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Add more c-api error functions #7915

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Merged
youknowone merged 2 commits into from
May 19, 2026
Merged

Add more c-api error functions #7915

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39bf4da
Add more c-api error functions
bschoenmaeckers May 18, 2026
7bda56a
Return NULL when no cause is set
bschoenmaeckers May 18, 2026
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Return NULL when no cause is set
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@bschoenmaeckers
bschoenmaeckers committed May 19, 2026
commit 7bda56abacb718babb888d902b39377a70d9f6fc
7 changes: 5 additions & 2 deletions crates/capi/src/pyerrors.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -279,8 +279,11 @@ pub unsafe extern "C" fn PyException_GetTraceback(exc: *mut PyObject) -> *mut Py
pub unsafe extern "C" fn PyException_GetCause(exc: *mut PyObject) -> *mut PyObject {
with_vm(|vm| {
let exc = unsafe { &*exc }.try_downcast_ref::<PyBaseException>(vm)?;
let context = exc.__cause__().map(|context| context.into_object());
Ok(vm.unwrap_or_none(context))
let cause = exc
.__cause__()
.map(|cause| cause.into_object().into_raw().as_ptr())
.unwrap_or_default();
Ok(cause)
})
}

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