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class Camera(object):
'''Camera facade.
'''
def take_picture(self, filename, on_complete):
'''Ask the OS to capture a picture, and store it at filename.
When the capture is done, on_complete will be called with the filename
as an argument. If the callback returns True, the filename will be
unlinked.
:param filename: Name of the image file
:param on_complete: Callback that will be called when the operation is
done
:type filename: str
:type on_complete: callable
'''
self._take_picture(filename=filename, on_complete=on_complete)
def take_video(self, filename, on_complete):
'''Ask the OS to capture a video, and store it at filename.
When the capture is done, on_complete will be called with the filename
as an argument. If the callback returns True, the filename will be
unlinked.
:param filename: Name of the video file
:param on_complete: Callback that will be called when the operation is
done
:type filename: str
:type on_complete: callable
'''
self._take_video(filename=filename, on_complete=on_complete)
# private
def _take_picture(self, **kwargs):
raise NotImplementedError()
def _take_video(self, **kwargs):
raise NotImplementedError()
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