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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import ImagePalette
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class TestImagePutPalette(PillowTestCase):
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def test_putpalette(self):
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def palette(mode):
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im = hopper(mode).copy()
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im.putpalette(list(range(256))*3)
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p = im.getpalette()
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if p:
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return im.mode, p[:10]
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return im.mode
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self.assertRaises(ValueError, lambda: palette("1"))
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self.assertEqual(palette("L"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
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self.assertEqual(palette("P"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
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self.assertRaises(ValueError, lambda: palette("I"))
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self.assertRaises(ValueError, lambda: palette("F"))
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self.assertRaises(ValueError, lambda: palette("RGB"))
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self.assertRaises(ValueError, lambda: palette("RGBA"))
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self.assertRaises(ValueError, lambda: palette("YCbCr"))
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def test_imagepalette(self):
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im = hopper("P")
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im.putpalette(ImagePalette.negative())
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im.putpalette(ImagePalette.random())
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im.putpalette(ImagePalette.sepia())
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im.putpalette(ImagePalette.wedge())
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if __name__ == '__main__':
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unittest.main()
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# End of file
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