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Original file line number | Diff line number | Diff line change |
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from io import BytesIO | ||
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import pytest | ||
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from PIL import Image | ||
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from .helper import is_win32, skip_unless_feature | ||
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# Limits for testing the leak | ||
mem_limit = 1024 * 1048576 | ||
stack_size = 8 * 1048576 | ||
iterations = int((mem_limit / stack_size) * 2) | ||
test_file = "Tests/images/avif/hopper.avif" | ||
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pytestmark = [ | ||
pytest.mark.skipif(is_win32(), reason="requires Unix or macOS"), | ||
skip_unless_feature("avif"), | ||
] | ||
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def test_leak_load(): | ||
from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit | ||
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setrlimit(RLIMIT_STACK, (stack_size, stack_size)) | ||
setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) | ||
for _ in range(iterations): | ||
with Image.open(test_file) as im: | ||
im.load() | ||
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def test_leak_save(): | ||
from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit | ||
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setrlimit(RLIMIT_STACK, (stack_size, stack_size)) | ||
setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) | ||
for _ in range(iterations): | ||
with Image.open(test_file) as im: | ||
im.load() | ||
test_output = BytesIO() | ||
im.save(test_output, "AVIF") | ||
test_output.seek(0) | ||
test_output.read() |
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