2.0]							,      [3.0, -2.0] )
														self.assertEqual(accumulator.step							,      3 )
														_check_local_values([2.0, 3.0]							,      [1.0, -2.0] )
														apply_grad()
														self.assertListAlmostEqual(variable.value()							,      [4.0, 3.0]							,      tol=1e-2 )
														accumulator.reset()
														self.assertEqual(accumulator.step							,      0 )
														_check_local_values([0.0, 0.0]							,      [0.0, 0.0] )







'''simple docstring'''


import json
from typing import List, Optional, Tuple

from tokenizers import normalizers

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging
from .tokenization_bert import BertTokenizer


_snake_case				:				Any       							=		logging.get_logger(__name__)

_snake_case				:				Any       							=		{'vocab_file': 'vocab.txt', 'tokenizer_file': 'tokenizer.json'}

_snake_case				:				List[str]       							=		{
    'vocab_file': {
        'bert-base-uncased': 'https://huggingface.co/bert-base-uncased/resolve/main/vocab.txt',
        'bert-large-uncased': 'https://huggingface.co/bert-large-uncased/resolve/main/vocab.txt',
        'bert-base-cased': 'https://huggingface.co/bert-base-cased/resolve/main/vocab.txt',
        'bert-large-cased': 'https://huggingface.co/bert-large-cased/resolve/main/vocab.txt',
        'bert-base-multilingual-uncased': (
            'https://huggingface.co/bert-base-multilingual-uncased/resolve/main/vocab.txt'
        ),
        'bert-base-multilingual-cased': 'https://huggingface.co/bert-base-multilingual-cased/resolve/main/vocab.txt',
        'bert-base-chinese': 'https://huggingface.co/bert-base-chinese/resolve/main/vocab.txt',
        'bert-base-german-cased': 'https://huggingface.co/bert-base-german-cased/resolve/main/vocab.txt',
        'bert-large-uncased-whole-word-masking': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking/resolve/main/vocab.txt'
        ),
        'bert-large-cased-whole-word-masking': (
            'https://huggingface.co/bert-large-cased-whole-word-masking/resolve/main/vocab.txt'
        ),
        'bert-large-uncased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking-finetuned-squad/resolve/main/vocab.txt'
        ),
        'bert-large-cased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-cased-whole-word-masking-finetuned-squad/resolve/main/vocab.txt'
        ),
        'bert-base-cased-finetuned-mrpc': (
            'https://huggingface.co/bert-base-cased-finetuned-mrpc/resolve/main/vocab.txt'
        ),
        'bert-base-german-dbmdz-cased': 'https://huggingface.co/bert-base-german-dbmdz-cased/resolve/main/vocab.txt',
        'bert-base-german-dbmdz-uncased': (
            'https://huggingface.co/bert-base-german-dbmdz-uncased/resolve/main/vocab.txt'
        ),
        'TurkuNLP/bert-base-finnish-cased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-cased-v1/resolve/main/vocab.txt'
        ),
        'TurkuNLP/bert-base-finnish-uncased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-uncased-v1/resolve/main/vocab.txt'
        ),
        'wietsedv/bert-base-dutch-cased': (
            'https://huggingface.co/wietsedv/bert-base-dutch-cased/resolve/main/vocab.txt'
        ),
    },
    'tokenizer_file': {
        'bert-base-uncased': 'https://huggingface.co/bert-base-uncased/resolve/main/tokenizer.json',
        'bert-large-uncased': 'https://huggingface.co/bert-large-uncased/resolve/main/tokenizer.json',
        'bert-base-cased': 'https://huggingface.co/bert-base-cased/resolve/main/tokenizer.json',
        'bert-large-cased': 'https://huggingface.co/bert-large-cased/resolve/main/tokenizer.json',
        'bert-base-multilingual-uncased': (
            'https://huggingface.co/bert-base-multilingual-uncased/resolve/main/tokenizer.json'
        ),
        'bert-base-multilingual-cased': (
            'https://huggingface.co/bert-base-multilingual-cased/resolve/main/tokenizer.json'
        ),
        'bert-base-chinese': 'https://huggingface.co/bert-base-chinese/resolve/main/tokenizer.json',
        'bert-base-german-cased': 'https://huggingface.co/bert-base-german-cased/resolve/main/tokenizer.json',
        'bert-large-uncased-whole-word-masking': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking/resolve/main/tokenizer.json'
        ),
        'bert-large-cased-whole-word-masking': (
            'https://huggingface.co/bert-large-cased-whole-word-masking/resolve/main/tokenizer.json'
        ),
        'bert-large-uncased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking-finetuned-squad/resolve/main/tokenizer.json'
        ),
        'bert-large-cased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-cased-whole-word-masking-finetuned-squad/resolve/main/tokenizer.json'
        ),
        'bert-base-cased-finetuned-mrpc': (
            'https://huggingface.co/bert-base-cased-finetuned-mrpc/resolve/main/tokenizer.json'
        ),
        'bert-base-german-dbmdz-cased': (
            'https://huggingface.co/bert-base-german-dbmdz-cased/resolve/main/tokenizer.json'
        ),
        'bert-base-german-dbmdz-uncased': (
            'https://huggingface.co/bert-base-german-dbmdz-uncased/resolve/main/tokenizer.json'
        ),
        'TurkuNLP/bert-base-finnish-cased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-cased-v1/resolve/main/tokenizer.json'
        ),
        'TurkuNLP/bert-base-finnish-uncased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-uncased-v1/resolve/main/tokenizer.json'
        ),
        'wietsedv/bert-base-dutch-cased': (
            'https://huggingface.co/wietsedv/bert-base-dutch-cased/resolve/main/tokenizer.json'
        ),
    },
}

_snake_case				:				int       							=		{
    'bert-base-uncased': 512,
    'bert-large-uncased': 512,
    'bert-base-cased': 512,
    'bert-large-cased': 512,
    'bert-base-multilingual-uncased': 512,
    'bert-base-multilingual-cased': 512,
    'bert-base-chinese': 512,
    'bert-base-german-cased': 512,
    'bert-large-uncased-whole-word-masking': 512,
    'bert-large-cased-whole-word-masking': 512,
    'bert-large-uncased-whole-word-masking-finetuned-squad': 512,
    'bert-large-cased-whole-word-masking-finetuned-squad': 512,
    'bert-base-cased-finetuned-mrpc': 512,
    'bert-base-german-dbmdz-cased': 512,
    'bert-base-german-dbmdz-uncased': 512,
    'TurkuNLP/bert-base-finnish-cased-v1': 512,
    'TurkuNLP/bert-base-finnish-uncased-v1': 512,
    'wietsedv/bert-base-dutch-cased': 512,
}

_snake_case				:				int       							=		{
    'bert-base-uncased': {'do_lower_case': True},
    'bert-large-uncased': {'do_lower_case': True},
    'bert-base-cased': {'do_lower_case': False},
    'bert-large-cased': {'do_lower_case': False},
    'bert-base-multilingual-uncased': {'do_lower_case': True},
    'bert-base-multilingual-cased': {'do_lower_case': False},
    'bert-base-chinese': {'do_lower_case': False},
    'bert-base-german-cased': {'do_lower_case': False},
    'bert-large-uncased-whole-word-masking': {'do_lower_case': True},
    'bert-large-cased-whole-word-masking': {'do_lower_case': False},
    'bert-large-uncased-whole-word-masking-finetuned-squad': {'do_lower_case': True},
    'bert-large-cased-whole-word-masking-finetuned-squad': {'do_lower_case': False},
    'bert-base-cased-finetuned-mrpc': {'do_lower_case': False},
    'bert-base-german-dbmdz-cased': {'do_lower_case': False},
    'bert-base-german-dbmdz-uncased': {'do_lower_case': True},
    'TurkuNLP/bert-base-finnish-cased-v1': {'do_lower_case': False},
    'TurkuNLP/bert-base-finnish-uncased-v1': {'do_lower_case': True},
    'wietsedv/bert-base-dutch-cased': {'do_lower_case': False},
}

class       A   (		_a   ):
							lowercase_          =    VOCAB_FILES_NAMES
							lowercase_          =    PRETRAINED_VOCAB_FILES_MAP
							lowercase_          =    PRETRAINED_INIT_CONFIGURATION
							lowercase_          =    PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							lowercase_          =    BertTokenizer







							def __init__(  self	:  str							,      lowerCAmelCase_	:  Union[str, Any]=None							,      lowerCAmelCase_	:  str=None							,      lowerCAmelCase_	:  List[Any]=True							,      lowerCAmelCase_	:  Any="[UNK]"							,      lowerCAmelCase_	:  Union[str, Any]="[SEP]"							,      lowerCAmelCase_	:  Tuple="[PAD]"							,      lowerCAmelCase_	:  Tuple="[CLS]"							,      lowerCAmelCase_	:  Optional[int]="[MASK]"							,      lowerCAmelCase_	:  Dict=True							,      lowerCAmelCase_	:  Union[str, Any]=None							,      **lowerCAmelCase_	:  Union[str, Any]							,      )      ->							Union[str, Any]:


														"""simple docstring"""


														super().__init__(
														    lowerCAmelCase_							,      tokenizer_file=lowerCAmelCase_							,      do_lower_case=lowerCAmelCase_							,      unk_token=lowerCAmelCase_							,      sep_token=lowerCAmelCase_							,      pad_token=lowerCAmelCase_							,      cls_token=lowerCAmelCase_							,      mask_token=lowerCAmelCase_							,      tokenize_chinese_chars=lowerCAmelCase_							,      strip_accents=lowerCAmelCase_							,      **lowerCAmelCase_							,      )

														_a     					=    json.loads(self.backend_tokenizer.normalizer.__getstate__() )
														if (
														    normalizer_state.get('''lowercase'''							,      lowerCAmelCase_ ) != do_lower_case
														    or normalizer_state.get('''strip_accents'''							,      lowerCAmelCase_ ) != strip_accents
														    or normalizer_state.get('''handle_chinese_chars'''							,      lowerCAmelCase_ ) != tokenize_chinese_chars
														):
																					_a     					=    getattr(lowerCAmelCase_							,      normalizer_state.pop('''type''' ) )
																					_a     					=    do_lower_case
																					_a     					=    strip_accents
																					_a     					=    tokenize_chinese_chars
																					_a     					=    normalizer_class(**lowerCAmelCase_ )

														_a     					=    do_lower_case







							def        __lowerCAmelCase      (  self	:  str							,      lowerCAmelCase_	:  Dict							,      lowerCAmelCase_	:  int=None )      ->							List[str]:


														"""simple docstring"""


														_a     					=    [self.cls_token_id] + token_ids_a + [self.sep_token_id]

														if token_ids_a:
																					output += token_ids_a + [self.sep_token_id]

														return output







							def        __lowerCAmelCase      (  self	:  Any							,      lowerCAmelCase_	:  List[int]							,      lowerCAmelCase_	:  Optional[List[int]] = None )      ->							List[int]:


														"""simple docstring"""


														_a     					=    [self.sep_token_id]
														_a     					=    [self.cls_token_id]
														if token_ids_a is None:
																					return len(cls + token_ids_a + sep ) * [0]
														return len(cls + token_ids_a + sep ) * [0] + len(token_ids_a + sep ) * [1]







							def        __lowerCAmelCase      (  self	:  List[Any]							,      lowerCAmelCase_	:  str							,      lowerCAmelCase_	:  Optional[str] = None )      ->							Tuple[str]:


														"""simple docstring"""


														_a     					=    self._tokenizer.model.save(lowerCAmelCase_							,      name=lowerCAmelCase_ )
														return tuple(lowerCAmelCase_ )

