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🐛 Fix support for unevaluated stringified annotations

This commit is contained in:
Sebastián Ramírez 2025-12-10 12:26:45 +01:00
parent b0ba272886
commit 6e53ad71ed
1 changed files with 12 additions and 2 deletions
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10
fastapi/dependencies/utils.py
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@ -211,7 +211,12 @@ def get_flat_params(dependant: Dependant) -> List[ModelField]:
def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature: def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature:
if sys.version_info >= (3, 10): if sys.version_info >= (3, 10):
try:
signature = inspect.signature(call, eval_str=True) signature = inspect.signature(call, eval_str=True)
except NameError:
# Handle type annotations with if TYPE_CHECKING, not used by FastAPI
# e.g. dependency return types
signature = inspect.signature(call)
else: else:
signature = inspect.signature(call) signature = inspect.signature(call)
unwrapped = inspect.unwrap(call) unwrapped = inspect.unwrap(call)
@ -240,7 +245,12 @@ def get_typed_annotation(annotation: Any, globalns: Dict[str, Any]) -> Any:
def get_typed_return_annotation(call: Callable[..., Any]) -> Any: def get_typed_return_annotation(call: Callable[..., Any]) -> Any:
if sys.version_info >= (3, 10): if sys.version_info >= (3, 10):
try:
signature = inspect.signature(call, eval_str=True) signature = inspect.signature(call, eval_str=True)
except NameError:
# Handle type annotations with if TYPE_CHECKING, not used by FastAPI
# e.g. dependency return types
signature = inspect.signature(call)
else: else:
signature = inspect.signature(call) signature = inspect.signature(call)
unwrapped = inspect.unwrap(call) unwrapped = inspect.unwrap(call)