Fix inheriting from generic @frozen attrs class#15700
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hauntsaninja merged 3 commits intopython:masterfrom Aug 12, 2023
Merged
Fix inheriting from generic @frozen attrs class#15700hauntsaninja merged 3 commits intopython:masterfrom
hauntsaninja merged 3 commits intopython:masterfrom
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ikonst
commented
Jul 28, 2023
| # This variable belongs to a super class so create new Var so we | ||
| # can modify it. | ||
| var = Var(attribute.name, ctx.cls.info[attribute.name].type) | ||
| var = Var(attribute.name, attribute.init_type) |
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Actually, this is problematic with converters, e.g.
def converter(s: str) -> int:
return int(s)
@attrs.define
class C:
x: int = attrs.field(converter=converter)The attribute.init_type will be str here :(
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Ahh, nm, by the time it's deserialized, it's int again (there's also converter_init_type).
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|
@hauntsaninja can take a look? |
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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
hauntsaninja
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Aug 12, 2023
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hauntsaninja
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hauntsaninja
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Not the most familiar with attrs plugin, but this seems reasonable
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Fixes #15658.