

import comet  # From: unbabel-comet
import torch

import datasets


lowercase_             =     datasets.logging.get_logger(__name__)

lowercase_             =     '\\n@inproceedings{rei-EtAl:2020:WMT,\n   author    = {Rei, Ricardo  and  Stewart, Craig  and  Farinha, Ana C  and  Lavie, Alon},\n   title     = {Unbabel\'s Participation in the WMT20 Metrics Shared Task},\n   booktitle      = {Proceedings of the Fifth Conference on Machine Translation},\n   month          = {November},\n   year           = {2020},\n   address        = {Online},\n   publisher      = {Association for Computational Linguistics},\n   pages     = {909--918},\n}\n@inproceedings{rei-etal-2020-comet,\n   title = "{COMET}: A Neural Framework for {MT} Evaluation",\n   author = "Rei, Ricardo  and\n      Stewart, Craig  and\n      Farinha, Ana C  and\n      Lavie, Alon",\n   booktitle = "Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP)",\n   month = nov,\n   year = "2020",\n   address = "Online",\n   publisher = "Association for Computational Linguistics",\n   url = "https://www.aclweb.org/anthology/2020.emnlp-main.213",\n   pages = "2685--2702",\n}\n'

lowercase_             =     '\\nCrosslingual Optimized Metric for Evaluation of Translation (COMET) is an open-source framework used to train Machine Translation metrics that achieve high levels of correlation with different types of human judgments (HTER, DA\'s or MQM).\nWith the release of the framework the authors also released fully trained models that were used to compete in the WMT20 Metrics Shared Task achieving SOTA in that years competition.\n\nSee the [README.md] file at https://unbabel.github.io/COMET/html/models.html for more information.\n'

lowercase_             =     '\nCOMET score.\n\nArgs:\n\n`sources` (list of str): Source sentences\n`predictions` (list of str): candidate translations\n`references` (list of str): reference translations\n`cuda` (bool): If set to True, runs COMET using GPU\n`show_progress` (bool): Shows progress\n`model`: COMET model to be used. Will default to `wmt-large-da-estimator-1719` if None.\n\nReturns:\n    `samples`: List of dictionaries with `src`, `mt`, `ref` and `score`.\n    `scores`: List of scores.\n\nExamples:\n\n    >>> comet_metric = datasets.load_metric(\'comet\')\n    >>> # comet_metric = load_metric(\'comet\', \'wmt20-comet-da\')  # you can also choose which model to use\n    >>> source = ["Dem Feuer konnte Einhalt geboten werden", "Schulen und Kindergärten wurden eröffnet."]\n    >>> hypothesis = ["The fire could be stopped", "Schools and kindergartens were open"]\n    >>> reference = ["They were able to control the fire.", "Schools and kindergartens opened"]\n    >>> results = comet_metric.compute(predictions=hypothesis, references=reference, sources=source)\n    >>> print([round(v, 2) for v in results["scores"]])\n    [0.19, 0.92]\n'





@datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION    ,    _KWARGS_DESCRIPTION							)
class 				__lowerCAmelCase  (      datasets.Metric							):




  def 						A__  (       self      )						->				str:
        '''simple docstring'''






        return datasets.MetricInfo(
            description=_DESCRIPTION							,     citation=_CITATION							,     homepage='https://unbabel.github.io/COMET/html/index.html'							,     inputs_description=_KWARGS_DESCRIPTION							,     features=datasets.Features(
                {
                    'sources': datasets.Value('string'							,     id='sequence'      ),
                    'predictions': datasets.Value('string'							,     id='sequence'      ),
                    'references': datasets.Value('string'							,     id='sequence'      ),
                }      )							,     codebase_urls=['https://github.com/Unbabel/COMET']							,     reference_urls=[
                'https://github.com/Unbabel/COMET',
                'https://www.aclweb.org/anthology/2020.emnlp-main.213/',
                'http://www.statmt.org/wmt20/pdf/2020.wmt-1.101.pdf6',
            ]							,     )




  def 						A__  (       self							,     lowerCAmelCase      )						->				Optional[Any]:
        '''simple docstring'''






        if self.config_name == "default":
              _lowercase			 =comet.load_from_checkpoint(comet.download_model('wmt20-comet-da'      )      )
        else:
              _lowercase			 =comet.load_from_checkpoint(comet.download_model(self.config_name      )      )




  def 						A__  (       self							,     lowerCAmelCase							,     lowerCAmelCase							,     lowerCAmelCase							,     lowerCAmelCase=None							,     lowerCAmelCase=False      )						->				str:
        '''simple docstring'''






        if gpus is None:
              _lowercase			 =1 if torch.cuda.is_available() else 0
        _lowercase			 ={'src': sources, 'mt': predictions, 'ref': references}
        _lowercase			 =[dict(zip(lowerCAmelCase							,     lowerCAmelCase      )      ) for t in zip(*data.values()      )]
        _lowercase , _lowercase			 =self.scorer.predict(lowerCAmelCase							,     gpus=lowerCAmelCase							,     progress_bar=lowerCAmelCase      )
        return {"mean_score": mean_score, "scores": scores}





import math

import tensorflow as tf
from packaging import version
def   a   (    A__			:     Tuple  )					->   List[Any]:





      """simple docstring"""



      _lowercase			 =tf.convert_to_tensor(A__  )
      _lowercase			 =0.5 * (1.0 + tf.math.erf(x / tf.cast(tf.sqrt(2.0  )   ,     x.dtype  )  ))

      return x * cdf
def   a   (    A__			:     Any  )					->   int:





      """simple docstring"""



      _lowercase			 =tf.convert_to_tensor(A__  )
      _lowercase			 =tf.cast(math.pi   ,     x.dtype  )
      _lowercase			 =tf.cast(0.044715   ,     x.dtype  )
      _lowercase			 =0.5 * (1.0 + tf.tanh(tf.sqrt(2.0 / pi  ) * (x + coeff * tf.pow(A__   ,     3  ))  ))

      return x * cdf
def   a   (    A__			:     Optional[int]  )					->   int:





      """simple docstring"""



      _lowercase			 =tf.convert_to_tensor(A__  )

      return x * tf.tanh(tf.math.softplus(A__  )  )
def   a   (    A__			:     Tuple  )					->   List[str]:





      """simple docstring"""



      _lowercase			 =tf.convert_to_tensor(A__  )
      _lowercase			 =tf.cast(0.044715   ,     x.dtype  )
      _lowercase			 =tf.cast(0.7978845608   ,     x.dtype  )

      return 0.5 * x * (1.0 + tf.tanh(x * coeffa * (1.0 + coeffa * x * x)  ))
def   a   (    A__			:     int  )					->   Any:





      """simple docstring"""



      _lowercase			 =tf.convert_to_tensor(A__  )
      _lowercase			 =tf.cast(1.702   ,     x.dtype  )
      return x * tf.math.sigmoid(coeff * x  )
def   a   (    A__			:     int  )					->   Dict:





      """simple docstring"""



      return tf.clip_by_value(_gelu(A__  )   ,     -10   ,     10  )
def   a   (    A__			:     Optional[int]   ,     A__			:     int=-1  )					->   Optional[Any]:





      """simple docstring"""



      _lowercase , _lowercase			 =tf.split(A__   ,     2   ,     axis=A__  )
      return a * tf.math.sigmoid(A__  )


if version.parse(tf.version.VERSION) >= version.parse('2.4'):
  def   a   (    A__			:     Any  )					->   Dict:





        """simple docstring"""



        return tf.keras.activations.gelu(A__   ,     approximate=A__  )

  lowercase_             =     tf.keras.activations.gelu







  lowercase_             =     approximate_gelu_wrap
else:
  lowercase_             =     _gelu
  lowercase_             =     _gelu_new


lowercase_             =     {
    'gelu': gelu,
    'gelu_10': gelu_aa,
    'gelu_fast': gelu_fast,
    'gelu_new': gelu_new,
    'glu': glu,
    'mish': mish,
    'quick_gelu': quick_gelu,
    'relu': tf.keras.activations.relu,
    'sigmoid': tf.keras.activations.sigmoid,
    'silu': tf.keras.activations.swish,
    'swish': tf.keras.activations.swish,
    'tanh': tf.keras.activations.tanh,
}







def   a   (    A__			:     Optional[int]  )					->   str:





      """simple docstring"""



      if activation_string in ACTaFN:
            return ACTaFN[activation_string]
      else:
            raise KeyError(F'''function {activation_string} not found in ACT2FN mapping {list(ACTaFN.keys()  )}'''  )


