python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2024-09-21 03:18:57 +03:00
Code Issues Packages Projects Releases Wiki Activity

Raise the same error if a truncated image is loaded a second time

Browse Source
This commit is contained in:
Andrew Murray 2019-07-13 08:37:17 +10:00
parent 1c57a41ece
commit 023dcf27c2
4 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Tests/test_file_jpeg.py
View File

@ -372,6 +372,10 @@ class TestFileJpeg(PillowTestCase):
with self.assertRaises(IOError):
im.load()
# Test that the error is raised if loaded a second time
with self.assertRaises(IOError):
im.load()
def _n_qtables_helper(self, n, test_file):
im = Image.open(test_file)
f = self.tempfile("temp.jpg")

4
Tests/test_imagefile.py
View File

@ -113,6 +113,10 @@ class TestImageFile(PillowTestCase):
with self.assertRaises(IOError):
im.load()
# Test that the error is raised if loaded a second time
with self.assertRaises(IOError):
im.load()
def test_truncated_without_errors(self):
if "zip_encoder" not in codecs:
self.skipTest("PNG (zlib) encoder not available")

1
src/PIL/ImageFile.py
View File

@ -243,7 +243,6 @@ class ImageFile(Image.Image):
if LOAD_TRUNCATED_IMAGES:
break
else:
self.tile = []
raise IOError(
"image file is truncated "
"(%d bytes not processed)" % len(b)

3
src/PIL/PngImagePlugin.py
View File

@ -612,7 +612,7 @@ class PngImageFile(ImageFile.ImageFile):
rawmode, data = self.png.im_palette
self.palette = ImagePalette.raw(rawmode, data)
self.__idat = length # used by load_read()
self.__prepare_idat = length # used by load_prepare()
@property
def text(self):
@ -645,6 +645,7 @@ class PngImageFile(ImageFile.ImageFile):
if self.info.get("interlace"):
self.decoderconfig = self.decoderconfig + (1,)
self.__idat = self.__prepare_idat # used by load_read()
ImageFile.ImageFile.load_prepare(self)
def load_read(self, read_bytes):