
'''simple docstring'''
# Copyright 2022 The HuggingFace Team and The OpenBMB Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import TYPE_CHECKING

# rely on isort to merge the imports
from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tokenizers_available, is_torch_available


A__   :		Any 		={
    'configuration_cpmant': ['CPMANT_PRETRAINED_CONFIG_ARCHIVE_MAP', 'CpmAntConfig'],
    'tokenization_cpmant': ['CpmAntTokenizer'],
}

try:
     if not is_torch_available():
          raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
     pass
else:
     A__   :		Tuple 		=[
         'CPMANT_PRETRAINED_MODEL_ARCHIVE_LIST',
         'CpmAntForCausalLM',
         'CpmAntModel',
         'CpmAntPreTrainedModel',
     ]


if TYPE_CHECKING:
     from .configuration_cpmant import CPMANT_PRETRAINED_CONFIG_ARCHIVE_MAP, CpmAntConfig
     from .tokenization_cpmant import CpmAntTokenizer

     try:
          if not is_torch_available():
               raise OptionalDependencyNotAvailable()
     except OptionalDependencyNotAvailable:
          pass
     else:
          from .modeling_cpmant import (
              CPMANT_PRETRAINED_MODEL_ARCHIVE_LIST,
              CpmAntForCausalLM,
              CpmAntModel,
              CpmAntPreTrainedModel,
          )


else:
     import sys

     A__   :		Any 		=_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)





'''simple docstring'''
from typing import List, Optional, Union

import numpy as np

from ...feature_extraction_sequence_utils import SequenceFeatureExtractor
from ...feature_extraction_utils import BatchFeature
from ...utils import PaddingStrategy, TensorType, logging


A__   :		Dict 		=logging.get_logger(__name__)







class  __A				( _SCREAMING_SNAKE_CASE			):
 lowerCamelCase				       =['''input_values''', '''padding_mask''']
 def __init__(   self			:    Optional[int]				,   lowerCamelCase			:    int = 1				,   lowerCamelCase			:    int = 2_40_00				,   lowerCamelCase			:    float = 0.0				,   lowerCamelCase			:    float = None				,   lowerCamelCase			:    float = None				,   **lowerCamelCase			:    Dict				,   ):



   """simple docstring"""





   super().__init__(feature_size=lowerCamelCase				,   sampling_rate=lowerCamelCase				,   padding_value=lowerCamelCase				,   **lowerCamelCase       )
   __A		:     str												=		chunk_length_s
   __A		:     str												=		overlap
 @property
 def 		lowercase_(   self			:    List[str]       ):



   """simple docstring"""





   if self.chunk_length_s is None:
     return None
   else:
     return int(self.chunk_length_s * self.sampling_rate       )
 @property
 def 		lowercase_(   self			:    List[str]       ):



   """simple docstring"""





   if self.chunk_length_s is None or self.overlap is None:
     return None
   else:
     return max(1				,   int((1.0 - self.overlap) * self.chunk_length       )       )






 def __call__(   self			:    List[str]				,   lowerCamelCase			:    Union[np.ndarray, List[float], List[np.ndarray], List[List[float]]]				,   lowerCamelCase			:    Optional[Union[bool, str, PaddingStrategy]] = None				,   lowerCamelCase			:    Optional[bool] = False				,   lowerCamelCase			:    Optional[int] = None				,   lowerCamelCase			:    Optional[Union[str, TensorType]] = None				,   lowerCamelCase			:    Optional[int] = None				,   ):



   """simple docstring"""





   if sampling_rate is not None:
     if sampling_rate != self.sampling_rate:
       raise ValueError(
           f"The model corresponding to this feature extractor: {self} was trained using a sampling rate of"
           f" {self.sampling_rate}. Please make sure that the provided audio input was sampled with"
           f" {self.sampling_rate} and not {sampling_rate}."       )
   else:
     logger.warning(
         """It is strongly recommended to pass the `sampling_rate` argument to this function. """
         """Failing to do so can result in silent errors that might be hard to debug."""       )

   if padding and truncation:
     raise ValueError("""Both padding and truncation were set. Make sure you only set one."""       )
   elif padding is None:
     # by default let's pad the inputs
     __A		:     List[Any]												=		True

   __A		:     List[str]												=		bool(
       isinstance(lowerCamelCase				,   (list, tuple)       ) and (isinstance(raw_audio[0]				,   (np.ndarray, tuple, list)       ))       )

   if is_batched:
     __A		:     Optional[Any]												=		[np.asarray(lowerCamelCase				,   dtype=np.floataa       ).T for audio in raw_audio]
   elif not is_batched and not isinstance(lowerCamelCase				,   np.ndarray       ):
     __A		:     Union[str, Any]												=		np.asarray(lowerCamelCase				,   dtype=np.floataa       )
   elif isinstance(lowerCamelCase				,   np.ndarray       ) and raw_audio.dtype is np.dtype(np.floataa       ):
     __A		:     Optional[Any]												=		raw_audio.astype(np.floataa       )

   # always return batch
   if not is_batched:
     __A		:     Tuple												=		[np.asarray(lowerCamelCase       ).T]

   # verify inputs are valid
   for idx, example in enumerate(lowerCamelCase       ):
     if example.ndim > 2:
       raise ValueError(f"Expected input shape (channels, length) but got shape {example.shape}"       )
     if self.feature_size == 1 and example.ndim != 1:
       raise ValueError(f"Expected mono audio but example has {example.shape[-1]} channels"       )
     if self.feature_size == 2 and example.shape[-1] != 2:
       raise ValueError(f"Expected stereo audio but example has {example.shape[-1]} channels"       )

   __A		:     Optional[Any]												=		None
   __A		:     Dict												=		BatchFeature({"""input_values""": raw_audio}       )
   if self.chunk_stride is not None and self.chunk_length is not None and max_length is None:
     if truncation:
       __A		:     Optional[Any]												=		min(array.shape[0] for array in raw_audio       )
       __A		:     Dict												=		int(np.floor(max_length / self.chunk_stride       )       )
       __A		:     Union[str, Any]												=		(nb_step - 1) * self.chunk_stride + self.chunk_length
     elif padding:
       __A		:     int												=		max(array.shape[0] for array in raw_audio       )
       __A		:     Optional[Any]												=		int(np.ceil(max_length / self.chunk_stride       )       )
       __A		:     Any												=		(nb_step - 1) * self.chunk_stride + self.chunk_length
       __A		:     Optional[int]												=		"""max_length"""
     else:
       __A		:     Optional[Any]												=		input_values

        # normal padding on batch
   if padded_inputs is None:
     __A		:     Tuple												=		self.pad(
         lowerCamelCase				,   max_length=lowerCamelCase				,   truncation=lowerCamelCase				,   padding=lowerCamelCase				,   return_attention_mask=lowerCamelCase				,   )
     if padding:
       __A		:     List[Any]												=		padded_inputs.pop("""attention_mask"""       )

   __A		:     List[Any]												=		[]
   for example in padded_inputs.pop("""input_values"""       ):
     if self.feature_size == 1:
       __A		:     Optional[Any]												=		example[..., None]
     input_values.append(example.T       )

   __A		:     str												=		input_values
   if return_tensors is not None:
     __A		:     Any												=		padded_inputs.convert_to_tensors(lowerCamelCase       )

   return padded_inputs



