






import numpy as np  # noqa: E402

from ...configuration_utils import ConfigMixin, register_to_config
from ...schedulers.scheduling_utils import SchedulerMixin


try:
						import librosa  # noqa: E402

						__lowerCamelCase						= True
						__lowerCamelCase						= ''
except Exception as e:
						__lowerCamelCase						= False
						__lowerCamelCase						= (
						    F'''Cannot import librosa because {e}. Make sure to correctly install librosa to be able to install it.'''
						)


from PIL import Image  # noqa: E402

class      UpperCamelCase_							(				UpperCamelCase ,       UpperCamelCase       ):
						lowercase									=  '''mel_config.json'''




						@register_to_config
						def __init__(    self		,	lowercase = 256		,	lowercase = 256		,	lowercase = 22_050		,	lowercase = 2_048		,	lowercase = 512		,	lowercase = 80		,	lowercase = 32		,	)			->						Optional[Any]:
													_a  :    Tuple			=						hop_length
													_a  :    Dict			=						sample_rate
													_a  :    Dict			=						n_fft
													_a  :    List[str]			=						top_db
													_a  :    Optional[int]			=						n_iter
													self.set_resolution(lowercase		,	lowercase       )
													_a  :    Optional[int]			=						None

													if not _librosa_can_be_imported:
																				raise ValueError(_import_error       )




						def      snake_case__(    self		,	lowercase		,	lowercase       )			->						Any:
													_a  :    Any			=						x_res
													_a  :    Optional[Any]			=						y_res
													_a  :    List[Any]			=						self.y_res
													_a  :    Tuple			=						self.x_res * self.hop_length - 1




						def      snake_case__(    self		,	lowercase = None		,	lowercase = None       )			->						Union[str, Any]:
													if audio_file is not None:
																				_a		,					_a  :    str			=						librosa.load(lowercase		,	mono=lowercase		,	sr=self.sr       )
													else:
																				_a  :    Any			=						raw_audio

													# Pad with silence if necessary.
													if len(self.audio       ) < self.x_res * self.hop_length:
																				_a  :    str			=						np.concatenate([self.audio, np.zeros((self.x_res * self.hop_length - len(self.audio       ),)       )]       )




						def      snake_case__(    self       )			->						int:
													return len(self.audio       ) // self.slice_size




						def      snake_case__(    self		,	lowercase = 0       )			->						np.ndarray:
													return self.audio[self.slice_size * slice : self.slice_size * (slice + 1)]




						def      snake_case__(    self       )			->						int:
													return self.sr




						def      snake_case__(    self		,	lowercase       )			->						Image.Image:
													_a  :    int			=						librosa.feature.melspectrogram(
													    y=self.get_audio_slice(lowercase       )		,	sr=self.sr		,	n_fft=self.n_fft		,	hop_length=self.hop_length		,	n_mels=self.n_mels       )
													_a  :    List[str]			=						librosa.power_to_db(lowercase		,	ref=np.max		,	top_db=self.top_db       )
													_a  :    List[str]			=						(((log_S + self.top_db) * 255 / self.top_db).clip(0		,	255       ) + 0.5).astype(np.uinta       )
													_a  :    Any			=						Image.fromarray(lowercase       )
													return image







						def      snake_case__(    self		,	lowercase       )			->						np.ndarray:
													_a  :    Any			=						np.frombuffer(image.tobytes()		,	dtype='''uint8'''       ).reshape((image.height, image.width)       )
													_a  :    Any			=						bytedata.astype('''float'''       ) * self.top_db / 255 - self.top_db
													_a  :    Dict			=						librosa.db_to_power(lowercase       )
													_a  :    List[str]			=						librosa.feature.inverse.mel_to_audio(
													    lowercase		,	sr=self.sr		,	n_fft=self.n_fft		,	hop_length=self.hop_length		,	n_iter=self.n_iter       )
													return audio







import textwrap

import pyarrow as pa
import pytest

from datasets import Features, Image
from datasets.packaged_modules.text.text import Text

from ..utils import require_pil






@pytest.fixture
def    UpperCamelCase__  (   UpperCAmelCase     )     ->		Union[str, Any]:







							"""simple docstring"""





							_a  :    Tuple			=						tmp_path / '''text.txt'''
							_a  :    Dict			=						textwrap.dedent(
							    '''\
        Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
        Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
        Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
        Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

        Second paragraph:
        Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
        Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
        Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
        Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
        '''     )
							with open(UpperCAmelCase    ,	'''w'''    ,	encoding='''utf-8'''     ) as f:
														f.write(UpperCAmelCase     )
							return str(UpperCAmelCase     )






@pytest.fixture
def    UpperCamelCase__  (   UpperCAmelCase    ,	UpperCAmelCase     )     ->		Optional[int]:







							"""simple docstring"""





							_a  :    List[Any]			=						tmp_path / '''text_with_image.txt'''
							with open(UpperCAmelCase    ,	'''w'''    ,	encoding='''utf-8'''     ) as f:
														f.write(UpperCAmelCase     )
							return str(UpperCAmelCase     )






@pytest.mark.parametrize('''keep_linebreaks'''    ,	[True, False]     )
def    UpperCamelCase__  (   UpperCAmelCase    ,	UpperCAmelCase     )     ->		Any:







							"""simple docstring"""





							with open(UpperCAmelCase    ,	encoding='''utf-8'''     ) as f:
														_a  :    str			=						f.read().splitlines(keepends=UpperCAmelCase     )
							_a  :    Tuple			=						Text(keep_linebreaks=UpperCAmelCase    ,	encoding='''utf-8'''     )
							_a  :    Optional[Any]			=						text._generate_tables([[text_file]]     )
							_a  :    str			=						pa.concat_tables([table for _, table in generator]     ).to_pydict()['''text''']
							assert generated_content == expected_content






@require_pil
def    UpperCamelCase__  (   UpperCAmelCase     )     ->		List[str]:







							"""simple docstring"""





							with open(UpperCAmelCase    ,	encoding='''utf-8'''     ) as f:
														_a  :    str			=						f.read().splitlines()[0]
							_a  :    Dict			=						Text(encoding='''utf-8'''    ,	features=Features({'''image''': Image()}     )     )
							_a  :    str			=						text._generate_tables([[text_file_with_image]]     )
							_a  :    int			=						pa.concat_tables([table for _, table in generator]     )
							assert pa_table.schema.field('''image'''     ).type == Image()()
							_a  :    Optional[int]			=						pa_table.to_pydict()['''image''']
							assert generated_content == [{"path": image_file, "bytes": None}]







@pytest.mark.parametrize('''sample_by'''    ,	['''line''', '''paragraph''', '''document''']     )
def    UpperCamelCase__  (   UpperCAmelCase    ,	UpperCAmelCase     )     ->		Optional[Any]:







							"""simple docstring"""





							with open(UpperCAmelCase    ,	encoding='''utf-8'''     ) as f:
														_a  :    Any			=						f.read()
							if sample_by == "line":
														_a  :    Any			=						expected_content.splitlines()
							elif sample_by == "paragraph":
														_a  :    Tuple			=						expected_content.split('''\n\n'''     )
							elif sample_by == "document":
														_a  :    Dict			=						[expected_content]
							_a  :    Dict			=						Text(sample_by=UpperCAmelCase    ,	encoding='''utf-8'''    ,	chunksize=100     )
							_a  :    Optional[int]			=						text._generate_tables([[text_file]]     )
							_a  :    List[Any]			=						pa.concat_tables([table for _, table in generator]     ).to_pydict()['''text''']
							assert generated_content == expected_content