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fix: better generic support in document array stack #1147

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merged 12 commits into from
Feb 20, 2023
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@samsja samsja commented Feb 17, 2023

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Make AbstractArray a generic compatbile with type var and string

fix this : #1146

from docarray import DocumentArray, BaseDocument
from typing import TypeVar, List

T = TypeVar('T', bound=BaseDocument)


def f(a: DocumentArray[T]) -> DocumentArray[T]:
    return a


def g(a: DocumentArray['BaseDocument']) -> DocumentArray['BaseDocument']:
    return a

this work now

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📝 Docs are deployed on https://ft-fix-generic--jina-docs.netlify.app 🎉

def __class_getitem__(cls, item: Type[BaseDocument]):
def __class_getitem__(cls, item: Union[Type[BaseDocument], TypeVar, str]):
if not isinstance(item, type):
return Generic.__class_getitem__.__func__(cls, item) # type: ignore
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How did you know this is what is required?

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is this even doing anything?

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is this even doing anything?

this is not doing anything else than checking the the item is valid Generic. I think it does not harm to keep it

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is this even doing anything?

this is not doing anything else than checking the the item is valid Generic. I think it does not harm to keep it

Crashed in Python 3.12.0

    return Generic.__class_getitem__.__func__(cls, item)  # type: ignore
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'builtin_function_or_method' object has no attribute '__func__'. Did you mean: '__doc__'?

@samsja samsja changed the title Fix generic fix: better generic support in document array stack Feb 20, 2023
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Tried with pydantic generic model. Seems to work

954-Ivory added a commit to 954-Ivory/docarray that referenced this pull request Dec 22, 2023
954-Ivory added a commit to 954-Ivory/docarray that referenced this pull request Dec 22, 2023
Signed-off-by: 954 <[email protected]>

fix: judge based on Python version

Signed-off-by: 954 <[email protected]>

fix: format for black

Signed-off-by: 954 <[email protected]>
954-Ivory added a commit to 954-Ivory/docarray that referenced this pull request Dec 22, 2023
954-Ivory added a commit to 954-Ivory/docarray that referenced this pull request Dec 22, 2023
JoanFM pushed a commit that referenced this pull request Dec 22, 2023
@JoanFM JoanFM mentioned this pull request Dec 22, 2023
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5 participants