class_docstr: Audio data file wrapper that ensures that the file is loaded with the correct sample rate, channels,
  and width, and converts the file on the fly otherwise.
class_docstr_tok: ["Audio","data","file","wrapper","that","ensures","that","the","file","is","loaded","with","the","correct","sample","rate",",","channels",",","and","width",",","and","converts","the","file","on","the","fly","otherwise","."]
code: def __enter__(self):
      if self.audio_path.endswith(".wav"):
          self.open_file = open_remote(self.audio_path, "rb")
          self.open_wav = wave.open(self.open_file)
          if (
              read_audio_format_from_wav_file(self.open_wav)
              == self.audio_format
          ):
              if self.as_path:
                  self.open_wav.close()
                  self.open_file.close()
                  return self.audio_path
              return self.open_wav
          self.open_wav.close()
          self.open_file.close()
  
      # If the format isn't right, copy the file to local tmp dir and do the conversion on disk
      if is_remote_path(self.audio_path):
          _, self.tmp_src_file_path = tempfile.mkstemp(suffix=".wav")
          copy_remote(self.audio_path, self.tmp_src_file_path, True)
          self.audio_path = self.tmp_src_file_path
  
      _, self.tmp_file_path = tempfile.mkstemp(suffix=".wav")
      convert_audio(
          self.audio_path,
          self.tmp_file_path,
          file_type="wav",
          audio_format=self.audio_format,
      )
      if self.as_path:
          return self.tmp_file_path
      self.open_wav = wave.open(self.tmp_file_path, "rb")
      return self.open_wav
  
imports: import collections
  import ctypes
  import io
  import math
  import numpy
  import os
  import pyogg
  import tempfile
  import wave
  from .helpers import LimitingPool
  from collections import namedtuple
  from .io import open_remote, remove_remote, copy_remote, is_remote_path
label_desc: Use image node_id 2 for calling the AudioFile obj's underlying member method code with example usage: obj.__enter__() and returns: self, self, self, self