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Fix PSQL KeyValueStore implementation for python 2/3 compatibility #365
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Will Python 3 attempt to read objects that have been pickled in Python 2? The documentation makes it seem like this is the case, which would defeat the purpose of changing the protocol number.
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A) I just noticed that I didn't try using the
fix_imports
flag for python 3's pickle. I'll have to try that in my compatibility failures I was seeing.B) A python 3 instance of
PostgresKeyValueStore
will attempt to read the data in the table and columns its pointed to, even if that data was written by a python 2 instance ofPostgresKeyValueStore
. I had tried using a pinned protocol version of 2 (since both python versions understand that version) but was still seeing compatibility issues. This may have been the correct thing to do when I try (A).