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Fixed #11158 - get_image_dimensions very slow/incorrect after 1 call

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Thanks to kua for the report, and to kua, SmileyChris and SAn for the patch



git-svn-id: http://code.djangoproject.com/svn/django/trunk@13715 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Luke Plant 2010-09-10 18:45:25 +00:00
parent 443cb9b6ed
commit 76249c3964
2 changed files with 28 additions and 7 deletions
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16
tests/regressiontests/file_storage/tests.py
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@ -230,3 +230,19 @@ if Image is not None:
finally:
del images.open
self.assert_(FileWrapper._closed)
class InconsistentGetImageDimensionsBug(TestCase):
"""
Test that get_image_dimensions() works properly after various calls using a file handler (#11158)
"""
def test_multiple_calls(self):
"""
Multiple calls of get_image_dimensions() should return the same size.
"""
from django.core.files.images import ImageFile
img_path = os.path.join(os.path.dirname(__file__), "test.png")
image = ImageFile(open(img_path))
image_pil = Image.open(img_path)
size_1, size_2 = get_image_dimensions(image), get_image_dimensions(image)
self.assertEqual(image_pil.size, size_1)
self.assertEqual(size_1, size_2)