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Merge pull request #830 from wiredfool/mpo-rebase

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MPO Save Documentation
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wiredfool 2014-07-30 09:37:27 -07:00
commit 910f7711ce
2 changed files with 16 additions and 2 deletions
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1
PIL/MpoImagePlugin.py
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@ -26,6 +26,7 @@ def _accept(prefix):
return JpegImagePlugin._accept(prefix) return JpegImagePlugin._accept(prefix)
def _save(im, fp, filename): def _save(im, fp, filename):
# Note that we can only save the current frame at present
return JpegImagePlugin._save(im, fp, filename) return JpegImagePlugin._save(im, fp, filename)
## ##

17
Tests/test_file_mpo.py
View File

@ -13,7 +13,8 @@ class TestFileMpo(PillowTestCase):
if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs:
self.skipTest("jpeg support not available") self.skipTest("jpeg support not available")
def roundtrip(self, im, **options): def frame_roundtrip(self, im, **options):
# Note that for now, there is no MPO saving functionality
out = BytesIO() out = BytesIO()
im.save(out, "MPO", **options) im.save(out, "MPO", **options)
bytes = out.tell() bytes = out.tell()
@ -106,7 +107,19 @@ class TestFileMpo(PillowTestCase):
im02 = im.tobytes() im02 = im.tobytes()
self.assertEqual(im0, im02) self.assertEqual(im0, im02)
self.assertNotEqual(im0, im1) self.assertNotEqual(im0, im1)
def test_save(self):
# Note that only individual frames can be saved at present
for test_file in test_files:
im = Image.open(test_file)
self.assertEqual(im.tell(), 0)
jpg0 = self.frame_roundtrip(im)
self.assert_image_similar(im, jpg0, 30)
im.seek(1)
self.assertEqual(im.tell(), 1)
jpg1 = self.frame_roundtrip(im)
self.assert_image_similar(im, jpg1, 30)
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()