Skip to content

Fix: Poisoned python exception #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
aljazkonec1 merged 1 commit into from
Aug 14, 2026
Merged

Fix: Poisoned python exception #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 8 additions & 1 deletion ndarray_converter.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,14 @@ template <> struct type_caster<cv::Mat> {
PYBIND11_TYPE_CASTER(cv::Mat, _("numpy.ndarray"));

bool load(handle src, bool /* convert */) {
return NDArrayConverter::toMat(src.ptr(), value);
const bool converted = NDArrayConverter::toMat(src.ptr(), value);
if (!converted) {
// A failed type-caster load asks pybind11 to try the next overload.
// Do not leak the converter's diagnostic exception into a later
// overload that accepts the argument successfully.
PyErr_Clear();
}
return converted;
}

static handle cast(const cv::Mat &m, return_value_policy, handle defval) {
Expand Down