ref(types): Correct ExcInfo type

Previously, we defined `ExcInfo` as `tuple[Type[BaseException] | None, BaseException | None, TracebackType | None]`, when in fact, the correct type is the narrower `tuple[Type[BaseException], BaseException, TracebackType | None] | tuple[None, None, None]`.

sentry_sdk/_types.py

@@ -121,8 +121,9 @@
  total=False,
  )
 
- ExcInfo = Tuple[
- Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]
+ ExcInfo = Union[
+ tuple[Type[BaseException], BaseException, Optional[TracebackType]],
+ tuple[None, None, None],
  ]
 
  Hint = Dict[str, Any]

sentry_sdk/integrations/sanic.py

@@ -28,13 +28,12 @@
  from typing import Callable
  from typing import Optional
  from typing import Union
- from typing import Tuple
  from typing import Dict
 
  from sanic.request import Request, RequestParameters
  from sanic.response import BaseHTTPResponse
 
- from sentry_sdk._types import Event, EventProcessor, Hint
+ from sentry_sdk._types import Event, EventProcessor, ExcInfo, Hint
  from sanic.router import Route
 
 try:
@@ -325,7 +324,7 @@ def _legacy_router_get(self, *args):
 
 @ensure_integration_enabled(SanicIntegration)
 def _capture_exception(exception):
- # type: (Union[Tuple[Optional[type], Optional[BaseException], Any], BaseException]) -> None
+ # type: (Union[ExcInfo, BaseException]) -> None
  with capture_internal_exceptions():
  event, hint = event_from_exception(
  exception,

sentry_sdk/utils.py

@@ -1019,7 +1019,14 @@ def exc_info_from_error(error):
  else:
  raise ValueError("Expected Exception object to report, got %s!" % type(error))
 
- return exc_type, exc_value, tb
+ exc_info = (exc_type, exc_value, tb)
+
+ if TYPE_CHECKING:
+ # This cast is safe because exc_type and exc_value are either both
+ # None or both not None.
+ exc_info = cast(ExcInfo, exc_info)
+
+ return exc_info
 
 
 def event_from_exception(