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Debugging on tests

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This commit is contained in:
wiredfool 2014-08-26 20:15:03 -07:00
parent f90a515464
commit 40e5265c3b
3 changed files with 14 additions and 1 deletions
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9
PIL/TiffImagePlugin.py
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@ -448,7 +448,11 @@ class ImageFileDirectory(collections.MutableMapping):
# Get and expand tag value # Get and expand tag value
if size > 4: if size > 4:
here = fp.tell() here = fp.tell()
if Image.DEBUG:
print ("Tag Location: %s" %here)
fp.seek(i32(ifd, 8)) fp.seek(i32(ifd, 8))
if Image.DEBUG:
print ("Data Location: %s" %fp.tell())
data = ImageFile._safe_read(fp, size) data = ImageFile._safe_read(fp, size)
fp.seek(here) fp.seek(here)
else: else:
@ -654,7 +658,12 @@ class TiffImageFile(ImageFile.ImageFile):
while self.__frame < frame: while self.__frame < frame:
if not self.__next: if not self.__next:
raise EOFError("no more images in TIFF file") raise EOFError("no more images in TIFF file")
if Image.DEBUG:
print("Seeking to frame %s, on frame %s, __next %s, location: %s"%
(frame, self.__frame, self.__next, self.fp.tell()))
self.fp.seek(self.__next) self.fp.seek(self.__next)
if Image.DEBUG:
print("Loading tags, location: %s"%self.fp.tell())
self.tag.load(self.fp) self.tag.load(self.fp)
self.__next = self.tag.next self.__next = self.tag.next
self.__frame += 1 self.__frame += 1

2
Tests/test_file_libtiff.py
View File

@ -314,6 +314,7 @@ class TestFileLibTiff(PillowTestCase):
def test_multipage(self): def test_multipage(self):
# issue #862 # issue #862
TiffImagePlugin.READ_LIBTIFF = True TiffImagePlugin.READ_LIBTIFF = True
Image.DEBUG=True
im = Image.open('Tests/images/multipage.tiff') im = Image.open('Tests/images/multipage.tiff')
# file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue # file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue
@ -331,6 +332,7 @@ class TestFileLibTiff(PillowTestCase):
self.assertFalse(im.tag.next) self.assertFalse(im.tag.next)
self.assertEqual(im.size, (20,20)) self.assertEqual(im.size, (20,20))
self.assertEqual(im.convert('RGB').getpixel((0,0)), (0,0,255)) self.assertEqual(im.convert('RGB').getpixel((0,0)), (0,0,255))
Image.DEBUG=False
TiffImagePlugin.READ_LIBTIFF = False TiffImagePlugin.READ_LIBTIFF = False

2
Tests/test_imagesequence.py
View File

@ -23,11 +23,13 @@ class TestImageSequence(PillowTestCase):
self.assertEqual(index, 1) self.assertEqual(index, 1)
def _test_multipage_tiff(self): def _test_multipage_tiff(self):
Image.DEBUG=True
im = Image.open('Tests/images/multipage.tiff') im = Image.open('Tests/images/multipage.tiff')
for index, frame in enumerate(ImageSequence.Iterator(im)): for index, frame in enumerate(ImageSequence.Iterator(im)):
frame.load() frame.load()
self.assertEqual(index, im.tell()) self.assertEqual(index, im.tell())
frame.convert('RGB') frame.convert('RGB')
Image.DEBUG=False
def test_tiff(self): def test_tiff(self):
return self._test_multipage_tiff() return self._test_multipage_tiff()