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115 lines
3.0 KiB
Python
115 lines
3.0 KiB
Python
from helper import unittest, PillowTestCase
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from PIL import Image
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class TestFileWebpMetadata(PillowTestCase):
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def setUp(self):
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try:
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from PIL import _webp
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except:
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self.skipTest('WebP support not installed')
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return
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if not _webp.HAVE_WEBPMUX:
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self.skipTest('WebPMux support not installed')
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def test_read_exif_metadata(self):
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file_path = "Tests/images/flower.webp"
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image = Image.open(file_path)
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self.assertEqual(image.format, "WEBP")
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exif_data = image.info.get("exif", None)
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self.assertTrue(exif_data)
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exif = image._getexif()
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# camera make
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self.assertEqual(exif[271], "Canon")
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jpeg_image = Image.open('Tests/images/flower.jpg')
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expected_exif = jpeg_image.info['exif']
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self.assertEqual(exif_data, expected_exif)
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def test_write_exif_metadata(self):
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from io import BytesIO
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file_path = "Tests/images/flower.jpg"
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image = Image.open(file_path)
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expected_exif = image.info['exif']
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test_buffer = BytesIO()
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image.save(test_buffer, "webp", exif=expected_exif)
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test_buffer.seek(0)
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webp_image = Image.open(test_buffer)
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webp_exif = webp_image.info.get('exif', None)
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self.assertTrue(webp_exif)
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if webp_exif:
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self.assertEqual(
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webp_exif, expected_exif, "WebP EXIF didn't match")
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def test_read_icc_profile(self):
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file_path = "Tests/images/flower2.webp"
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image = Image.open(file_path)
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self.assertEqual(image.format, "WEBP")
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self.assertTrue(image.info.get("icc_profile", None))
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icc = image.info['icc_profile']
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jpeg_image = Image.open('Tests/images/flower2.jpg')
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expected_icc = jpeg_image.info['icc_profile']
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self.assertEqual(icc, expected_icc)
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def test_write_icc_metadata(self):
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from io import BytesIO
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file_path = "Tests/images/flower2.jpg"
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image = Image.open(file_path)
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expected_icc_profile = image.info['icc_profile']
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test_buffer = BytesIO()
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image.save(test_buffer, "webp", icc_profile=expected_icc_profile)
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test_buffer.seek(0)
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webp_image = Image.open(test_buffer)
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webp_icc_profile = webp_image.info.get('icc_profile', None)
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self.assertTrue(webp_icc_profile)
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if webp_icc_profile:
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self.assertEqual(
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webp_icc_profile, expected_icc_profile,
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"Webp ICC didn't match")
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def test_read_no_exif(self):
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from io import BytesIO
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file_path = "Tests/images/flower.jpg"
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image = Image.open(file_path)
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self.assertTrue('exif' in image.info)
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test_buffer = BytesIO()
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image.save(test_buffer, "webp")
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test_buffer.seek(0)
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webp_image = Image.open(test_buffer)
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self.assertFalse(webp_image._getexif())
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if __name__ == '__main__':
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unittest.main()
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# End of file
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