MNT support older cython types' reduce #453
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@TamaraAtanasoska @BenjaminBossan this actually fixes the cython issues. WDYT? |
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I'm loving my |
| @@ -214,8 +220,24 @@ def __init__( | |||
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| def loss_get_state(obj: Any, save_context: SaveContext) -> dict[str, Any]: | |||
| state = reduce_get_state(obj, save_context) | |||
| state["__loader__"] = "LossNode" | |||
| reduce = obj.__reduce__() | |||
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Maybe another name as reduce used to be builtin (and there is still functools.reduce)?
Also: If the Cython version is too low, would the obj.__reduce__() fail? If this could realistically happen to users, the error could be intercepted and reraised with the message that users should update Cython to version x.y.z.
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For now we are running this code for known objects, and since Cython is a build dependency and the installed cython doesn't matter, and that we use modern cython in sklearn build, we're fine.
But if we start supporting arbitrary objects via reduce for cython, then this would be an issue.
Cython at some point automatically started to add
__reduce__to objects, which is not too bad.This also adds tests for sklearn versions 1.4 and 1.3