




import datetime
import platform
import subprocess
from typing import Optional, Tuple, Union

import numpy as np

def 					UpperCAmelCase_							(      __UpperCAmelCase						:	bytes			,			__UpperCAmelCase						:	int							)					-> np.array:
      SCREAMING_SNAKE_CASE_							=			f"{sampling_rate}"
      SCREAMING_SNAKE_CASE_							=			'1'
      SCREAMING_SNAKE_CASE_							=			'f32le'
      SCREAMING_SNAKE_CASE_							=			[
          'ffmpeg',
          '-i',
          'pipe:0',
          '-ac',
          ac,
          '-ar',
          ar,
          '-f',
          format_for_conversion,
          '-hide_banner',
          '-loglevel',
          'quiet',
          'pipe:1',
      ]

      try:
            with subprocess.Popen(__UpperCAmelCase			,			stdin=subprocess.PIPE			,			stdout=subprocess.PIPE							) as ffmpeg_process:
                  SCREAMING_SNAKE_CASE_							=			ffmpeg_process.communicate(__UpperCAmelCase							)
      except FileNotFoundError as error:
            raise ValueError('ffmpeg was not found but is required to load audio files from filename'							) from error
      SCREAMING_SNAKE_CASE_							=			output_stream[0]
      SCREAMING_SNAKE_CASE_							=			np.frombuffer(__UpperCAmelCase			,			np.floataa							)
      if audio.shape[0] == 0:
            raise ValueError('Malformed soundfile'							)
      return audio

def 					UpperCAmelCase_							(      __UpperCAmelCase						:	int			,			__UpperCAmelCase						:	float			,			__UpperCAmelCase						:	str = "f32le"			,			)					-> int:
      SCREAMING_SNAKE_CASE_							=			f"{sampling_rate}"
      SCREAMING_SNAKE_CASE_							=			'1'
      if format_for_conversion == "s16le":
            SCREAMING_SNAKE_CASE_							=			2
      elif format_for_conversion == "f32le":
            SCREAMING_SNAKE_CASE_							=			4
      else:
            raise ValueError(f"Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`"							)

      SCREAMING_SNAKE_CASE_							=			platform.system()
      if system == "Linux":
            SCREAMING_SNAKE_CASE_							=			'alsa'
            SCREAMING_SNAKE_CASE_							=			'default'
      elif system == "Darwin":
            SCREAMING_SNAKE_CASE_							=			'avfoundation'
            SCREAMING_SNAKE_CASE_							=			':0'
      elif system == "Windows":
            SCREAMING_SNAKE_CASE_							=			'dshow'
            SCREAMING_SNAKE_CASE_							=			'default'

      SCREAMING_SNAKE_CASE_							=			[
          'ffmpeg',
          '-f',
          format_,
          '-i',
          input_,
          '-ac',
          ac,
          '-ar',
          ar,
          '-f',
          format_for_conversion,
          '-fflags',
          'nobuffer',
          '-hide_banner',
          '-loglevel',
          'quiet',
          'pipe:1',
      ]
      SCREAMING_SNAKE_CASE_							=			int(round(sampling_rate * chunk_length_s							)							) * size_of_sample
      SCREAMING_SNAKE_CASE_							=			_ffmpeg_stream(__UpperCAmelCase			,			__UpperCAmelCase							)
      for item in iterator:
            yield item

def 					UpperCAmelCase_							(      __UpperCAmelCase						:	int			,			__UpperCAmelCase						:	float			,			__UpperCAmelCase						:	Optional[int] = None			,			__UpperCAmelCase						:	Optional[Union[Tuple[float, float], float]] = None			,			__UpperCAmelCase						:	str = "f32le"			,			)					-> Tuple:
      if stream_chunk_s is not None:
            SCREAMING_SNAKE_CASE_							=			stream_chunk_s
      else:
            SCREAMING_SNAKE_CASE_							=			chunk_length_s

      SCREAMING_SNAKE_CASE_							=			ffmpeg_microphone(__UpperCAmelCase			,			__UpperCAmelCase			,			format_for_conversion=__UpperCAmelCase							)
      if format_for_conversion == "s16le":
            SCREAMING_SNAKE_CASE_							=			np.intaa
            SCREAMING_SNAKE_CASE_							=			2
      elif format_for_conversion == "f32le":
            SCREAMING_SNAKE_CASE_							=			np.floataa
            SCREAMING_SNAKE_CASE_							=			4
      else:
            raise ValueError(f"Unhandled format `{format_for_conversion}`. Please use `s16le` or `f32le`"							)

      if stride_length_s is None:
            SCREAMING_SNAKE_CASE_							=			chunk_length_s / 6
      SCREAMING_SNAKE_CASE_							=			int(round(sampling_rate * chunk_length_s							)							) * size_of_sample
      if isinstance(__UpperCAmelCase			,			(int, float)							):
            SCREAMING_SNAKE_CASE_							=			[stride_length_s, stride_length_s]

      SCREAMING_SNAKE_CASE_							=			int(round(sampling_rate * stride_length_s[0]							)							) * size_of_sample
      SCREAMING_SNAKE_CASE_							=			int(round(sampling_rate * stride_length_s[1]							)							) * size_of_sample
      SCREAMING_SNAKE_CASE_							=			datetime.datetime.now()
      SCREAMING_SNAKE_CASE_							=			datetime.timedelta(seconds=__UpperCAmelCase							)
      for item in chunk_bytes_iter(__UpperCAmelCase			,			__UpperCAmelCase			,			stride=(stride_left, stride_right)			,			stream=__UpperCAmelCase							):
            # Put everything back in numpy scale
            SCREAMING_SNAKE_CASE_							=			np.frombuffer(item['raw']			,			dtype=__UpperCAmelCase							)
            SCREAMING_SNAKE_CASE_							=			(
                item['stride'][0] // size_of_sample,
                item['stride'][1] // size_of_sample,
            )
            SCREAMING_SNAKE_CASE_							=			sampling_rate
            audio_time += delta
            if datetime.datetime.now() > audio_time + 10 * delta:
                  # We're late !! SKIP
                  continue
            yield item

def 					UpperCAmelCase_							(      __UpperCAmelCase						:	Optional[Any]			,			__UpperCAmelCase						:	int			,			__UpperCAmelCase						:	Tuple[int, int]			,			__UpperCAmelCase						:	bool = False							)					-> Union[str, Any]:
      SCREAMING_SNAKE_CASE_							=			b''
      SCREAMING_SNAKE_CASE_						, SCREAMING_SNAKE_CASE_							=			stride
      if stride_left + stride_right >= chunk_len:
            raise ValueError(
                f"Stride needs to be strictly smaller than chunk_len: ({stride_left}, {stride_right}) vs {chunk_len}"							)
      SCREAMING_SNAKE_CASE_							=			0
      for raw in iterator:
            acc += raw
            if stream and len(__UpperCAmelCase							) < chunk_len:
                  SCREAMING_SNAKE_CASE_							=			(_stride_left, 0)
                  yield {"raw": acc[:chunk_len], "stride": stride, "partial": True}
            else:
                  while len(__UpperCAmelCase							) >= chunk_len:
                        # We are flushing the accumulator
                        SCREAMING_SNAKE_CASE_							=			(_stride_left, stride_right)
                        SCREAMING_SNAKE_CASE_							=			{'raw': acc[:chunk_len], 'stride': stride}
                        if stream:
                              SCREAMING_SNAKE_CASE_							=			False
                        yield item
                        SCREAMING_SNAKE_CASE_							=			stride_left
                        SCREAMING_SNAKE_CASE_							=			acc[chunk_len - stride_left - stride_right :]
    # Last chunk
      if len(__UpperCAmelCase							) > stride_left:
            SCREAMING_SNAKE_CASE_							=			{'raw': acc, 'stride': (_stride_left, 0)}
            if stream:
                  SCREAMING_SNAKE_CASE_							=			False
            yield item





def 					UpperCAmelCase_							(      __UpperCAmelCase						:	List[str]			,			__UpperCAmelCase						:	int							)					-> Optional[Any]:
      SCREAMING_SNAKE_CASE_							=			2**24  # 16Mo
      try:
            with subprocess.Popen(__UpperCAmelCase			,			stdout=subprocess.PIPE			,			bufsize=__UpperCAmelCase							) as ffmpeg_process:
                  while True:
                        SCREAMING_SNAKE_CASE_							=			ffmpeg_process.stdout.read(__UpperCAmelCase							)
                        if raw == b"":
                              break
                        yield raw
      except FileNotFoundError as error:
            raise ValueError('ffmpeg was not found but is required to stream audio files from filename'							) from error





from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_tokenizers_available,
    is_torch_available,
    is_vision_available,
)


lowerCamelCase__ :   Union[str, Any]					=							{
    'configuration_layoutlmv2': ['LAYOUTLMV2_PRETRAINED_CONFIG_ARCHIVE_MAP', 'LayoutLMv2Config'],
    'processing_layoutlmv2': ['LayoutLMv2Processor'],
    'tokenization_layoutlmv2': ['LayoutLMv2Tokenizer'],
}

try:
   if not is_tokenizers_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   lowerCamelCase__ :   Any					=							['LayoutLMv2TokenizerFast']

try:
   if not is_vision_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   lowerCamelCase__ :   Dict					=							['LayoutLMv2FeatureExtractor']
   lowerCamelCase__ :   Dict					=							['LayoutLMv2ImageProcessor']

try:
   if not is_torch_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   lowerCamelCase__ :   Union[str, Any]					=							[
       'LAYOUTLMV2_PRETRAINED_MODEL_ARCHIVE_LIST',
       'LayoutLMv2ForQuestionAnswering',
       'LayoutLMv2ForSequenceClassification',
       'LayoutLMv2ForTokenClassification',
       'LayoutLMv2Layer',
       'LayoutLMv2Model',
       'LayoutLMv2PreTrainedModel',
   ]

if TYPE_CHECKING:
   from .configuration_layoutlmva import LAYOUTLMV2_PRETRAINED_CONFIG_ARCHIVE_MAP, LayoutLMvaConfig
   from .processing_layoutlmva import LayoutLMvaProcessor
   from .tokenization_layoutlmva import LayoutLMvaTokenizer

   try:
      if not is_tokenizers_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .tokenization_layoutlmva_fast import LayoutLMvaTokenizerFast

   try:
      if not is_vision_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .feature_extraction_layoutlmva import LayoutLMvaFeatureExtractor, LayoutLMvaImageProcessor

   try:
      if not is_torch_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_layoutlmva import (
          LAYOUTLMV2_PRETRAINED_MODEL_ARCHIVE_LIST,
          LayoutLMvaForQuestionAnswering,
          LayoutLMvaForSequenceClassification,
          LayoutLMvaForTokenClassification,
          LayoutLMvaLayer,
          LayoutLMvaModel,
          LayoutLMvaPreTrainedModel,
      )
else:
   import sys

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