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fix: error type hints in Python3.12 (#1147) by 954-Ivory · Pull Request #1840 · docarray/docarray · GitHub

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fix: error type hints in Python3.12 (#1147) #1840

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Merged
JoanFM merged 1 commit into from
Dec 22, 2023
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fix: error type hints in Python3.12 (#1147) #1840

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12 changes: 10 additions & 2 deletions docarray/array/any_array.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import sys
import random
from abc import abstractmethod
from typing import (
Expand Down Expand Up @@ -29,6 +30,9 @@
from docarray.proto import DocListProto, NodeProto
from docarray.typing.tensor.abstract_tensor import AbstractTensor

if sys.version_info >= (3, 12):
from types import GenericAlias

T = TypeVar('T', bound='AnyDocArray')
T_doc = TypeVar('T_doc', bound=BaseDocWithoutId)
IndexIterType = Union[slice, Iterable[int], Iterable[bool], None]
Expand All @@ -51,8 +55,12 @@ def __repr__(self):
@classmethod
def __class_getitem__(cls, item: Union[Type[BaseDocWithoutId], TypeVar, str]):
if not isinstance(item, type):
return Generic.__class_getitem__.__func__(cls, item) # type: ignore
# this do nothing that checking that item is valid type var or str
if sys.version_info < (3, 12):
return Generic.__class_getitem__.__func__(cls, item) # type: ignore
# this do nothing that checking that item is valid type var or str
# Keep the approach in #1147 to be compatible with lower versions of Python.
else:
return GenericAlias(cls, item) # type: ignore
if not safe_issubclass(item, BaseDocWithoutId):
raise ValueError(
f'{cls.__name__}[item] item should be a Document not a {item} '
Expand Down
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