wehub-resource-sync
46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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import pickle
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from pathlib import Path
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import pytest
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from PIL import Image
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from vllm.multimodal.media import MediaWithBytes
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pytestmark = pytest.mark.cpu_test
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ASSETS_DIR = Path(__file__).parent.parent / "assets"
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assert ASSETS_DIR.exists()
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def test_media_with_bytes_pickle_roundtrip():
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"""Regression test for pickle/unpickle of MediaWithBytes.
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Verifies that MediaWithBytes can be pickled and unpickled without
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RecursionError. See: https://github.com/vllm-project/vllm/issues/30818
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"""
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original_image = Image.open(ASSETS_DIR / "image1.png").convert("RGB")
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original_bytes = b"test_bytes_data"
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wrapper = MediaWithBytes(media=original_image, original_bytes=original_bytes)
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# Verify attribute delegation works before pickling
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assert wrapper.width == original_image.width
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assert wrapper.height == original_image.height
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assert wrapper.mode == original_image.mode
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# Pickle and unpickle (this would cause RecursionError before the fix)
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pickled = pickle.dumps(wrapper)
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unpickled = pickle.loads(pickled)
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# Verify the unpickled object works correctly
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assert unpickled.original_bytes == original_bytes
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assert unpickled.media.width == original_image.width
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assert unpickled.media.height == original_image.height
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# Verify attribute delegation works after unpickling
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assert unpickled.width == original_image.width
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assert unpickled.height == original_image.height
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assert unpickled.mode == original_image.mode
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