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better type checking during deprecation (#5700)

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David Lord 2025-03-29 15:28:27 -07:00 • committed by GitHub
commit 315ebc1176
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1 changed files with 14 additions and 13 deletions
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27
src/flask/__init__.py
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@ -42,19 +42,20 @@ from .templating import stream_template_string as stream_template_string
from .wrappers import Request as Request from .wrappers import Request as Request
from .wrappers import Response as Response from .wrappers import Response as Response
if not t.TYPE_CHECKING:
def __getattr__(name: str) -> t.Any: def __getattr__(name: str) -> t.Any:
if name == "__version__": if name == "__version__":
import importlib.metadata import importlib.metadata
import warnings import warnings
warnings.warn( warnings.warn(
"The '__version__' attribute is deprecated and will be removed in" "The '__version__' attribute is deprecated and will be removed in"
" Flask 3.2. Use feature detection or" " Flask 3.2. Use feature detection or"
" 'importlib.metadata.version(\"flask\")' instead.", " 'importlib.metadata.version(\"flask\")' instead.",
DeprecationWarning, DeprecationWarning,
stacklevel=2, stacklevel=2,
) )
return importlib.metadata.version("flask") return importlib.metadata.version("flask")
raise AttributeError(name) raise AttributeError(name)