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| mgedmin | so, transparent ZODB migration to Python 3 hit a small snag | 15:15 |
|---|---|---|
| mgedmin | https://github.com/zopefoundation/zodbpickle#loadingstoring-python-2-strings | 15:15 |
| srichter | the problem is that we cannot just convert Py2 str to Py3 bytes indiscriminitorily | 15:16 |
| srichter | because attribute names, for example, are stored as Py2 str, woulc be decoded as Py3 bytes and thus assigning the attribute fails | 15:17 |
| srichter | the idea we are toying with is to hint the class somehow to indicate the fields that are bytes | 15:18 |
| srichter | another idea is to always try to decode and if we hit non-ascii chars, we leave bytes | 15:18 |
| srichter | mgedmin: mmh, what about creating a string implementation for Py3 that resembles the Py2 string? | 15:20 |
| srichter | I guess that's too hacky | 15:20 |
| mgedmin | I can't come up with anything better than 'try ascii, fall back to bytes' | 15:27 |
| srichter | let's try that first and see how it goes | 15:27 |
| srichter | we or someone else can provide the app-level fixes later | 15:28 |
| mgedmin | API suggestion: pickle.loads(data, encoding="ASCII", errors="bytes") | 15:33 |
| srichter | mgedmin: +1 | 15:40 |
| mgedmin | https://github.com/zopefoundation/zodbpickle/commit/b5cedd8e1ae56ccd8e8bba8524d932dbda6e6107 | 15:54 |
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