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43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import Image
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try:
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from PIL import _webp
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HAVE_WEBP = True
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except ImportError:
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HAVE_WEBP = False
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class TestFileWebpLossless(PillowTestCase):
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def setUp(self):
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if not HAVE_WEBP:
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self.skipTest('WebP support not installed')
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return
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if (_webp.WebPDecoderVersion() < 0x0200):
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self.skipTest('lossless not included')
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# WebPAnimDecoder only retuns RGBA or RGBX, never RGB
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self.rgb_mode = "RGBX" if _webp.HAVE_WEBPANIM else "RGB"
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def test_write_lossless_rgb(self):
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temp_file = self.tempfile("temp.webp")
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hopper(self.rgb_mode).save(temp_file, lossless=True)
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image = Image.open(temp_file)
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image.load()
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self.assertEqual(image.mode, self.rgb_mode)
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self.assertEqual(image.size, (128, 128))
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self.assertEqual(image.format, "WEBP")
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image.load()
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image.getdata()
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self.assert_image_equal(image, hopper(self.rgb_mode))
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if __name__ == '__main__':
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unittest.main()
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