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53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
from tester import *
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from PIL import Image
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from test_file_libtiff import _assert_noerr
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codecs = dir(Image.core)
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if "group4_encoder" not in codecs or "group4_decoder" not in codecs:
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skip("tiff support not available")
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""" The small lena image was failing on open in the libtiff
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decoder because the file pointer was set to the wrong place
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by a spurious seek. It wasn't failing with the byteio method.
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It was fixed by forcing an lseek to the beginning of the
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file just before reading in libtiff. These tests remain
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to ensure that it stays fixed. """
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def test_g4_lena_file():
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"""Testing the open file load path"""
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file = "Tests/images/lena_g4.tif"
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with open(file,'rb') as f:
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im = Image.open(f)
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assert_equal(im.size, (128,128))
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_assert_noerr(im)
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def test_g4_lena_bytesio():
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"""Testing the bytesio loading code path"""
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from io import BytesIO
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file = "Tests/images/lena_g4.tif"
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s = BytesIO()
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with open(file,'rb') as f:
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s.write(f.read())
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s.seek(0)
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im = Image.open(s)
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assert_equal(im.size, (128,128))
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_assert_noerr(im)
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def test_g4_lena():
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"""The 128x128 lena image fails for some reason. Investigating"""
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file = "Tests/images/lena_g4.tif"
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im = Image.open(file)
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assert_equal(im.size, (128,128))
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_assert_noerr(im)
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