text: 
  _is_init = 0
  
  
  
  def init():
      global list_cameras, Camera, colorspace, _is_init
  
  
      import os,sys
  
      use_opencv = False
      use_vidcapture = False
      use__camera = True
  
  
      if sys.platform == 'win32':
          use_vidcapture = True
          use__camera = True
  
      elif "linux" in sys.platform:
          use__camera = True
      elif "darwin" in sys.platform:
          use__camera = True
      else:
          use_opencv = True
  
  
  
      # see if we have any user specified defaults in environments.
      camera_env = os.environ.get("PYGAME_CAMERA", "")
      if camera_env == "opencv":
          use_opencv = True
      if camera_env == "vidcapture":
          use_vidcapture = True
  
  
  
      # select the camera module to import here.
  
      # the _camera module has some code which can be reused by other modules.
      #  it will also be the default one.
      if use__camera:
          from pygame import _camera
          colorspace = _camera.colorspace
  
          list_cameras = _camera.list_cameras
          Camera = _camera.Camera
  
      if use_opencv:
          try:
              from pygame import _camera_opencv_highgui
          except:
              _camera_opencv_highgui = None
  
          if _camera_opencv_highgui:
              _camera_opencv_highgui.init()
  
              list_cameras = _camera_opencv_highgui.list_cameras
              Camera = _camera_opencv_highgui.Camera
  
      if use_vidcapture:
          try:
              from pygame import _camera_vidcapture
          except:
              _camera_vidcapture = None
  
          if _camera_vidcapture:
              _camera_vidcapture.init()
              list_cameras = _camera_vidcapture.list_cameras
              Camera = _camera_vidcapture.Camera
  
  
  
      _is_init = 1
      pass
  
  
  def quit():
      global _is_init
      _is_init = 0
      pass
   
  
  def _check_init():
      global _is_init
      if not _is_init:
          raise ValueError("Need to call camera.init() before using.")
  
  def list_cameras():
      """
      """
      _check_init()
      raise NotImplementedError()
  
  
  class Camera:
  
      def __init__(self, device =0, size = (320, 200), mode = "RGB"):
          """
          """
          _check_init()
          raise NotImplementedError()
  
      def set_resolution(self, width, height):
          """Sets the capture resolution. (without dialog)
          """
          pass
  
      def start(self):
          """
          """
  
      def stop(self):
          """
          """
  
      def get_buffer(self):
          """
          """
  
      def set_controls(self, **kwargs):
          """
          """
  
      def get_image(self, dest_surf = None):
          """
          """
  
      def get_surface(self, dest_surf = None):
          """
          """
  
  
  
  if __name__ == "__main__":
  
      # try and use this camera stuff with the pygame camera example.
      import pygame.examples.camera
  
      #pygame.camera.Camera = Camera
      #pygame.camera.list_cameras = list_cameras
      pygame.examples.camera.main()
  
      
  
  