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OpenJPEG failing tests on big endian #1204

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#5901
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OpenJPEG failing tests on big endian#1204
#5901
Labels
Big-endianBig-endian processorsBugAny unexpected behavior, until confirmed feature.
Milestone
Future
@nijel

Description

@nijel
nijel
opened on Apr 22, 2015

Looks like there are quite some issues within the code when executed on big endian machine, see testsuite failures:

======================================================================
ERROR: TestFileIco.test_save_to_bytes
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_ico.py", line 27, in test_save_to_bytes
    reloaded = Image.open(output)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8992cb90>

======================================================================
ERROR: TestFileJpeg2k.test_16bit_j2k_roundtrips
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 157, in test_16bit_j2k_roundtrips
    im = self.roundtrip(j2k)
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff896f2050>

======================================================================
ERROR: TestFileJpeg2k.test_16bit_jp2_roundtrips
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 163, in test_16bit_jp2_roundtrips
    im = self.roundtrip(jp2)
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff896f2050>

======================================================================
ERROR: TestFileJpeg2k.test_irreversible_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 83, in test_irreversible_rt
    im = self.roundtrip(test_card, irreversible=True, quality_layers=[20])
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff896f2050>

======================================================================
ERROR: TestFileJpeg2k.test_layers
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 107, in test_layers
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff896f2050>

======================================================================
ERROR: TestFileJpeg2k.test_lossless_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 65, in test_lossless_rt
    im = self.roundtrip(test_card)
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8afe2770>

======================================================================
ERROR: TestFileJpeg2k.test_lossy_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 69, in test_lossy_rt
    im = self.roundtrip(test_card, quality_layers=[20])
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8afe2770>

======================================================================
ERROR: TestFileJpeg2k.test_prog_qual_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 88, in test_prog_qual_rt
    test_card, quality_layers=[60, 40, 20], progression='LRCP')
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8afe2770>

======================================================================
ERROR: TestFileJpeg2k.test_prog_res_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 92, in test_prog_res_rt
    im = self.roundtrip(test_card, num_resolutions=8, progression='RLCP')
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8afe2770>

======================================================================
ERROR: TestFileJpeg2k.test_tiled_offset_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 79, in test_tiled_offset_rt
    tile_offset=(0, 0), offset=(32, 32))
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8992cb90>

======================================================================
ERROR: TestFileJpeg2k.test_tiled_rt
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 73, in test_tiled_rt
    im = self.roundtrip(test_card, tile_size=(128, 128))
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 27, in roundtrip
    im = Image.open(out)
  File "/home/abuild/rpmbuild/BUILDROOT/python-Pillow-2.8.1-37.1.ppc64/usr/lib64/python2.7/site-packages/PIL/Image.py", line 2290, in open
    % (filename if filename else fp))
IOError: cannot identify image file <_io.BytesIO object at 0x3fff8992cb90>

======================================================================
FAIL: TestFileJpeg2k.test_16bit_monchrome_j2k_like_tiff
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 152, in test_16bit_monchrome_j2k_like_tiff
    self.assert_image_similar(j2k, tiff_16bit, 1e-3)
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/helper.py", line 105, in assert_image_similar
    ave_diff, epsilon))
AssertionError:  average pixel value difference 250.8379 > epsilon 0.0010

======================================================================
FAIL: TestFileJpeg2k.test_16bit_monchrome_jp2_like_tiff
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/test_file_jpeg2k.py", line 146, in test_16bit_monchrome_jp2_like_tiff
    self.assert_image_similar(jp2, tiff_16bit, 1e-3)
  File "/home/abuild/rpmbuild/BUILD/Pillow-2.8.1/Tests/helper.py", line 105, in assert_image_similar
    ave_diff, epsilon))
AssertionError:  average pixel value difference 250.8379 > epsilon 0.0010

Full build log can be found here:

https://build.opensuse.org/package/live_build_log/devel:languages:python/python-Pillow/openSUSE_Tumbleweed/ppc64

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