





from typing import List

import jiwer
import jiwer.transforms as tr
from packaging import version

import datasets
from datasets.config import PY_VERSION


if PY_VERSION < version.parse("""3.8"""):
      import importlib_metadata
else:
      import importlib.metadata as importlib_metadata


UpperCAmelCase_					:   Optional[int] 							=						''


if version.parse(importlib_metadata.version("""jiwer""")) < version.parse("""2.3.0"""):





      class      lowercase__    (							tr.AbstractTransform  ):







        def __init__(	self    ,						_lowercase = " "						):
             lowerCAmelCase_					:       Dict    =		sentence_delimiter







        def 	UpperCAmelCase__		(	self    ,						_lowercase						):
             return list(UpperCamelCase__						)







        def 	UpperCAmelCase__		(	self    ,						_lowercase						):
             lowerCAmelCase_					:       Any    =		[]
             for sent_idx, sentence in enumerate(UpperCamelCase__						):
                  chars.extend(self.process_string(UpperCamelCase__						)						)
                  if self.sentence_delimiter is not None and self.sentence_delimiter != "" and sent_idx < len(UpperCamelCase__						) - 1:
                       chars.append(self.sentence_delimiter						)
             return chars





      UpperCAmelCase_					:   Dict 							=						tr.Compose(
          [tr.RemoveMultipleSpaces(), tr.Strip(), SentencesToListOfCharacters(SENTENCE_DELIMITER)]
      )
else:
      UpperCAmelCase_					:   List[str] 							=						tr.Compose(
          [
              tr.RemoveMultipleSpaces(),
              tr.Strip(),
              tr.ReduceToSingleSentence(SENTENCE_DELIMITER),
              tr.ReduceToListOfListOfChars(),
          ]
      )


UpperCAmelCase_					:   Any 							=						'\\n@inproceedings{inproceedings,\n    author = {Morris, Andrew and Maier, Viktoria and Green, Phil},\n    year = {2004},\n    month = {01},\n    pages = {},\n    title = {From WER and RIL to MER and WIL: improved evaluation measures for connected speech recognition.}\n}\n'

UpperCAmelCase_					:   List[str] 							=						'\\nCharacter error rate (CER) is a common metric of the performance of an automatic speech recognition system.\n\nCER is similar to Word Error Rate (WER), but operates on character instead of word. Please refer to docs of WER for further information.\n\nCharacter error rate can be computed as:\n\nCER = (S + D + I) / N = (S + D + I) / (S + D + C)\n\nwhere\n\nS is the number of substitutions,\nD is the number of deletions,\nI is the number of insertions,\nC is the number of correct characters,\nN is the number of characters in the reference (N=S+D+C).\n\nCER\'s output is not always a number between 0 and 1, in particular when there is a high number of insertions. This value is often associated to the percentage of characters that were incorrectly predicted. The lower the value, the better the\nperformance of the ASR system with a CER of 0 being a perfect score.\n'

UpperCAmelCase_					:   Optional[Any] 							=						'\nComputes CER score of transcribed segments against references.\nArgs:\n    references: list of references for each speech input.\n    predictions: list of transcribtions to score.\n    concatenate_texts: Whether or not to concatenate sentences before evaluation, set to True for more accurate result.\nReturns:\n    (float): the character error rate\n\nExamples:\n\n    >>> predictions = ["this is the prediction", "there is an other sample"]\n    >>> references = ["this is the reference", "there is another one"]\n    >>> cer = datasets.load_metric("cer")\n    >>> cer_score = cer.compute(predictions=predictions, references=references)\n    >>> print(cer_score)\n    0.34146341463414637\n'





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







  def 	UpperCAmelCase__		(	self						):
       return datasets.MetricInfo(
           description=_DESCRIPTION    ,						citation=_CITATION    ,						inputs_description=_KWARGS_DESCRIPTION    ,						features=datasets.Features(
               {
                   """predictions""": datasets.Value("""string"""    ,						id="""sequence"""						),
                   """references""": datasets.Value("""string"""    ,						id="""sequence"""						),
               }						)    ,						codebase_urls=["""https://github.com/jitsi/jiwer/"""]    ,						reference_urls=[
               """https://en.wikipedia.org/wiki/Word_error_rate""",
               """https://sites.google.com/site/textdigitisation/qualitymeasures/computingerrorrates""",
           ]    ,						)







  def 	UpperCAmelCase__		(	self    ,						_lowercase    ,						_lowercase    ,						_lowercase=False						):





       if concatenate_texts:
            return jiwer.compute_measures(
                UpperCamelCase__    ,						UpperCamelCase__    ,						truth_transform=UpperCamelCase__    ,						hypothesis_transform=UpperCamelCase__    ,						)["wer"]

       lowerCAmelCase_					:       Union[str, Any]    =		0
       lowerCAmelCase_					:       int    =		0
       for prediction, reference in zip(UpperCamelCase__    ,						UpperCamelCase__						):
            lowerCAmelCase_					:       Tuple    =		jiwer.compute_measures(
                UpperCamelCase__    ,						UpperCamelCase__    ,						truth_transform=UpperCamelCase__    ,						hypothesis_transform=UpperCamelCase__    ,						)
            incorrect += measures["substitutions"] + measures["deletions"] + measures["insertions"]
            total += measures["substitutions"] + measures["deletions"] + measures["hits"]

       return incorrect / total







import inspect
import os
import unittest
from pathlib import Path

import torch

import accelerate
from accelerate.test_utils import execute_subprocess_async
from accelerate.test_utils.testing import run_command





class      lowercase__    (							unittest.TestCase  ):
  __UpperCamelCase	     =  inspect.getfile(accelerate.test_utils  )
  __UpperCamelCase	     =  os.path.sep.join(mod_file.split(os.path.sep  )[:-1] + ["""scripts""", """test_cli.py"""]  )

  __UpperCamelCase	     =  ["""accelerate""", """launch"""]
  __UpperCamelCase	     =  Path.home() / """.cache/huggingface/accelerate"""
  __UpperCamelCase	     =  """default_config.yaml"""
  __UpperCamelCase	     =  config_folder / config_file
  __UpperCamelCase	     =  config_folder / """_default_config.yaml"""

  __UpperCamelCase	     =  Path("""tests/test_configs"""  )







  @classmethod
  def 	UpperCAmelCase__		(	cls						):
       if cls.config_path.is_file():
            cls.config_path.rename(cls.changed_path						)







  @classmethod
  def 	UpperCAmelCase__		(	cls						):
       if cls.changed_path.is_file():
            cls.changed_path.rename(cls.config_path						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       int    =		self.base_cmd
       if torch.cuda.is_available() and (torch.cuda.device_count() > 1):
            cmd += ["--multi_gpu"]
       execute_subprocess_async(cmd + [self.test_file_path]    ,						env=os.environ.copy()						)







  def 	UpperCAmelCase__		(	self						):
       for config in sorted(self.test_config_path.glob("""**/*.yaml"""						)						):
            with self.subTest(config_file=_lowercase						):
                 execute_subprocess_async(
                     self.base_cmd + ["""--config_file""", str(_lowercase						), self.test_file_path]    ,						env=os.environ.copy()						)







  def 	UpperCAmelCase__		(	self						):
       execute_subprocess_async(["""accelerate""", """test"""]    ,						env=os.environ.copy()						)





class      lowercase__    (							unittest.TestCase  ):
  __UpperCamelCase	     =  """test-tpu"""
  __UpperCamelCase	     =  """us-central1-a"""
  __UpperCamelCase	     =  """ls"""
  __UpperCamelCase	     =  ["""accelerate""", """tpu-config"""]
  __UpperCamelCase	     =  """cd /usr/share"""
  __UpperCamelCase	     =  """tests/test_samples/test_command_file.sh"""
  __UpperCamelCase	     =  """Running gcloud compute tpus tpu-vm ssh"""







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       str    =		run_command(
           self.cmd
           + ["""--command""", self.command, """--tpu_zone""", self.tpu_zone, """--tpu_name""", self.tpu_name, """--debug"""]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       str    =		run_command(
           self.cmd
           + [
               """--config_file""",
               """tests/test_configs/0_12_0.yaml""",
               """--command""",
               self.command,
               """--tpu_zone""",
               self.tpu_zone,
               """--tpu_name""",
               self.tpu_name,
               """--debug""",
           ]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       Optional[Any]    =		run_command(
           self.cmd + ["""--config_file""", """tests/test_configs/latest.yaml""", """--debug"""]    ,						return_stdout=_lowercase						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; echo "hello world"; echo "this is a second command" --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       Tuple    =		run_command(
           self.cmd + ["""--config_file""", """tests/test_configs/latest.yaml""", """--command""", self.command, """--debug"""]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       str    =		run_command(
           self.cmd
           + [
               """--config_file""",
               """tests/test_configs/latest.yaml""",
               """--command""",
               self.command,
               """--command""",
               """echo \"Hello World\"""",
               """--debug""",
           ]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; ls; echo "Hello World" --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       str    =		run_command(
           self.cmd
           + ["""--config_file""", """tests/test_configs/latest.yaml""", """--command_file""", self.command_file, """--debug"""]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; echo "hello world"; echo "this is a second command" --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       Optional[Any]    =		run_command(
           self.cmd
           + [
               """--config_file""",
               """tests/test_configs/0_12_0.yaml""",
               """--command_file""",
               self.command_file,
               """--tpu_zone""",
               self.tpu_zone,
               """--tpu_name""",
               self.tpu_name,
               """--debug""",
           ]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; echo "hello world"; echo "this is a second command" --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       Tuple    =		run_command(
           self.cmd + ["""--config_file""", """tests/test_configs/latest.yaml""", """--install_accelerate""", """--debug"""]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; pip install accelerate -U; echo "hello world"; echo "this is a second command" --worker all'    ,						_lowercase    ,						)







  def 	UpperCAmelCase__		(	self						):
       lowerCAmelCase_					:       Any    =		run_command(
           self.cmd
           + [
               """--config_file""",
               """tests/test_configs/latest.yaml""",
               """--install_accelerate""",
               """--accelerate_version""",
               """12.0.0""",
               """--debug""",
           ]    ,						return_stdout=_lowercase    ,						)
       self.assertIn(
           F'{self.gcloud} test-tpu --zone us-central1-a --command {self.base_output}; pip install accelerate==12.0.0; echo "hello world"; echo "this is a second command" --worker all'    ,						_lowercase    ,						)
