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This way, if original parent object is GC'd, the memoryview still points to the underlying buffer data so that buffer is not GC'd.
19 lines
351 B
Python
19 lines
351 B
Python
# test memoryview retains pointer to original object/buffer
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b = bytearray(10)
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m = memoryview(b)[1:]
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for i in range(len(m)):
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m[i] = i
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# reclaim b, but hopefully not the buffer
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b = None
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import gc
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gc.collect()
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# allocate lots of memory
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for i in range(100000):
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[42, 42, 42, 42]
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# check that the memoryview is still what we want
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print(list(m))
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