old_contents: """Mock module for Sphinx autodoc."""
  
  
  import ctypes.util
  
  
  old_find_library = ctypes.util.find_library
  
  
  def new_find_library(name):
      if 'portaudio' in name.lower():
          return NotImplemented
      return old_find_library(name)
  
  
  # Monkey-patch ctypes to disable searching for PortAudio
  ctypes.util.find_library = new_find_library
  
  
  class ffi(object):
  
      NULL = NotImplemented
      I_AM_FAKE = True  # This is used for the documentation of "default"
  
      def dlopen(self, _):
          return FakeLibrary()
  
  
  ffi = ffi()
  
  
  class FakeLibrary(object):
  
      # from portaudio.h:
  
      paFloat32 = paInt32 = paInt24 = paInt16 = paInt8 = paUInt8 = NotImplemented
      paFramesPerBufferUnspecified = 0
  
      def Pa_Initialize(self):
          return 0
  
      def Pa_Terminate(self):
          return 0
  
      # from stdio.h:
  
      def fopen(*args, **kwargs):
          return NotImplemented
  
      def fclose(*args):
          pass
  
new_contents: """Mock module for Sphinx autodoc."""
  
  
  import ctypes.util
  
  
  old_find_library = ctypes.util.find_library
  
  
  def new_find_library(name):
      if 'portaudio' in name.lower():
          return NotImplemented
      return old_find_library(name)
  
  
  # Monkey-patch ctypes to disable searching for PortAudio
  ctypes.util.find_library = new_find_library
  
  
  class ffi(object):
  
      NULL = NotImplemented
      I_AM_FAKE = True  # This is used for the documentation of "default"
  
      def dlopen(self, _):
          return FakeLibrary()
  
  
  ffi = ffi()
  
  
  class FakeLibrary(object):
  
      # from portaudio.h:
  
      paFloat32 = paInt32 = paInt24 = paInt16 = paInt8 = paUInt8 = NotImplemented
      paFramesPerBufferUnspecified = 0
  
      def Pa_Initialize(self):
          return 0
  
      def Pa_Terminate(self):
          return 0
  
      # from stdio.h:
  
      def fopen(*args, **kwargs):
          return NotImplemented
  
      def fclose(*args):
          pass
  
      stderr = NotImplemented
  
subject: Add mock attribute "stderr"