python-pillow/Pillow
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protect .draft() from second call

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This commit is contained in:
homm 2016-11-22 04:28:04 +03:00
parent 8f6b7b258b
commit 55fca4857c
2 changed files with 13 additions and 0 deletions
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4
PIL/JpegImagePlugin.py
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@ -341,6 +341,10 @@ class JpegImageFile(ImageFile.ImageFile):
if len(self.tile) != 1:
return
# Protect from second call
if self.decoderconfig:
return
d, e, o, a = self.tile[0]
scale = 0

9
Tests/test_image_draft.py
View File

@ -20,6 +20,9 @@ class TestImageDraft(PillowTestCase):
for in_size, req_size, out_size in [
((435, 361), (2048, 2048), (435, 361)), # bigger
((435, 361), (435, 361), (435, 361)), # same
((128, 128), (64, 64), (64, 64)),
((128, 128), (32, 32), (32, 32)),
((128, 128), (16, 16), (16, 16)),
# large requested width
((435, 361), (218, 128), (435, 361)), # almost 2x
@ -40,6 +43,7 @@ class TestImageDraft(PillowTestCase):
((435, 361), (16, 22), (55, 46)), # more than 16x
]:
im = self.draft_roundtrip('L', in_size, None, req_size)
im.load()
self.assertEqual(im.size, out_size)
def test_mode(self):
@ -58,8 +62,13 @@ class TestImageDraft(PillowTestCase):
("CMYK", "YCbCr", "CMYK"),
]:
im = self.draft_roundtrip(in_mode, (64, 64), req_mode, None)
im.load()
self.assertEqual(im.mode, out_mode)
def test_several_drafts(self):
im = self.draft_roundtrip('L', (128, 128), None, (64, 64))
im.draft(None, (64, 64))
im.load()
if __name__ == '__main__':
unittest.main()