rustsynth-sys 0.5.6

Low level bindings to VapourSynth
Documentation 
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import weakref
import unittest
import vapoursynth as vs


class FilterTestSequence(unittest.TestCase):

    def setUp(self):
        self.core = vs.core

    def test_weakref_coreproxy(self):
        with self.assertRaises(TypeError):
            ref = weakref.ref(self.core)

    def test_weakref_core(self):
        ref = weakref.ref(self.core.core)
        self.assertTrue(ref() is self.core.core)

    def test_weakref_node(self):
        video = self.core.std.BlankClip()
        ref = weakref.ref(video)
        self.assertTrue(ref() is video)

    def test_weakref_frame(self):
        video = self.core.std.BlankClip()
        frame = video.get_frame(0)
        ref = weakref.ref(frame)
        self.assertTrue(ref() is frame)

if __name__ == '__main__':
    unittest.main()