
import sacrebleu as scb
from packaging import version
from sacrebleu import CHRF

import datasets


__lowerCAmelCase					:			Tuple			      =		"\\n@inproceedings{popovic-2015-chrf,\n    title = \"chr{F}: character n-gram {F}-score for automatic {MT} evaluation\",\n    author = \"Popovi{\'c}, Maja\",\n    booktitle = \"Proceedings of the Tenth Workshop on Statistical Machine Translation\",\n    month = sep,\n    year = \"2015\",\n    address = \"Lisbon, Portugal\",\n    publisher = \"Association for Computational Linguistics\",\n    url = \"https://aclanthology.org/W15-3049\",\n    doi = \"10.18653/v1/W15-3049\",\n    pages = \"392--395\",\n}\n@inproceedings{popovic-2017-chrf,\n    title = \"chr{F}++: words helping character n-grams\",\n    author = \"Popovi{\'c}, Maja\",\n    booktitle = \"Proceedings of the Second Conference on Machine Translation\",\n    month = sep,\n    year = \"2017\",\n    address = \"Copenhagen, Denmark\",\n    publisher = \"Association for Computational Linguistics\",\n    url = \"https://aclanthology.org/W17-4770\",\n    doi = \"10.18653/v1/W17-4770\",\n    pages = \"612--618\",\n}\n@inproceedings{post-2018-call,\n    title = \"A Call for Clarity in Reporting {BLEU} Scores\",\n    author = \"Post, Matt\",\n    booktitle = \"Proceedings of the Third Conference on Machine Translation: Research Papers\",\n    month = oct,\n    year = \"2018\",\n    address = \"Belgium, Brussels\",\n    publisher = \"Association for Computational Linguistics\",\n    url = \"https://www.aclweb.org/anthology/W18-6319\",\n    pages = \"186--191\",\n}\n"

__lowerCAmelCase					:			str			      =		"\\nChrF and ChrF++ are two MT evaluation metrics. They both use the F-score statistic for character n-gram matches,\nand ChrF++ adds word n-grams as well which correlates more strongly with direct assessment. We use the implementation\nthat is already present in sacrebleu.\n\nThe implementation here is slightly different from sacrebleu in terms of the required input format. The length of\nthe references and hypotheses lists need to be the same, so you may need to transpose your references compared to\nsacrebleu's required input format. See https://github.com/huggingface/datasets/issues/3154#issuecomment-950746534\n\nSee the README.md file at https://github.com/mjpost/sacreBLEU#chrf--chrf for more information.\n"

__lowerCAmelCase					:			Optional[Any]			      =		"\nProduces ChrF(++) scores for hypotheses given reference translations.\n\nArgs:\n    predictions (list of str): The predicted sentences.\n    references (list of list of str): The references. There should be one reference sub-list for each prediction sentence.\n    char_order (int): Character n-gram order. Defaults to `6`.\n    word_order (int): Word n-gram order. If equals to `2`, the metric is referred to as chrF++. Defaults to `0`.\n    beta (int): Determine the importance of recall w.r.t precision. Defaults to `2`.\n    lowercase (bool): if `True`, enables case-insensitivity. Defaults to `False`.\n    whitespace (bool): If `True`, include whitespaces when extracting character n-grams.\n    eps_smoothing (bool): If `True`, applies epsilon smoothing similar\n    to reference chrF++.py, NLTK and Moses implementations. If `False`,\n    it takes into account effective match order similar to sacreBLEU < 2.0.0. Defaults to `False`.\n\nReturns:\n    'score' (float): The chrF (chrF++) score,\n    'char_order' (int): The character n-gram order,\n    'word_order' (int): The word n-gram order. If equals to 2, the metric is referred to as chrF++,\n    'beta' (int): Determine the importance of recall w.r.t precision\n\nExamples:\n    Example 1--a simple example of calculating chrF:\n        >>> prediction = [\"The relationship between cats and dogs is not exactly friendly.\", \"a good bookshop is just a genteel black hole that knows how to read.\"]\n        >>> reference = [[\"The relationship between dogs and cats is not exactly friendly.\"], [\"A good bookshop is just a genteel Black Hole that knows how to read.\"]]\n        >>> chrf = datasets.load_metric(\"chrf\")\n        >>> results = chrf.compute(predictions=prediction, references=reference)\n        >>> print(results)\n        {'score': 84.64214891738334, 'char_order': 6, 'word_order': 0, 'beta': 2}\n\n    Example 2--the same example, but with the argument word_order=2, to calculate chrF++ instead of chrF:\n        >>> prediction = [\"The relationship between cats and dogs is not exactly friendly.\", \"a good bookshop is just a genteel black hole that knows how to read.\"]\n        >>> reference = [[\"The relationship between dogs and cats is not exactly friendly.\"], [\"A good bookshop is just a genteel Black Hole that knows how to read.\"]]\n        >>> chrf = datasets.load_metric(\"chrf\")\n        >>> results = chrf.compute(predictions=prediction,\n        ...                         references=reference,\n        ...                         word_order=2)\n        >>> print(results)\n        {'score': 82.87263732906315, 'char_order': 6, 'word_order': 2, 'beta': 2}\n\n    Example 3--the same chrF++ example as above, but with `lowercase=True` to normalize all case:\n        >>> prediction = [\"The relationship between cats and dogs is not exactly friendly.\", \"a good bookshop is just a genteel black hole that knows how to read.\"]\n        >>> reference = [[\"The relationship between dogs and cats is not exactly friendly.\"], [\"A good bookshop is just a genteel Black Hole that knows how to read.\"]]\n        >>> chrf = datasets.load_metric(\"chrf\")\n        >>> results = chrf.compute(predictions=prediction,\n        ...                         references=reference,\n        ...                         word_order=2,\n        ...                         lowercase=True)\n        >>> print(results)\n        {'score': 92.12853119829202, 'char_order': 6, 'word_order': 2, 'beta': 2}\n"


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



      """simple docstring"""







      def 		snake_case_			(      self		:       Optional[int]				):
          if version.parse(scb.__version__				) < version.parse('''1.4.12'''				):
              raise ImportWarning(
                  '''To use `sacrebleu`, the module `sacrebleu>=1.4.12` is required, and the current version of `sacrebleu` doesn\'t match this condition.\n'''
                  '''You can install it with `pip install "sacrebleu>=1.4.12"`.'''				)
          return datasets.MetricInfo(
              description=_DESCRIPTION				,       citation=_CITATION				,       homepage='''https://github.com/mjpost/sacreBLEU#chrf--chrf'''				,       inputs_description=_KWARGS_DESCRIPTION				,       features=datasets.Features(
                  {
                      '''predictions''': datasets.Value('''string'''				,       id='''sequence'''				),
                      '''references''': datasets.Sequence(datasets.Value('''string'''				,       id='''sequence'''				)				,       id='''references'''				),
                  }				)				,       codebase_urls=['''https://github.com/mjpost/sacreBLEU#chrf--chrf''']				,       reference_urls=[
                  '''https://github.com/m-popovic/chrF''',
              ]				,       )




      def 		snake_case_			(      self		:       Optional[Any]				,       _snake_case		:       Optional[int]				,       _snake_case		:       List[str]				,       _snake_case		:       int = CHRF.CHAR_ORDER				,       _snake_case		:       int = CHRF.WORD_ORDER				,       _snake_case		:       int = CHRF.BETA				,       _snake_case		:       bool = False				,       _snake_case		:       bool = False				,       _snake_case		:       bool = False				,       ):
          __lowercase		:			List[str]	    =       len(references[0]				)
          if any(len(_snake_case				) != references_per_prediction for refs in references				):
              raise ValueError('''Sacrebleu requires the same number of references for each prediction'''				)
          __lowercase		:			int	    =       [[refs[i] for refs in references] for i in range(_snake_case				)]

          __lowercase		:			Any	    =       CHRF(_snake_case				,       _snake_case				,       _snake_case				,       _snake_case				,       _snake_case				,       _snake_case				)
          __lowercase		:			List[Any]	    =       sb_chrf.corpus_score(_snake_case				,       _snake_case				)

          return {
              "score": output.score,
              "char_order": output.char_order,
              "word_order": output.word_order,
              "beta": output.beta,
          }




import warnings
from collections import OrderedDict
from typing import Mapping

from packaging import version

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig
from ...utils import logging


__lowerCAmelCase					:			Union[str, Any]			      =		logging.get_logger(__name__)

__lowerCAmelCase					:			Optional[int]			      =		{
    "nvidia/segformer-b0-finetuned-ade-512-512": (
        "https://huggingface.co/nvidia/segformer-b0-finetuned-ade-512-512/resolve/main/config.json"
    ),
    # See all SegFormer models at https://huggingface.co/models?filter=segformer
}


class 						__lowerCAmelCase	(	lowerCAmelCase_      ):



      """simple docstring"""







      A__	:			Dict        =    '''segformer'''




      def __init__(      self		:       Optional[Any]				,       _snake_case		:       List[str]=3				,       _snake_case		:       Union[str, Any]=4				,       _snake_case		:       str=[2, 2, 2, 2]				,       _snake_case		:       Dict=[8, 4, 2, 1]				,       _snake_case		:       List[Any]=[32, 64, 160, 256]				,       _snake_case		:       Dict=[7, 3, 3, 3]				,       _snake_case		:       List[Any]=[4, 2, 2, 2]				,       _snake_case		:       Tuple=[1, 2, 5, 8]				,       _snake_case		:       Optional[Any]=[4, 4, 4, 4]				,       _snake_case		:       Optional[int]="gelu"				,       _snake_case		:       Optional[int]=0.0				,       _snake_case		:       Optional[int]=0.0				,       _snake_case		:       int=0.1				,       _snake_case		:       Any=0.02				,       _snake_case		:       Optional[int]=0.1				,       _snake_case		:       Union[str, Any]=1E-6				,       _snake_case		:       Tuple=256				,       _snake_case		:       str=255				,       **_snake_case		:       Any				,       ):
          super().__init__(**_snake_case				)

          if "reshape_last_stage" in kwargs and kwargs["reshape_last_stage"] is False:
              warnings.warn(
                  '''Reshape_last_stage is set to False in this config. This argument is deprecated and will soon be'''
                  ''' removed, as the behaviour will default to that of reshape_last_stage = True.'''				,       _snake_case				,       )

          __lowercase		:			Any	    =       num_channels
          __lowercase		:			Optional[Any]	    =       num_encoder_blocks
          __lowercase		:			List[str]	    =       depths
          __lowercase		:			str	    =       sr_ratios
          __lowercase		:			List[str]	    =       hidden_sizes
          __lowercase		:			List[str]	    =       patch_sizes
          __lowercase		:			Dict	    =       strides
          __lowercase		:			Optional[int]	    =       mlp_ratios
          __lowercase		:			List[str]	    =       num_attention_heads
          __lowercase		:			Optional[int]	    =       hidden_act
          __lowercase		:			List[Any]	    =       hidden_dropout_prob
          __lowercase		:			Optional[Any]	    =       attention_probs_dropout_prob
          __lowercase		:			List[Any]	    =       classifier_dropout_prob
          __lowercase		:			str	    =       initializer_range
          __lowercase		:			Optional[int]	    =       drop_path_rate
          __lowercase		:			List[str]	    =       layer_norm_eps
          __lowercase		:			List[str]	    =       decoder_hidden_size
          __lowercase		:			Union[str, Any]	    =       kwargs.get('''reshape_last_stage'''				,       _snake_case				)
          __lowercase		:			str	    =       semantic_loss_ignore_index






class 						__lowerCAmelCase	(	lowerCAmelCase_      ):



      """simple docstring"""







      A__	:			Union[str, Any]        =    version.parse('''1.11'''      )




      @property
      def 		snake_case_			(      self		:       Dict				):
          return OrderedDict(
              [
                  ('''pixel_values''', {0: '''batch''', 1: '''num_channels''', 2: '''height''', 3: '''width'''}),
              ]				)




      @property
      def 		snake_case_			(      self		:       int				):
          return 1E-4




      @property
      def 		snake_case_			(      self		:       List[Any]				):
          return 12


