bitset -> bit field
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@ -73,7 +73,7 @@ invalidation will be done by comparing the metadata of the source file with that
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in the header.
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If the lowest bit of the bit field is set, the pyc is a hash-based pyc. We call
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the second lowest bit the ``check_source`` flag. Following the bitset is a
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the second lowest bit the ``check_source`` flag. Following the bit field is a
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64-bit hash of the source file. We will use a SipHash_ with a hardcoded key of
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the contents of the source file. Another a fast hash like MD5 or BLAKE2_ would
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also work. We choose SipHash because Python already has a builtin implementation
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